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JP2010069307A - Lockout arrangement for surgical stapler - Google Patents

Lockout arrangement for surgical stapler
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Publication number
JP2010069307A
JP2010069307AJP2009216532AJP2009216532AJP2010069307AJP 2010069307 AJP2010069307 AJP 2010069307AJP 2009216532 AJP2009216532 AJP 2009216532AJP 2009216532 AJP2009216532 AJP 2009216532AJP 2010069307 AJP2010069307 AJP 2010069307A
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actuator
drive slot
surgical stapler
latch
handle portion
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JP5384268B2 (en
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Iii Chester O Baxter
チェスター・オー・バクスター・ザ・サード
James J Bedi
ジェームズ・ジェイ・ベディ
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Ethicon Endo Surgery Inc
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Ethicon Endo Surgery Inc
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Priority claimed from US12/234,113external-prioritypatent/US7832612B2/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an improved surgical stapling instrument for creating one or more rows of staples. <P>SOLUTION: The surgical stapling instrument includes a latch for securing first and second jaw members together, a cutting member which can be advanced and/or retracted relative to first and second jaw members, and, in addition, a lock which can prevent, or at least inhibit, the cutting member from being moved, or at least advanced, relative to the first and second jaw members before the latch has been closed. In at least one embodiment, the latch can be configured to engage the lock as the latch is moved from a fully open position to a fully closed position and operably disengage the lock from the cutting member. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

Translated fromJapanese
開示の内容Disclosure details

背景
〔i.技術分野〕
本発明は、ステープリング器具に関し、様々な実施形態においては、ステープルの1つ以上の列を作り出すための外科用ステープリング器具に関する。
Background [i. Technical field〕
The present invention relates to stapling instruments and, in various embodiments, to surgical stapling instruments for creating one or more rows of staples.

〔ii.関連技術の背景〕
近年、外科医が、肺、食道、胃、十二指腸、および/または腸管における他の臓器など体組織を縫合するためにステープリング器具を使用する傾向が高まってきている。適切なステープリング器具の使用により、多くの場合、より短い時間でより良い仕事をすることができ、また、胃腸管吻合など以前は困難であった外科処置を単純化することができる。以前の、直線状の列が2つおよび4つの切断ステープラは、カートリッジのない器具が含まれ、その中にステープルが個々に手で装填されるものであった。他の以前の装置は、組織を分断しステープル列を形成することを同時に行なうために利用されることができた、前殺菌された使い捨てステープル装填ユニット、および切断部材を含んでいた。このような外科用ステープラの例は、1970年3月10日に発行された名称「INSTRUMENT FOR PLACING LATERAL GASTROINTESTINAL ANASTOMOSES」の米国特許第3,499,591号に開示されている。これにより、この特許の開示内容全体が参照によって本明細書に組み込まれたものとする。
[Ii. Related Technology Background)
In recent years, there has been an increasing tendency for surgeons to use stapling instruments to suture body tissues such as the lungs, esophagus, stomach, duodenum, and / or other organs in the intestinal tract. The use of appropriate stapling instruments can often do a better job in a shorter amount of time and can simplify previously difficult surgical procedures such as gastrointestinal anastomosis. Previously, the two linear rows and four cutting staplers included instruments without cartridges into which the staples were individually loaded manually. Other previous devices included pre-sterilized disposable staple loading units and cutting members that could be used to simultaneously sever tissue and form staple rows. An example of such a surgical stapler is disclosed in US Pat. No. 3,499,591, issued March 10, 1970, under the name “INSTRUMENT FOR PLACING LATERAL GASTROINTESTINAL ANASTOMOSES”. The entire disclosure of this patent is hereby incorporated herein by reference.

ステープリング器具は、一対の協働する細長い顎部材を含むことができ、各顎部材は、吻合されるべき体内管状臓器に挿入されるように構成されうる。様々な実施形態では、顎部材の一方は、少なくとも2つの側方向に離隔されたステープル列を備えたステープルカートリッジを支持することができ、他方の顎部材は、ステープルカートリッジ内のステープル列と整列されたステープル成形ポケットを備えたアンビルを支持することができる。一般的に、ステープリング器具は、プッシュバーおよびナイフブレードをさらに含むことができ、プッシュバーおよびナイフブレードは、プッシュバー上のカム面によりステープルカートリッジからステープルを連続的に排出するために顎部材に対してスライド可能である。少なくとも1つの実施形態では、カートリッジにより保持されて個々のステープルと関連する複数のステープルドライバを作動させて、ステープルをアンビルに対して押し付けて、顎部材の間に把持された組織に変形されたステープルの側方向に離隔された列を形成するように、カム面は構成されうる。しかしながら、典型的なステープリング器具では、アンビルは、いったん顎部材が共に組み立てられると、ステープルカートリッジに対して動くことができず、成形されるステープルの高さは、調節されることができない。少なくとも1つの実施形態では、ナイフブレードは、プッシュバーの後を追い、ステープル列の間のラインに沿って組織を切断することができる。このようなステープリング器具の例は、1984年2月7日に発行された名称「SURGICAL INSTRUMENTS」の米国特許第4,429,695号に開示されている。これにより、この特許の開示内容全体が参照によって本明細書に組み込まれたものとする。  The stapling instrument can include a pair of cooperating elongate jaw members, each jaw member being configured to be inserted into a body tubular organ to be anastomosed. In various embodiments, one of the jaw members can support a staple cartridge with at least two laterally spaced staple rows and the other jaw member is aligned with the staple rows in the staple cartridge. An anvil with a staple forming pocket can be supported. Generally, the stapling instrument can further include a push bar and a knife blade that pushes the jaw members to continuously eject the staples from the staple cartridge by a cam surface on the push bar. On the other hand, it can slide. In at least one embodiment, the staples held by the cartridge and actuating a plurality of staple drivers associated with the individual staples to press the staples against the anvil and deformed into tissue grasped between the jaw members. The cam surface may be configured to form a laterally spaced row. However, in a typical stapling instrument, the anvil cannot move relative to the staple cartridge once the jaw members are assembled together, and the height of the formed staple cannot be adjusted. In at least one embodiment, the knife blade can follow the push bar and cut tissue along the line between the staple rows. An example of such a stapling instrument is disclosed in US Pat. No. 4,429,695 issued February 7, 1984 under the name “SURGICAL INSTRUMENTS”. The entire disclosure of this patent is hereby incorporated herein by reference.

様々な実施形態では、典型的なステープリング器具は、ラッチにより共に固定されうる第1および第2顎部材を含むことができ、ラッチは、開放位置と、部分的閉鎖された位置と、閉鎖された位置との間で動かされうる。しかしながら、ラッチの開放位置および部分的に閉鎖された位置では、典型的なステープリング器具の第1および第2顎部材は、故意的でなく互いから分離され、それゆえに顎部材を再組立するため追加の時間を必要とする場合がある。ある状況では、第1および第2顎部材の分離は、ナイフブレードを露出する場合もある。様々な状況では、前述に加えて、ステープリング器具は、プッシュバーから延びるアクチュエータノブを含むことができ、このアクチュエータノブは、外科医によって把持され、かつ、ステープルカートリッジ内部でプッシュバーおよびナイフブレードを前進させるために遠位に前進させられるように構成されうる。しかしながら、ある状況では、アクチュエータノブは、第1および第2顎部材が組み立てられていなくても、顎部材に対して前進させられうる。いったん組み立てられると、少なくとも1つの状況では、アクチュエータノブが外科用器具から外側に延びることができるとき、アクチュエータノブは、故意的でなく手術部位を取り囲む組織に接触する場合があり、結果として、組織がアクチュエータノブの前進を妨げることもありうる。そのような状況では、外科医は、組織を通り過ぎるようアクチュエータノブを押し進めること、および/または、ステープリング器具を再位置付けることを必要とする場合もあり、そのことは手術を完了するのに必要とされる時間を増加させることがある。必要とされているものは、上述を超える改良である。  In various embodiments, an exemplary stapling instrument can include first and second jaw members that can be secured together by a latch, the latch being closed in an open position and a partially closed position. Can be moved between different positions. However, in the open and partially closed position of the latch, the first and second jaw members of a typical stapling instrument are unintentionally separated from each other, and therefore to reassemble the jaw members May require additional time. In certain situations, separation of the first and second jaw members may expose the knife blade. In various situations, in addition to the foregoing, the stapling instrument can include an actuator knob that extends from the push bar, which is gripped by the surgeon and advances the push bar and knife blade within the staple cartridge. Can be configured to be advanced distally for However, in certain situations, the actuator knob can be advanced relative to the jaw members even though the first and second jaw members are not assembled. Once assembled, in at least one situation, when the actuator knob can extend outward from the surgical instrument, the actuator knob may unintentionally contact the tissue surrounding the surgical site, resulting in tissue May prevent the actuator knob from moving forward. In such situations, the surgeon may need to push the actuator knob past the tissue and / or reposition the stapling instrument, which is required to complete the surgery. May increase the time required. What is needed is an improvement over the above.

〔概要〕
本発明の少なくとも1つの形態では、外科用ステープリング器具は、互いに旋回可能に接続され、かつラッチにより互いに対して適所に固定されることができる、第1および第2顎部材を含むことができる。様々な実施形態では、第1および第2顎部材は、第1および第2顎部材が互いに対して回転させられることができるが、第1および第2顎部材が互いから引き離されることを防ぐか、あるいは少なくとも抑制することができる、第1および第2ロック部材を含むことができる。そのような実施形態は、ラッチが部分的に閉鎖された位置にある状況、ならびに、第1および第2顎部材がそれら間に組織を位置付けるように操作されている状況で、特に有用でありうる。少なくとも1つのそのような実施形態では、第1および第2顎部材が互いから分離させられて切断部材を露出する可能性を防ぐか、あるいは少なくともその可能性を減ずるために、第1および第2顎部材は、共に十分に接続されることができる。本発明の少なくとも1つの形態では、外科用ステープリング器具は、切断部材上および/または切断部材周りに少なくとも部分的に延びることができるハウジングを含むことができる。様々な実施形態では、ハウジングは、第1および第2顎部材が互いから分離された場合に切断部材を少なくとも部分的に覆い、そのうえ、使用の間、切断部材が第1および第2顎部材に対して動かされることを可能にすることができる。
〔Overview〕
In at least one form of the invention, the surgical stapling instrument can include first and second jaw members that are pivotally connected to each other and can be secured in place by a latch. . In various embodiments, the first and second jaw members may allow the first and second jaw members to be rotated relative to each other but prevent the first and second jaw members from being pulled away from each other. Alternatively, it can include first and second locking members that can be at least restrained. Such an embodiment may be particularly useful in situations where the latch is in a partially closed position and where the first and second jaw members are manipulated to position tissue therebetween. . In at least one such embodiment, the first and second jaw members are separated from each other to prevent or at least reduce the possibility of exposing the cutting member. The jaw members can be fully connected together. In at least one form of the invention, a surgical stapling instrument can include a housing that can extend at least partially over and / or around the cutting member. In various embodiments, the housing at least partially covers the cutting member when the first and second jaw members are separated from each other, and further, the cutting member is in contact with the first and second jaw members during use. It can be allowed to be moved against.

様々な実施形態では、外科用ステープリング器具は、第1および第2顎部材に対して前進および/または後退させられうる、切断部材および/またはステープルスレッドをさらに含むことができる。ある実施形態では、ステープルスレッドは、第1および第2顎部材の一方の中のステープルカートリッジからステープルを配備するために、切断部材によって、および/または切断部材と共に、前進させられうる。本発明の少なくとも1つの形態では、外科用ステープリング器具は、ロックを含むことができ、このロックは、ラッチが閉鎖される前、第1および第2顎部材に対して切断部材および/またはステープルスレッドが動かされること、または少なくとも前進させられることを、防ぐか、または少なくとも抑制することができる。少なくとも1つの実施形態では、ラッチは、ラッチが完全な開放位置から完全に閉鎖された位置に動かされるとロックに係合するように、また、切断部材および/またはステープルスレッドからロックを作用可能に係合解除するように、構成されうる。少なくとも1つの実施形態では、第1および第2顎部材の一方は、ステープルがステープルカートリッジから配備されるとステープルを変形させるように構成されうる少なくとも1つの成形面を有するアンビルを含むことができる。本発明の少なくとも1つの形態では、アンビルは、ステープルが変形させられる量を調節するために、ステープルカートリッジに対して可動式に調節可能でありうる。様々な実施形態では、アンビルは、スライド可能な調節用プレートおよび/または回転可能カムによって調節されうる。  In various embodiments, the surgical stapling instrument can further include a cutting member and / or a staple thread that can be advanced and / or retracted relative to the first and second jaw members. In certain embodiments, staple threads can be advanced by and / or with a cutting member to deploy staples from a staple cartridge in one of the first and second jaw members. In at least one form of the invention, the surgical stapling instrument can include a lock that is a cutting member and / or staple relative to the first and second jaw members before the latch is closed. The sled can be prevented or at least inhibited from being moved or at least advanced. In at least one embodiment, the latch engages the lock when the latch is moved from the fully open position to the fully closed position, and allows the lock to act from the cutting member and / or staple sled. It can be configured to disengage. In at least one embodiment, one of the first and second jaw members can include an anvil having at least one molding surface that can be configured to deform the staple when the staple is deployed from the staple cartridge. In at least one form of the invention, the anvil can be movably adjustable relative to the staple cartridge to adjust the amount by which the staple is deformed. In various embodiments, the anvil can be adjusted by a slidable adjustment plate and / or a rotatable cam.

添付の図面と共に本発明の実施形態の以下の説明を参照することにより、本発明の前述されたおよび他の特徴および利点、ならびにそれらを達成する方法が、より明らかになるであろうし、本発明自体がより深く理解されるであろう。  The foregoing and other features and advantages of the present invention, as well as the manner of achieving them, will become more apparent from the following description of embodiments of the present invention, taken in conjunction with the accompanying drawings, in which: It will be understood more deeply.

対応する参照符号は、いくつかの図面にわたって対応する部分を示している。本明細書に述べられる例証は、一形態において本発明の好ましい実施形態を図示し、そのような例証は、本発明の範囲をいかようにも限定するものとして解釈されるものではない。  Corresponding reference characters indicate corresponding parts throughout the several views. The illustrations set forth herein illustrate, in one form, preferred embodiments of the invention and are not to be construed as limiting the scope of the invention in any way.

〔詳細な説明〕
ここで、ある例示的実施形態が、本明細書に開示される装置および方法の構造、機能、製造および使用の原理の全般的な理解を提供するために記載される。これら実施形態の1つ以上の例は、添付の図面において図示されている。当業者であれば、特に本明細書に特に記載され添付の図面に図示されている装置および方法は、非限定的な例示的実施形態であり、本発明の様々な実施形態の範囲は、特許請求の範囲によってのみ定められることを理解するであろう。一例示的実施形態に関連して図示され、あるいは説明された特徴は、他の実施形態の特徴と組み合わされてもよい。そのような修正および変形は、本発明の範囲内に含まれると意図される。
[Detailed explanation]
Certain exemplary embodiments will now be described to provide a general understanding of the principles of structure, function, manufacture and use of the devices and methods disclosed herein. One or more examples of these embodiments are illustrated in the accompanying drawings. For those skilled in the art, the devices and methods specifically described herein and illustrated in the accompanying drawings are non-limiting exemplary embodiments, and the scope of the various embodiments of the present invention is subject to patents. It will be understood that this is only defined by the claims. The features illustrated or described in connection with one exemplary embodiment may be combined with the features of other embodiments. Such modifications and variations are intended to be included within the scope of the present invention.

共同所有される3つの米国非仮特許出願が、本願と同時に出願された。出願時、これら3つの出願は:
SURGICAL STAPLING INSTRUMENT WITH CUTTING MEMBER ARRANGEMENT、代理人整理番号END6414USNP/080203、発明者:Chester BaxterおよびJames Bedi;
SURGICAL STAPLER HAVING AN INTERMEDIATE CLOSING POSITION、代理人整理番号END6411USNP/080200、発明者:Chester BaxterおよびJames Bedi;ならびに、
SURGICAL STAPLER WITH APPARATUS FOR ADJUSTING STAPLE HEIGHT、代理人整理番号END6406USNP/080195、発明者:Chester BaxterおよびJames Bedi、として識別可能であった。これにより、これら特許出願の開示内容全体が参照によって本明細書に組み込まれたものとする。
Three co-owned US non-provisional patent applications were filed concurrently with this application. At the time of filing, these three applications are:
SURGICAL STAPLING INSTRUMENT WITH CUTTING MEMBER ARRANGEMENT, agent reference number END6414USNP / 080203, inventors: Chester Baxter and James Bedi;
SURGICAL STAPLER HAVING AN INTERMEDIATE CLOSING POSITION, agent reference number END6411USNP / 080200, inventors: Chester Baxter and James Bedi;
It was identifiable as SURGICAL STAPLER WITH APPARATUS FOR ADJUSTING STAPLE HEIGHT, agent reference number END6406USNP / 080195, inventors: Chester Baxter and James Bedi. The entire disclosure of these patent applications is hereby incorporated herein by reference.

図1を参照すると、全体が100として示される、外科用ステープリング器具は、第1ハンドル部分102と、第2ハンドル部分104と、を含むことができる。様々な実施形態では、第1ハンドル部分102および第2ハンドル部分104は、外科医によって把持されるように構成され得、例えば、ハンドルグリップ部分106を含み得る。少なくとも1つの実施形態では、図2および図3を参照すると、第1ハンドル部分102は、第1フレーム110に取り付けられた第1カバー108を含むことができ、同様に、第2ハンドル部分104は、第2フレーム114に取り付けられた第2カバー112を含むことができる。カバー108および112は、外科医が手術部位の内部でステープル器具100を操作するのを助けるように、人間工学的に輪郭付けられ、あるいは別様に適切に輪郭付けられ得る。様々な実施形態では、ハンドルカバー108および112は、例えば、それぞれ拡大された突出部109および113を含むことができ、拡大された突出部109および113は、ステープリング器具100の手術部位への挿入を容易にすることができる。様々な実施形態では、ハンドルカバー108および112は、例えば、プラスチック、軽量材料、および/または任意の他の適切な材料から作られ得る一方で、ハンドルフレーム110および114は、例えば、ステンレス鋼、チタン、および/または任意の他の適切な材料から作られ得る。  With reference to FIG. 1, a surgical stapling instrument, generally indicated as 100, can include afirst handle portion 102 and asecond handle portion 104. In various embodiments, thefirst handle portion 102 and thesecond handle portion 104 can be configured to be gripped by a surgeon and can include, for example, ahandle grip portion 106. In at least one embodiment, referring to FIGS. 2 and 3, thefirst handle portion 102 can include afirst cover 108 attached to thefirst frame 110, and similarly, thesecond handle portion 104 can be Asecond cover 112 attached to thesecond frame 114 may be included.Covers 108 and 112 may be ergonomically contoured or otherwise appropriately contoured to assist the surgeon in manipulatingstapling instrument 100 within the surgical site. In various embodiments, the handle covers 108 and 112 can include, for example,enlarged protrusions 109 and 113, respectively, which are inserted into the surgical site of thestapling instrument 100. Can be made easy. In various embodiments, the handle covers 108 and 112 can be made of, for example, plastic, lightweight materials, and / or any other suitable material, while the handle frames 110 and 114 can be made of, for example, stainless steel, titanium And / or made of any other suitable material.

様々な実施形態では、図1〜図3を再び参照すると、ハンドル部分102および104の遠位端は、例えば、手術部位の内部で組織を治療するように構成され得るエンドエフェクタ120を含むことができる。少なくとも1つのそのような実施形態では、エンドエフェクタ120は、以下でさらなる詳細が説明されるように、ステープルカートリッジを受容および/または確保するように構成されたステープルカートリッジチャネル122を含むことができる。ある実施形態では、ステープルカートリッジチャネル122は、第1ハンドル部分フレーム110から延びる一部品である細長いチャネル形状フレームを含むことができる。少なくとも1つ実施形態では、ステープルカートリッジチャネル122は、底壁126によって接続された、一対の対向する細長い側壁124を含むことができる。ステープルカートリッジチャネル122の後方すなわち近位の部分に沿って、一対の離隔された直立側方フランジ128が、対向する側壁124から上方に延びることができる。様々な実施形態では、側方フランジ128の間のステープルカートリッジチャネル122の幅は、第2ハンドル部分104から延びる上顎部材すなわちアンビル130の幅よりも広くすることができる。少なくとも1つの実施形態では、フランジ128の間の距離は、ステープリング器具が手術のために組み立てられるとき、アンビル130の少なくとも一部分が側方フランジ128の間に受容されることが可能となるように構成され得る。図2に示すように、各側方フランジ128は、例えば、ノッチすなわち凹部127を含むことができ、このノッチすなわち凹部127は、以下でさらなる詳細が説明されるように、例えば、アンビル130から延びる1つ以上のラッチ突出部131を、および/または、第2ハンドル部分104の任意の他の適切な部分を受容するように構成され得る。  In various embodiments, referring again to FIGS. 1-3, the distal ends of thehandle portions 102 and 104 include anend effector 120 that can be configured to treat tissue, for example, within a surgical site. it can. In at least one such embodiment,end effector 120 can include astaple cartridge channel 122 configured to receive and / or secure a staple cartridge, as described in further detail below. In certain embodiments, thestaple cartridge channel 122 can include an elongate channel-shaped frame that is a single piece extending from the firsthandle portion frame 110. In at least one embodiment, thestaple cartridge channel 122 can include a pair of opposedelongated side walls 124 connected by abottom wall 126. A pair of spacedupstanding side flanges 128 can extend upwardly from opposingside walls 124 along the posterior or proximal portion ofstaple cartridge channel 122. In various embodiments, the width of thestaple cartridge channel 122 between theside flanges 128 can be wider than the width of the upper jaw member oranvil 130 extending from thesecond handle portion 104. In at least one embodiment, the distance between theflanges 128 is such that at least a portion of theanvil 130 can be received between theside flanges 128 when the stapling instrument is assembled for surgery. Can be configured. As shown in FIG. 2, eachside flange 128 can include, for example, a notch orrecess 127, which extends from, for example,anvil 130, as will be described in further detail below. One ormore latch protrusions 131 and / or can be configured to receive any other suitable portion of thesecond handle portion 104.

上記で示されたように、図1〜図3を再度参照すると、ステープルカートリッジチャネル122は、例えばステープルカートリッジ150などのステープルカートリッジを、エンドエフェクタ120内部で支持および/または確保するように構成され得、ステープルカートリッジは、その中に取り外し可能に収容された(不図示の)1つ以上のステープルを含むことができる。様々な実施形態では、図8〜図10を参照すると、ステープルカートリッジ150は、例えば側方に離隔された少なくとも2つの長さ方向列など任意の適切な配列で、ステープルを収容するように構成され得る1つ以上のステープルキャビティ151を含むことができる。少なくとも1つの実施形態では、図9および図10を参照すると、ステープルカートリッジ150は、ステープルカートリッジ本体152および皿部154を含むことができ、ステープルカートリッジ本体152および/または皿部154は、ステープルスレッドおよび/または切断部材をスライド可能に受容するための、チャネルまたは通路を画定するように構成され得る。少なくとも1つの実施形態では、皿部154は、例えば、可撓性アーム155を含むことができ、この可撓性アーム155は、ステープルカートリッジ本体152にスナップ嵌め式および/またはプレス嵌め式に係合するように構成され得る。図10〜図12を参照すると、ステープルカートリッジ150は、ステープルスレッド部分162、加えて切断部材164を含むことができる、ステープルスレッド組立体160をさらに含むことができる。様々な実施形態では、切断部材164は、例えば、切断エッジ165およびロックアーム166を含むことができ、ロックアーム166は、切断部材164がステープルスレッド部分162に組み合わせられるとき、ステープルスレッド162内の開口部163の中に、プレス嵌めおよび/またはスナップ嵌めされるように構成され得る。他の様々な実施形態では、ステープルスレッド部分162は、切断部材164に一体的に成型され得る。  As indicated above, referring again to FIGS. 1-3,staple cartridge channel 122 may be configured to support and / or secure a staple cartridge, such asstaple cartridge 150, withinend effector 120, for example. The staple cartridge can include one or more staples (not shown) removably housed therein. In various embodiments, referring to FIGS. 8-10, thestaple cartridge 150 is configured to receive staples in any suitable arrangement, such as, for example, at least two longitudinal rows spaced laterally. One or more resultingstaple cavities 151 may be included. In at least one embodiment, referring to FIGS. 9 and 10, thestaple cartridge 150 can include astaple cartridge body 152 and apan 154, wherein thestaple cartridge body 152 and / or thepan 154 includes staple threads and It may be configured to define a channel or passage for slidably receiving the cutting member. In at least one embodiment, thepan 154 can include, for example, aflexible arm 155 that engages thestaple cartridge body 152 in a snap-fit and / or press-fit manner. Can be configured to. With reference to FIGS. 10-12, thestaple cartridge 150 can further include astaple thread assembly 160 that can include astaple thread portion 162 as well as a cuttingmember 164. In various embodiments, the cuttingmember 164 can include, for example, acutting edge 165 and alock arm 166 that opens into thestaple thread 162 when the cuttingmember 164 is combined with thestaple thread portion 162. It can be configured to be press fit and / or snap fit into theportion 163. In various other embodiments, thestaple thread portion 162 can be integrally formed with the cuttingmember 164.

