【０００１】[0001]
【産業上の利用分野】本発明は、内視鏡の鉗子チャンネ
ルを介して体腔内に挿入される鉗子、カテーテル、高周
波ナイフ等の処置具を、自動的に挿入・抜去するための
内視鏡用処置具挿抜装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an endoscope for automatically inserting / removing a treatment tool such as forceps, a catheter or a high frequency knife, which is inserted into a body cavity through a forceps channel of the endoscope. The present invention relates to a treatment tool insertion / extraction device.
【０００２】[0002]
【従来の技術】従来、鉗子等の処置具を内視鏡の鉗子チ
ャンネルを介して体腔内に挿入する場合は、術者が自ら
手で処置具を保持しながら鉗子チャンネル内に挿入して
いる。しかしながら、例えば深部大腸用の内視鏡ではそ
の全長が２ｍもあるため、処置具の挿入作業に手間がか
かり、生検等の処置作業が極めて面倒であった。2. Description of the Related Art Conventionally, when inserting a treatment tool such as forceps into a body cavity through a forceps channel of an endoscope, an operator inserts the treatment tool into the forceps channel while holding the treatment tool by hand. . However, for example, an endoscope for deep large intestine has a total length of 2 m, so that the work of inserting a treatment tool is troublesome and the procedure of biopsy or the like is extremely troublesome.
【０００３】そのため、内視鏡の鉗子チャンネルに対す
る処置具の挿入・抜去を自動的に行なうことができる自
動挿抜装置が特公昭６１−３７９３８号公報に提案され
ている。Therefore, Japanese Patent Publication No. 61-37938 proposes an automatic insertion / extraction device which can automatically insert / extract a treatment tool into / from a forceps channel of an endoscope.
【０００４】[0004]
【発明が解決しようとする課題】前記公報で提案された
自動挿抜装置を用いて処置具の自動挿入または抜去を行
なう場合、処置具の挿入部は、電気回路等が内装された
自動挿抜装置の内部の一対のガイドローラーに挟持され
ながら、内視鏡の鉗子チャンネルに対して挿抜される。
すなわち、自動挿抜装置の内部を処置具の挿入部が通る
こととなる。SUMMARY OF THE INVENTION In the case of automatically inserting or removing a treatment tool using the automatic insertion / removal device proposed in the above publication, the insertion portion of the treatment tool has an automatic insertion / removal device in which an electric circuit or the like is incorporated. It is inserted into and removed from the forceps channel of the endoscope while being sandwiched by a pair of guide rollers inside.
That is, the insertion portion of the treatment instrument passes through the inside of the automatic insertion / extraction device.
【０００５】ところで、処置具を内視鏡の鉗子チャンネ
ルを介して体腔内に挿入すると、体内の汚物や体液が処
置具の表面に付着する。この状態で処置具を挿抜装置か
ら抜き取ると、処置具と接触する挿抜装置のガイドロー
ラー等に汚物が付着してしまう。この汚染状態のままで
挿抜装置を何回も使用すると、被検者に対する病気の感
染が懸念される。By the way, when the treatment instrument is inserted into the body cavity through the forceps channel of the endoscope, dirt and body fluid in the body adheres to the surface of the treatment instrument. When the treatment tool is pulled out from the insertion / removal device in this state, dirt adheres to the guide roller or the like of the insertion / removal device that comes into contact with the treatment tool. If the insertion / extraction device is used many times in this contaminated state, there is a concern that the subject will be infected with the disease.
【０００６】このような問題は、挿抜装置を使用の度毎
に洗浄・消毒すれば解決されるが、前記挿抜装置の場
合、汚物が付着したガイドローラー等を取り外すことが
できないため、挿抜装置の全体を洗浄消毒する必要があ
る。Such a problem can be solved by cleaning and disinfecting the insertion / removal device each time it is used. However, in the case of the insertion / removal device, the guide roller or the like having dirt adhered thereto cannot be removed. The whole needs to be cleaned and disinfected.
【０００７】しかしながら、挿抜装置の内部には前述し
たように電気回路等が内装されているため、洗浄・消毒
を行なうことは非常に困難である。本発明は上記事情に
着目してなされたものであり、その目的とするところ
は、内視鏡の鉗子チャンネルに対する処置具の挿入・抜
脱を自動的に行なうことができ、しかも、洗浄・消毒が
容易な内視鏡用処置具挿抜装置を提供することにある。However, since the electric circuit and the like are provided inside the insertion / removal device as described above, it is very difficult to perform cleaning / disinfection. The present invention has been made in view of the above circumstances, and an object thereof is to automatically insert and remove a treatment tool into and from a forceps channel of an endoscope, and to clean and disinfect the treatment tool. An object is to provide an endoscopic treatment tool insertion / extraction device that is easy to perform.
【０００８】[0008]
【課題を解決するための手段】上記課題を解決するため
に、本発明は、内視鏡の基端側操作部の処置具挿入口部
に配され、回転する複数のローラー間に処置具の外周面
を挟持させながら前記処置具を前記処置具挿入口部から
内視鏡のチャンネルへと自動的に挿抜する内視鏡用処置
具挿抜装置において、少なくとも前記処置具が接触する
部分を着脱自在としたものである。In order to solve the above-mentioned problems, the present invention provides a treatment instrument between a plurality of rotating rollers disposed at a treatment instrument insertion opening of a proximal end side operation portion of an endoscope. In an endoscopic treatment tool insertion / removal device for automatically inserting / removing the treatment tool from the treatment tool insertion opening into a channel of an endoscope while holding an outer peripheral surface, at least a portion in contact with the treatment tool is removable. It is what
【０００９】[0009]
【作用】上記構成によれば、術後、処置具が接触し汚物
が付着し易い挿抜装置の部分を取り外して充分に洗浄・
消毒することができる。According to the above construction, after the operation, the portion of the insertion / extraction device where the treatment tool comes into contact with and dirt is likely to adhere is removed and sufficiently washed.
Can be disinfected.
【００１０】[0010]
【実施例】以下、図面を参照しつつ本発明の実施例につ
いて説明する。図１ないし図５は本発明の第１の実施例
を示すものである。図１は、本実施例の内視鏡用処置具
挿抜装置１を介して処置具３を内視鏡２の処置具挿通用
チャンネル内に導入した状態を示している。Embodiments of the present invention will be described below with reference to the drawings. 1 to 5 show a first embodiment of the present invention. FIG. 1 shows a state in which a treatment instrument 3 is introduced into a treatment instrument insertion channel of an endoscope 2 via a treatment instrument insertion / extraction device 1 for an endoscope of this embodiment.
【００１１】図示のように、内視鏡２は、操作部４と挿
入部５とから内視鏡本体が構成されている。挿入部５の
先端には先端部６が設けられ、また、操作部４には図示
しないコネクタを先端に有するユニバーサルコード７が
接続されている。As shown in the figure, the endoscope 2 is composed of an operation section 4 and an insertion section 5 as an endoscope body. A tip portion 6 is provided at the tip of the insertion portion 5, and a universal cord 7 having a connector (not shown) at the tip is connected to the operation portion 4.
【００１２】挿入部５にはその全長にわたって図示しな
い処置具挿通用チャンネルが配設されている。このチャ
ンネルは、その一端が先端部６の先端で開口し、他端が
操作部４に設けられた処置具挿入口８で開口している。A treatment instrument insertion channel (not shown) is provided in the insertion portion 5 over its entire length. One end of this channel is opened at the tip of the tip portion 6, and the other end is opened at the treatment instrument insertion port 8 provided in the operation portion 4.
【００１３】一方、処置具３は、操作部９と、体腔内に
挿入される長尺な挿入部としてのシース１０と、シース
１０の先端に設けられた先端構成部１１とによって構成
されている。On the other hand, the treatment instrument 3 is composed of an operating portion 9, a sheath 10 as a long insertion portion to be inserted into a body cavity, and a distal end forming portion 11 provided at the distal end of the sheath 10. .