前述に加えて、図8〜図10を参照すると、ステープルカートリッジ本体152は、例えばスロット156などのスロットを含むことができ、スロットは、その内部に切断部材164の少なくとも一部分を、ならびに/または、ステープルスレッド組立体160および(以下で論じられる)プッシュバー組立体200の任意の他の部分を受容するように構成され得、スロット156は、切断部材164がステープルカートリッジ150内部で第1および第2位置の間を動かされることを可能にするように構成されうる。様々な実施形態では、スロット156は、例えば、ステープルカートリッジ150とアンビル130との中間に位置付けられた組織を切開するために、切断部材164が近位位置(図10)と遠位位置との間で動かされることを可能にするように構成されうる。図10〜図12を再度参照すると、ステープルスレッド部分162は、ステープルカートリッジ150内部に位置付けられたステープルドライバに係合するように構成され得る、カム面、斜面またはアクチュエータ面167を含むことができる。様々な実施形態では、図9を参照すると、ステープルカートリッジ150は、スレッド部分162によってステープルキャビティ151内部で上方に持ち上げられ得る、すなわちスライドさせられ得る、ステープルドライバ168を含むことができ、それゆえ、ステープルドライバ168の上方移動が、ステープルキャビティ151内部に少なくとも部分的に位置付けられたステープルを排出または配備できるようになっている。ステープルドライバ168は実際に垂直方向上方に持ち上げられることができるが、上方等の用語は、例えばステープルドライバ168が、例えば、ステープルカートリッジの上面すなわちデッキ158に向かって、および/または、アンビル130に向かって、動かされることを意味することができる。ある実施形態では、図9に図示されているように、各ステープルドライバ168は、カム面167と同じ角度に、および/または任意の他の適切な角度に、方向付けられた1つ以上の傾斜面169を含むことができ、この傾斜面169は、ステープルスレッド162とステープルドライバ168との間に、比較的平坦な、または少なくとも実質的に平坦な、スライド用接触面を提供することができる。様々な実施形態では、ステープルドライバは、1つのみのステープルを配備するように構成されうるが、ある実施形態では、ステープルドライバは、例えば、隣接する列に位置する2つ以上のステープルを同時に配備するように構成され得る。他の装置が、2008年2月13日に出願された、名称「SURGICAL STAPLING INSTRUMENT WITH IMPROVED FIRING TRIGGER ARRANGEMENT」である、米国特許出願第12/030,424号に開示されている。これにより、この特許出願の開示内容全体が参照によって本明細書に組み込まれたものとする。  In addition to the foregoing, referring to FIGS. 8-10, thestaple cartridge body 152 can include a slot, such as aslot 156, for example, in which the slot includes at least a portion of the cuttingmember 164, and / or Thestaple sled assembly 160 and any other portion of the push bar assembly 200 (discussed below) may be configured to receive theslot 156 so that the cuttingmember 164 is first and second within thestaple cartridge 150. It can be configured to allow it to be moved between positions. In various embodiments, theslot 156 can be positioned between the proximal position (FIG. 10) and the distal position, for example, to cut through tissue positioned intermediate thestaple cartridge 150 and theanvil 130. Can be configured to allow it to be moved. Referring again to FIGS. 10-12, thestaple sled portion 162 can include a cam surface, bevel oractuator surface 167 that can be configured to engage a staple driver positioned within thestaple cartridge 150. In various embodiments, referring to FIG. 9, thestaple cartridge 150 can include astaple driver 168 that can be lifted or slid within thestaple cavity 151 by thesled portion 162, and therefore. Upward movement of thestaple driver 168 is capable of ejecting or deploying staples that are at least partially positioned within thestaple cavity 151. Although thestaple driver 168 can actually be lifted vertically upward, terms such as upward refer to, for example, thestaple driver 168, for example, toward the upper surface ordeck 158 of the staple cartridge and / or toward theanvil 130. Can mean to be moved. In some embodiments, as illustrated in FIG. 9, eachstaple driver 168 may have one or more slopes oriented at the same angle as thecam surface 167 and / or at any other suitable angle. Theinclined surface 169 can provide a relatively flat or at least substantially flat sliding contact surface between thestaple sled 162 and thestaple driver 168. In various embodiments, a staple driver can be configured to deploy only one staple, but in certain embodiments, a staple driver can simultaneously deploy, for example, two or more staples located in adjacent rows. Can be configured to. Another device is disclosed in US patent application Ser. No. 12 / 030,424, filed Feb. 13, 2008, under the name “SURGICAL STAPLING INSTRUMENT WITH IMPROVED FIRING TRIGGER ARRANGEMENT”. The entire disclosure of this patent application is hereby incorporated herein by reference.

様々な実施形態では、前述されたように、外科用ステープリング器具は、組織を切開し、ステープルカートリッジからステープルを配備するように構成された切断部材/ステープルスレッド組立体を含むことができる。しかし、ある実施形態では、外科用ステープリング器具は、切断部材を必要としない、すなわち含まない場合もある。少なくとも1つのそのような実施形態では、ステープルカートリッジは、その中に位置付けられたステープルスレッドを含むことができ、および/または、外科用器具は、例えば、組織を別様に切断することなく組織をステープリングするために、ステープルスレッドをステープルカートリッジの中へ動かすように構成され得る。ある他の実施形態では、ステープルカートリッジは、その内部に位置付けられたステープルスレッドを含むことができ、外科用器具は、ステープルカートリッジ内へ可動な、またはステープルカートリッジに対して可動な、切断部材を含むことができる。少なくとも1つのそのような実施形態では、切断部材は、ステープルスレッドと接触するように前進されられて、切断部材およびステープルスレッドが共に前進させられ得るようになっている。その後、切断部材は、ステープルカートリッジが外科用器具から分離されて、新しいステープルスレッドを有する新しいステープルカートリッジで置換されることができるように、十分に後退させられ得る。そのような実施形態は、ステープルスレッドが、使用の間に、摩滅または変形した場合に有用となりうる。ステープルカートリッジがその内部に位置付けられた切断部材を含むことができ、外科用器具がステープルカートリッジの中に可動な、またはステープルカートリッジに対して可動なステープルスレッドを含むことができる、他の実施形態が想到される。少なくとも1つのそのような実施形態では、前述と同様に、ステープルスレッドは、前進させられて切断部材と接触することができ、それにより切断部材およびステープルスレッドが共に前進させられうるようになっている。その後、ステープルスレッドは、ステープルカートリッジが外科用器具から分離させられて新しい切断部材を有する新しいステープルカートリッジで置換されることが可能なように、十分に後退させられ得る。そのような実施形態は、切断部材が、使用の間に、摩滅または変形した場合に有用となりうる。様々な実施形態では、以下でさらなる詳細が説明されるように、ステープルカートリッジは、例えば、外科医または他の臨床医が、ステープルカートリッジを取り扱う間、ステープルカートリッジ内部に位置付けられた切断部材に触れる可能性を妨げる、または少なくともその可能性を減ずるように構成された、保護ハウジングまたはカバーを含むことができる。  In various embodiments, as previously described, a surgical stapling instrument can include a cutting member / staple sled assembly configured to incise tissue and deploy staples from a staple cartridge. However, in certain embodiments, the surgical stapling instrument may not require or include a cutting member. In at least one such embodiment, the staple cartridge can include a staple thread positioned therein and / or the surgical instrument can remove tissue without, for example, cutting tissue differently. It may be configured to move the staple sled into the staple cartridge for stapling. In certain other embodiments, the staple cartridge can include a staple sled positioned therein, and the surgical instrument includes a cutting member that is movable into or movable relative to the staple cartridge. be able to. In at least one such embodiment, the cutting member is advanced into contact with the staple sled so that the cutting member and staple sled can be advanced together. The cutting member can then be fully retracted so that the staple cartridge can be separated from the surgical instrument and replaced with a new staple cartridge having a new staple thread. Such an embodiment may be useful if the staple thread is worn or deformed during use. Other embodiments in which the staple cartridge can include a cutting member positioned therein and the surgical instrument can include a staple sled that is movable within or relative to the staple cartridge. It is conceived. In at least one such embodiment, as before, the staple sled can be advanced into contact with the cutting member such that the cutting member and staple sled can be advanced together. . The staple sled can then be fully retracted so that the staple cartridge can be separated from the surgical instrument and replaced with a new staple cartridge having a new cutting member. Such an embodiment may be useful if the cutting member is worn or deformed during use. In various embodiments, as will be described in further detail below, the staple cartridge may contact a cutting member positioned within the staple cartridge, for example, while a surgeon or other clinician handles the staple cartridge. Can include a protective housing or cover configured to prevent or at least reduce the likelihood of this.

様々な実施形態では、前述に加えて、例えばステープルカートリッジチャネル122および/またはステープルカートリッジ150は、ステープルカートリッジチャネル122内部にステープルカートリッジ150を取り外し可能に確保するように構成され得る、例えば1つ以上の協働する突出部および/または凹部を含むことができる。いったんステープルカートリッジ150がステープルカートリッジチャネル122に挿入されたら、様々な実施形態では、第1ハンドル部分102は、第2ハンドル部分104に組み合わせられ得る。他の様々な実施形態では、ステープルカートリッジは、第1および第2ハンドル部分が共に組み合わされた後、ステープルカートリッジチャネルに挿入されてよい。いずれに場合でも、図1〜図7を参照すると、第1ハンドル部分102および第2ハンドル部分104は、それぞれ近位端103および105を含むことができ、近位端103および105は、第1および第2ハンドル部分が互いに回転可能または旋回可能に連結されうるように、共に組み合わせられ得る。様々な実施形態では、図2および図3を参照すると、第1ハンドル部分102は、そこから延びる1つ以上のピンまたは突出部111を含むことができ、このピンまたは突出部111は、第2ハンドル部分104内の1つ以上の溝、チャネル、またはスロット115の内部にスライド可能に受容されるように構成されうる。ある実施形態では、例えば、スロット115は、第2ハンドルフレーム114内に画定され得、突出部111は、第1ハンドルフレーム110から延びる近位端支柱107から延びることができる。第1ハンドル部分102および第2ハンドル部分104を組み合わせるために、図4を参照すると、スロット115の開口端が突出部111と整列させられ得、それにより例えば第2ハンドル部分104は第1ハンドル部分102に対して並進運動することができ、突出部111は、スロット115内部でスライドさせられ得るようになっている。少なくとも1つの実施形態では、図2および図3に図示されているように、スロット115の開口端は、スロットの閉鎖端に対して近位に位置され得る。少なくとも1つのそのような実施形態では、第2ハンドル部分104の近位端105は、第1ハンドル部分102の近位端103に対して遠位に位置付けられ得、それにより第2ハンドル部分104は、スロット115内部に突出部111を位置付けるために近位に動かされ得るようになっている。様々な他の状況では、第1ハンドル部分102は、第2ハンドル部分104に対して近位に位置付けられ得、スロット115内部に突出部111を位置付けるために遠位にスライドさせられ得る。  In various embodiments, in addition to the foregoing, for example, thestaple cartridge channel 122 and / or thestaple cartridge 150 can be configured to removably secure thestaple cartridge 150 within thestaple cartridge channel 122, for example, one or more Cooperating protrusions and / or recesses can be included. Once thestaple cartridge 150 is inserted into thestaple cartridge channel 122, in various embodiments, thefirst handle portion 102 can be combined with thesecond handle portion 104. In various other embodiments, the staple cartridge may be inserted into the staple cartridge channel after the first and second handle portions are combined together. In any case, referring to FIGS. 1-7, thefirst handle portion 102 and thesecond handle portion 104 can include proximal ends 103 and 105, respectively, and the proximal ends 103 and 105 are first And the second handle portion can be combined together so that they can be rotatably or pivotally connected to each other. In various embodiments, referring to FIGS. 2 and 3, thefirst handle portion 102 can include one or more pins orprotrusions 111 extending therefrom, the pins orprotrusions 111 being second It may be configured to be slidably received within one or more grooves, channels, orslots 115 in thehandle portion 104. In certain embodiments, for example, theslot 115 can be defined in thesecond handle frame 114 and theprotrusion 111 can extend from theproximal end strut 107 extending from thefirst handle frame 110. To combine thefirst handle portion 102 and thesecond handle portion 104, referring to FIG. 4, the open end of theslot 115 can be aligned with theprotrusion 111, so that, for example, thesecond handle portion 104 is aligned with the first handle portion. Theprotrusion 111 can be slid inside theslot 115 so that theprotrusion 111 can translate. In at least one embodiment, as illustrated in FIGS. 2 and 3, the open end of theslot 115 may be located proximal to the closed end of the slot. In at least one such embodiment, theproximal end 105 of thesecond handle portion 104 may be positioned distal to theproximal end 103 of thefirst handle portion 102 so that thesecond handle portion 104 is , Adapted to be moved proximally to position theprotrusion 111 within theslot 115. In various other situations, thefirst handle portion 102 can be positioned proximally relative to thesecond handle portion 104 and can be slid distally to position theprotrusion 111 within theslot 115.

様々な実施形態では、図5を参照すると、第2ハンドル部分104は、第1ハンドル部分102に向かって回転させられ得、それによりアンビル130が、ステープルカートリッジ150および/またはステープルカートリッジチャネル122に対して適所に動かされ得るようになっている。ある実施形態では、第1ハンドル部分102は、第2ハンドル部分104に向かって回転させられ得、および/または、第1および第2ハンドル部分は、互いに向かって回転させられ得る。いずれの場合でも、突出部111およびスロット115は、互いに係合されると、旋回軸を含むことができ、この旋回軸周りに、第1および第2ハンドル部分の一方または両方が、互いに対して動かされ得る。様々な実施形態では、第2ハンドル部分104は、アンビル130がステープルカートリッジ150に接近した対向位置に動かされるように、第1ハンドル部分102に対して動かされ得る。ある実施形態では、図6を参照すると、第2ハンドル部分104は、第2ハンドル部分104から延びるラッチ突出部131が、第1ハンドル部分102内部の凹部127と整列させられ得る、および/または、凹部127に挿入され得るように、第1ハンドル部分102に対して動かされ得る。様々な実施形態では、主に図2および図3を参照すると、第1ハンドル部分102は、その第1ハンドル部分102に回転可能に据え付けられたラッチ機構180をさらに含むことができ、このラッチ機構180は、第2ハンドル部分104から延びるラッチ突出部131に係合して第1および第2ハンドル部分を共に確保するために利用され得る。図示はされていないが、ラッチ機構が第2ハンドル部分に回転可能に据え付けられ、ラッチ突出部が第1ハンドル部分から延びることができる、他の実施形態が想到される。いずれの場合でも、少なくとも1つの実施形態では、ラッチ機構180は、軸であって、ラッチ機構180がその軸周りに回転させられ得る、軸を定めるように構成され得る1つ以上の旋回軸ピン182によって第1フレーム110に据え付けられ得る。  In various embodiments, referring to FIG. 5, thesecond handle portion 104 can be rotated toward thefirst handle portion 102 so that theanvil 130 is relative to thestaple cartridge 150 and / or thestaple cartridge channel 122. Can be moved to the right place. In certain embodiments, thefirst handle portion 102 can be rotated toward thesecond handle portion 104 and / or the first and second handle portions can be rotated toward each other. In any case, theprotrusion 111 and theslot 115, when engaged with each other, can include a pivot axis about which one or both of the first and second handle portions are relative to each other. Can be moved. In various embodiments, thesecond handle portion 104 can be moved relative to thefirst handle portion 102 such that theanvil 130 is moved to an opposed position close to thestaple cartridge 150. In certain embodiments, referring to FIG. 6, thesecond handle portion 104 can have alatch protrusion 131 extending from thesecond handle portion 104 aligned with arecess 127 within thefirst handle portion 102, and / or It can be moved relative to thefirst handle portion 102 so that it can be inserted into therecess 127. In various embodiments, primarily referring to FIGS. 2 and 3, thefirst handle portion 102 can further include alatch mechanism 180 rotatably mounted on thefirst handle portion 102, thelatch mechanism 180 may be utilized to engage alatch protrusion 131 extending from thesecond handle portion 104 to secure both the first and second handle portions. Although not shown, other embodiments are contemplated in which the latch mechanism is rotatably mounted on the second handle portion and the latch protrusion can extend from the first handle portion. In any case, in at least one embodiment, thelatch mechanism 180 is an axis, and the one or more pivot pins that can be configured to define an axis around which thelatch mechanism 180 can be rotated. 182 may be installed on thefirst frame 110.

ある実施形態では、ここで図4および図5を参照すると、ラッチ機構180は、ラッチフレーム184、それに加えてラッチフレーム184に組み合わせられるラッチカバー186を含むことができる。他の様々な実施形態では、ラッチカバーおよびラッチフレームは、一体ユニットを含むことができ、あるいは、ある実施形態では、ラッチ機構は、カバーを含まないことさえある。ある実施形態では、ラッチフレーム184は、チャネル形状であり得、第1フレーム部分110にまたがる(span)のに十分な距離だけ離隔されている一対の対向する細長い側壁185を含むことができる。少なくとも1つの実施形態では、ラッチカバー186は、例えばプラスチック、軽量材料、および/または任意の他の適切な材料から作られ得るが、一方、ラッチフレーム184は、例えばステンレス鋼および/または任意の他の適切な材料から作られ得る。ある実施形態では、ラッチ機構180は、図7に図示されているように、閉鎖されると、ラッチカバー186は、第1ハンドルカバー108と整列させられ得る。ラッチカバー186は、外科医が外科用器具100を操作するのを助けるよう構成され得る輪郭付けられた部分187を含むことができ、少なくとも1つの実施形態では、輪郭付けられた部分187は、第1ハンドルカバー108から延びる突出部109と整列させられ得るか、または突出部109と少なくとも実質的に整列させられ得る。ラッチ機構180は、そのラッチ機構から延びる1つ以上のラッチアーム188をさらに含むことができ、このラッチアーム188は、図7に図示されているように、第2ハンドル部分104から延びる1つ以上のラッチ突出部131に係合するよう、また、凹部127内部に突出部131を引くおよび/または確保するよう、構成され得る。少なくとも1つの実施形態では、ラッチアーム188の少なくとも1つは、ラッチフレーム184と一体的に形成され得る。ある実施形態では、図6を参照すると、ラッチアーム188の少なくとも1つは、突出部131を包囲すなわち取り囲む、あるいは突出部131を少なくとも部分的に包囲すなわち取り囲むように、突出部131の少なくとも一部分の周りに巻き付くように構成され得る遠位フック189を含むことができる。少なくとも1つの実施形態では、ラッチアーム188は、ラッチ機構180をラッチ掛けされた(latched)すなわち閉鎖された位置に維持するためにオーバーセンターラッチ(over-center latch)として作用することができる。  In certain embodiments, referring now to FIGS. 4 and 5, thelatch mechanism 180 can include alatch frame 184 and, in addition, alatch cover 186 associated with thelatch frame 184. In various other embodiments, the latch cover and latch frame can include an integral unit, or in certain embodiments, the latch mechanism can even not include a cover. In some embodiments, thelatch frame 184 can be channel-shaped and can include a pair of opposedelongated side walls 185 that are separated by a distance sufficient to span thefirst frame portion 110. In at least one embodiment, thelatch cover 186 can be made of, for example, plastic, lightweight material, and / or any other suitable material, while thelatch frame 184 is, for example, stainless steel and / or any other Can be made from any suitable material. In certain embodiments, thelatch cover 186 can be aligned with thefirst handle cover 108 when thelatch mechanism 180 is closed, as illustrated in FIG. Thelatch cover 186 can include a contouredportion 187 that can be configured to assist the surgeon in operating thesurgical instrument 100, and in at least one embodiment, the contouredportion 187 includes the first Theprotrusion 109 extending from thehandle cover 108 can be aligned or at least substantially aligned with theprotrusion 109. Thelatch mechanism 180 can further include one ormore latch arms 188 extending from the latch mechanism, thelatch arms 188 extending from thesecond handle portion 104 as illustrated in FIG. Can be configured to engage thelatch protrusion 131 and to pull and / or secure theprotrusion 131 within therecess 127. In at least one embodiment, at least one of thelatch arms 188 can be integrally formed with thelatch frame 184. In certain embodiments, referring to FIG. 6, at least one of thelatch arms 188 surrounds or surrounds theprotrusion 131, or at least partially surrounds or surrounds theprotrusion 131. Adistal hook 189 can be included that can be configured to wrap around. In at least one embodiment, thelatch arm 188 can act as an over-center latch to maintain thelatch mechanism 180 in a latched or closed position.

使用の際、様々な状況では、第1ハンドル部分102および第2ハンドル部分104の一方は、手術部位内部の組織の第1側に位置付けられ得、他方のハンドル部分は、組織の反対側の適所へ回転させられ得る。そのような実施形態では、ステープルカートリッジ150は、組織の片側に位置付けられ得、アンビル130は、組織の反対側に位置付けられ得る。その後、上記でも概説されたように、第2ハンドル部分104を第1ハンドル部分102にラッチ掛けし、ステープルカートリッジ150とアンビル130との間に位置付けられた組織にクランプ力をかけるために、ラッチ機構180が開放位置と閉鎖された位置との間で動かされ得るように、ラッチ機構180は作動させられ得る。ある状況では、ラッチ機構180は、開放位置(図5)と、部分的に閉鎖された、すなわち中間位置(図6)と、閉鎖された位置(図7)との間で動かされ得る。少なくとも1つのそのような実施形態では、図5および図6を参照すると、ラッチ機構180は、ラッチアーム188が突出部131と係合させられていない開放位置と、ラッチアーム188が突出部131と係合させられた部分的に閉鎖された位置との間で動かされ得る。この部分的に閉鎖された位置では、例えば、アンビル130がステープルカートリッジ150に対して少なくとも部分的に対向させられてはいるが、エンドエフェクタ120が組織に対して再位置付けさせられることを可能にすることができる、十分なギャップが、アンビル130とステープルカートリッジ150との間に残ることができる。いったんアンビル130およびステープルカートリッジ150が組織に対して十分に位置付けられたら、ラッチ機構180は、部分的に閉鎖された位置と、図7に図示されているような閉鎖された位置との間で動かされ得る。  In use, in various situations, one of thefirst handle portion 102 and thesecond handle portion 104 can be positioned on the first side of the tissue within the surgical site and the other handle portion is in place on the opposite side of the tissue. Can be rotated to. In such embodiments, thestaple cartridge 150 can be positioned on one side of the tissue and theanvil 130 can be positioned on the opposite side of the tissue. Thereafter, as outlined above, thesecond handle portion 104 is latched onto thefirst handle portion 102 to apply a clamping force to the tissue positioned between thestaple cartridge 150 and theanvil 130. Thelatch mechanism 180 can be actuated so that 180 can be moved between an open position and a closed position. In certain situations, thelatch mechanism 180 can be moved between an open position (FIG. 5), a partially closed or intermediate position (FIG. 6), and a closed position (FIG. 7). In at least one such embodiment, referring to FIGS. 5 and 6, thelatch mechanism 180 includes an open position where thelatch arm 188 is not engaged with theprotrusion 131, and thelatch arm 188 is It can be moved between engaged and partially closed positions. In this partially closed position, for example, theanvil 130 is at least partially opposed to thestaple cartridge 150, but allows theend effector 120 to be repositioned with respect to the tissue. A sufficient gap can remain between theanvil 130 and thestaple cartridge 150. Once theanvil 130 andstaple cartridge 150 are fully positioned relative to the tissue, thelatch mechanism 180 moves between a partially closed position and a closed position as illustrated in FIG. Can be done.

様々な実施形態では、前述に加えて、外科用ステープリング器具は、ステープリング器具の第1ハンドル部分を第2ハンドル部分から離れるように付勢するように構成され得る付勢部材をさらに含むことができる。少なくとも1つの実施形態では、以下でさらなる詳細が説明されるように、バネおよび/または任意の適切な弾力材料が、ステープリング器具のアンビルおよびステープルカートリッジが互いから離れるように付勢され得るように、第1ハンドル部分と第2ハンドル部分との中間に位置付けられ得る。ある実施形態では、バネは、アンビルとステープルカートリッジとの間にギャップが存在するように、第1および第2ハンドル部分を少なくとも部分的に引き離すように構成され得る。このギャップは、組織がアンビルとステープルカートリッジとの間に位置付けられることを可能にするのに十分なものとすることができる。使用の際、外科医は、そのような外科用ステープリング器具を、第1および第2ハンドル部分を互いから引き離して保持する必要なく、位置付けることができる。そのような器具は、ステープリング器具が部分的に閉鎖された構成にあり、外科医が手術部位内部でその器具を操作している場合に、特に有用であり得る。外科医がステープリング器具の位置付けに満足した後、外科医は、バネを圧縮および/または係合解除して、ステープリング器具を閉鎖された構成に置くことができる。  In various embodiments, in addition to the foregoing, the surgical stapling instrument further includes a biasing member that can be configured to bias the first handle portion of the stapling instrument away from the second handle portion. Can do. In at least one embodiment, as described in further detail below, the spring and / or any suitable resilient material can be biased so that the anvil and staple cartridge of the stapling instrument move away from each other. , May be positioned intermediate the first handle portion and the second handle portion. In certain embodiments, the spring may be configured to at least partially separate the first and second handle portions such that there is a gap between the anvil and the staple cartridge. This gap can be sufficient to allow tissue to be positioned between the anvil and the staple cartridge. In use, a surgeon can position such a surgical stapling instrument without having to hold the first and second handle portions away from each other. Such an instrument may be particularly useful when the stapling instrument is in a partially closed configuration and the surgeon is manipulating the instrument within the surgical site. After the surgeon is satisfied with the positioning of the stapling instrument, the surgeon can compress and / or disengage the spring to place the stapling instrument in a closed configuration.

様々な状況では、上記で概説されたように、第1ハンドル部分102の遠位端は、ラッチ機構180が第2ハンドル部分104の突出部131と係合させられていないとき、あるいは突出部131と部分的にのみ係合させられたときに特に、第2ハンドル部分104の遠位端に対して動かされ得る。そのような状況では、第1および第2ハンドル部分の近位端に設けられた突出部111およびスロット115は、例えば第1および第2ハンドル部分の遠位端が互いに対して動かされているときに、第1および第2ハンドル部分の少なくとも近位端を共に確保するように構成され得る。言い換えると、突出部111およびスロット115は、第1ハンドル部分102が第2ハンドル部分104から完全に分離されることを防ぐ、あるいは少なくとも抑制するように協働することができる。ある実施形態では、第1ハンドル部分は、第1ロック部分を含むことができ、第2ハンドル部分は、第2ロック部分を含むことができ、第1および第2ロック部分は、互いと係合させられて第1ハンドル部分が第2ハンドル部分から完全に分離されることを防ぐように構成され得る。少なくとも1つの実施形態では、突出部111は、第1ロック部分を含むことができ、スロット115は、第2ロック部分を含むことができる。以前のステープリング器具は、そのようなロック部分を欠き、その代わりに、第1および第2ハンドル部分を共に保つために単一ラッチ機構に頼っていた。これら以前のステープリング器具のラッチ機構が第1および第2ハンドル部分の両方と完全に係合させられなかった状況では、第1および第2ハンドル部分は、互いから完全に分離され、それにより、例えば外科医がハンドル部分を再位置付けおよび再組立することを必要することもあった。ある状況では、これら以前のステープルの第1および第2ハンドル部分の完全な分離は、切断部材の少なくとも一部分を露出することもあった。  In various situations, as outlined above, the distal end of thefirst handle portion 102 may be at a time when thelatch mechanism 180 is not engaged with theprotrusion 131 of thesecond handle portion 104, or at theprotrusion 131. Can be moved relative to the distal end of thesecond handle portion 104, particularly when only partially engaged. In such a situation, theprotrusions 111 and theslots 115 provided at the proximal ends of the first and second handle portions are, for example, when the distal ends of the first and second handle portions are moved relative to each other. And at least a proximal end of the first and second handle portions may be secured together. In other words, theprotrusion 111 and theslot 115 can cooperate to prevent, or at least inhibit, thefirst handle portion 102 from being completely separated from thesecond handle portion 104. In certain embodiments, the first handle portion can include a first lock portion, the second handle portion can include a second lock portion, and the first and second lock portions engage each other. And may be configured to prevent the first handle portion from being completely separated from the second handle portion. In at least one embodiment, theprotrusion 111 can include a first locking portion and theslot 115 can include a second locking portion. Previous stapling instruments lacked such a locking portion and instead relied on a single latch mechanism to hold the first and second handle portions together. In situations where the latch mechanism of these previous stapling instruments has not been fully engaged with both the first and second handle portions, the first and second handle portions are completely separated from each other, thereby For example, the surgeon may need to reposition and reassemble the handle portion. In certain situations, complete separation of the first and second handle portions of these previous staples could expose at least a portion of the cutting member.

様々な実施形態では、上記で概説されたように、ラッチ機構180は、開放位置と、部分的に閉鎖された位置と、閉鎖された位置との間で動かされるように構成され得る。ラッチ機構180がその開放位置にあるとき、上記でも概説されたように、突出部111は、スロット115に挿入され得る、および/またはスロット115から取り外され得る。ラッチ機構180はその部分的に閉鎖された位置にある場合、図6を参照すると、ラッチアーム188は、突出部111がスロット115から取り外され得ないように、ラッチ突出部131に係合するように構成され得る。少なくとも1つのそのような実施形態では、ラッチアーム188およびラッチ突出部131は、第2ハンドル部分104が第1ハンドル部分102に対して遠位に動かされることを防ぐ、あるいは少なくとも抑制し、結果として、突出部111がスロット115から係合解除されることを防ぐ、あるいは少なくとも抑制するように構成され得る。それに対応して、ラッチアーム188およびラッチ突出部131は、第1ハンドル部分102が第2ハンドル部分104に対して近位に動かされることを防ぐように構成され得る。上記と同様に、様々な実施形態では、ラッチアーム188およびラッチ突出部131はまた、ラッチ機構180がその閉鎖された位置にあるときに(図7)、突出部111がスロット115から取り外されることを防ぐ、あるいは少なくとも抑制するように構成され得る。ある実施形態では、前述に加えて、ラッチ突出部131は、第2ハンドル部分104の近位端と遠位端との中間の位置で、第2ハンドル部分104から延びることができる。少なくとも1つのそのような実施形態では、突出部111およびスロット115は、第1および第2ハンドル部分を共にそれらの近位端で保持するように構成され得、一方でラッチ機構180は、第1および第2ハンドル部分を共に中間位置で保持するために利用され得る。いずれの場合でも、ある実施形態では、第1および第2ハンドル部分は、ラッチ機構180がその完全な開放位置に動かされない限り、互いから係合解除され得ない。少なくとも1つのそのような実施形態では、突出部111およびスロット115は、ラッチ機構180が閉鎖された位置および/または部分的に閉鎖された位置にある場合、互いから係合解除され得ない。  In various embodiments, as outlined above, thelatch mechanism 180 can be configured to be moved between an open position, a partially closed position, and a closed position. When thelatch mechanism 180 is in its open position, theprotrusion 111 can be inserted into and / or removed from theslot 115 as outlined above. When thelatch mechanism 180 is in its partially closed position, referring to FIG. 6, thelatch arm 188 engages thelatch protrusion 131 such that theprotrusion 111 cannot be removed from theslot 115. Can be configured. In at least one such embodiment, thelatch arm 188 and thelatch protrusion 131 prevent or at least inhibit thesecond handle portion 104 from being moved distally relative to thefirst handle portion 102, as a result. Theprotrusion 111 may be configured to prevent, or at least inhibit, the engagement of theprotrusion 111 from theslot 115. Correspondingly, thelatch arm 188 and thelatch protrusion 131 can be configured to prevent thefirst handle portion 102 from being moved proximally relative to thesecond handle portion 104. Similar to the above, in various embodiments, thelatch arm 188 and thelatch protrusion 131 can also be removed from theslot 115 when thelatch mechanism 180 is in its closed position (FIG. 7). Can be configured to prevent, or at least suppress. In certain embodiments, in addition to the foregoing, thelatch protrusion 131 can extend from thesecond handle portion 104 at a location intermediate the proximal and distal ends of thesecond handle portion 104. In at least one such embodiment, theprotrusion 111 and theslot 115 can be configured to hold the first and second handle portions together at their proximal ends, while thelatch mechanism 180 includes the first And can be utilized to hold the second handle portion together in an intermediate position. In any case, in some embodiments, the first and second handle portions cannot be disengaged from each other unless thelatch mechanism 180 is moved to its fully open position. In at least one such embodiment, theprotrusion 111 and theslot 115 cannot be disengaged from each other when thelatch mechanism 180 is in a closed position and / or a partially closed position.

いったんアンビル130およびステープルカートリッジ150が十分に位置付けられたら、アンビル130とステープルカートリッジ150との中間に位置付けられた組織は、ステープリングおよび/または切開され得る。様々な実施形態では、図3を参照すると、外科用ステープリング器具100は、例えばステープルスレッド組立体160をステープルカートリッジ150内部で前進および/または後退させるように構成され得るプッシュバー組立体200をさらに含むことができる。少なくとも1つの実施形態では、プッシュバー組立体200は、プッシュバー202および発射アクチュエータ204を含むことができ、発射アクチュエータ204は、前述されたように、ステープルをステープルカートリッジ150から配備してステープルをアンビル130に押し付けて変形させるために、プッシュバー202およびステープルスレッド組立体160を遠位に動かすように構成され得る。少なくとも1つの実施形態では、図11および図12を参照すると、ステープルスレッド162は、プッシュバー202の遠位端201(図3)を受容するように構成され得、また、その遠位端201に作用可能に接続され得る、溝、チャネル、またはスロット161を含むことができる。ある実施形態では、ステープルスレッド組立体160は、ステープルカートリッジ150がステープルカートリッジチャネル122に挿入されると、プッシュバー202と作用可能に係合させられ得る。少なくとも1つの実施形態では、遠位端201およびスロット161は、遠位端201およびスロット161が横方向に組み合わせられることを可能にできるが、遠位端201およびスロット161が互いから近位方向および/または遠位方向に分解されることを防ぐ、あるいは少なくとも抑制することができる協働特徴を含むことができる。他の実施形態では、プッシュバー202は、ステープルスレッド組立体160に接触し係合する前に、遠位に前進させられ得る。少なくとも1つのそのような実施形態では、ステープルスレッド組立体160は、プッシュバー202によって接触されるまで静止したままであり得る。いずれの場合でも、上記で概説されたように、アクチュエータ204は、押す力および/または引く力がアクチュエータ204にかけられ、プッシュバー202へ伝達され得るように、プッシュバー202に作用可能に接続され得る。ある実施形態では、以下でさらなる詳細が説明されるように、アクチュエータ204は、アクチュエータ204が少なくとも第1位置と第2位置との間で選択的に回転させられ得るように、プッシュバー202の近位端203に旋回可能に接続され得る。  Once theanvil 130 and thestaple cartridge 150 are fully positioned, the tissue positioned intermediate theanvil 130 and thestaple cartridge 150 can be stapled and / or incised. In various embodiments, referring to FIG. 3, thesurgical stapling instrument 100 further includes apush bar assembly 200 that can be configured to advance and / or retract thestaple sled assembly 160 within thestaple cartridge 150, for example. Can be included. In at least one embodiment, thepush bar assembly 200 can include apush bar 202 and afiring actuator 204 that deploys staples from thestaple cartridge 150 and anvils the staples as described above.Push bar 202 andstaple sled assembly 160 may be configured to move distally to press and deform 130. In at least one embodiment, referring to FIGS. 11 and 12, thestaple sled 162 can be configured to receive the distal end 201 (FIG. 3) of thepush bar 202, and at its distal end 201 A groove, channel, or slot 161 can be included that can be operatively connected. In certain embodiments, thestaple sled assembly 160 can be operatively engaged with thepush bar 202 when thestaple cartridge 150 is inserted into thestaple cartridge channel 122. In at least one embodiment, thedistal end 201 and theslot 161 can allow thedistal end 201 and theslot 161 to be combined laterally, but thedistal end 201 and theslot 161 are proximal and away from each other. Cooperating features can be included that can prevent or at least inhibit disintegration in the distal direction. In other embodiments, thepush bar 202 can be advanced distally before contacting and engaging thestaple sled assembly 160. In at least one such embodiment, thestaple sled assembly 160 may remain stationary until contacted by thepush bar 202. In any case, as outlined above, theactuator 204 can be operatively connected to thepush bar 202 such that a pushing and / or pulling force can be applied to theactuator 204 and transmitted to thepush bar 202. . In certain embodiments, as will be described in further detail below, theactuator 204 is positioned near thepush bar 202 so that theactuator 204 can be selectively rotated between at least a first position and a second position. A pivot end may be connected to thedistal end 203.

前述に加えて、図1、図13および図14を参照すると、アクチュエータ204は、外科用ステープリング器具100の第1側部116上の第1位置(図13)と、第2側部117上の第2位置(図14)と、第1および第2ハンドル部分102および104の近位端103および105に位置する中間位置(図1)との間で可動であり得る。いったんアクチュエータ204が第1および第2側部116,117の一方上の適所へ回転させられたら、アクチュエータ204は、遠位に前進させられ得る。様々な状況では、その結果、外科医は、アクチュエータ204を第1側部116、あるいは第2側部117に沿って遠位に動かすかどうか選択することができる。そのような状況は、アクチュエータ204が外科用器具の一方の側部に沿って遠位に移動させられるとき、もう一方の側部と比べて、例えば手術部位を取り囲む組織に影響を与えうる可能性が高い場合に、生じることがある。様々な実施形態では、図2および図3を参照すると、アクチュエータ204は、そのアクチュエータ204から延びるアーム206を含むことができ、アーム206は、プッシュバー202の近位端203に旋回可能に据え付けられ得る。ある実施形態では、図1、図13および図14を再度参照すると、外科用器具100は、第1側部116に沿って延びる第1スロット(不図示)、および第2側部117に沿って延びる第2スロット118を含むことができ、第1および第2スロットは、アクチュエータ204の少なくとも一部をスライド可能に受容するように構成され得る。少なくとも1つの実施形態では、第1および第2スロットの側壁は、アクチュエータ204が所定通路に沿って動かされ得るように、アクチュエータ204の動きを制限する、あるいは少なくとも制限することを助けることができる。図14を参照すると、例えば、第2スロット118は、アクチュエータ204が第2側部117に沿って遠位に動かされるときに、アクチュエータ204のアーム206が第1ハンドル部分と第2ハンドル部分との中間をスライドさせられ得るように、第1ハンドル部分102と第2ハンドル部分104との間で定められ得る。上記と同様に、第1スロットも、第1ハンドル部分と第2ハンドル部分との中間で定められ得る。様々な実施形態では、図13および図14を再度参照すると、外科用器具100は、中間スロット119をさらに含むことができ、中間スロット119はまた、アーム206、および/またはアクチュエータ204の任意の他の適切な部分が、中間スロット119内でスライドできるように構成され得る。少なくとも1つのそのような実施形態では、中間スロット119は、第1および第2スロットに接続することができ、それにより、アクチュエータ204がその中間位置に位置付けられると、アクチュエータ204がその第1位置および第2位置のいずれか一方へ動かされ得るようになっている。ある実施形態では、第1スロット、第2スロット117、および中間スロット119は、互いに対して平行、または少なくとも実質的に平行であることができ、ならびに/あるいは、同一面内に置かれることができるが、スロットの1つ以上が他のスロットと平行でない、および/または異なる面内に置かれる、他の実施形態が想到される。さらに、図示された実施形態の第1および第2側部は、外科用器具100の反対側に位置しているが、例えば第1および第2スロットが隣接する側部および/または互いに正反対でない側部に位置する、他の実施形態が想到される。さらに、丸い部分および/または弓形部分を有する器具など、ステープリング器具の側部が容易に識別できない、他の実施形態が想到される。  In addition to the foregoing, referring to FIGS. 1, 13, and 14, theactuator 204 is positioned on thefirst side 116 of the surgical stapling instrument 100 (FIG. 13) and on thesecond side 117. Between the second position (FIG. 14) and an intermediate position (FIG. 1) located at the proximal ends 103 and 105 of the first andsecond handle portions 102 and 104. Once theactuator 204 has been rotated into position on one of the first andsecond sides 116, 117, theactuator 204 can be advanced distally. In various situations, the result is that the surgeon can choose whether to move theactuator 204 distally along thefirst side 116 or thesecond side 117. Such a situation may affect, for example, the tissue surrounding the surgical site when theactuator 204 is moved distally along one side of the surgical instrument compared to the other side. May occur when the is high. In various embodiments, referring to FIGS. 2 and 3, theactuator 204 can include anarm 206 extending from theactuator 204 that is pivotally mounted to theproximal end 203 of thepush bar 202. obtain. In certain embodiments, referring again to FIGS. 1, 13, and 14, thesurgical instrument 100 includes a first slot (not shown) that extends along thefirst side 116 and asecond side 117. Asecond slot 118 can be included, and the first and second slots can be configured to slidably receive at least a portion of theactuator 204. In at least one embodiment, the sidewalls of the first and second slots can limit or at least limit the movement of theactuator 204 so that theactuator 204 can be moved along a predetermined path. Referring to FIG. 14, for example, thesecond slot 118 is configured such that when theactuator 204 is moved distally along thesecond side 117, thearm 206 of theactuator 204 moves between the first handle portion and the second handle portion. It may be defined between thefirst handle portion 102 and thesecond handle portion 104 so that the middle can be slid. Similar to the above, the first slot may also be defined between the first handle portion and the second handle portion. In various embodiments, referring again to FIGS. 13 and 14, thesurgical instrument 100 can further include anintermediate slot 119 that can also include thearm 206 and / or any other of theactuator 204. Appropriate portions may be configured to slide within theintermediate slot 119. In at least one such embodiment, theintermediate slot 119 can be connected to the first and second slots so that when theactuator 204 is positioned in its intermediate position, theactuator 204 is in its first position and It can be moved to either one of the second positions. In some embodiments, the first slot, thesecond slot 117, and theintermediate slot 119 can be parallel, or at least substantially parallel to each other, and / or can be placed in the same plane. However, other embodiments are contemplated where one or more of the slots are not parallel to the other slots and / or are placed in different planes. Further, the first and second sides of the illustrated embodiment are located on opposite sides of thesurgical instrument 100, for example, the side where the first and second slots are adjacent and / or the sides that are not diametrically opposite one another. Other embodiments are conceivable which are located in the section. Furthermore, other embodiments are envisaged where the sides of the stapling instrument are not readily identifiable, such as instruments having round and / or arcuate portions.

様々な実施形態では、前述に加えて、外科用ステープリング器具100は、アクチュエータ204およびそれに対応してステープルスレッド組立体160が早まって前進させられることを防ぐ、あるいは少なくとも抑制することができるロック機構をさらに含むことができる。少なくとも1つの実施形態では、ロック機構は、ラッチ機構180が閉鎖された位置または少なくとも部分的に閉鎖された位置へ動かされる前に、アクチュエータ204が遠位に前進させられることを防ぐ、あるいは少なくとも抑制するように構成され得る。ある実施形態では、概して図5を参照すると、外科用ステープリング器具100は、ロック機構220をさらに含むことができ、このロック機構220は、アクチュエータ204と係合させられ得、また、ラッチ機構180が完全な開放位置(図5)および/または少なくとも実質的な開放位置にある間、アクチュエータ204と係合させられたままであることができる。様々な実施形態では、ロック機構220は、ロック222を含むことができ、このロック222は、例えばロックバネ224によってロック222に加えられる付勢力によりアクチュエータ204との係合へ付勢され得る。少なくとも1つのそのような実施形態では、アクチュエータ204は、ロック222の少なくとも一部分を受容するように構成され得る、1つ以上の溝、チャネル、またはスロット(不図示)を含むことができる。使用の際、ロック機構220は、ラッチ機構180がその完全に閉鎖された位置(図7)および/または少なくとも実質的に閉鎖された位置へ動かされるまで、アクチュエータ204を適所に保持することができる。そのような状況では、少なくとも1つの実施形態では、ラッチ機構180は、ロック機構220に係合し、かつロック222をアクチュエータ204から係合解除するように構成され得る。少なくとも1つのそのような実施形態では、図5〜図7を参照すると、ラッチ機構180は、カム183をさらに含むことができ、このカム183は、ラッチ機構180がその閉鎖された位置へ動かされると、ロック222上のカム面223に係合し、その結果、ロック222をアクチュエータ204から離れるようにスライドさせる、および/または別様に動かすように、構成され得る。様々な実施形態では、カム183は、ラッチカバー186および/またはラッチフレーム184から延びる壁部、リブ、および/または隆起部を含むことができる。いずれの場合でも、いったんロック222がアクチュエータ204から十分に係合解除されたら、少なくとも1つの実施形態では、アクチュエータ204は、図1に図示されているその中間位置から、図13および図14に図示されているような第1位置および第2位置の一方へ動かされ得る。  In various embodiments, in addition to the foregoing, thesurgical stapling instrument 100 can include a locking mechanism that can prevent, or at least inhibit, theactuator 204 and correspondingly thestaple sled assembly 160 from being advanced prematurely. Can further be included. In at least one embodiment, the locking mechanism prevents, or at least inhibits, actuator 204 from being advanced distally beforelatch mechanism 180 is moved to a closed position or at least partially closed position. Can be configured to. In certain embodiments, referring generally to FIG. 5, thesurgical stapling instrument 100 can further include alocking mechanism 220 that can be engaged with theactuator 204 and thelatching mechanism 180. Can remain engaged with theactuator 204 while in a fully open position (FIG. 5) and / or at least a substantially open position. In various embodiments, thelocking mechanism 220 can include alock 222 that can be biased into engagement with theactuator 204 by a biasing force applied to thelock 222 by, for example, alock spring 224. In at least one such embodiment, theactuator 204 can include one or more grooves, channels, or slots (not shown) that can be configured to receive at least a portion of thelock 222. In use, thelocking mechanism 220 can hold theactuator 204 in place until thelatch mechanism 180 is moved to its fully closed position (FIG. 7) and / or at least substantially closed. . In such a situation, in at least one embodiment, thelatch mechanism 180 may be configured to engage thelock mechanism 220 and disengage thelock 222 from theactuator 204. In at least one such embodiment, referring to FIGS. 5-7, thelatch mechanism 180 can further include acam 183 that is moved to its closed position. And can engage thecam surface 223 on thelock 222 so that thelock 222 is slid away from theactuator 204 and / or moved differently. In various embodiments, thecam 183 can include walls, ribs, and / or ridges extending from thelatch cover 186 and / or thelatch frame 184. In any case, once thelock 222 is fully disengaged from theactuator 204, in at least one embodiment, theactuator 204 is illustrated in FIGS. 13 and 14 from its intermediate position illustrated in FIG. Can be moved to one of a first position and a second position.

前述されたように、ロック機構220は、ラッチ機構180が例えば閉鎖された位置および/または部分的に閉鎖された位置など所定位置へ動かされる前に、駆動バー202が遠位に前進させられることを防ぐ、あるいは少なくとも抑制するように構成され得る。有利なことに、ロック機構220はまた、第1ハンドル部分102および第2ハンドル部分104が共に組み合わせられる前に、ステープルスレッド組立体160が前進させられることを防ぐ、あるいは少なくとも抑制することができる。事実上、ロック機構220は、アンビル130とステープルカートリッジ150との中間に位置付けられた組織が、アンビル130およびステープルカートリッジ150がその組織に対して適切に位置付けられる前に、切断および/またはステープリングされることを防ぐことができる。また、事実上、ロック機構220は、適切なクランプ力が組織にかけられる前に、ステープルが組織へ配備されることを防ぐことができる。いずれの場合でも、ラッチ機構180がその完全な開放位置および/または部分的な開放位置へ戻されるとき、カム183はロック222から離れるように動かされ得、それによりロックバネ124は、ロック222を再度アクチュエータ204との係合へ付勢することができるようになっている。様々な他の実施形態では、図15および図16を参照すると、ロック機構220’は、カム面223’およびそれに加えてロック222’の相対運動を制限することができる停止部226’を含むロック222’を含むことができる。少なくとも1つの実施形態では、カム183は、例えば、カム面223’に接触するように構成され得、カム面223’の輪郭付けされた、傾斜された、および/または角度を付けられた、表面のため、カム183は、図16に図示されているようにロック222’を遠位に駆動するように構成され得る。ロック222’から延びるピン228’が、ピン228’がアクチュエータ204’内の開口部229’の内部に位置付けられている第1位置(図15)と、ピン228’が開口部229’から十分に取り外された第2位置(図16)との間で、動かされ得るように、ロック222’は、遠位に駆動され得る。様々な実施形態では、停止部226’は、ロック222’が遠位に駆動されて、いったんロック222’が十分に転置されたら、停止部226’はカム183と接触することができるように、構成され得る。そのような実施形態では、停止部226’は、ロック222’の第2すなわち転置された位置を制御するように構成され得る。上述と同様に、アクチュエータ180がその閉鎖された位置から動かされて、カム183がロック機構220’から係合解除されると、ロックバネ224’は、ロック222’を再度アクチュエータ204’と係合するように動かすことができる。  As described above, thelocking mechanism 220 allows thedrive bar 202 to be advanced distally before thelatch mechanism 180 is moved to a predetermined position, eg, a closed position and / or a partially closed position. Can be configured to prevent, or at least suppress. Advantageously, thelocking mechanism 220 can also prevent or at least prevent thestaple sled assembly 160 from being advanced before thefirst handle portion 102 and thesecond handle portion 104 are combined together. In effect, thelocking mechanism 220 allows tissue positioned intermediate theanvil 130 andstaple cartridge 150 to be cut and / or stapled before theanvil 130 andstaple cartridge 150 are properly positioned relative to the tissue. Can be prevented. Also, in effect, thelocking mechanism 220 can prevent the staples from being deployed to the tissue before an appropriate clamping force is applied to the tissue. In either case, when thelatch mechanism 180 is returned to its fully open and / or partially open position, thecam 183 can be moved away from thelock 222 so that thelock spring 124 re-engages thelock 222 again. It is possible to urge theactuator 204 to engage with it. In various other embodiments, referring to FIGS. 15 and 16, thelocking mechanism 220 ′ includes astop 226 ′ that can limit the relative motion of thecam surface 223 ′ and additionally thelock 222 ′. 222 ′. In at least one embodiment, thecam 183 can be configured to contact thecam surface 223 ′, for example, a contoured, inclined, and / or angled surface of thecam surface 223 ′. Thus, thecam 183 can be configured to drive thelock 222 ′ distally as illustrated in FIG. Apin 228 ′ extending from thelock 222 ′ has a first position (FIG. 15) in which thepin 228 ′ is positioned within theopening 229 ′ in theactuator 204 ′, and thepin 228 ′ is fully Thelock 222 ′ can be driven distally so that it can be moved between the removed second position (FIG. 16). In various embodiments, thestop 226 ′ can be contacted with thecam 183 once thelock 222 ′ is driven distally and thelock 222 ′ is fully displaced. Can be configured. In such embodiments, the stop 226 'can be configured to control the second or displaced position of the lock 222'. As above, when theactuator 180 is moved from its closed position and thecam 183 is disengaged from the locking mechanism 220 ', the lock spring 224' engages the lock 222 'again with the actuator 204'. Can be moved.