【００１４】図２および図３に示すように、挿抜装置１
は、駆動機構１３（図３参照）が内蔵された装置本体１
２と、この装置本体１２の外面に突設された案内部材と
から成る。案内部材は、内視鏡２の処置具挿入口８に取
り付けられる第１の案内部材１６と、装置本体１２の手
元側に第１の案内部材１６と対向して配置され第１の案
内部材１６と協働して処置具３のシース１０を案内する
第２の案内部材１５とからなる。As shown in FIGS. 2 and 3, the insertion / extraction device 1
Is a device main body 1 in which a drive mechanism 13 (see FIG. 3) is incorporated.
2 and a guide member protruding from the outer surface of the apparatus body 12. The guide member is a first guide member 16 attached to the treatment instrument insertion opening 8 of the endoscope 2 and a first guide member 16 disposed on the hand side of the apparatus body 12 so as to face the first guide member 16. And a second guide member 15 for guiding the sheath 10 of the treatment instrument 3 in cooperation with the second guide member 15.
【００１５】駆動機構１３によって回転する２本の回転
軸１８，１８が、処置具３の案内方向に対して略垂直に
延びている。各回転軸１８，１８は、その一端側が装置
本体１２の外部に突出しており、また、他端側が装置本
体１２に固着された支持部材４２に回転自在に支持され
ている。装置本体１２の外部に突出する回転軸１８，１
８の部位にはそれぞれ回転駆動ローラー１４，１４が着
脱自在に取り付けられている。Two rotating shafts 18, 18 rotated by the drive mechanism 13 extend substantially perpendicular to the guide direction of the treatment instrument 3. Each of the rotary shafts 18, 18 has one end protruding outside the apparatus main body 12 and the other end rotatably supported by a support member 42 fixed to the apparatus main body 12. Rotating shafts 18, 1 protruding outside the device body 12
Rotation drive rollers 14 and 14 are removably attached to the portions 8 respectively.
【００１６】回転駆動ローラー１４は、軟質の合成ゴム
等の弾性材料によって形成されており、その中心部に回
転軸１８を挿入するための挿入穴１７が設けられてい
る。この場合、回転駆動ローラー１４の挿入穴１７の内
径は、回転軸１８の外径よりも小さい寸法に設定されて
いる。また、２つの回転駆動ローラー１４，１４は、こ
れらの間で処置具３のシース１０を挟持しながら回転す
ることにより、シース１０を直線的に進退させることが
できるようになっている。この場合、２つの回転駆動ロ
ーラー１４，１４は、その挟持間隔（ローラー間距離）
が処置具３のシース１０の外径よりも若干小さく設定さ
れており、弾性変形することによって処置具３のシース
１０に密着するように設定されている。The rotation driving roller 14 is made of an elastic material such as soft synthetic rubber, and has an insertion hole 17 for inserting the rotation shaft 18 at the center thereof. In this case, the inner diameter of the insertion hole 17 of the rotary drive roller 14 is set to be smaller than the outer diameter of the rotary shaft 18. Further, the two rotary drive rollers 14 and 14 are capable of linearly advancing and retracting the sheath 10 by rotating while sandwiching the sheath 10 of the treatment instrument 3 therebetween. In this case, the two rotary drive rollers 14 and 14 have a nipping interval (distance between rollers).
Is set to be slightly smaller than the outer diameter of the sheath 10 of the treatment instrument 3, and is set to be in close contact with the sheath 10 of the treatment instrument 3 by elastically deforming.
【００１７】図３に示すように、駆動機構１３は、装置
本体１２内に位置する各回転軸１８，１８の部位に取り
付けられて互いに噛合する２つの回転歯車１９，１９
と、駆動モーター２０と、駆動モーター２０の駆動軸２
１に取り付けられ且つ回転軸１８，１８のいずれか一方
の回転歯車１９と噛合する駆動歯車２２とからなる。な
お、駆動モーター２０には駆動モーター２０の正転・逆
転・停止を選択する駆動制御スイッチ２３が電気的に接
続されている。As shown in FIG. 3, the drive mechanism 13 has two rotary gears 19, 19 attached to the respective rotary shafts 18, 18 located in the apparatus body 12 and meshing with each other.