様々な実施形態では、前述されたように、発射アクチュエータは、プッシュバー、ステープルスレッド、および/または切断部材を第1位置と第2位置との間で動かすために利用され得る。これもまた前述されたように、例えば、プッシュバー組立体200は、例えばステープルスレッド組立体160などのステープルスレッド組立体を、近位位置(図10)と遠位位置との間で動かすために利用され得る。ある実施形態では、例えばステープルカートリッジ150などのステープルカートリッジは、その中に収容されたステープルスレッド組立体160を含むことができ、ステープルカートリッジがステープルカートリッジチャネル122に組み合わせられるか、または挿入されると、図10に図示されているように、ステープルスレッド組立体160は、遠位位置に位置付けられ得る。少なくとも1つのそのような実施形態では、図8〜図10を参照すると、ステープルカートリッジ150は、例えばステープルスレッド組立体160がその遠位位置にあるとき、切断部材164の少なくとも一部分を覆うように構成され得る、ハウジング170をさらに含むことができる。様々な実施形態では、ハウジング170は、例えば外科医が、例えば、ステープルカートリッジを取り扱うとき、ステープルカートリッジを外科用ステープラに挿入するとき、および/または外科用ステープラの2つ以上の部分を共に組み立てるときに、外科医を保護するように構成され得る。少なくとも1つのそのような実施形態では、切断エッジ165の少なくとも上方部分が、ステープルカートリッジ150のデッキすなわち上面158よりも上に、例えばハウジング170などの保護ハウジングがない状態で延びることができ、切断エッジ165の上方部分は、露出され得る。  In various embodiments, as described above, the firing actuator can be utilized to move the push bar, staple sled, and / or cutting member between a first position and a second position. As also described above, for example, thepush bar assembly 200 is used to move a staple sled assembly, such as thestaple sled assembly 160, between a proximal position (FIG. 10) and a distal position, for example. Can be used. In certain embodiments, a staple cartridge, such asstaple cartridge 150, for example, can include astaple sled assembly 160 housed therein, and when the staple cartridge is assembled or inserted intostaple cartridge channel 122. As illustrated in FIG. 10,staple sled assembly 160 may be positioned in a distal position. In at least one such embodiment, referring to FIGS. 8-10, thestaple cartridge 150 is configured to cover at least a portion of the cuttingmember 164, for example when thestaple sled assembly 160 is in its distal position. Ahousing 170 can be further included. In various embodiments, thehousing 170 may be used, for example, when a surgeon handles, for example, a staple cartridge, inserts a staple cartridge into a surgical stapler, and / or assembles two or more portions of a surgical stapler together. Can be configured to protect the surgeon. In at least one such embodiment, at least the upper portion of thecutting edge 165 can extend above the deck ortop surface 158 of thestaple cartridge 150 without a protective housing, such as thehousing 170, for example. The upper portion of 165 can be exposed.

様々な実施形態では、前述されたように、切断部材165は、スロット、またはチャネル156の内部に少なくとも部分的に位置付けられ得、そして図10に図示されているように、切断部材164の少なくとも上方すなわち上端部分が、デッキ158よりも上に延びることができる。少なくとも1つの実施形態では、図8〜図10を参照すると、ハウジング170は、ステープルカートリッジ本体152の第1部分157から延びる第1壁すなわち第1部分172、ステープルカートリッジ本体152の第2部分159から延びる第2壁すなわち第2部分174、および、第1壁172と第2壁174との間を延びる上壁すなわち上部分176を含むことができる。ある実施形態では、ハウジングは、ステープルカートリッジ本体から延びる唯一の支持壁すなわち支持部分、および、それに加えて、その支持壁すなわち支持部分から延びる上壁すなわち上部分を含んでもよい。他の実施形態では、ハウジングは、1以上の側壁すなわち側方部分を含み、上壁を含まなくてもよい。少なくとも1つのそのような実施形態では、ハウジングの側壁は、例えば、側壁が切断部材の上端よりも上に延び、あるいは、切断部材の切断エッジよりも上に少なくとも延びるように、構成され得る。いずれの場合でも、図10に図示されているように、切断部材164の少なくとも一部分は、ステープルスレッド組立体160がその近位位置にあるとき、上壁176の下側、および/または側壁172と側壁174との間に位置付けられ得る。ある実施形態では、切断部材164は、上壁176の下側に完全に位置付けられ得、および/またはハウジング170内部に完全に位置付けられ得る。少なくとも1つの実施形態では、切断部材164は、切断面165が遠位エッジ175および/または上壁176の近位エッジ177を越えて延びないように、上壁176の下側に位置付けられ得る。少なくとも1つの実施形態では、ハウジング170は、切断部材164および/またはステープルスレッド組立体160の任意の他の部分の近位移動を制限するように構成され得る、後方壁178を含むことができる。様々な実施形態では、例えばハウジング170の少なくとも一部分は、ステープルカートリッジ本体152と一体的に形成され得る。少なくとも1つのそのような実施形態では、第1壁172、第2壁174、上壁176、および/または後方壁178は、例えば、ステープルカートリッジ本体152が射出成型されるときに、形成され得る。ある実施形態では、ハウジング170の少なくとも一部分は、スナップ嵌め式、プレス嵌め式、および/または任意の他の適切な方法によりステープルカートリッジ本体152に組み合わせられ得る。  In various embodiments, as described above, the cuttingmember 165 can be positioned at least partially within a slot, orchannel 156, and at least above the cuttingmember 164, as illustrated in FIG. That is, the upper end portion can extend above thedeck 158. In at least one embodiment, referring to FIGS. 8-10, thehousing 170 has a first wall orfirst portion 172 extending from thefirst portion 157 of thestaple cartridge body 152 and asecond portion 159 of thestaple cartridge body 152. A second wall orportion 174 that extends and an upper wall orportion 176 that extends between thefirst wall 172 and thesecond wall 174 can be included. In certain embodiments, the housing may include a single support wall or support portion extending from the staple cartridge body, and in addition, an upper wall or upper portion extending from the support wall or support portion. In other embodiments, the housing includes one or more sidewalls or side portions and may not include a top wall. In at least one such embodiment, the side wall of the housing may be configured, for example, such that the side wall extends above the upper end of the cutting member, or at least extends above the cutting edge of the cutting member. In any case, as illustrated in FIG. 10, at least a portion of the cuttingmember 164 is disposed under thetop wall 176 and / or with theside wall 172 when thestaple sled assembly 160 is in its proximal position. It can be positioned between theside wall 174. In certain embodiments, the cuttingmember 164 can be positioned completely under thetop wall 176 and / or can be positioned fully within thehousing 170. In at least one embodiment, the cuttingmember 164 can be positioned below thetop wall 176 such that the cuttingsurface 165 does not extend beyond thedistal edge 175 and / or theproximal edge 177 of thetop wall 176. In at least one embodiment, thehousing 170 can include aposterior wall 178 that can be configured to limit the proximal movement of the cuttingmember 164 and / or any other portion of thestaple sled assembly 160. In various embodiments, for example, at least a portion of thehousing 170 can be integrally formed with thestaple cartridge body 152. In at least one such embodiment, thefirst wall 172, thesecond wall 174, thetop wall 176, and / or theback wall 178 can be formed, for example, when thestaple cartridge body 152 is injection molded. In certain embodiments, at least a portion of thehousing 170 can be coupled to thestaple cartridge body 152 by snap-fit, press-fit, and / or any other suitable method.

様々な実施形態では、前述に加えて、切断部材164は、平坦な、または少なくとも実質的に平坦な、本体により定められ得、この切断部材本体は、この本体の少なくとも片側に沿って延びるナイフエッジを有する。少なくとも1つのそのような実施形態では、第1壁172および/または第2壁174は、それら壁が、切断部材164の側面に対して平行、または少なくとも実質的に平行である、平坦な、または少なくとも実質的に平坦な、内面173を含むことができるように、構成および配列され得る。ある実施形態では、切断部材164は、壁172および174の内面173の間に密接に受容され得る。少なくとも1つのそのような実施形態では、壁172と壁174との間の距離は、スロット156の幅と同じ、または少なくとも実質的に同じであり得る。いずれの場合でも、ハウジングは、例えば、ハウジングの少なくとも一部分がスロット156の少なくとも一部分を覆うように延びるよう構成され得る。ある実施形態では、ハウジング170は、切断部材164および/または切断面165を完全に囲むすなわち取り囲むことができる。少なくとも1つの実施形態では、図示はされていないが、ハウジングは、切断部材がハウジングから出ることを可能にするために、少なくとも部分的に分離されうる、引き離されうる、および/または別様に変形されうる、分離部分および/または切開可能な部分を含むことができる。少なくとも1つのそのような実施形態では、組織切断面は、例えば、ハウジングに接触してハウジング壁を壊すおよび/または切開するように構成され得る。様々な実施形態では、ハウジング壁は、ハウジング壁の変形および/または切開を容易にするために薄い部分、厚みが減少された部分、切り込み印、および/または任意の他の構成を含むことができる。ある実施形態では、切断部材は、例えば、ハウジングを変形および/または切開するように構成され得る、1つ以上の追加の切断面および/またはアンビルを含むことができる。少なくとも1つの実施形態では、ハウジングは、例えばヒンジ部材および/または可撓性フラップなどの可動性部分および/または可撓性部分を含むことができ、可動性部分および/または可撓性部分は、十分に動くおよび/または曲がり、それにより切断部材が通過することができるように構成され得る。いずれの場合でも、切断部材が組織を切開するための任意の適切な構成を有することができ、保護ハウジングが切断部材を少なくとも部分的に囲むすなわち取り囲むための任意の適切な構成を有することができる、実施形態が想到される。さらに、前述されたように切断部材は鋭利なエッジを含むことができるが、例えば組織を切断するのに十分な電流が供給されるものなど、他の適切な切断部材が想到される。  In various embodiments, in addition to the foregoing, the cuttingmember 164 can be defined by a body that is flat or at least substantially flat, the cutting member body extending along at least one side of the body. Have In at least one such embodiment, thefirst wall 172 and / or thesecond wall 174 are flat, or are parallel, or at least substantially parallel to the sides of the cuttingmember 164, or It may be configured and arranged to include aninner surface 173 that is at least substantially flat. In certain embodiments, the cuttingmember 164 can be closely received between theinner surfaces 173 of thewalls 172 and 174. In at least one such embodiment, the distance betweenwall 172 andwall 174 may be the same as or at least substantially the same as the width ofslot 156. In any case, the housing can be configured, for example, to extend so that at least a portion of the housing covers at least a portion of theslot 156. In certain embodiments, thehousing 170 may completely surround or surround the cuttingmember 164 and / or the cuttingsurface 165. In at least one embodiment, although not shown, the housing can be at least partially separated, pulled apart, and / or otherwise deformed to allow the cutting member to exit the housing. It can include a separate portion and / or an incisible portion that can be made. In at least one such embodiment, the tissue cutting surface may be configured, for example, to contact the housing and break and / or dissect the housing wall. In various embodiments, the housing wall can include thin portions, reduced thickness portions, incisions, and / or any other configuration to facilitate deformation and / or incision of the housing wall. . In certain embodiments, the cutting member can include one or more additional cutting surfaces and / or anvils that can be configured to deform and / or incise the housing, for example. In at least one embodiment, the housing can include a movable part and / or a flexible part, such as, for example, a hinge member and / or a flexible flap, where the movable part and / or the flexible part is It can be configured to move and / or bend sufficiently so that the cutting member can pass through. In any case, the cutting member can have any suitable configuration for incising tissue, and the protective housing can have any suitable configuration for at least partially enclosing or enclosing the cutting member. Embodiments are envisioned. In addition, as described above, the cutting member can include sharp edges, but other suitable cutting members are envisioned, such as those provided with sufficient current to cut tissue.

前述されたように、ハウジング170は、切断部材がその近位位置にあるとき、切断部材を少なくとも部分的に覆う、囲む、および/または取り囲むように構成され得る。様々な実施形態では、切断部材は、例えば組織を切開するために遠位に前進させられ、その後、切断部材を再びハウジング170内部に位置付けるために近位に後退させられ得る。そのような実施形態では、切断部材は、ステープルカートリッジが、外科用ステープリング器具に組み合わせられるとき、および外科用ステープリング器具から取り外されるとき、ハウジング170により少なくとも部分的に覆われ得る。ある実施形態では、新しい、すなわち未使用のステープルカートリッジが、少なくとも部分的に使用されたステープルカートリッジを置換するためにステープルカートリッジチャネルに挿入され得る。少なくとも1つのそのような実施形態では、新しいステープルカートリッジは、その中に位置付けられた新しい切断部材および/またはステープルスレッド組立体を含むことができるが、前に使用された切断部材および/またはステープルスレッド組立体が、再び再使用されるために、使用済みステープルカートリッジから十分に引き戻されて、新しいステープルカートリッジの中に前進させられ得る、実施形態が想到される。新しい切断部材および/またはステープルスレッド組立体がそれぞれの新しいステープルカートリッジを提供される実施形態では、例えば、鋭利な切断エッジが、それぞれのステープルカートリッジと共に利用され得る。  As described above, thehousing 170 may be configured to at least partially cover, surround, and / or surround the cutting member when the cutting member is in its proximal position. In various embodiments, the cutting member can be advanced distally, eg, to incise tissue, and then retracted proximally to reposition the cutting member within thehousing 170. In such embodiments, the cutting member may be at least partially covered by thehousing 170 when the staple cartridge is combined with the surgical stapling instrument and when removed from the surgical stapling instrument. In certain embodiments, a new or unused staple cartridge can be inserted into the staple cartridge channel to replace the at least partially used staple cartridge. In at least one such embodiment, the new staple cartridge can include a new cutting member and / or staple sled assembly positioned therein, but the previously used cutting member and / or staple sled. Embodiments are contemplated where the assembly can be fully pulled back from the used staple cartridge and advanced into a new staple cartridge for reuse again. In embodiments where a new cutting member and / or staple sled assembly is provided with each new staple cartridge, for example, a sharp cutting edge may be utilized with each staple cartridge.

様々な実施形態では、図示はされていないが、ステープルカートリッジは、切断部材が2つ以上の位置にあるとき、切断部材を少なくとも部分的に覆うように構成された2つ以上のハウジングを含むことができる。少なくとも1つの実施形態では、ステープルカートリッジは、例えば切断部材が近位位置にあるときに切断部材を少なくとも部分的に覆うように構成された近位ハウジング、およびそれに加えて、例えば切断部材が遠位位置にあるときに切断部材を少なくとも部分的に覆うように構成された遠位ハウジングを含むことができる。少なくとも1つのそのような実施形態では、切断部材は、ステープルカートリッジが外科用ステープリング器具に組み合わせられるとき、近位ハウジング内部に位置付けられ得、ある実施形態では、切断部材は、例えば切断部材がエンドエフェクタ内部に位置付けられた組織を横切した後に、遠位ハウジング内部へ前進させられ得る。そのような実施形態では、結果として、切断部材は、ステープルカートリッジが外科用ステープラから取り外されるとき、遠位ハウジング内部に少なくとも部分的に位置付けられ得る。そのような実施形態は、例えば血管がステープルカートリッジの近位ハウジングと遠位ハウジングとの中間に位置付けられている場合に特に有用であり得る。様々な実施形態では、図示はされていないが、切断部材は、遠位位置から近位位置に、および/または任意の他の適切な位置に、近位に動かされ得る。  In various embodiments, although not shown, the staple cartridge includes two or more housings configured to at least partially cover the cutting member when the cutting member is in two or more positions. Can do. In at least one embodiment, the staple cartridge includes a proximal housing configured, for example, to at least partially cover the cutting member when the cutting member is in a proximal position, and in addition, for example, the cutting member is distal. A distal housing configured to at least partially cover the cutting member when in position can be included. In at least one such embodiment, the cutting member can be positioned within the proximal housing when the staple cartridge is combined with a surgical stapling instrument, and in certain embodiments, the cutting member can be, for example, an end of the cutting member. After traversing tissue positioned within the effector, it can be advanced into the distal housing. In such embodiments, as a result, the cutting member can be positioned at least partially within the distal housing when the staple cartridge is removed from the surgical stapler. Such an embodiment may be particularly useful, for example, when the blood vessel is positioned intermediate the proximal and distal housings of the staple cartridge. In various embodiments, although not shown, the cutting member can be moved proximally from a distal position to a proximal position and / or from any other suitable position.

様々な実施形態では、前述に加えて、アンビル130は、例えば、アンビル130がステープルカートリッジ150に接近して対向させられたとき、ハウジング170の少なくとも一部分を受容するように構成され得る、1つ以上の開口部、スロット、または凹部179(図17)を含むことができる。少なくとも1つの実施形態では、アンビル130およびステープルカートリッジ150が、それらの間に干渉がない、または少なくとも実質的に干渉がない状態で、互いに対して動かされ得るように、ハウジング170と凹部179との間には十分な間隙が存在し得る。上記で概説されたように2つ以上の切断部材を有する実施形態では、対向アンビルがハウジングを受容するための2つ以上の対応する開口部を有することができる。様々な実施形態では、アンビルは、可動性切断部材、および、切断部材を少なくとも部分的に覆う、囲む、および/または取り囲むための少なくとも1つのハウジングを含むことができる。ある実施形態では、図示はされていないが、アンビルおよびステープルカートリッジの両方は、少なくとも1つの可動性切断部材、および/または、例えば切断部材が近位位置にあるとき、切断部材を少なくとも部分的に覆う、取り囲む、または囲うように構成された少なくとも1つのハウジングを含むことができる。  In various embodiments, in addition to the foregoing, theanvil 130 can be configured to receive at least a portion of thehousing 170, for example, when theanvil 130 is brought in close proximity to thestaple cartridge 150. Apertures, slots, or recesses 179 (FIG. 17). In at least one embodiment, thehousing 170 andrecess 179 can be moved such that theanvil 130 and thestaple cartridge 150 can be moved relative to each other without or at least substantially free of interference therebetween. There may be a sufficient gap between them. In embodiments having more than one cutting member as outlined above, the opposing anvil can have more than one corresponding opening for receiving the housing. In various embodiments, the anvil can include a movable cutting member and at least one housing for at least partially covering, surrounding, and / or surrounding the cutting member. In certain embodiments, although not shown, both the anvil and the staple cartridge can be at least partially movable with at least one movable cutting member, and / or when the cutting member is in a proximal position, for example. At least one housing configured to cover, enclose, or enclose may be included.

上記で概説されたように、プッシュバー組立体200は、ステープルカートリッジ組立体150内部でステープルスレッド組立体160を動かすために遠位に前進させられ得る。様々な実施形態では、これもまた上記で概説されたように、ステープルスレッド162のウェッジ様カム面167は、ステープルドライバ168の傾斜面169と係合するように動かされ、順次および/または同時に、ステープルをステープルカートリッジ150からアンビル130に対して駆動して例えばB形構成など任意の適切な構成にステープルを成形することができる。少なくとも1つのそのような実施形態では、図17を参照すると、アンビル130は、ステープルを変形するように構成され得る、例えばステープルポケット132などの1つ以上のステープル成形面を含むことができる。ある実施形態では、アンビル130は、例えば、ステープルスレッド162、切断部材164、および/またはプッシュバー202の、少なくとも一部分をスライド可能に受容するように構成され得る、スロット、チャネル、または溝133をさらに含むことができる。少なくとも1つの実施形態では、図示はされていないが、アンビルは、アンビル内部に画定されたアンビルチャネルの内部にしっかりとおよび/または不動式に位置付けられ得るアンビルプレートを含むことができる。様々な他の実施形態では、図18および図19に図示され、以下でさらなる詳細が説明されるように、アンビル130は、アンビルチャネル136の内部に可動式に位置付けられたアンビルプレート134を含むことができる。ある実施形態では、アンビルチャネル136は、対向側壁137、およびそれに加えて、側壁137の間を延びる基部138を含むことができる。少なくとも1つの実施形態では、アンビル130は、例えば、アンビル130に組み合わせられた遠位ノーズ部分139をさらに含むことができ、ノーズ部分139は、例えばアンビルチャネル136内へプレス嵌めおよび/またはスナップ嵌めされるように構成され得、それにより、ノーズ部分139は、アンビルチャネル136内にしっかりと確保され得るようになっている。ある実施形態では、ノーズ部分139は、例えばゴムなどの軟質および/または柔軟な材料から構成され得、例えば手術部位内へのアンビル130の挿入を容易にすることができる任意の適切な形状を含むことができる。いくつかの実施形態では、図28を参照すると、ノーズ部分139’などのノーズ部分は、1つ以上の留め具139a’によりアンビルに確保され得る。同様に、図1を参照すると、ステープルカートリッジチャネルおよび/または例えばステープルカートリッジ150などのステープルカートリッジは、例えば、手術部位内へのステープルカートリッジ150の挿入を容易にすることができる、例えばノーズ部分153などのノーズ部分を含むことができる。  As outlined above, pushbar assembly 200 may be advanced distally to movestaple sled assembly 160 withinstaple cartridge assembly 150. In various embodiments, as also outlined above, the wedge-like cam surface 167 of thestaple sled 162 is moved to engage theinclined surface 169 of thestaple driver 168, and in sequence and / or simultaneously, The staples can be driven from thestaple cartridge 150 to theanvil 130 to form the staples in any suitable configuration, such as a B-shaped configuration. In at least one such embodiment, referring to FIG. 17, theanvil 130 can include one or more staple forming surfaces, such asstaple pockets 132, which can be configured to deform the staples. In certain embodiments, theanvil 130 further includes a slot, channel, or groove 133 that can be configured to slidably receive at least a portion of, for example, thestaple thread 162, the cuttingmember 164, and / or thepush bar 202. Can be included. In at least one embodiment, although not shown, the anvil can include an anvil plate that can be securely and / or immovably positioned within an anvil channel defined within the anvil. In various other embodiments, as shown in FIGS. 18 and 19 and described in further detail below,anvil 130 includes ananvil plate 134 that is movably positioned withinanvil channel 136. Can do. In certain embodiments, theanvil channel 136 can include opposingsidewalls 137 and, in addition, a base 138 that extends between thesidewalls 137. In at least one embodiment, theanvil 130 can further include, for example, adistal nose portion 139 associated with theanvil 130, thenose portion 139 being press-fit and / or snap-fit into theanvil channel 136, for example. Configured so that thenose portion 139 can be secured within theanvil channel 136. In certain embodiments, thenose portion 139 can be constructed of a soft and / or flexible material, such as rubber, and includes any suitable shape that can facilitate insertion of theanvil 130 into the surgical site, for example. be able to. In some embodiments, referring to FIG. 28, a nose portion, such as nose portion 139 ', may be secured to the anvil by one ormore fasteners 139a'. Similarly, referring to FIG. 1, a staple cartridge channel and / or a staple cartridge such as, for example, astaple cartridge 150 can facilitate insertion of thestaple cartridge 150 into a surgical site, such as anose portion 153, for example. Of the nose portion.

上記で示されたように、ステープルは、ステープルカートリッジから配備されて、アンビルに押し付けて変形させられ得る。様々な状況では、アンビル130のステープル成形面とステープルスレッド162との間の距離は、ステープルが変形させられる量を決定することができる。例えば、アンビル130のアンビルポケット132とステープルスレッド162の上面135(図10〜図12)との間の距離が比較的大きい場合、ステープルは、アンビルポケット132とスレッド面135との間の距離が比較的小さい場合と比較して、より少ない量、変形させられるであろう。それに対応して、アンビルポケット132とスレッド面135との間の距離が比較的小さい場合、ステープルは、アンビルポケット132とスレッド面135との間の距離が比較的大きい場合と比較して、より大きい量、変形させられるであろう。しばしば、アンビルポケット132とスレッド面135との間の距離は、ステープルの成形高さと称される。時折、ステープルの成形高さは、ステープルカートリッジの上面すなわちデッキと、アンビル上のステープル成形面との間で測定され得る。しかしながら、この適用の目的のために、ステープル成形高さに対する何らかの基準などが、適当な測定方法および/または任意の他の適切な測定方法の、一方または両方の測定方法を含めることができる。いずれの場合でも、以下でさらなる詳細が説明されるように、例えばステープリング器具100などの外科用ステープリング器具は、ステープル成形高さを調節するための手段を含むことができる。  As indicated above, the staples can be deployed from the staple cartridge and deformed against the anvil. In various situations, the distance between the staple forming surface of theanvil 130 and thestaple thread 162 can determine the amount that the staple is deformed. For example, if the distance between theanvil pocket 132 of theanvil 130 and the top surface 135 (FIGS. 10-12) of thestaple sled 162 is relatively large, the staple is compared in distance between theanvil pocket 132 and thesled surface 135. Will be deformed by a smaller amount compared to the smaller case. Correspondingly, if the distance between theanvil pocket 132 and thethread surface 135 is relatively small, the staple is larger than if the distance between theanvil pocket 132 and thethread surface 135 is relatively large. The amount will be transformed. Often, the distance between theanvil pocket 132 and the threadedsurface 135 is referred to as the forming height of the staple. Occasionally, the staple forming height can be measured between the top surface or deck of the staple cartridge and the staple forming surface on the anvil. However, for the purposes of this application, any criteria for staple forming height, etc. can include one or both of the appropriate measurement methods and / or any other suitable measurement method. In any case, as described in further detail below, a surgical stapling instrument such as, for example, staplinginstrument 100 can include means for adjusting the staple forming height.

様々な実施形態では、前述に加えて、アンビルは、ステープルの成形高さを設定するためにステープルカートリッジに向かうよう、および/またはステープルカートリッジから離れるように、動かされ得る1つ以上の成形面を含むことができる。少なくとも1つの実施形態では、図17〜図23を参照すると、アンビル130は、アンビルチャネル136内部で可動式におよび/またはスライド可能に位置付けされ得る、アンビルプレート134を含むことができる。ある実施形態では、アンビル130は、1つ以上の保持ピンまたはガイドピン140をさらに含むことができ、アンビルプレート134は、ピン140の少なくとも一部分をスライド可能に受容するように構成された、1つ以上の保持スロットまたはガイドスロット141を含むことができる。少なくとも1つのそのような実施形態では、ピン140および/またはスロット141は、所定通路であって、アンビルプレート134がその所定通路に沿って動かされ得る、所定通路を定めるように構成され得る。図18を参照すると、ピン140およびスロット141は、アンビルプレート134が直線状または少なくとも実質的に直線状の通路に沿って動かされ得るように構成および配列され得、例えば直線状の通路は、軸142および143によって少なくとも部分的に定められ得る。アンビルプレートが例えば湾曲状および/または曲線的な通路などの非直線状の通路に沿って動かされ得る、他の実施形態が想到される。ある実施形態では、ピン140の少なくとも一部分は、側壁137の開口部144の内部に確保され得、少なくとも1つの実施形態では、ピン140は開口部144内部にプレス嵌めされ得る。いずれの場合でも、本明細書で説明されたように、ピン140は、例えば、アンビルプレート134がステープルカートリッジ150に向かうように、および/またはステープルカートリッジ150から離れるように動かされるときに、アンビルプレート134をガイドすることができる。  In various embodiments, in addition to the foregoing, the anvil has one or more forming surfaces that can be moved toward and / or away from the staple cartridge to set the forming height of the staples. Can be included. In at least one embodiment, referring to FIGS. 17-23,anvil 130 can include ananvil plate 134 that can be movably and / or slidably positioned withinanvil channel 136. In certain embodiments, theanvil 130 can further include one or more retaining pins or guidepins 140, and theanvil plate 134 is configured to slidably receive at least a portion of thepins 140. The above holding slot orguide slot 141 can be included. In at least one such embodiment, thepin 140 and / or slot 141 can be configured to define a predetermined passage that theanvil plate 134 can be moved along the predetermined passage. Referring to FIG. 18, thepins 140 andslots 141 can be configured and arranged such that theanvil plate 134 can be moved along a straight or at least substantially straight path, for example, the straight path can be anaxis 142 and 143 may be defined at least in part. Other embodiments are envisioned where the anvil plate can be moved along a non-linear path, such as a curved and / or curved path. In certain embodiments, at least a portion of thepin 140 can be secured within theopening 144 in thesidewall 137 and in at least one embodiment, thepin 140 can be press fitted within theopening 144. In any case, as described herein, thepins 140 may move when theanvil plate 134 is moved toward and / or away from thestaple cartridge 150, for example. 134 can be guided.

様々な実施形態では、前述に加えて、例えばステープリング器具100などの外科用ステープリング器具は、例えばアンビルプレート134などのアンビルの一部分を、アンビル組立体の他の部分および/または対向するステープルカートリッジに対して、位置付けるように構成された、1つ以上の調節部材を含むことができる。ある実施形態では、図18および図19を参照すると、ステープリング器具100は、アンビルプレート134の動作範囲を制限するように構成され得る、アンビルプレート調節部材230を含むことができる。少なくとも1つのそのような実施形態では、図20および図21を参照すると、調節部材230は、第1位置でアンビルプレート134の中間に位置付けられ得、この第1位置では、調節部材230の第1表面またはステップ231が、アンビルチャネル136の基部138とアンビルプレート134の第1位置付け面145との中間に位置付けられる。そのような第1位置では、第1ステップ231は、アンビルプレート134とアンビルチャネル136との間の可能な、または許容された相対運動の量を定めることができる。例えば、アンビル130は前述されたように組織に対してクランピングされるとき、アンビルプレート134は、組織と接触し、第1位置付け面145が第1ステップ231に接触するまで基部138に向かって上方へスライドすることができる。いったん面145およびステップ231が接触すると、調節部材230は、アンビルプレート134が基部138に向かってさらに動くことを防ぐ、あるいは少なくとも抑制することができる。少なくとも1つのそのような実施形態では、その結果、調節部材230は、基部138とアンビルプレート134の組織接触面148との間の距離が第1距離234により定められ得るように、停止部として作用することができる。基部138は、本例において基準面として使用されるが、例えばアンビル130の他の部分、および/または対向するステープルカートリッジが基準面として使用され得る。調節部材230がその第1位置にある場合、前述されたように、調節部材230の第2面またはステップ232は、基部138とアンビルプレート134の第2位置付け面146との中間に位置付けられ得、それに加えて、第3面またはステップ233は、基部138と第3位置付け面147との中間に位置付けられ得る。図20を参照すると、調節部材230は、ステップ231、232および/または233の2つ以上の組を含むことができ、アンビルプレート134は、位置付け面145、146および/または147の2つ以上の組を含むことができる。第1ステップ231および第1位置付け面145は、アンビルプレート134の位置を制御するように構成されると前述されたが、調節部材230の第2および第3ステップ(232,233)、ならびにアンビルプレート134の第2および第3位置付け面(146,147)もまた、それぞれ、アンビルプレート134の位置を制御するように構成され得る。しかし、簡略にするために、本例は、アンビルプレート134の位置を制御する面として、第1面またはステップ231を参照して説明されるが、読者は、ステップ232および233もまた、アンビルプレート134の位置を制御できることを理解するであろう。  In various embodiments, in addition to the foregoing, a surgical stapling instrument, such as, for example, staplinginstrument 100 can include a portion of an anvil, such asanvil plate 134, another portion of an anvil assembly, and / or an opposing staple cartridge. Can include one or more adjustment members configured to be positioned. In certain embodiments, referring to FIGS. 18 and 19, the staplinginstrument 100 can include an anvilplate adjustment member 230 that can be configured to limit the operating range of theanvil plate 134. In at least one such embodiment, referring to FIGS. 20 and 21, theadjustment member 230 may be positioned intermediate theanvil plate 134 in a first position, where the first of theadjustment member 230 is the first position. A surface or step 231 is positioned intermediate thebase 138 of theanvil channel 136 and thefirst positioning surface 145 of theanvil plate 134. In such a first position, thefirst step 231 can determine the amount of possible or allowed relative movement between theanvil plate 134 and theanvil channel 136. For example, when theanvil 130 is clamped against tissue as described above, theanvil plate 134 contacts the tissue and moves upward toward the base 138 until thefirst positioning surface 145 contacts thefirst step 231. Can slide to. Once thesurface 145 and step 231 are in contact, theadjustment member 230 can prevent or at least inhibit theanvil plate 134 from moving further toward thebase 138. In at least one such embodiment, as a result, theadjustment member 230 acts as a stop so that the distance between the base 138 and thetissue contacting surface 148 of theanvil plate 134 can be defined by thefirst distance 234. can do. Thebase 138 is used as a reference surface in this example, but other parts of theanvil 130 and / or an opposing staple cartridge may be used as the reference surface, for example. When theadjustment member 230 is in its first position, as described above, the second surface or step 232 of theadjustment member 230 can be positioned intermediate thebase 138 and thesecond positioning surface 146 of theanvil plate 134; In addition, the third surface or step 233 can be positioned midway between the base 138 and thethird positioning surface 147. Referring to FIG. 20, theadjustment member 230 can include two or more sets ofsteps 231, 232 and / or 233, and theanvil plate 134 includes two or more of the positioning surfaces 145, 146 and / or 147. A set can be included. Although thefirst step 231 and thefirst positioning surface 145 are described above as being configured to control the position of theanvil plate 134, the second and third steps (232, 233) of theadjustment member 230, and the anvil plate The second and third positioning surfaces (146, 147) of 134 may also be configured to control the position of theanvil plate 134, respectively. However, for simplicity, this example will be described with reference to the first surface or step 231 as the surface that controls the position of theanvil plate 134, but the reader will also note thatsteps 232 and 233 are also It will be understood that the position of 134 can be controlled.

ある実施形態では、調節部材230の第1位置は、比較的小さい、すなわち短いステープル成形高さを提供することができる。他の実施形態では、図示はされていないが、調節部材の第1位置は、中間の、比較的大きな、および/または、任意の他の適切な、ステープル成形高さを提供することができる。調節部材の第1位置に関連する成形高さが適切である場合に、外科医は、前述されたように組織をステープリングおよび/または切開するように外科用ステープリング器具を使用し始めることができる。しかしながら、ステープル成形高さが不適切である場合、調節部材230は、アンビルプレート134がアンビル130とステープルカートリッジ150との中間に位置付けられた組織に接触するとき、アンビルプレート134が異なる距離、上方にスライドすることを可能にし得るように、外科医または他の臨床医は、調節部材230を動かすことができる。少なくとも1つのそのような状況では、アンビルプレート134が上方にスライドすることを許容されている距離は、より大きくなり、それにより、より大きな成形高さをステープルに提供することができる。それに対応して、他の状況では、例えば、アンビルプレート134が組織と接触しているとき、アンビルプレート134はより短い距離、上方へスライドし、それにより、より短いステープル成形高さを提供することができるように、調節部材は動かされ得る。用語「上方」等は、垂直方向上方を意味することができるが、この用語はそのように限定されず、むしろ「上方」は、例えば、アンビルの基部に向かう、および/またはステープルカートリッジから離れる、任意の方向を意味することができる。いずれの場合でも、調節部材230は、ステープル成形高さを増すために、図21に図示されている第1位置と、図22に図示されている第2位置との間で動かされ得る。図22中で矢印「P」により示されているように、調節部材230は、その第1位置と第2位置との間で調節部材230を動かすために、近位にスライドさせられ得るが、調節部材が、調節部材230を調節するために、遠位および/または任意の他の方向にスライドさせられ得る、実施形態が想到される。いったん調節部材230がその第2位置に動かされたら、図22を参照すると、第1面またはステップ231は、基部138とアンビルプレート134の第2位置付け面146との中間に位置付けられ得る。そのような第2位置では、第1ステップ231は、アンビルプレート134とアンビルチャネル136との間に許容される相対運動の量を再度、定めることができる。少なくとも1つの実施形態では、上記と同様に、調節部材230は、基部138とアンビルプレート134の組織接触面148との間の距離が第2距離235により定められ得るように、停止部として作用することができる。  In certain embodiments, the first position of theadjustment member 230 can provide a relatively small or short stapling height. In other embodiments, not shown, the first position of the adjustment member can provide an intermediate, relatively large, and / or any other suitable staple forming height. When the forming height associated with the first position of the adjustment member is appropriate, the surgeon can begin using the surgical stapling instrument to stap and / or dissect tissue as described above. . However, if the staple forming height is inadequate, theadjustment member 230 causes theanvil plate 134 to move upwards a different distance when theanvil plate 134 contacts tissue positioned intermediate theanvil 130 and thestaple cartridge 150. A surgeon or other clinician can move theadjustment member 230 to allow it to slide. In at least one such situation, the distance that theanvil plate 134 is allowed to slide upwards can be greater, thereby providing greater forming height to the staples. Correspondingly, in other situations, for example, when theanvil plate 134 is in contact with tissue, theanvil plate 134 slides upward a shorter distance, thereby providing a shorter stapling height. The adjustment member can be moved so that The term “above” or the like can mean vertically upward, but the term is not so limited; rather, “upper” means, for example, toward the base of the anvil and / or away from the staple cartridge, Any direction can be implied. In any case, theadjustment member 230 can be moved between the first position illustrated in FIG. 21 and the second position illustrated in FIG. 22 to increase the staple forming height. As indicated by arrow “P” in FIG. 22, theadjustment member 230 can be slid proximally to move theadjustment member 230 between its first and second positions, Embodiments are contemplated where the adjustment member can be slid distally and / or in any other direction to adjust theadjustment member 230. Once theadjustment member 230 has been moved to its second position, referring to FIG. 22, the first surface or step 231 can be positioned intermediate thebase 138 and thesecond positioning surface 146 of theanvil plate 134. In such a second position, thefirst step 231 can again determine the amount of relative motion allowed between theanvil plate 134 and theanvil channel 136. In at least one embodiment, similar to the above, theadjustment member 230 acts as a stop so that the distance between the base 138 and thetissue contacting surface 148 of theanvil plate 134 can be defined by thesecond distance 235. be able to.

前述に加えて、調節部材230は、再度ステープル成形高さを増すために、図22に図示されている第2位置と、図23に図示されている第3位置との間で動かされ得る。図23中で矢印「P」により示されているように、調節部材230は、調節部材230をその第2位置と第3位置との間で動かすために、近位にスライドさせられ得る。いったん調節部材230がその第3位置に動かされたら、図23を参照すると、第1面またはステップ231は、基部138と第3位置付け面147との中間に位置付けられ得る。そのような第3位置では、第1ステップ231は、アンビルプレート134とアンビルチャネル136との間での相対運動の量を再度、定めることができる。少なくとも1つの実施形態では、上記と同様に、調節部材230は、基部138とアンビルプレート134の組織接触面148との間の距離が第3距離236により定められ得るように、停止部として作用することができる。調節部材230は、3つの異なるステープル成形高さを提供するために前述されたように3つの位置の間で選択的に動かされ得るが、3つを超える異なるステープル成形高さを提供するために3つを超える位置の間で動かされ得る調節部材を含む、他の実施形態が想到される。例えば、調節部材は、4つのステープル成形高さを提供するために、4つの位置の間で可動であり得る。2つのステープル成形高さを提供するために2つの位置の間で動かされ得る調節部材を含む、さらなる実施形態が想到される。さらに、調節部材230の面またはステップ231,232および233は降順に配列されているが、それら面またはステップが昇順に配列される、他の配列が想到される。面またはステップが昇順または降順のいずれかに必ずしも配列されない、他の配列が想到される。同様に、アンビルプレート134の位置付け面145,146および147は、昇順、降順(図20)、および/または任意の他の適切な順番で配列され得る。さらに、調節部材230は、軸に沿ってスライドさせられ得るが、調節部材が、例えば湾曲状および/または曲線的な通路などの任意の適切な通路に沿って動かされ得る、他の実施形態が想到される。  In addition to the foregoing, theadjustment member 230 can be moved between the second position illustrated in FIG. 22 and the third position illustrated in FIG. 23 to again increase the staple forming height. As indicated by arrow “P” in FIG. 23, theadjustment member 230 can be slid proximally to move theadjustment member 230 between its second and third positions. Once theadjustment member 230 has been moved to its third position, referring to FIG. 23, the first surface or step 231 can be positioned intermediate thebase 138 and thethird positioning surface 147. In such a third position, thefirst step 231 can again determine the amount of relative motion between theanvil plate 134 and theanvil channel 136. In at least one embodiment, as described above, theadjustment member 230 acts as a stop so that the distance between the base 138 and thetissue contacting surface 148 of theanvil plate 134 can be defined by athird distance 236. be able to. Theadjustment member 230 can be selectively moved between three positions as described above to provide three different staple forming heights, but to provide more than three different staple forming heights. Other embodiments are contemplated that include an adjustment member that can be moved between more than three positions. For example, the adjustment member can be movable between four positions to provide four staple forming heights. Further embodiments are contemplated that include an adjustment member that can be moved between two positions to provide two staple forming heights. Furthermore, although the surfaces of theadjustment member 230 orsteps 231, 232 and 233 are arranged in descending order, other arrangements are conceivable in which the faces or steps are arranged in ascending order. Other arrangements are envisioned where the planes or steps are not necessarily arranged in either ascending or descending order. Similarly, the positioning surfaces 145, 146 and 147 of theanvil plate 134 may be arranged in ascending order, descending order (FIG. 20), and / or any other suitable order. Further, although theadjustment member 230 can be slid along an axis, other embodiments are possible where the adjustment member can be moved along any suitable path, such as a curved and / or curved path, for example. It is conceived.

前述されたように、図21を参照すると、調節部材230は、3つの面またはステップ231,232および233を含むことができ、一方でアンビルプレート134は、3つの対応する調節面145,146および147を含むことができる。例えば、調節部材230がその第1位置にあるとき、第1面231は、第1面231が第1調節面145に当接するか、または隣接するように位置付けられ得、第2面232は、第2面232が第2調節面146に当接するか、または隣接するように位置付けられ得、第3面233は、第3面233が第3調節面147に当接するか、または隣接するように位置付けられ得る。調節部材230がアンビルプレート134に対してスライドさせられると、前述されたように、そして図22および図23を参照すると、調節部材230の面231,232および233は、順次、アンビルプレート134の面145,146および147に対する指標とされ得る(indexed)。少なくとも1つのそのような実施形態では、調節部材は、アンビルプレート上の位置付け面の数と同数のステップを有することができる。調節部材がアンビルプレート上の位置付け面よりも多い数のステップを有する、他の実施形態が想到される。少なくとも1つのそのような実施形態では、アンビルプレートは、1つの位置付け面を含むことができ、調節部材のステップは、例えばアンビルプレートの上方運動を制限するために選択的に利用され得る。様々な実施形態では、概して調節部材230およびアンビルプレート134を参照すると、アンビルプレートは、例えば位置付け面145などの1つの位置付け面を含んでよく、例えば、調節部材230のステップ231,232および223は、基部138と位置付け面145との中間に選択的に位置付けられ得る。そのような実施形態では、第1ステップ231は、第1ステープル成形高さを定めるためにアンビルプレート134の上方運動を停止させるか、または制限することができる第1厚さすなわち第1高さを有することができ、第2ステップ232は、第2ステープル成形高さを定めるためにアンビルプレート134の上方運動を停止させるか、または制限することができる第2厚さすなわち第2高さを有することができ、それに加えて、第3ステップ233は、第3ステープル成形高さを定めるためにアンビルプレート134の上方運動を停止させるか、または制限することができる第3厚さすなわち第3高さを有することができる。少なくとも1つの実施形態では、ステップ231,232および/または233の厚みすなわち高さは、調節部材230の背面237と、アンビルプレート134に接触することになるステップ(231,232,233)の面との間で測定され得る。様々な実施形態では、第1ステップ231と第2ステップ232との間の高さ、すなわち厚みにおける相違は、第2ステップ232と第3ステップ233との間の高さ、すなわち厚みにおける相違と同一、または少なくとも実質的に同一であり得る。少なくとも1つのそのような実施形態では、その結果、ステップ高さは、線形比率、または少なくとも実質的に線形の比率で増加することができる。代替実施形態では、第1ステップと第2ステップとの間の高さ、すなわち厚みにおける相違は、第2ステップと第3ステップとの間の高さ、すなわち厚みにおける相違とは異なり得る。少なくとも1つのそのような実施形態では、第1、第2および第3ステップは、高さ、すなわち厚みが線形比率で増加または減少しなくてもよく、むしろ、図示はされていないが、ステップは、高さ、すなわち厚みが非線形および/または幾何数列的な比率で増加または減少してもよい。  As described above, referring to FIG. 21,adjustment member 230 can include three surfaces orsteps 231, 232 and 233, whileanvil plate 134 includes three corresponding adjustment surfaces 145, 146 and 147 may be included. For example, when theadjustment member 230 is in its first position, thefirst surface 231 can be positioned such that thefirst surface 231 abuts or is adjacent to thefirst adjustment surface 145, and thesecond surface 232 is Thesecond surface 232 may be positioned such that it abuts or is adjacent to thesecond adjustment surface 146, and thethird surface 233 is such that thethird surface 233 abuts or is adjacent to thethird adjustment surface 147. Can be positioned. When theadjustment member 230 is slid relative to theanvil plate 134, and as described above, and with reference to FIGS. 22 and 23, thesurfaces 231, 232 and 233 of theadjustment member 230 are in turn the surface of theanvil plate 134. Indexed to 145, 146 and 147. In at least one such embodiment, the adjustment member can have as many steps as the number of positioning surfaces on the anvil plate. Other embodiments are contemplated in which the adjustment member has a greater number of steps than the positioning surface on the anvil plate. In at least one such embodiment, the anvil plate can include one positioning surface, and the step of the adjustment member can be selectively utilized, for example, to limit upward movement of the anvil plate. In various embodiments, referring generally toadjustment member 230 andanvil plate 134, the anvil plate may include one positioning surface, such aspositioning surface 145, for example, steps 231, 232 and 223 ofadjustment member 230 include , And can be selectively positioned midway between the base 138 and thepositioning surface 145. In such embodiments, thefirst step 231 determines a first thickness or height that can stop or limit the upward movement of theanvil plate 134 to define a first staple forming height. Thesecond step 232 has a second thickness or height that can stop or limit the upward movement of theanvil plate 134 to define a second staple forming height. In addition, thethird step 233 can increase a third thickness or height that can stop or limit the upward movement of theanvil plate 134 to define a third staple forming height. Can have. In at least one embodiment, the thickness or height ofsteps 231, 232 and / or 233 is such that theback surface 237 ofadjustment member 230 and the surface of step (231, 232, 233) that will contactanvil plate 134. Can be measured between. In various embodiments, the difference in height, ie thickness, between thefirst step 231 and thesecond step 232 is the same as the difference in height, ie thickness, between thesecond step 232 and thethird step 233. Or at least substantially the same. In at least one such embodiment, the step height can then be increased by a linear ratio, or at least a substantially linear ratio. In an alternative embodiment, the difference in height, i.e. thickness, between the first step and the second step may be different from the difference in height, i.e. thickness, between the second step and the third step. In at least one such embodiment, the first, second and third steps may not increase or decrease in height, i.e., thickness, in a linear ratio; rather, although not illustrated, the steps are The height, i.e. the thickness, may increase or decrease in a non-linear and / or geometric sequence ratio.

前述されたように、例えば調節部材230などの調節部材は、2つ以上の位置の間で可動であり得る。様々な実施形態では、外科用ステープリング器具は、調節部材を動かすように構成されたアクチュエータを含むことができる。少なくとも1つの実施形態では、図17〜図20を参照すると、外科用ステープリング器具100は、調節部材230に作用可能に取り付けられ得るアクチュエータ250を含むことができ、それにより、力がアクチュエータ250にかけられて調節部材230に伝達され得るようになっている。ある実施形態では、アクチュエータ250は、前述されたようにアンビル130内部で調節部材230を前進または後退させるために、例えば外科医によって把持されるように構成され得る把持部分すなわちハンドル252を含むことができる。ある実施形態では、把持部分252は、アクチュエータ本体251から延びることができ、アクチュエータ本体251は、調節部材230の少なくとも一部分を受容するように構成され得る、1つ以上の開口部、スロット、またはキャビティ253を含むことができる。少なくとも1つのそのような実施形態では、図19を参照すると、調節部材230は、その調節部材230から延びるロック254を含むことができ、ロック254の少なくとも一部分は、アクチュエータ本体251を調節部材230に確保させるために開口部253内部に受容され得る。様々な実施形態では、ロック254は、1つ以上の弾力性または可撓性のレッグ255を含むことができ、レッグ255は、開口部253に挿入されるとき変形させられるが、レッグ255の足部256が開口部253を通して十分に押し込まれた後、それらレッグ255の非収縮位置に弾力的に戻る、あるいは少なくとも部分的に戻ることができる。少なくとも1つのそのような実施形態では、足部256は、アクチュエータ本体251が調節部材230から分離されることを防ぐ、あるいは少なくとも抑制することができる。  As described above, an adjustment member, such asadjustment member 230, for example, can be movable between two or more positions. In various embodiments, the surgical stapling instrument can include an actuator configured to move the adjustment member. In at least one embodiment, referring to FIGS. 17-20, thesurgical stapling instrument 100 can include anactuator 250 that can be operatively attached to theadjustment member 230 such that a force is applied to theactuator 250. And can be transmitted to the adjustingmember 230. In certain embodiments, theactuator 250 can include a gripping portion or handle 252 that can be configured to be gripped, for example, by a surgeon, to advance or retract theadjustment member 230 within theanvil 130 as described above. . In certain embodiments, the grippingportion 252 can extend from theactuator body 251, and theactuator body 251 can be configured to receive at least a portion of theadjustment member 230, one or more openings, slots, or cavities. 253 can be included. In at least one such embodiment, referring to FIG. 19, theadjustment member 230 can include alock 254 extending from theadjustment member 230, at least a portion of thelock 254 causing theactuator body 251 to attach to theadjustment member 230. It can be received inside theopening 253 for securing. In various embodiments, thelock 254 can include one or more resilient orflexible legs 255 that are deformed when inserted into theopening 253, but the legs of thelegs 255. After theportions 256 are fully pushed through theopenings 253, they can be elastically returned to the non-contracted positions of thelegs 255, or at least partially returned. In at least one such embodiment, thefoot 256 can prevent or at least inhibit theactuator body 251 from being separated from theadjustment member 230.