And the drive motor 20 and the drive shaft 2 of the drive motor 20.
1 and a drive gear 22 that meshes with a rotary gear 19 of either one of the rotary shafts 18, 18. The drive motor 20 is electrically connected to a drive control switch 23 for selecting normal rotation, reverse rotation, and stop of the drive motor 20.
【００１８】図４に示すように、手元側の第２の案内部
材１５は、装置本体１２に固定された枠部材としての固
定部材２４と、固定部材２４の枠内に弾性的に圧入固定
される案内部材本体２５とからなる。案内部材本体２５
は、軟質の合成ゴム等の弾性材料によって形成されてお
り、固定部材２４に着脱自在に取り付けられる。また、
案内部材本体２５の略中心部には処置具３のシース１０
を挿通可能な挿通穴２６が形成されている。As shown in FIG. 4, the second guide member 15 on the hand side is fixed by a fixing member 24 as a frame member fixed to the apparatus main body 12, and is elastically press-fitted and fixed in the frame of the fixing member 24. And a guide member body 25. Guide member body 25
Is formed of an elastic material such as soft synthetic rubber and is detachably attached to the fixing member 24. Also,
The sheath 10 of the treatment instrument 3 is provided at a substantially central portion of the guide member main body 25.
An insertion hole 26 is formed so that the insertion hole 26 can be inserted therethrough.
【００１９】また、案内部材本体２５は、その縦の長さ
もしくは横の長さが、固定部材２４の枠内空間の横幅あ
るいは縦幅よりも若干大きく形成されており、固定部材
２４の枠内に弾性的に圧入されて強固に固定され得るよ
うになっている。Further, the guide member main body 25 is formed such that the vertical length or the horizontal length thereof is slightly larger than the horizontal width or the vertical width of the space inside the frame of the fixing member 24. It can be elastically press-fitted into and firmly fixed.
【００２０】また、図５に示すように、処置具挿入口８
側の第１の案内部材１６は固定部材２７からなり、この
固定部材２７には、図示しない鉗子栓を着脱自在に取り
付けるための取付け穴２８が処置具３の挿入方向（案内
方向）に設けられている。この取付け穴２８の内径は、
前記鉗子栓の外径よりも小さい寸法に設定されている。Further, as shown in FIG. 5, the treatment instrument insertion port 8
The first guide member 16 on the side is composed of a fixing member 27, and an attaching hole 28 for detachably attaching a forceps plug (not shown) is provided in the fixing member 27 in the insertion direction (guide direction) of the treatment tool 3. ing. The inner diameter of the mounting hole 28 is
The size is set to be smaller than the outer diameter of the forceps plug.
【００２１】上記構成の内視鏡用処置具挿抜装置１を使
用して処置具の挿入部（シース１０）を経内視鏡的に体
腔内に導入する場合には、まず、洗浄消毒済みの着脱自
在な部品、すなわち、鉗子栓と、回転駆動ローラー１４
と、案内部材本体２５とを挿抜装置１に取り付ける。When the insertion portion (sheath 10) of the treatment instrument is introduced endoscopically into the body cavity using the treatment instrument insertion / extraction device 1 for an endoscope having the above-described configuration, first, the treatment instrument is cleaned and disinfected. Detachable parts, namely forceps plug and rotary drive roller 14
And the guide member main body 25 are attached to the insertion / extraction device 1.
【００２２】すなわち、第１の案内部材１６を形成する
固定部材２７の取付け穴２８に案内部材本体としての鉗
子栓を押し込んでその弾性力によって圧着固定する。そ
して、この状態で鉗子栓を処置具挿入口８に取り付け
る。また、回転駆動ローラー１４の挿入穴１７内に回転
軸１８を押し込んで圧着固定し、案内部材本体２５を固
定部材２４の枠内空間に押し込んで圧着固定する。That is, the forceps plug as the guide member main body is pushed into the mounting hole 28 of the fixing member 27 forming the first guide member 16 and crimped and fixed by its elastic force. Then, in this state, the forceps plug is attached to the treatment instrument insertion port 8. Further, the rotary shaft 18 is pushed into the insertion hole 17 of the rotary drive roller 14 and fixed by pressure, and the guide member body 25 is pushed into the space inside the frame of the fixing member 24 and fixed by pressure.
【００２３】以上のようにして取り付け作業が完了した
ら、今度は、処置具３のシース１０を、第２の案内部材
１５の案内部材本体２５の挿通穴２６内に挿通するとと
もに、２つの回転駆動ローラー１４，１４間に挟持させ
る。この時、回転駆動ローラー１４は弾性変形して処置
具３のシース１０に密着する。そして、この状態からさ
らに処置具３のシース１０を押し進めて第１の案内部材
１６の固定部材２７に取付けられた鉗子栓の内孔へと導
入する。When the attachment work is completed as described above, this time, the sheath 10 of the treatment instrument 3 is inserted into the insertion hole 26 of the guide member main body 25 of the second guide member 15, and two rotation drives are performed. The rollers 14 and 14 are clamped. At this time, the rotation driving roller 14 elastically deforms and comes into close contact with the sheath 10 of the treatment instrument 3. Then, from this state, the sheath 10 of the treatment instrument 3 is further pushed and introduced into the inner hole of the forceps plug attached to the fixing member 27 of the first guide member 16.
【００２４】次に、駆動制御スイッチ２３により正転の
操作を行うと、駆動モーター２０が正転して、回転駆動
ローラー１４が図２の矢印で示す方向に回転する。その
結果、処置具３は、シース１０と回転駆動ローラー１４
との摩擦力によって、内視鏡２の鉗子挿入口８から処置
具挿通用チャンネル内へと自動的に挿入され、内視鏡挿
入部５の先端部６から突出されて体腔内に導入される。Next, when the drive control switch 23 is operated to rotate in the normal direction, the drive motor 20 rotates in the normal direction and the rotary drive roller 14 rotates in the direction shown by the arrow in FIG. As a result, the treatment instrument 3 includes the sheath 10 and the rotation driving roller 14
Is automatically inserted into the treatment tool insertion channel from the forceps insertion opening 8 of the endoscope 2 by the frictional force of the, and is projected from the distal end portion 6 of the endoscope insertion portion 5 and introduced into the body cavity. .
【００２５】なお、駆動制御スイッチ２３によって逆転
の操作を行うと、駆動モーター２０が逆転し、処置具３
が体腔内ひいては内視鏡２の処置具挿通用チャンネルか
ら自動的に引き抜かれる。When the drive control switch 23 is operated in the reverse direction, the drive motor 20 is rotated in the reverse direction, and the treatment instrument 3
Is automatically pulled out from the body cavity, and further from the treatment instrument insertion channel of the endoscope 2.
【００２６】以上説明したように、本実施例の内視鏡用
処置具挿抜装置１は、スイッチ操作１つで、内視鏡のチ
ャンネルに対する処置具の挿入・抜脱を自動的に行なう
ことができ、また、その際の操作も簡単である。As described above, the endoscopic treatment tool insertion / removal device 1 according to the present embodiment can automatically insert / remove the treatment tool into / from the channel of the endoscope by one switch operation. It is possible and the operation at that time is also easy.
【００２７】また、処置具３と接触する汚染され易い部
分、すなわち、鉗子栓と、回転駆動ローラー１４と、案
内部材本体２５とが、挿抜装置１の本体１２に対して着
脱自在となっているため、これらを容易に取り外して洗
浄・消毒することができる。Further, a portion which is likely to be contaminated and which comes into contact with the treatment tool 3, that is, the forceps plug, the rotation driving roller 14, and the guide member main body 25 are detachable from the main body 12 of the insertion / extraction device 1. Therefore, these can be easily removed for cleaning / disinfection.