様々な実施形態では、前述に加えて、外科用ステープリング器具100は、アクチュエータ250および/または調節部材230を適所に保持する、あるいは解放可能に保持するように構成され得る、戻り止め機構をさらに含むことができる。少なくとも1つの実施形態では、図19を参照すると、戻り止め機構260は、アクチュエータ250に取り付けられ得、少なくともいくつかの実施形態では、アクチュエータ本体251は、戻り止め部材260の戻り止め本体261を内部に受容および/または確保するように構成され得る1つ以上のチャネル、溝、または凹部257を含むことができる。少なくとも1つの実施形態では、戻り止め本体261は、例えば、戻り止め本体261をアクチュエータ251に固定するための1つ以上の留め具を受容するように構成され得る、1つ以上の開口部263および/または任意の他の適切なチャネル、スロット、もしくは溝を含むことができる。戻り止め部材260は、例えば第1フレーム部分110内の1つ以上の凹部、開口部、または溝101(図2〜図7)に係合するように構成され得る、戻り止めレッグ262をさらに含むことができる。より詳細には、図2および図3を参照すると、各側方フランジ128が、そこに画定された1つ以上の凹部101(101a,101bおよび101c)を含むことができ、戻り止めレッグ262は、戻り止めレッグ262が、凹部101内へスライドさせられたり凹部101外へスライドさせられたりすることができるように、側方フランジ128の上面に係合するように付勢され得る。図示された実施形態では、各側方フランジは、アクチュエータ250を第1の遠位位置、第2の中間位置、および第3の近位位置に取り外し可能に保持するように構成され得る、3つの凹部101を含むことができ、アクチュエータ250の第1、第2および第3の位置は、それぞれ前述された調節部材230の第1、第2および第3位置と対応することができる。例えば、アクチュエータ250がその第1の遠位位置にある場合、戻り止め部材260の戻り止めレッグ262は、アクチュエータ250および調節部材230をそれらの第1位置に取り外し可能に確保するように、凹部101a内部に位置付けられ得る。十分な力が加えられると、アクチュエータ250は、その第2位置へ近位に動かされ得、それにより、戻り止めレッグ162は、凹部101b内部に位置付けられて、アクチュエータ250および調節部材230はそれらの第2位置に確保されるようになっている。同様に、十分な力が加えられると、アクチュエータ250は、その第3位置へ近位に動かされ得、それにより、戻り止めレッグ162は、凹部101c内部に位置付けられて、アクチュエータ250および調節部材230は、それらの第3位置に確保されるようになっている。様々な実施形態では、戻り止めレッグ162は、アクチュエータ250がその第1位置および/または第2位置に戻され得るように、構成され得る。  In various embodiments, in addition to the foregoing,surgical stapling instrument 100 further includes a detent mechanism that can be configured to holdactuator 250 and / oradjustment member 230 in place or releasably. Can be included. In at least one embodiment, referring to FIG. 19, thedetent mechanism 260 can be attached to theactuator 250, and in at least some embodiments, theactuator body 251 includes thedetent body 261 of thedetent member 260 inside. One or more channels, grooves, or recesses 257 may be included that may be configured to be received and / or secured. In at least one embodiment, thedetent body 261 can be configured to receive one ormore fasteners 263, for example, to secure thedetent body 261 to theactuator 251, and / Or any other suitable channel, slot, or groove may be included. Thedetent member 260 further includes adetent leg 262 that may be configured to engage, for example, one or more recesses, openings, or grooves 101 (FIGS. 2-7) in thefirst frame portion 110. be able to. More particularly, referring to FIGS. 2 and 3, eachside flange 128 can include one or more recesses 101 (101a, 101b and 101c) defined therein, and thedetent legs 262 are Thedetent leg 262 can be biased to engage the upper surface of theside flange 128 so that it can be slid into and out of the recess 101. In the illustrated embodiment, each side flange can be configured to removably hold theactuator 250 in a first distal position, a second intermediate position, and a third proximal position. The recess 101 can be included, and the first, second, and third positions of theactuator 250 can correspond to the first, second, and third positions of theadjustment member 230 described above, respectively. For example, when theactuator 250 is in its first distal position, thedetent legs 262 of thedetent member 260 are recessed 101a to releasably secure theactuator 250 and theadjustment member 230 in their first position. Can be positioned inside. When sufficient force is applied, theactuator 250 can be moved proximally to its second position so that thedetent leg 162 is positioned within therecess 101b and theactuator 250 and theadjustment member 230 are in their position. It is secured in the second position. Similarly, when sufficient force is applied, theactuator 250 can be moved proximally to its third position so that thedetent leg 162 is positioned within therecess 101c and theactuator 250 andadjustment member 230. Are secured in their third position. In various embodiments, thedetent leg 162 can be configured such that theactuator 250 can be returned to its first and / or second position.

前述されたように、調節部材230は、アクチュエータ250によって、2つ以上の位置の間の所定通路に沿って動かされ得る。様々な実施形態では、例えば、外科用ステープリング器具100は、調節部材230および/またはアクチュエータ250の運動を制御または制限するための1つ以上のガイドを含むことができる。いくつかの実施形態では、調節部材230は、アンビル130の側壁137が調節部材230をガイドすることができるように、側壁137の間に密接に受容され得る。少なくとも1つのそのような実施形態では、側壁137は、調節部材230の側方運動または側側運動(side-to-side movement)を制御または制限するように構成され得る。様々な実施形態では、戻り止め部材160の戻り止めレッグ162は弾力部材を含むことができ、この弾力部材は、上方付勢力すなわち上方牽引力を調節部材230にかけて、調節部材230を基部138に押し付けて、あるいは少なくとも基部138に隣接して、かつ側壁137の中間に、位置付けるように構成され得る。ある実施形態では、図19を参照すると、アンビル130の基部138は、ガイドスロット149をさらに含むことができ、このガイドスロット149は、ガイドスロット149が調節部材230およびアクチュエータ250の運動を制限することができるように、調節部材230および/またはアクチュエータ250の少なくとも一部分を内部に受容するように構成され得る。少なくとも1つのそのような実施形態では、調節部材230のロック254は、ガイドスロット149を通って延びるように構成され得、それにより、ロック254が前述されたようにアクチュエータ250の開口部253に挿入されると、アンビル130の基部138は、調節部材230とアクチュエータ250との中間に捕獲され得るようになっている。ある実施形態では、ガイドスロット149は、ロック254の運動を制限するように構成され得、それにより、調節部材230は、調節部材230がその第1位置すなわち最遠位位置にある場合、遠位に動かされることを妨げられる、あるいは少なくとも抑制されることができ、同様に、調節部材230がその第3の位置すなわち最近位位置にある場合、近位に動かされることを妨げられる、あるいは少なくとも抑制されることができるようになっている。  As previously described, theadjustment member 230 can be moved along a predetermined path between two or more positions by theactuator 250. In various embodiments, for example, thesurgical stapling instrument 100 can include one or more guides for controlling or limiting the movement of theadjustment member 230 and / or theactuator 250. In some embodiments, theadjustment member 230 can be closely received between theside walls 137 so that theside wall 137 of theanvil 130 can guide theadjustment member 230. In at least one such embodiment, theside wall 137 may be configured to control or limit the lateral or side-to-side movement of theadjustment member 230. In various embodiments, thedetent leg 162 of thedetent member 160 can include a resilient member that applies an upward biasing force, ie, an upper traction force, to theadjustment member 230 to press theadjustment member 230 against thebase 138. Or at least adjacent to thebase 138 and in the middle of theside wall 137. In certain embodiments, referring to FIG. 19, thebase 138 of theanvil 130 can further include aguide slot 149, which guideslot 149 restricts movement of theadjustment member 230 and theactuator 250. Can be configured to receive at least a portion of theadjustment member 230 and / or theactuator 250 therein. In at least one such embodiment, thelock 254 of theadjustment member 230 can be configured to extend through theguide slot 149 such that thelock 254 is inserted into theopening 253 of theactuator 250 as described above. Then, thebase 138 of theanvil 130 can be captured in the middle of theadjustment member 230 and theactuator 250. In certain embodiments, theguide slot 149 may be configured to limit the movement of thelock 254 so that theadjustment member 230 is distal when theadjustment member 230 is in its first or most distal position. Can be prevented or at least inhibited from being moved, and similarly, when theadjustment member 230 is in its third or proximal position, it can be prevented from being moved proximally or at least inhibited. Be able to be.

様々な実施形態では、前述に加えて、例えば戻り止め部材260に類似する戻り止め部材は、第1ハンドル部分102および第2ハンドル部分104を互いから離れるように付勢するために利用され得る。少なくとも1つの実施形態では、図37を参照すると、外科用ステープリング器具100’は、アンビル130とステープルカートリッジ150との間にギャップが存在するよう、第1ハンドル部分102および第2ハンドル部分104を位置付けるように構成された戻り止め部材260’を含むことができる。上記で概説されたように、そのような特徴は、外科医が第1および第2ハンドル部分を互いから離れるように保持する必要なく、外科用器具を容易に操作することを可能にすることができる。ある実施形態では、戻り止め部材260’から延びる戻り止めレッグ262’が、フランジ128を接触することができ、圧迫されると、第1および第2ハンドル部分に付勢力をかけることができるように、戻り止め部材260’は、第2ハンドル部分104に十分に据え付けられ得る。図37に見出されるように、レッグ262’は、フランジ128の接触面101bに接触することができる。戻り止めレッグ262’を圧迫するために、ラッチ機構180は、ラッチアーム188がラッチ突出部131に係合してラッチ突出部131を少なくとも部分的に取り囲むことができるように、部分的に閉鎖された位置へ動かされ得る。この構成では、外科医が、器具を操作して、その器具の位置に満足した場合、ラッチ機構180を閉鎖された位置へ動かして、戻り止めレッグ262’をさらに圧迫することができる。上記と同様に、アクチュエータ250が前述されたようにその第1、第2および第3の位置の間で動かされるとき、レッグ262’が、それぞれ凹部101a、101bおよび101cに係合することができるように、戻り止め部材260’は、アクチュエータ250に固定されるか、または別様にアクチュエータ250と作用可能に係合させられ得る。少なくとも1つのそのような実施形態では、その結果、アクチュエータ250は、アクチュエータ250がその第1位置に対して遠位に位置付けられた前段階位置を有することができ、それに加えて、面101bは、前段階面を含むことができ、アクチュエータ250がその前段階位置にあるとき、レッグ262’が、この前段階面に対して位置付けられ得る。  In various embodiments, in addition to the foregoing, a detent member, eg, similar todetent member 260, can be utilized to biasfirst handle portion 102 andsecond handle portion 104 away from each other. In at least one embodiment, referring to FIG. 37, thesurgical stapling instrument 100 ′ includes afirst handle portion 102 and asecond handle portion 104 such that a gap exists between theanvil 130 and thestaple cartridge 150. A detent member 260 'can be included that is configured to be positioned. As outlined above, such features can allow the surgeon to easily manipulate the surgical instrument without having to hold the first and second handle portions away from each other. . In certain embodiments, a detent leg 262 'extending from the detent member 260' can contact theflange 128 and, when compressed, can exert a biasing force on the first and second handle portions. Thedetent member 260 ′ can be fully seated on thesecond handle portion 104. As can be seen in FIG. 37, theleg 262 ′ can contact thecontact surface 101 b of theflange 128. To compress thedetent leg 262 ′, thelatch mechanism 180 is partially closed so that thelatch arm 188 can engage thelatch protrusion 131 and at least partially surround thelatch protrusion 131. Can be moved to another position. In this configuration, when the surgeon manipulates the instrument and is satisfied with the position of the instrument, thelatch mechanism 180 can be moved to the closed position to further compress the detent leg 262 '. Similar to the above, when theactuator 250 is moved between its first, second and third positions as described above, the leg 262 'can engage therecesses 101a, 101b and 101c, respectively. As such,detent member 260 ′ can be secured toactuator 250 or otherwise operatively engaged withactuator 250. In at least one such embodiment, as a result, theactuator 250 can have a pre-stage position where theactuator 250 is positioned distal to its first position, in addition, thesurface 101b can be A front stage surface can be included and the leg 262 'can be positioned relative to this front stage surface when theactuator 250 is in its previous stage position.

上記で概説されたように、調節部材は、外科用ステープリング器具により配備されるステープルの成形高さを調節するように、第1位置と第2位置との間でスライドすなわち並進運動させられ得る。様々な実施形態では、図示はされていないが、調節部材は、例えばアンビルプレートを対向するステープルカートリッジに向かうように、および/またはステープルカートリッジから離れるように確実に転置するように構成され得る。少なくとも1つのそのような実施形態では、外科用ステープリング器具は、例えば調節部材に対してアンビルプレートを位置付けるように構成された、バネなどの1つ以上の付勢部材を含むことができ、それにより、調節部材がその第1位置と第2位置との間で動かされるときに、調節部材は、第1および第2ステープル成形高さを設定するために、第1位置と第2位置と間でアンビルプレートを転置することができるようになっている。様々な実施形態では、上記の結果として、調節部材は、アンビルの一部分を適所にカム運動させる(cam)ように構成され得る。少なくとも1つのそのような実施形態では、調節部材は、アンビルプレートを確実に転置するために軸に沿ってスライドさせられ得る。他の実施形態では、回転可能な調節部材は、例えばアンビルプレートをステープルカートリッジに向かうように、および/またはステープルカートリッジから離れるように確実に転置するように構成され得る。  As outlined above, the adjustment member can be slid or translated between the first position and the second position to adjust the forming height of the staples deployed by the surgical stapling instrument. . In various embodiments, although not shown, the adjustment member may be configured to securely transpose, for example, the anvil plate toward and / or away from the opposing staple cartridge. In at least one such embodiment, the surgical stapling instrument can include one or more biasing members, such as springs, configured to position the anvil plate relative to the adjustment member, for example. When the adjustment member is moved between its first and second positions, the adjustment member is positioned between the first position and the second position to set the first and second staple forming heights. The anvil plate can be transposed. In various embodiments, as a result of the above, the adjustment member can be configured to cam a portion of the anvil in place. In at least one such embodiment, the adjustment member can be slid along the axis to securely transpose the anvil plate. In other embodiments, the rotatable adjustment member may be configured to securely transpose the anvil plate, for example, toward the staple cartridge and / or away from the staple cartridge.

前述に加えて、以下にさらなる詳細が説明されるように、調節部材は、ステープル成形高さを調節するために回転させられ得る。図24〜図36を参照すると、外科用器具100’は、上記と同様に、アンビル130’とステープルカートリッジ150’との中間の組織をクランピングするために利用され得る、第1ハンドル部分102’、第2ハンドル部分104’、およびラッチ機構180’を含むことができる。図25を参照すると、これもまた上記と同様に、ラッチ機構180’は、1つ以上の旋回軸ピン182’によって第1部分102’に旋回可能に連結され得、ラッチ機構180’は、第2部分104’に係合して、第1および第2ハンドル部分を共にラッチ掛けするように構成され得る、1つ以上のラッチアーム188’を含むことができる。これもまた上記と同様に、図25および図27を参照すると、外科用器具100’は、エンドエフェクタ120’内部で切断部材および/またはステープルスレッドを前進させるように構成され得るプッシュバー組立体200’をさらに含むことができる。少なくとも1つのそのような実施形態では、プッシュバー組立体200’は、近位端203’およびアクチュエータ204’を含むことができ、アクチュエータ204’は、近位端203’に回転可能に据え付けられ得、かつ、ステープリング器具100’の第1および第2側部に選択的に位置付けられ得る。様々な実施形態では、外科用ステープリング器具100’は、外科用ステープリング器具100に関連して説明された特徴と同一または同様の特徴を含むことができ、器具100と同一方法または同様の方法で操作され得、よって、この詳細は、ここでは繰り返さない。  In addition to the foregoing, the adjustment member can be rotated to adjust the staple forming height, as will be described in further detail below. Referring to FIGS. 24-36,surgical instrument 100 ′ may be utilized to clamp tissueintermediate anvil 130 ′ andstaple cartridge 150 ′, similar to the above,first handle portion 102 ′. , Asecond handle portion 104 ′, and alatch mechanism 180 ′. Referring to FIG. 25, also as described above, thelatch mechanism 180 ′ can be pivotally connected to thefirst portion 102 ′ by one or more pivot shaft pins 182 ′, and thelatch mechanism 180 ′ One ormore latch arms 188 ′ may be included that may be configured to engage the twoportions 104 ′ and latch the first and second handle portions together. Again, referring to FIGS. 25 and 27, thesurgical instrument 100 ′ may be configured to advance the cutting member and / or staple sled within theend effector 120 ′. 'Can be further included. In at least one such embodiment, thepush bar assembly 200 ′ can include aproximal end 203 ′ and anactuator 204 ′, which can be rotatably mounted on theproximal end 203 ′. And can be selectively positioned on the first and second sides of the stapling instrument 100 '. In various embodiments,surgical stapling instrument 100 ′ can include features that are the same as or similar to the features described in connection withsurgical stapling instrument 100, and can be the same or similar methods asinstrument 100. Therefore, this detail will not be repeated here.

様々な実施形態では、図27を参照すると、外科用器具100’は、異なるステープル成形高さを提供するために、少なくとも第1および第2位置に選択的に位置付けられ得る、回転可能な調節部材230’を含むことができる。ある実施形態では、外科用器具100’は、調節部材230’に作用可能に接続され得るアクチュエータ250’を含むことができ、アクチュエータ250’が調節部材230’を少なくともその第1位置と第2位置との間で動かすことができるようになっている。少なくとも1つ実施形態では、図28を参照すると、アクチュエータ250’は、アクチュエータ本体251’、および把持部分すなわちハンドル252’を含むことができる。アクチュエータ本体251’は、調節部材230’の近位端238’を受容するように構成され得る開口部258’を含むことができ、それにより、回転動作、トルク、および/または力が、アクチュエータ250’と調節部材230’との間で伝達され得るようになっている。少なくとも1つのそのような実施形態では、図36を参照すると、開口部258’は、アクチュエータ本体251’とアクチュエータ230’との間の回転動作を伝達するように構成された、1つ以上の平坦駆動表面を含み得るプロファイル、および/または非円形プロファイルを含むことができる。ある実施形態では、開口部258’は、アクチュエータ230’の近位端238’を密接に受容するように寸法付けられ、かつ構成され得る。少なくとも1つの実施形態では、開口部258’は、プレス嵌めおよび/またはスナップ嵌め式に、近位端238’を受容するように構成され得る。様々な実施形態では、図28を再度参照すると、ハンドル部分104’は、1つ以上のスロット259’を含むことができ、そのスロット259’は、アクチュエータ本体251’の少なくとも一部分がそのスロットを通って延びることを可能にするように構成され得、それにより、把持部分252’が、ハンドル部分104’の少なくとも一部分が、把持部分252’とアクチュエータ本体251’との間に位置付けられている状態で、アクチュエータ本体251’に組み合わせられ得る。少なくとも1つのそのような実施形態では、第2ハンドル部分104’は、凹部253’をさらに含むことができ、この凹部253’は、把持部分252’の全てではなくとも、少なくとも一部分が凹部253’内部に位置付けられるように、構成され得る。ある実施形態では、凹部253’は、把持部分252’が第2ハンドル部分104’の上面よりも上に延びないように構成され得るが、他の実施形態では、把持部分252’の上部分が図30に図示されているように第2ハンドル部分104よりも上に延びることができ、それにより把持部分252’が外科医によって容易にアクセスされ得る。  In various embodiments, referring to FIG. 27, a rotatable adjustment member that can be selectively positioned in at least a first and a second position to provide thesurgical instrument 100 ′ to provide different stapling heights. 230 ′. In certain embodiments, thesurgical instrument 100 ′ can include anactuator 250 ′ that can be operatively connected to theadjustment member 230 ′, where theactuator 250 ′ places theadjustment member 230 ′ in at least its first and second positions. Can be moved between. In at least one embodiment, referring to FIG. 28, the actuator 250 'can include an actuator body 251' and a gripping portion or handle 252 '. Theactuator body 251 ′ can include anopening 258 ′ that can be configured to receive theproximal end 238 ′ of theadjustment member 230 ′ so that rotational motion, torque, and / or force can be applied to theactuator 250. It can be transmitted between 'and the adjusting member 230'. In at least one such embodiment, referring to FIG. 36, theopening 258 ′ is configured with one or more flats configured to transmit rotational motion between theactuator body 251 ′ and theactuator 230 ′. A profile that may include a drive surface and / or a non-circular profile may be included. In certain embodiments, the opening 258 'can be dimensioned and configured to closely receive the proximal end 238' of the actuator 230 '. In at least one embodiment, the opening 258 'can be configured to receive the proximal end 238' in a press-fit and / or snap-fit manner. In various embodiments, referring again to FIG. 28, thehandle portion 104 ′ can include one ormore slots 259 ′, where at least a portion of theactuator body 251 ′ passes through the slots. Can be configured to allow the grip portion 252 'to be positioned with at least a portion of the handle portion 104' positioned between the grip portion 252 'and the actuator body 251'. Can be combined with theactuator body 251 ′. In at least one such embodiment, thesecond handle portion 104 ′ can further include arecess 253 ′ that is at least partially recessed 253 ′ if not all of thegripping portion 252 ′. It can be configured to be positioned internally. In some embodiments, therecess 253 ′ may be configured such that thegrip portion 252 ′ does not extend above the top surface of thesecond handle portion 104 ′, while in other embodiments, the upper portion of thegrip portion 252 ′ As shown in FIG. 30, it can extend above thesecond handle portion 104 so that the gripping portion 252 'can be easily accessed by the surgeon.

様々な実施形態では、上記で概説されたように、調節部材は、外科用ステープラにより配備されたステープルの成形高さを調節するために、少なくとも第1位置と第2位置との間で回転可能であり得る。ある実施形態では、図28を参照すると、外科用ステープリング器具は、アンビル内部に回転可能に位置付けられた調節部材を含むことができ、調節部材は、可動性アンビル部分の相対運動を制限するように構成され得る。少なくとも1つのそのような実施形態では、外科用ステープリング器具100’は、保持ピンまたはガイドピン140’によりアンビルチャネル136’内部でスライド可能に確保され得るアンビルプレート134’を含むことができ、ガイドピン140’は、アンビルプレート134’が前述されたように組織と接触されると、アンビルプレート134’が上方にスライドすることができるように構成され得る。図27、図30および図31を参照すると、調節部材230’は、第1位置または第1向きに位置付けられ得、それによりアンビルチャネル136’内部でのアンビルプレート134’の上方運動を制限して、ステープルのステープル成形高さを決定することができるようになっている。少なくとも1つのそのような実施形態では、図30および図31を参照すると、調節部材230’は、アンビルチャネル136’の基部138’とアンビルプレート134’の位置付け面145’との中間に位置付けられ得る、対向する第1面231’を含むことができ、それにより、例えば、位置付け面145’が第1面231’の一方と接触すると、アンビルプレート134’の組織接触面148’が、アンビル130’上の基準面129’から第1距離234’離れて位置付けられ得るようになっている。それに対応して、成形面132’は、ステープルカートリッジから第1距離だけ離れて位置付けられ得、それにより、ステープルがステープルカートリッジから配備されるとき、ステープルは、第1ステープル高さまで変形させられ得る。前述に加えて、第1直径241’は、第1面231’の間に定められ得、第1直径241’は、アンビルチャネル136’内部でのアンビルプレート134’の最大上方位置を定めることができる。  In various embodiments, as outlined above, the adjustment member is rotatable between at least a first position and a second position to adjust the forming height of the staples deployed by the surgical stapler. It can be. In certain embodiments, referring to FIG. 28, the surgical stapling instrument can include an adjustment member rotatably positioned within the anvil, the adjustment member configured to limit relative movement of the movable anvil portion. Can be configured. In at least one such embodiment, thesurgical stapling instrument 100 ′ can include ananvil plate 134 ′ that can be slidably secured within theanvil channel 136 ′ by a retention pin orguide pin 140 ′, Thepin 140 ′ can be configured to allow theanvil plate 134 ′ to slide upward when theanvil plate 134 ′ is contacted with tissue as described above. Referring to FIGS. 27, 30 and 31, theadjustment member 230 ′ may be positioned in a first position or orientation, thereby limiting upward movement of theanvil plate 134 ′ within theanvil channel 136 ′. The staple forming height of the staple can be determined. In at least one such embodiment, referring to FIGS. 30 and 31, theadjustment member 230 ′ may be positioned intermediate the base 138 ′ of theanvil channel 136 ′ and thepositioning surface 145 ′ of theanvil plate 134 ′. , So that, for example, when thepositioning surface 145 ′ contacts one of thefirst surfaces 231 ′, thetissue contacting surface 148 ′ of theanvil plate 134 ′ becomes ananvil 130 ′. A first distance 234 'can be positioned away from the upper reference plane 129'. Correspondingly, the molding surface 132 'can be positioned a first distance away from the staple cartridge so that when the staple is deployed from the staple cartridge, the staple can be deformed to the first staple height. In addition to the foregoing, thefirst diameter 241 ′ may be defined between thefirst surfaces 231 ′, and thefirst diameter 241 ′ may define a maximum upper position of theanvil plate 134 ′ within theanvil channel 136 ′. it can.