【００２８】図６は本発明の第２の実施例を示すもので
ある。本実施例は、第１の実施例の構成と同一である
が、装置本体１２の外部に突出する２本の回転軸１８，
１８に外径の異なる複数種類の回転駆動ローラーの対
（１４ａ，１４ａ）（１４ｂ，１４ｂ）…を着脱自在に
選択的に取り付けるようにしたものである。FIG. 6 shows a second embodiment of the present invention. This embodiment has the same configuration as that of the first embodiment, except that two rotary shafts 18, which project to the outside of the apparatus body 12,
A plurality of pairs of rotary drive rollers (14a, 14a) (14b, 14b) ... Having different outer diameters are detachably and selectively attached to 18.
【００２９】例えば、回転駆動ローラー１４ａ，１４ａ
の外径は回転駆動ローラー１４ｂ，１４ｂの外径よりも
小さくなっており、回転駆動ローラー１４ａ，１４ａの
挟持間隔Ａが回転駆動ローラー１４ｂ，１４ｂの挟持間
隔Ａ´よりも大きくなるように設定されている。なお、
回転駆動ローラー１４ａ，１４ａの挿入穴１７の内径と
回転駆動ローラー１４ｂ，１４ｂの挿入穴１７の内径は
同一となっている。For example, the rotation driving rollers 14a, 14a
Is smaller than the outer diameters of the rotation driving rollers 14b, 14b, and the holding distance A between the rotation driving rollers 14a, 14a is set to be larger than the holding distance A'of the rotation driving rollers 14b, 14b. ing. In addition,
The inner diameters of the insertion holes 17 of the rotation driving rollers 14a, 14a and the inner diameters of the insertion holes 17 of the rotation driving rollers 14b, 14b are the same.
【００３０】このような構成では、第１の実施例と同一
の作用効果を得られることは勿論のこと、挟持間隔の異
なる回転駆動ローラー（１４ａ，１４ａ）（１４ｂ，１
４ｂ）…を使い分けることによって、外径の異なる処置
具あるいは強度の低い処置具等、様々な処置具に適用可
能となる。With such a construction, it is of course possible to obtain the same effects as those of the first embodiment, and of course the rotary drive rollers (14a, 14a) (14b, 1) having different clamping intervals.
It is possible to apply various treatment tools such as a treatment tool having a different outer diameter or a treatment tool having a low strength by properly using 4b).
【００３１】図７は本発明の第３の実施例を示すもので
ある。本実施例において、回転駆動ローラー１４は、回
転軸１８に固定されるローラー本体２９と、ローラー本
体２９の外周に嵌着される弾性リング３０とによって構
成されている。なお、それ以外の構成は第１の実施例と
同一である。FIG. 7 shows a third embodiment of the present invention. In this embodiment, the rotary drive roller 14 is composed of a roller body 29 fixed to the rotary shaft 18 and an elastic ring 30 fitted around the outer circumference of the roller body 29. The rest of the configuration is the same as in the first embodiment.
【００３２】このような構成では、第１の実施例と同一
の作用効果を得られることは勿論のこと、回転駆動ロー
ラー１４全体を洗浄することなく、処置具３と接触する
弾性リング３０のみを洗浄消毒すれば足りる。すなわ
ち、洗浄・消毒領域が小さくなるため、洗浄液や消毒液
の使用量を少なくすることができ、洗浄消毒時間を短縮
することができる。With such a construction, it is of course possible to obtain the same effects as those of the first embodiment, and of course, only the elastic ring 30 which comes into contact with the treatment tool 3 is washed without cleaning the entire rotary drive roller 14. It only needs to be washed and disinfected. That is, since the cleaning / disinfecting area becomes smaller, the amount of cleaning liquid or disinfecting liquid used can be reduced, and the cleaning / disinfecting time can be shortened.