上記で示されたように、調節部材230’は、ステープルの成形高さを調節するために回転させられ得る。様々な実施形態では、調節部材230’は、その第1位置または向き(図30および図31)と第2位置または向き(図32および図33)との間で回転させられ得る。少なくとも1つの実施形態では、図32および図33を参照すると、ハンドル252’は、調節部材230’をその第1位置と第2位置との間で動かすために、矢印「A」により示された方向に回転させられ得る。上記と同様に、アクチュエータ230’がその第2位置または向きにあるとき、アクチュエータ230’は、アンビルチャネル136’内部でのアンビルプレート134’の上方運動を制限してステープルのステープル成形高さを決定することができる。少なくとも1つのそのような実施形態では、図32および図33を参照すると、調節部材230’は、基部138’と位置付け面145’との中間に位置付けられ得る、対向する第2面232’を含むことができ、それにより、位置付け面145’が第2面232’の一方に接触すると、アンビルプレート134’の組織接触面148’が、例えば、基準面129’から第2距離235’離れて位置付けられ得るようになっている。それに対応して、成形面132’は、ステープルカートリッジから第2距離だけ離れて位置付けられ得、それにより、ステープルがステープルカートリッジから配備されると、ステープルは、第2ステープル高さまで変形させられ得るようになっている。様々な実施形態では、上記と同様に、第2直径242’が第2面232’の間に定められ得、第2直径242’は、アンビルチャネル136’内部でのアンビルプレート134’の最大上方位置を定めることができる。第1面231’および第2面232’は、平坦な、または少なくとも実質的に平坦な、面により定められ得るが、第1面231’および第2面232’が少なくとも部分的に弓形の、または湾曲された輪郭を含むことができる、他の実施形態が想到される。いずれの場合でも、図27を参照すると、調節部材230’は、アクチュエータ230’と保持ピン140’との間に間隙を提供するように構成され得る、1つ以上の間隙スロット240’を含んでよい。間隙スロット240’は、アクチュエータ230’がその第1位置、第2位置、および/または任意の他の適切な位置にあるとき、アクチュエータ230’と保持ピン140’との間に間隙を提供するように構成され得る。  As indicated above, the adjustment member 230 'can be rotated to adjust the forming height of the staples. In various embodiments, the adjustment member 230 'can be rotated between its first position or orientation (Figures 30 and 31) and a second position or orientation (Figures 32 and 33). In at least one embodiment, referring to FIGS. 32 and 33, handle 252 ′ is indicated by arrow “A” to moveadjustment member 230 ′ between its first and second positions. Can be rotated in the direction. As above, when the actuator 230 'is in its second position or orientation, the actuator 230' limits the upward movement of theanvil plate 134 'within the anvil channel 136' to determine the staple forming height of the staples. can do. In at least one such embodiment, referring to FIGS. 32 and 33, theadjustment member 230 ′ includes an opposingsecond surface 232 ′ that can be positioned intermediate the base 138 ′ and thepositioning surface 145 ′. When thepositioning surface 145 ′ contacts one of thesecond surfaces 232 ′, thetissue contacting surface 148 ′ of theanvil plate 134 ′ is positioned, for example, asecond distance 235 ′ away from thereference surface 129 ′. It can be done. Correspondingly, the molding surface 132 'can be positioned a second distance away from the staple cartridge so that when the staple is deployed from the staple cartridge, the staple can be deformed to a second staple height. It has become. In various embodiments, similar to the above, asecond diameter 242 ′ can be defined between thesecond surfaces 232 ′, thesecond diameter 242 ′ being the largest above theanvil plate 134 ′ within theanvil channel 136 ′. The position can be determined. Thefirst surface 231 ′ and thesecond surface 232 ′ can be defined by surfaces that are flat or at least substantially flat, but thefirst surface 231 ′ and thesecond surface 232 ′ are at least partially arcuate, Alternatively, other embodiments are contemplated that can include curved contours. In any case, referring to FIG. 27, theadjustment member 230 ′ includes one ormore gap slots 240 ′ that can be configured to provide a gap between the actuator 230 ′ and the retainingpin 140 ′. Good. Gap slot 240 'provides a gap between actuator 230' and retaining pin 140 'when actuator 230' is in its first position, second position, and / or any other suitable position. Can be configured.

様々な実施形態では、前述に加えて、調節部材230’は、その第1位置または向き(図30および図31)と第3位置または向き(図34および図35)との間で回転させられ得る。少なくとも1つの実施形態では、図34および図35を参照すると、ハンドル252’は、調節部材230’をその第1位置と第3位置との間で動かすために、矢印「B」により示されている方向に回転させられ得る。上記と同様に、アクチュエータ230’がその第3位置または向きにあるとき、アクチュエータ230’は、アンビルチャネル136’内部でのアンビルプレート134’の上方運動を制限して、ステープルのステープル成形高さを決定することができる。少なくとも1つのそのような実施形態では、図34および図35を参照すると、調節部材230’は、基部138’と位置付け面145’との中間に位置付けられ得る、対向する第3面233’を含むことができ、それにより、位置付け面145’が第3面233’の一方に接触すると、アンビルプレート134’の組織接触面148’は、例えば、基準面129’から第3距離236’だけ離れて位置付けられ得るようになっている。それに対応して、成形面132’は、ステープルカートリッジから第3距離だけ離れて位置付けられ得、それにより、ステープルがステープルカートリッジから配備されると、ステープルは、第3ステープル高さまで変形させられ得るようになっている。様々な実施形態では、上記と同様に、第3直径243’が、第3面233’の間で定められ得、第3直径243’は、アンビルチャネル136’内部でのアンビルプレート134’の最大上方位置を定めることができる。図34および図35を再度参照すると、第3面233’は、少なくとも部分的に弓形の輪郭により定められ得るが、第3面233’が、平坦な、または少なくとも実質的に平坦な輪郭を含むことができる、他の実施形態が想到される。少なくとも1つの実施形態では、調節部材230’は、弓形の第3面233’の間の最大距離すなわち直径が第3ステープル高さを定めるために利用され得るように、構成され得る。  In various embodiments, in addition to the foregoing, theadjustment member 230 ′ is rotated between its first position or orientation (FIGS. 30 and 31) and its third position or orientation (FIGS. 34 and 35). obtain. In at least one embodiment, referring to FIGS. 34 and 35, handle 252 ′ is indicated by arrow “B” to moveadjustment member 230 ′ between its first and third positions. It can be rotated in the direction that it is. As above, when the actuator 230 'is in its third position or orientation, the actuator 230' limits the upward movement of theanvil plate 134 'within the anvil channel 136' to increase the staple forming height of the staples. Can be determined. In at least one such embodiment, referring to FIGS. 34 and 35, theadjustment member 230 ′ includes an opposingthird surface 233 ′ that can be positioned intermediate the base 138 ′ and thepositioning surface 145 ′. When thepositioning surface 145 ′ contacts one of thethird surfaces 233 ′, thetissue contacting surface 148 ′ of theanvil plate 134 ′ is, for example, separated from thereference surface 129 ′ by athird distance 236 ′. It can be positioned. Correspondingly, themolding surface 132 ′ can be positioned a third distance away from the staple cartridge so that when the staple is deployed from the staple cartridge, the staple can be deformed to a third staple height. It has become. In various embodiments, similar to the above, athird diameter 243 ′ can be defined between thethird surfaces 233 ′, which is the maximum of theanvil plate 134 ′ within theanvil channel 136 ′. An upper position can be defined. Referring again to FIGS. 34 and 35, thethird surface 233 ′ may be defined at least in part by an arcuate contour, but thethird surface 233 ′ includes a flat or at least substantially flat contour. Other embodiments are possible that can be envisaged. In at least one embodiment, the adjustment member 230 'can be configured such that the maximum distance or diameter between the arcuatethird surface 233' can be utilized to define the third staple height.

前述されたように、図30および図31を参照すると、調節部材230’は、外科用ステープリング器具100’により配備されるステープルのための第1成形高さを設定するために、第1位置または向きで位置付けられ得る。これもまた前述されたように、図32および図33を参照すると、アクチュエータ250’は、ステープルのための第2成形高さを設定するために、調節部材230’をその第2位置または向きへ動かすように利用され得る。このためには、少なくとも1つの実施形態では、ハンドル252’、およびそのハンドル252’に取り付けられた調節部材230’を矢印「A」により示されている方向に回転させることができる力が、ハンドル252’にかけられ得る。少なくとも1つの実施形態では、調節部材230’および/またはアクチュエータ250’は、調節部材230’が回転させられると、調節部材230’が例えば軸245’(図27)などの軸周りに回転させられ得るように、十分に確保され得る。少なくとも1つの実施形態では、図25を参照すると、プッシュバー組立体200’の近位端203’は、調節部材230’および/またはアクチュエータ250’の少なくとも一部分を内部に受容および/または確保するように構成され得る、1つ以上の溝、チャネル、または凹部205’を含むことができる。いずれの場合でも、図30〜図33に図示されているように、調節部材230’の第2位置または向きは、調節部材230’がその第1位置にある場合と比較すると、アンビルプレート134’がアンビルチャネル136’内部で、より大きな距離、スライドすることを可能にし得る。少なくとも1つの実施形態では、その結果、第2ステープル成形高さは、第1ステープル成形高さよりも高くなり得る。これもまた前述されたように、図34および図35を参照すると、アクチュエータ250’は、ステープルための第3成形高さを設定するために、調節部材230’をその第3位置または向きへ動かすように利用され得る。このためには、少なくとも1つの実施形態では、ハンドル252’、およびこのハンドル252’に取り付けられた調節部材230’を矢印「B」により示されている方向に回転させることができる力が、ハンドル252’にかけられ得る。図30、図31、図34、および図35に図示されているように、調節部材230’の第3位置または向きは、調節部材230’がその第1位置にある場合と比較すると、アンビルプレート134’がアンビルチャネル136’内部で、より小さい距離、スライドすることを可能にし得る。少なくとも1つの実施形態では、結果として、第1および第2ステープル成形高さは、第3ステープル成形高さよりも高くなり得る。少なくとも1つのそのような実施形態では、調節部材230’およびアクチュエータ250’の第1位置は、中間位置を表すことができ、調節部材230’は、その第1位置から直接、第2位置および第3位置へ選択的に動かされ得る。実際には、調節部材230’の第1位置は、中間ステープル高さを表すことができ、調節部材230’の第2および第3ステープル位置は、それぞれ、より高いステープル高さ、および、より低いステープル高さを表すことができる。ある実施形態では、図24を参照すると、外科用ステープリング器具100’は、選択され得るステープル成形高さ、または少なくとも相対成形高さを伝えるように構成され得る、1つ以上の印をその器具100’上に含むことができる。例えば、第2ハンドル部分104’は、中間の、すなわち第1のステープル高さを示すことができる第1の印245’、より高い、すなわち第2のステープル高さを示すことができる第2の印246’、および、それに加えて、より低い、すなわち第3のステープル高さを示すことができる第3の印247’を含むことができる。  As described above, with reference to FIGS. 30 and 31, theadjustment member 230 ′ may be positioned in a first position to set a first molding height for staples deployed by thesurgical stapling instrument 100 ′. Or it can be positioned in an orientation. As also described above, referring to FIGS. 32 and 33, theactuator 250 ′ moves theadjustment member 230 ′ to its second position or orientation to set a second forming height for the staples. Can be used to move. To this end, in at least one embodiment, a force capable of rotating the handle 252 'and the adjustment member 230' attached to the handle 252 'in the direction indicated by arrow "A" 252 '. In at least one embodiment, theadjustment member 230 ′ and / or theactuator 250 ′ can be rotated about an axis, such as theaxis 245 ′ (FIG. 27), for example, when theadjustment member 230 ′ is rotated. Enough to be secured. In at least one embodiment, referring to FIG. 25, theproximal end 203 ′ of thepush bar assembly 200 ′ is adapted to receive and / or secure at least a portion of theadjustment member 230 ′ and / or theactuator 250 ′ therein. One or more grooves, channels, or recesses 205 ′ can be included. In any case, as illustrated in FIGS. 30-33, the second position or orientation of theadjustment member 230 ′ is ananvil plate 134 ′ compared to when theadjustment member 230 ′ is in its first position. May allow a greater distance to slide within theanvil channel 136 ′. In at least one embodiment, as a result, the second staple forming height can be higher than the first staple forming height. As also described above, with reference to FIGS. 34 and 35, theactuator 250 ′ moves theadjustment member 230 ′ to its third position or orientation to set a third forming height for stapling. Can be utilized. To this end, in at least one embodiment, a force that can rotate thehandle 252 ′ and theadjustment member 230 ′ attached to thehandle 252 ′ in the direction indicated by the arrow “B” 252 '. As shown in FIGS. 30, 31, 34, and 35, the third position or orientation of theadjustment member 230 ′ is greater than that when theadjustment member 230 ′ is in its first position. 134 'may allow a smaller distance to slide within the anvil channel 136'. In at least one embodiment, as a result, the first and second staple forming heights can be higher than the third staple forming height. In at least one such embodiment, the first position of theadjustment member 230 ′ and theactuator 250 ′ can represent an intermediate position, and theadjustment member 230 ′ can be directly in the second position and the second position from the first position. Can be moved selectively to 3 positions. In practice, the first position of the adjustment member 230 'can represent the intermediate staple height, and the second and third staple positions of the adjustment member 230' can be higher and lower, respectively. The staple height can be represented. In certain embodiments, referring to FIG. 24, asurgical stapling instrument 100 ′ displays one or more indicia that can be configured to communicate a staple forming height that can be selected, or at least a relative forming height. 100 'can be included. For example, thesecond handle portion 104 ′ may be afirst mark 245 ′ that may indicate an intermediate or first staple height, a second that may indicate a higher or second staple height.Indicia 246 ′, and in addition, athird indicia 247 ′ that can indicate a lower, ie, third staple height, can be included.

様々な実施形態では、前述に加えて、第1面231’、第2面232’、および第3面233’のうちの1つ以上は、調節部材230’の周囲、すなわち外周を含む、すなわち定めることができ、あるいは、その外周を少なくとも部分的に含む、すなわち定めることができる。前述されたように、第1面、第2面、および第3面(231’,232’および233’)によりそれぞれ定められた、第1直径、第2直径、および第3直径(241’,242’および243’)ゆえに、調節部材230’の周囲、すなわち外周は、非円形であってよい。しかし、ある実施形態では、調節部材230’の周囲、すなわち外周は、対称性、実質的に対称性、および/または非対称性であってよい。様々な実施形態では、前述に加えて、調節部材は、例えば、アンビル130’の基部138’とアンビルプレート134’の調節面145’との中間に回転可能に位置付けられたカムを含むことができる。少なくとも1つのそのような実施形態では、例えば、第1面231’、第2面232’、および第3面233’のうちの1つ以上が、カムプロファイルを含む、すなわちカムプロファイルを定めることができ、このカムプロファイルは、上記と同様に、アンビルプレート134’を確実に位置付けするよう、および/または、停止部であって、アンビルプレート134’がその停止部に対して位置付けられ得る、停止部を提供するように、構成され得る。いずれの場合でも、図示はされていないが、調節部材が、外科用ステープリング器具により配備されるステープルのための2つ以上のステープル成形高さを設定するために、スライドおよび回転させられ得る、様々な実施形態が想到される。少なくとも1つそのような実施形態では、調節部材は、調節部材の長さに沿って定められ得るカムプロファイルを含むことができ、長さ方向運動および/または回転運動が、カムプロファイルを少なくとも第1位置と第2位置との間で動かすように利用され得る。  In various embodiments, in addition to the foregoing, one or more of thefirst surface 231 ′, thesecond surface 232 ′, and thethird surface 233 ′ includes a periphery, ie, an outer periphery, of theadjustment member 230 ′, Or it can at least partially include, i.e. define, its outer periphery. As described above, the first, second, and third diameters (241 ′, 231 ′, 232 ′, 233 ′) defined by the first surface, the second surface, and the third surface (231 ′, 232 ′, and 233 ′), respectively. 242 ′ and 243 ′), therefore, the circumference of theadjustment member 230 ′, ie the outer circumference, may be non-circular. However, in certain embodiments, the circumference, or outer circumference, of the adjustment member 230 'may be symmetric, substantially symmetric, and / or asymmetric. In various embodiments, in addition to the foregoing, the adjustment member can include, for example, a cam that is rotatably positioned midway between the base 138 'of the anvil 130' and the adjustment surface 145 'of theanvil plate 134'. . In at least one such embodiment, for example, one or more of thefirst surface 231 ′, thesecond surface 232 ′, and thethird surface 233 ′ may include a cam profile, ie define a cam profile. The cam profile can be similar to that described above to ensure that theanvil plate 134 'is positioned and / or is a stop, where theanvil plate 134' can be positioned relative to the stop. Can be configured to provide In any case, although not shown, the adjustment member may be slid and rotated to set two or more staple forming heights for staples deployed by the surgical stapling instrument. Various embodiments are contemplated. In at least one such embodiment, the adjustment member can include a cam profile that can be defined along the length of the adjustment member, wherein the longitudinal and / or rotational movements cause the cam profile to be at least first. It can be used to move between a position and a second position.

様々な実施形態では、上記と同様に、外科用器具100’は、アクチュエータ250’を適所に保持する、あるいは少なくとも解放可能に保持するように構成された戻り止め機構をさらに含むことができる。少なくとも1つの実施形態では、図25および図26を参照すると、外科用器具100’は、戻り止め本体261’、および1つ以上の戻り止めレッグ262’を含む戻り止め部材260’をさらに含むことができる。図26を参照すると、戻り止め本体261’は、第2ハンドル部分104’の近位端105’の少なくとも一部分を受容するように構成され得る、1つ以上の溝、凹部、またはチャネル263’を含むことができ、それにより、戻り止め部材260’が適所に確保され得るようになっている。少なくとも1つのそのような実施形態では、近位端105’は、戻り止め部材260’を密接に受容するように構成され得る、1つ以上の溝、チャネル、または凹部265’をさらに含むことができる。ある実施形態では、例えば、チャネル263’などの、戻り止め本体261’の少なくとも一部分は、凹部265’内にプレス嵌め、スナップ嵌め、および/または別様に適切に確保され得る。これもまた図26に図示されているように、戻り止め部材260’の各戻り止めレッグ262’は、そこから延びる1つ以上の突出部264’を含むことができ、この突出部264’は、アクチュエータ本体251’に係合して、アクチュエータ250’を適所に解放可能に保持するように構成され得る。少なくとも1つの実施形態では、図36を参照すると、アクチュエータ本体251’は、突出部264’を受容するように構成され得る、1つ以上の凹部、または穴269’を含むことができる。突出部264’が凹部269’内部に位置付けられているとき、突出部は、例えば、突出部264’が凹部269’から転置させられるように十分な力がアクチュエータ250’にかけられるまで、アクチュエータ250’をその第1位置に保持するように構成され得る。より詳細には、アクチュエータ250’にかけられる力は、突出部264’に伝達されて、突出部264’と凹部269’との間の協働面により、突出部264’に関連する戻り止めレッグ262’は、アクチュエータ本体251’が戻り止めレッグ262’に対して動かされることを可能にするように、近位に曲げられ得るか、または動かされ得る。そのような近位運動を提供するために、図25を参照すると、凹部265’は、レッグ262’の少なくとも一部分を受容するようにそれぞれ構成され得る、細長い部分266’を含むことができ、それによりレッグ262’は、ハンドル部分104’に対して動くことができるようになっている。アクチュエータ250’が、その第2位置または第3位置のいずれかへ動かされると、アクチュエータ本体251’は、別のレッグ262’から延びる突出部264’に接触、そのレッグ262’を近位にゆがめることができ、いったんアクチュエータ250’がその第2位置または第3位置に置かれると、レッグ262’は、前方すなわち遠位に、はね返ることができ、それにより突出部264が、凹部269’の内部に固定され得るようになっている。少なくとも1つの実施形態では、前述に加えて、突出部264’と凹部269’の側壁との間の相互作用は、アクチュエータ250’が、例えばその第1位置、第2位置、および第3位置のうちの1つに固定式に保持され得、さらにアクチュエータ250’が十分な力を受けると動かされることを可能にし得るようなものであり得る。そのような実施形態では、戻り止め部材260’は、アクチュエータ250’およびそれに対応して調節部材230’が意図せずに転置されることを防ぐ、あるいは少なくとも抑制することができる。  In various embodiments, similar to the above, the surgical instrument 100 'can further include a detent mechanism configured to hold the actuator 250' in place, or at least releasably. In at least one embodiment, referring to FIGS. 25 and 26, thesurgical instrument 100 ′ further includes adetent member 260 ′ that includes adetent body 261 ′ and one ormore detent legs 262 ′. Can do. Referring to FIG. 26, thedetent body 261 ′ includes one or more grooves, recesses, orchannels 263 ′ that can be configured to receive at least a portion of theproximal end 105 ′ of thesecond handle portion 104 ′. The detent member 260 'can be secured in place. In at least one such embodiment, theproximal end 105 ′ further includes one or more grooves, channels, or recesses 265 ′ that can be configured to closely receive thedetent member 260 ′. it can. In certain embodiments, at least a portion of the detent body 261 ', such as, for example, the channel 263', can be press fit, snap fit, and / or otherwise properly secured within the recess 265 '. As also illustrated in FIG. 26, eachdetent leg 262 ′ of thedetent member 260 ′ can include one ormore protrusions 264 ′ extending therefrom, theprotrusions 264 ′ being May be configured to engage the actuator body 251 'to releasably hold the actuator 250' in place. In at least one embodiment, referring to FIG. 36, the actuator body 251 'can include one or more recesses or holes 269' that can be configured to receive the protrusions 264 '. When theprotrusion 264 ′ is positioned within therecess 269 ′, theprotrusion 250 ′, for example, until a sufficient force is applied to theactuator 250 ′ such that theprotrusion 264 ′ is displaced from therecess 269 ′. In the first position. More specifically, the force applied to theactuator 250 ′ is transmitted to theprotrusion 264 ′ and thedetent leg 262 associated with theprotrusion 264 ′ by the cooperating surface between theprotrusion 264 ′ and therecess 269 ′. 'Can be bent or moved proximally to allow the actuator body 251' to be moved relative to the detent leg 262 '. To provide such proximal motion, referring to FIG. 25, therecess 265 ′ can include anelongated portion 266 ′, each of which can be configured to receive at least a portion of theleg 262 ′. This allows leg 262 'to move relative to handle portion 104'. When theactuator 250 ′ is moved to either its second or third position, theactuator body 251 ′ contacts aprotrusion 264 ′ extending from anotherleg 262 ′ and distorts theleg 262 ′ proximally. Once theactuator 250 ′ is in its second or third position, theleg 262 ′ can rebound forward or distally, so that theprotrusion 264 is inside therecess 269 ′. It can be fixed to. In at least one embodiment, in addition to the foregoing, the interaction between theprotrusion 264 ′ and the sidewall of therecess 269 ′ may cause theactuator 250 ′ to be in, for example, its first position, second position, and third position. It can be fixedly held in one of them, and can also allow the actuator 250 'to be moved when subjected to sufficient force. In such embodiments, the detent member 260 'can prevent, or at least inhibit, the actuator 250' and corresponding adjustment member 230 'from being unintentionally displaced.

本明細書に開示された装置は、1回使用後、廃棄されるように設計され得るか、または複数回使用されるように設計され得る。しかしながら、いずれの場合でも、本装置は、少なくとも1回使用した後、再使用のために再調整され得る。再調整は、装置の分解ステップ、それに続く特定部品の洗浄または置換のステップ、およびその後の再組立ステップの任意の組み合わせを含むことができる。特に、本装置は、分解され得、そして装置の任意の数の特定部品または部分が、任意の組み合わせで選択的に置換または除去され得る。特定部分の洗浄および/または置換の際、本装置は、その後の使用のために、再調整施設で、または手術処置の直前に外科チームによって、再組立され得る。当業者であれば、装置の再調整は、分解、洗浄/置換、および再組立のための様々な技術を利用できることを認識するであろう。そのような技術の使用、およびその結果の再調整された装置は、全て本願の範囲に含まれる。  The devices disclosed herein can be designed to be discarded after a single use, or can be designed to be used multiple times. In either case, however, the device can be reconditioned for reuse after at least one use. Reconditioning can include any combination of device disassembly steps, followed by specific component cleaning or replacement steps, and subsequent reassembly steps. In particular, the device can be disassembled and any number of specific parts or parts of the device can be selectively replaced or removed in any combination. Upon cleaning and / or replacement of specific parts, the device can be reassembled for subsequent use either at a reconditioning facility or by a surgical team immediately prior to a surgical procedure. One skilled in the art will recognize that reconditioning of the device can utilize a variety of techniques for disassembly, cleaning / replacement, and reassembly. The use of such techniques and the resulting readjusted device are all within the scope of this application.