【００３３】図８は本発明の第４の実施例を示すもので
ある。本実施例において、回転駆動ローラー１４は、回
転軸１８に固定されるローラー本体２９と、ローラー本
体２９の外周に嵌着される弾性リング３０とによって構
成されている。ローラー本体２９の外周面には、その周
方向に沿って、径方向外側に突出する凸状の突起２９ａ
が形成されている。また、これに対応して、弾性リング
３０の内周面には、その周方向に沿って、径方向内側に
前記突起２９ａと係合する凹状の溝部３０ａが形成され
ている。FIG. 8 shows a fourth embodiment of the present invention. In this embodiment, the rotary drive roller 14 is composed of a roller body 29 fixed to the rotary shaft 18 and an elastic ring 30 fitted around the outer circumference of the roller body 29. On the outer peripheral surface of the roller body 29, a convex protrusion 29a that projects radially outward along the circumferential direction.
Are formed. Corresponding to this, the inner peripheral surface of the elastic ring 30 is formed with a concave groove portion 30a that engages with the protrusion 29a radially inward along the circumferential direction.
【００３４】このような構成では、弾性リング３０をロ
ーラー本体２９に押し込み、それぞれの凹凸を噛み合わ
せることにより、弾性リング３０がローラー本体２９に
固定されて保持される。そして、突起２９ａと溝部３０
ａとの係合によって弾性リング３０の回転軸方向のずれ
が防止される。すなわち、回転使用中に、弾性リング３
０がローラー本体２９から外れてしまうことがない。In such a configuration, the elastic ring 30 is pushed into the roller main body 29 and the irregularities are meshed with each other, whereby the elastic ring 30 is fixed and held by the roller main body 29. Then, the protrusion 29a and the groove 30
The engagement with “a” prevents the elastic ring 30 from being displaced in the rotation axis direction. That is, during use in rotation, the elastic ring 3
0 does not come off from the roller body 29.
【００３５】図９は本発明の第５の実施例を示すもので
ある。本実施例は、ローラー本体２９の外周面に凹状の
溝部２９ｂが形成され、弾性リング３０の内周面に前記
溝部２９ｂと係合する凸状の突起３０ｂが形成されてい
る。この構成では、ローラー本体２９に対する弾性リン
グ３０の回転方向のずれ（滑り）を防止できる。したが
って、ローラー本体２９側の回転駆動力を弾性リング３
０に効率良く伝達できる。FIG. 9 shows a fifth embodiment of the present invention. In this embodiment, a concave groove portion 29b is formed on the outer peripheral surface of the roller body 29, and a convex protrusion 30b that engages with the groove portion 29b is formed on the inner peripheral surface of the elastic ring 30. With this configuration, it is possible to prevent the elastic ring 30 from slipping (sliding) in the rotational direction with respect to the roller body 29. Therefore, the rotation driving force on the roller body 29 side is applied to the elastic ring 3
Can be efficiently transmitted to 0.
【００３６】図１０は本発明の第６の実施例を示すもの
である。本実施例は、第２の実施例と第３の実施例とを
組み合わせたものである。すなわち、駆動機構１３によ
って回転する２本の回転軸１８、１８が装置本体１２の
外部に突出している。装置本体１２の外部に突出する回
転軸１８，１８の部位にはそれぞれ外径の異なる複数種
類の回転駆動ローラーの対（１４ａ，１４ａ）（１４
ｂ，１４ｂ）…を着脱自在に選択的に取り付けることが
できるようになっている。この場合、回転駆動ローラー
１４（１４ａ，１４ｂ，…）は、回転軸１８に固定され
るローラー本体２９と、ローラー本体２９の外周に嵌着
される弾性リング３０とによって構成されている。FIG. 10 shows a sixth embodiment of the present invention. This embodiment is a combination of the second embodiment and the third embodiment. That is, the two rotary shafts 18, 18 rotated by the drive mechanism 13 are projected to the outside of the apparatus main body 12. A pair of rotary drive rollers (14a, 14a) (14a, 14a) (14a, 14a) (14a, 14a) (14a, 14a) (14a, 14a) having different outer diameters are provided at the portions of the rotary shafts 18, 18 protruding to the outside of the apparatus body 12.
b, 14b) ... can be detachably and selectively attached. In this case, the rotation driving roller 14 (14a, 14b, ...) Is composed of a roller body 29 fixed to the rotation shaft 18 and an elastic ring 30 fitted to the outer periphery of the roller body 29.