好ましくは、本明細書で説明された発明は、手術前に処理されるだろう。第1に、新しいまたは使用済み器具が入手されて、必要に応じて洗浄される。その後、器具は殺菌され得る。一殺菌技術では、器具は、プラスチック製またはTYVEK製バッグなどの、閉鎖され密閉された容器の中に置かれる。その後、容器および器具は、γ線、X線、または高エネルギー電子などの、容器を貫通できる放射線の場に置かれる。放射線は、器具上および容器内のバクテリアを死滅させる。その後、殺菌された器具は、滅菌容器内で保管され得る。密閉された容器は、その容器が医療施設で開封されるまで、器具を無菌状態に保つ。  Preferably, the invention described herein will be processed before surgery. First, new or used equipment is obtained and cleaned as needed. The instrument can then be sterilized. In one sterilization technique, the instrument is placed in a closed and sealed container, such as a plastic or TYVEK bag. The container and instrument are then placed in a field of radiation that can penetrate the container, such as gamma rays, x-rays, or high energy electrons. Radiation kills bacteria on the instrument and in the container. The sterilized instrument can then be stored in a sterile container. The sealed container keeps the instrument sterile until it is opened in the medical facility.

本発明は、例示的デザインを有するように説明されてきたが、本発明は、本開示の精神および範囲内でさらに修正されてよい。したがって、本願は、その全般的原理を使用して、本発明のいかなる変形、使用、または改作を含むと意図される。さらに、本願は、本発明が属する技術分野における既知または通例の慣習に含まれるような本開示からのそのような逸脱を含むと意図される。  While this invention has been described as having an exemplary design, the present invention may be further modified within the spirit and scope of this disclosure. This application is therefore intended to cover any variations, uses, or adaptations of the invention using its general principles. Furthermore, this application is intended to cover such departures from the disclosure as included in known or customary practices in the technical field to which the present invention belongs.

図1は、本発明の少なくとも1つの実施形態にしたがう外科用ステープリング器具の斜視図である。FIG. 1 is a perspective view of a surgical stapling instrument in accordance with at least one embodiment of the present invention.図2は、図1の外科用ステープリング器具の分解斜視図である。FIG. 2 is an exploded perspective view of the surgical stapling instrument of FIG.図3は、図1の外科用ステープリング器具の分解立面図である。FIG. 3 is an exploded elevational view of the surgical stapling instrument of FIG.図4は、図1の外科用ステープリング器具の部分断面図であり、第1および第2部分が共に組み立てられているところを図示している。FIG. 4 is a partial cross-sectional view of the surgical stapling instrument of FIG. 1 illustrating the first and second portions being assembled together.図5は、図1の外科用ステープリング器具の部分断面図であり、図4の第1部分の近位端が図4の第2部分の近位端にロックされているところを図示しており、また、第2部分が第1部分に向かって回転させられるところを図示している。FIG. 5 is a partial cross-sectional view of the surgical stapling instrument of FIG. 1, illustrating that the proximal end of the first portion of FIG. 4 is locked to the proximal end of the second portion of FIG. And the second part is shown rotated toward the first part.図6は、図1の外科用ステープリング器具の部分断面図であり、第1部分に回転可能に据え付けられたラッチを図示しており、ラッチは第2部分と係合させられ、ラッチは部分的に閉鎖された位置へ回転させられている。FIG. 6 is a partial cross-sectional view of the surgical stapling instrument of FIG. 1, illustrating a latch rotatably mounted on a first portion, the latch being engaged with a second portion, the latch being a partial Rotated to a closed position.図7は、図1の外科用ステープリング器具の部分断面図であり、閉鎖された位置にある図6のラッチを図示している。7 is a partial cross-sectional view of the surgical stapling instrument of FIG. 1 illustrating the latch of FIG. 6 in a closed position.図8は、図1の外科用ステープリング器具のステープルカートリッジ組立体の斜視図である。FIG. 8 is a perspective view of the staple cartridge assembly of the surgical stapling instrument of FIG.図9は、図8のステープルカートリッジ組立体の分解図である。FIG. 9 is an exploded view of the staple cartridge assembly of FIG.図10は、図9の線10−10に沿う図8のステープルカートリッジ組立体の断面図である。10 is a cross-sectional view of the staple cartridge assembly of FIG. 8 taken along line 10-10 of FIG.図11は、図8のステープルカートリッジ組立体のステープルスレッド・切断部材組立体の分解図である。FIG. 11 is an exploded view of the staple thread and cutting member assembly of the staple cartridge assembly of FIG.図12は、図11のステープルスレッド・切断部材組立体の斜視図である。12 is a perspective view of the staple thread and cutting member assembly of FIG.図13は、図1の外科用ステープリング器具の斜視図であり、外科用ステープリング器具の第1側部に沿って遠位に動かされた発射アクチュエータを図示している。13 is a perspective view of the surgical stapling instrument of FIG. 1, illustrating a firing actuator moved distally along a first side of the surgical stapling instrument.図14は、図1の外科用ステープリング器具の斜視図であり、外科用ステープリング器具の第2側部に沿って遠位に動かされた図13の発射アクチュエータを図示している。14 is a perspective view of the surgical stapling instrument of FIG. 1, illustrating the firing actuator of FIG. 13 moved distally along the second side of the surgical stapling instrument.図15は、本発明の少なくとも1つの代替実施形態にしたがう外科用ステープリング器具の断面図であり、部分的に閉鎖された位置にあるラッチ、および発射アクチュエータと係合させられたロック機構を図示している。FIG. 15 is a cross-sectional view of a surgical stapling instrument in accordance with at least one alternative embodiment of the present invention, illustrating a latch in a partially closed position, and a locking mechanism engaged with a firing actuator. Show.図16は、図15の外科用ステープリング器具の断面図であり、ラッチが閉鎖された位置へ動かされ、発射アクチュエータからロック機構を係合解除している。16 is a cross-sectional view of the surgical stapling instrument of FIG. 15 with the latch moved to the closed position and disengaging the locking mechanism from the firing actuator.図17は、図1の外科用ステープリング器具のアンビル組立体の斜視図である。FIG. 17 is a perspective view of the anvil assembly of the surgical stapling instrument of FIG.図18は、図17のアンビル組立体の分解斜視図である。18 is an exploded perspective view of the anvil assembly of FIG.図19は、図17のアンビル組立体の別の分解斜視図である。FIG. 19 is another exploded perspective view of the anvil assembly of FIG.図20は、図17のアンビル組立体の分解断面立面図である。20 is an exploded cross-sectional elevation view of the anvil assembly of FIG.図21は、図17のアンビル組立体の組立断面図であり、第1位置にあるアンビル調節部材を図示している。FIG. 21 is an assembly cross-sectional view of the anvil assembly of FIG. 17 illustrating the anvil adjustment member in the first position.図22は、図17のアンビル組立体の組立断面図であり、第2位置にある図21のアンビル調節部材を図示している。22 is an assembled cross-sectional view of the anvil assembly of FIG. 17, illustrating the anvil adjustment member of FIG. 21 in a second position.図23は、図17のアンビル組立体の組立断面図であり、第3位置にある図21のアンビル調節部材を図示している。FIG. 23 is an assembled cross-sectional view of the anvil assembly of FIG. 17, illustrating the anvil adjustment member of FIG. 21 in a third position.図24は、本発明の少なくとも1つの代替実施形態にしたがう外科用ステープリング器具の斜視図である。FIG. 24 is a perspective view of a surgical stapling instrument in accordance with at least one alternative embodiment of the present invention.図25は、図24の線25−25に沿った図24の外科用ステープリング器具の断面図である。25 is a cross-sectional view of the surgical stapling instrument of FIG. 24 taken along line 25-25 of FIG.図26は、回転可能なアンビル調節部材を適所に解放可能に保持するための戻り止め機構を含む、図24の外科用ステープリング器具の近位端の部分分解図である。26 is a partially exploded view of the proximal end of the surgical stapling instrument of FIG. 24 including a detent mechanism for releasably holding the rotatable anvil adjustment member in place.図27は、いくつかの構成要素が取り除かれ、他の構成要素が断面で示されている、図24の外科用ステープリング器具の斜視図である。FIG. 27 is a perspective view of the surgical stapling instrument of FIG. 24 with some components removed and other components shown in cross-section.図28は、図24の外科用ステープリング器具の一部分の分解図であり、第1向きにある回転可能なアンビル調節部材を図示している。FIG. 28 is an exploded view of a portion of the surgical stapling instrument of FIG. 24 illustrating a rotatable anvil adjustment member in a first orientation.図29は、図28の回転可能なアンビル調節部材の斜視図である。29 is a perspective view of the rotatable anvil adjustment member of FIG.図30は、いくつかの構成要素が取り除かれ、他の構成要素が破線で示されている、図24の外科用ステープリング器具の端面図であり、図28の第1向きにある回転可能なアンビル調節部材を図示している。FIG. 30 is an end view of the surgical stapling instrument of FIG. 24 with some components removed and other components shown in dashed lines, in a rotatable orientation in the first orientation of FIG. An anvil adjustment member is illustrated.図31は、図24の線31−31に沿った図24の外科用ステープリング器具の断面端面図である。31 is a cross-sectional end view of the surgical stapling instrument of FIG. 24 taken along line 31-31 of FIG.図32は、図24の外科用ステープリング器具の端面図であり、第1方向に第2向きへと回転させられた図28の回転可能なアンビル調節部材を図示している。32 is an end view of the surgical stapling instrument of FIG. 24 illustrating the rotatable anvil adjustment member of FIG. 28 rotated in a first direction to a second orientation.図33は、図24の外科用ステープリング器具の断面端面図であり、図32の第2向きにあるアンビル調節部材を図示している。33 is a cross-sectional end view of the surgical stapling instrument of FIG. 24 illustrating the anvil adjustment member in the second orientation of FIG.図34は、図24の外科用ステープリング器具の端面図であり、第2方向に第3向きへと回転させられた図28の回転可能なアンビル調節部材を図示している。34 is an end view of the surgical stapling instrument of FIG. 24 illustrating the rotatable anvil adjustment member of FIG. 28 rotated in a third direction in a second direction.図35は、図24の外科用ステープリング器具の断面端面図であり、図34の第3向きにあるアンビル調節部材を図示している。35 is a cross-sectional end view of the surgical stapling instrument of FIG. 24 illustrating the anvil adjustment member in the third orientation of FIG.図36は、図28のアンビル調節部材を回転させるためのアクチュエータの斜視図である。FIG. 36 is a perspective view of an actuator for rotating the anvil adjusting member of FIG.図37は、ステープリング器具が部分的に閉鎖された構成にあるときに、第1ハンドル部分の遠位端を第2ハンドル部分の遠位端から離れるように付勢するように構成されたバネを含む、外科用ステープリング器具の部分断面図である。FIG. 37 illustrates a spring configured to bias the distal end of the first handle portion away from the distal end of the second handle portion when the stapling instrument is in a partially closed configuration. 1 is a partial cross-sectional view of a surgical stapling instrument including

Claims (17)

Translated fromJapanese
外科用ステープラにおいて、
ステープルカートリッジを受容するように構成されたステープルカートリッジチャネルを含む、第1ハンドル部分と、
アンビルを含む、第2ハンドル部分と、
第1駆動スロットと、
第2駆動スロットであって、前記第1および第2駆動スロットの少なくとも一方は、所定通路を定める、第2駆動スロットと、
駆動部材と、
前記駆動部材と作用可能に係合させられたアクチュエータであって、前記アクチュエータは、前記第1駆動スロットおよび前記第2駆動スロットへ選択的に可動であり、前記アクチュエータは、前記駆動部材を前記所定通路に沿って動かすように構成されている、アクチュエータと、
前記アクチュエータと選択的に係合可能なアクチュエータロックと、
前記第1ハンドル部分および前記第2ハンドル部分の一方に回転可能に連結されたラッチであって、前記ラッチは、開放位置と閉鎖された位置との間で可動であり、前記ラッチは、前記第1ハンドル部分および前記第2ハンドル部分の他方に係合するよう、かつ前記アンビルを前記ステープルカートリッジチャネルに対する適所へ動かすように、構成されており、前記ラッチは、前記ラッチが前記閉鎖された位置へ動かされると、前記アクチュエータロックに係合して前記アクチュエータロックを前記アクチュエータから係合解除するように構成されている、ラッチと、
を含む、外科用ステープラ。
In surgical stapler,
A first handle portion including a staple cartridge channel configured to receive a staple cartridge;
A second handle portion including an anvil;
A first drive slot;
A second drive slot, wherein at least one of the first and second drive slots defines a predetermined passage; and
A drive member;
An actuator operably engaged with the drive member, wherein the actuator is selectively movable to the first drive slot and the second drive slot, and the actuator moves the drive member to the predetermined An actuator configured to move along the passageway;
An actuator lock selectively engageable with the actuator;
A latch rotatably coupled to one of the first handle portion and the second handle portion, wherein the latch is movable between an open position and a closed position; The latch is configured to engage the other of the one handle portion and the second handle portion, and to move the anvil into position relative to the staple cartridge channel, the latch being moved to the closed position. A latch configured to engage the actuator lock and disengage the actuator lock from the actuator when moved;
Surgical stapler including
請求項1に記載の外科用ステープラにおいて、
前記アクチュエータは、前記第1駆動スロットと前記第2駆動スロットとを接続する中間駆動スロット内に位置付け可能である、外科用ステープラ。
The surgical stapler according to claim 1, wherein
The surgical stapler, wherein the actuator is positionable within an intermediate drive slot connecting the first drive slot and the second drive slot.
請求項2に記載の外科用ステープラにおいて、
前記アクチュエータロックは、前記ラッチが前記開放位置にある場合、前記中間駆動スロット内に前記アクチュエータを保持するように構成されている、外科用ステープラ。
The surgical stapler according to claim 2, wherein
The surgical stapler, wherein the actuator lock is configured to retain the actuator in the intermediate drive slot when the latch is in the open position.
請求項2に記載の外科用ステープラにおいて、
前記アクチュエータは、前記アクチュエータが前記中間駆動スロット内部に位置付けられているとき、前記第1駆動スロットおよび前記第2駆動スロットの一方へ選択可能に回転させられるように構成されており、
前記アクチュエータロックは、前記アクチュエータロックが前記アクチュエータと係合させられているとき、前記アクチュエータが前記第1駆動スロットおよび前記第2駆動スロットのいずれかへ回転することを防ぐように構成されている、外科用ステープラ。
The surgical stapler according to claim 2, wherein
The actuator is configured to be selectively rotated to one of the first drive slot and the second drive slot when the actuator is positioned within the intermediate drive slot;
The actuator lock is configured to prevent the actuator from rotating to either the first drive slot or the second drive slot when the actuator lock is engaged with the actuator. Surgical stapler.
請求項1に記載の外科用ステープラにおいて、
アクチュエータロックは、前記ラッチが前記開放位置にあるとき、前記第1駆動スロットと前記第2駆動スロットとの中間の適所に前記アクチュエータを保持するように構成されている、外科用ステープラ。
The surgical stapler according to claim 1, wherein
A surgical stapler, wherein the actuator lock is configured to hold the actuator in place intermediate the first drive slot and the second drive slot when the latch is in the open position.
請求項1に記載の外科用ステープラにおいて、
前記アクチュエータロックを前記アクチュエータと係合させるように付勢するよう構成されたロックバネ、
をさらに含む、外科用ステープラ。
The surgical stapler according to claim 1, wherein
A lock spring configured to bias the actuator lock to engage the actuator;
A surgical stapler.
請求項1に記載の外科用ステープラにおいて、
前記駆動部材は、切断部材およびステープルスレッドの少なくとも一方を含む、外科用ステープラ。
The surgical stapler according to claim 1, wherein
The surgical stapler, wherein the drive member includes at least one of a cutting member and a staple thread.
外科用ステープラにおいて、
第1ハンドル部分であって、
近位端、
遠位端、および、
ステープルカートリッジを受容するように構成されたステープルカートリッジチャネル、
を含む、第1ハンドル部分と、
第2ハンドル部分であって、
近位端、
遠位端、および、
アンビル、
を含む、第2ハンドル部分と、
駆動部材と、
前記駆動部材と作用可能に係合可能なアクチュエータであって、前記アクチュエータは、前記駆動部材を所定通路に沿って遠位に動かすように構成されている、アクチュエータと、
前記アクチュエータと選択的に係合可能なアクチュエータロックと、
前記第1ハンドル部分および前記第2ハンドル部分の一方に回転可能に連結されたラッチであって、前記ラッチは、前記ラッチが開放位置と閉鎖された位置との間で動かされると、前記第1ハンドル部分および前記第2ハンドル部分の他方に係合して、前記アンビルを前記ステープルカートリッジチャネルに対する適所に持ってくるように構成されており、前記ラッチは、前記ラッチが前記閉鎖された位置へ動かされると前記アクチュエータロックに係合するように、また、前記アクチュエータロックを前記アクチュエータから係合解除するように、構成されている、ラッチと、
を含む、外科用ステープラ。
In surgical stapler,
A first handle portion,
Proximal end,
The distal end, and
A staple cartridge channel configured to receive a staple cartridge;
A first handle portion comprising:
A second handle part,
Proximal end,
The distal end, and
Anvil,
A second handle portion comprising:
A drive member;
An actuator operably engageable with the drive member, wherein the actuator is configured to move the drive member distally along a predetermined path;
An actuator lock selectively engageable with the actuator;
A latch rotatably coupled to one of the first handle portion and the second handle portion, wherein the latch is moved when the latch is moved between an open position and a closed position. Engaging the other of the handle portion and the second handle portion is configured to bring the anvil in position relative to the staple cartridge channel, the latch being moved to the closed position. A latch configured to engage the actuator lock when engaged and to disengage the actuator lock from the actuator;
Surgical stapler including
請求項8に記載の外科用ステープラにおいて、
前記アクチュエータロックを前記アクチュエータと係合するように付勢するよう構成された、ロックバネ、
をさらに含む、外科用ステープラ。
The surgical stapler according to claim 8, wherein
A lock spring configured to bias the actuator lock into engagement with the actuator;
A surgical stapler.
請求項8に記載の外科用ステープラにおいて、
第1駆動スロットと、
第2駆動スロットと、
をさらに含み、
前記アクチュエータは、前記第1駆動スロットおよび前記第2駆動スロットへ選択的に可動であり、
前記第1駆動スロットおよび前記第2駆動スロットの少なくとも一方は、前記所定通路を定めており、
前記アクチュエータロックは、前記アクチュエータロックが前記アクチュエータと係合させられているとき、前記アクチュエータが前記第1駆動スロットおよび前記第2駆動スロットのいずれへも動くことを防ぐように構成されている、外科用ステープラ。
The surgical stapler according to claim 8, wherein
A first drive slot;
A second drive slot;
Further including
The actuator is selectively movable to the first drive slot and the second drive slot;
At least one of the first drive slot and the second drive slot defines the predetermined passage;
The actuator lock is configured to prevent the actuator from moving into either the first drive slot or the second drive slot when the actuator lock is engaged with the actuator. Stapler.
請求項8に記載の外科用ステープラにおいて、
第1駆動スロットと、
第2駆動スロットと、
をさらに含み、
前記アクチュエータは、前記第1駆動スロットおよび前記第2駆動スロットへ選択的に可動であり、
前記第1駆動スロットおよび前記第2駆動スロットの少なくとも一方は、前記所定通路を定めており、
アクチュエータロックは、前記ラッチが前記開放位置にあるとき、前記アクチュエータを前記第1駆動スロットと前記第2駆動スロットとの中間の適所に保持するように構成されている、外科用ステープラ。
The surgical stapler according to claim 8, wherein
A first drive slot;
A second drive slot;
Further including
The actuator is selectively movable to the first drive slot and the second drive slot;
At least one of the first drive slot and the second drive slot defines the predetermined passage;
A surgical stapler, wherein the actuator lock is configured to hold the actuator in place intermediate the first drive slot and the second drive slot when the latch is in the open position.
請求項8に記載の外科用ステープラにおいて、
前記駆動部材は、切断部材およびステープルスレッドの少なくとも一方を含む、外科用ステープラ。
The surgical stapler according to claim 8, wherein
The surgical stapler, wherein the drive member includes at least one of a cutting member and a staple thread.
外科用ステープラにおいて、
ステープルカートリッジを受容するように構成されたステープルカートリッジチャネルを含む、第1ハンドル部分と、
アンビルを含む、第2ハンドル部分と、
駆動部材と、
前記駆動部材と作用可能に係合可能なアクチュエータであって、前記アクチュエータは、前記駆動部材を所定通路に沿って動かすように構成されている、アクチュエータと、
前記アクチュエータと係合するように付勢される、アクチュエータロックと、
前記第1ハンドル部分および前記第2ハンドル部分の一方に回転可能に連結された、ラッチであって、前記ラッチは、開放位置と閉鎖された位置との間で回転可能であり、前記ラッチは、前記ラッチが前記開放位置と前記閉鎖された位置との間で動かされると、前記第1ハンドル部分および前記第2ハンドル部分の他方に係合するよう、かつ前記アンビルを前記ステープルカートリッジに対して位置付けるように、構成されており、前記ラッチは、前記ラッチが前記開放位置と前記閉鎖された位置との間で動かされると、前記アクチュエータロックを前記アクチュエータから係合解除するように構成されている、ラッチと、
を含む、外科用ステープラ。
In surgical stapler,
A first handle portion including a staple cartridge channel configured to receive a staple cartridge;
A second handle portion including an anvil;
A drive member;
An actuator operably engageable with the drive member, wherein the actuator is configured to move the drive member along a predetermined path; and
An actuator lock biased to engage the actuator;
A latch rotatably coupled to one of the first handle portion and the second handle portion, the latch being rotatable between an open position and a closed position; When the latch is moved between the open position and the closed position, the anvil is positioned relative to the staple cartridge to engage the other of the first handle portion and the second handle portion. And the latch is configured to disengage the actuator lock from the actuator when the latch is moved between the open position and the closed position. A latch,
Surgical stapler including
請求項13に記載の外科用ステープラにおいて、
前記アクチュエータロックを前記アクチュエータに係合するように付勢するよう構成された、ロックバネ、
をさらに含む、外科用ステープラ。
The surgical stapler according to claim 13,
A lock spring configured to bias the actuator lock to engage the actuator;
A surgical stapler.
請求項13に記載の外科用ステープラにおいて、
第1駆動スロットと、
第2駆動スロットと、
をさらに含み、
前記アクチュエータは、前記第1駆動スロットおよび前記第2駆動スロットへ選択的に可動であり、
前記第1駆動スロットおよび前記第2駆動スロットの少なくとも一方は、前記所定通路を定めており、
前記アクチュエータロックは、前記アクチュエータロックが前記アクチュエータと係合させられると、前記アクチュエータが前記第1駆動スロットおよび前記第2駆動スロットのいずれへも動くことを防ぐように構成されている、外科用ステープラ。
The surgical stapler according to claim 13,
A first drive slot;
A second drive slot;
Further including
The actuator is selectively movable to the first drive slot and the second drive slot;
At least one of the first drive slot and the second drive slot defines the predetermined passage;
The actuator lock is configured to prevent the actuator from moving to either the first drive slot or the second drive slot when the actuator lock is engaged with the actuator. .
請求項13に記載の外科用ステープラにおいて、
第1駆動スロットと、
第2駆動スロットと、
をさらに含み、
前記アクチュエータは、前記第1駆動スロットおよび前記第2駆動スロットへ選択的に可動であり、
前記第1駆動スロットおよび前記第2駆動スロットの少なくとも一方は、前記所定通路を定めており、
アクチュエータロックは、前記ラッチが前記開放位置にあるとき、前記アクチュエータを前記第1駆動スロットと前記第2駆動スロットとの中間の適所に保持するように構成されている、外科用ステープラ。
The surgical stapler according to claim 13,
A first drive slot;
A second drive slot;
Further including
The actuator is selectively movable to the first drive slot and the second drive slot;
At least one of the first drive slot and the second drive slot defines the predetermined passage;
A surgical stapler, wherein the actuator lock is configured to hold the actuator in place intermediate the first drive slot and the second drive slot when the latch is in the open position.
請求項13に記載の外科用ステープラにおいて、
前記駆動部材は、切断部材およびステープルスレッドの少なくとも一方を含む、外科用ステープラ。
The surgical stapler according to claim 13,
The surgical stapler, wherein the drive member includes at least one of a cutting member and a staple thread.
JP2009216532A2008-09-192009-09-18 Surgical stapler lockout structureActiveJP5384268B2 (en)

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US12/234,113US7832612B2 (en)2008-09-192008-09-19Lockout arrangement for a surgical stapler
US12/234,1132008-09-19

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