【００３７】また、回転駆動ローラー１４ａ，１４ａの
外径は回転駆動ローラー１４ｂ，１４ｂの外径よりも小
さくなっており、回転駆動ローラー１４ａ，１４ａの挟
持間隔Ａが回転駆動ローラー１４ｂ，１４ｂの挟持間隔
Ａ´よりも大きくなるように設定されている。なお、回
転駆動ローラー１４ａ，１４ａの挿入穴１７の内径と回
転駆動ローラー１４ｂ，１４ｂの挿入穴１７の内径は同
一となっている。Further, the outer diameters of the rotation driving rollers 14a, 14a are smaller than the outer diameters of the rotation driving rollers 14b, 14b, and the sandwiching distance A between the rotation driving rollers 14a, 14a is sandwiched between the rotation driving rollers 14b, 14b. It is set to be larger than the interval A '. The inner diameters of the insertion holes 17 of the rotation driving rollers 14a and 14a are the same as the inner diameters of the insertion holes 17 of the rotation driving rollers 14b and 14b.
【００３８】このような構成では、第２の実施例の効果
と第３の実施例の効果とを同時に得ることができる。図
１１は本発明の第７の実施例を示すものである。With such a structure, the effect of the second embodiment and the effect of the third embodiment can be obtained at the same time. FIG. 11 shows a seventh embodiment of the present invention.
【００３９】本実施例では、第１の実施例の構成に加
え、固定用ベルト３１が装置本体１２に取り付けられて
いる。この構成では、固定ベルト３１によって、本体１
２が内視鏡２の操作部４に固定される。したがって、第
１の実施例のように、装置１を鉗子栓の弾性力のみによ
って内視鏡に固定する場合に比べ、装置１の固定強度を
高めることができる。その結果、装置１の固定状態が安
定し、操作性が良くなる。In this embodiment, in addition to the structure of the first embodiment, a fixing belt 31 is attached to the apparatus main body 12. In this structure, the main body 1 is fixed by the fixing belt 31.
2 is fixed to the operation unit 4 of the endoscope 2. Therefore, the fixing strength of the device 1 can be increased as compared with the case where the device 1 is fixed to the endoscope only by the elastic force of the forceps plug as in the first embodiment. As a result, the fixed state of the device 1 is stable and the operability is improved.
【００４０】図１２ないし図１６は本発明の第８の実施
例を示すものである。なお、以下の各実施例において、
第１ないし第７の実施例と同一の部材については同一符
号を付してその詳細な説明を省略する。12 to 16 show an eighth embodiment of the present invention. In each of the following examples,
The same members as those in the first to seventh embodiments are designated by the same reference numerals, and detailed description thereof will be omitted.
【００４１】本実施例の挿抜装置６０は、駆動機構１３
ａの構成が第１の実施例と部分的に異なっている。すな
わち、図１３に示すように、駆動機構１３ａを構成する
駆動歯車２２が巻き上げ軸６２に取付けられている。巻
き上げ軸６２には、板バネを渦巻状に巻いた構造のぜん
まい６１（図１４参照）の一端が、その渦巻き中心位置
で固定されている。つまり、巻き付け軸６２は、ぜんま
い６１の渦巻き中心位置に配されている。また、図１４
に示すように、ぜんまい６１の他端は装置本体１２に固
定されている。また、巻き上げ軸６２はその一端側が装
置本体１２の外部に突出している。The insertion / removal device 60 of this embodiment has the drive mechanism 13
The configuration of a is partially different from that of the first embodiment. That is, as shown in FIG. 13, the drive gear 22 that constitutes the drive mechanism 13 a is attached to the winding shaft 62. One end of a mainspring 61 (see FIG. 14) having a structure in which a leaf spring is wound in a spiral shape is fixed to the winding shaft 62 at the spiral center position. That is, the winding shaft 62 is arranged at the spiral center position of the mainspring 61. FIG.
As shown in, the other end of the mainspring 61 is fixed to the apparatus main body 12. Further, one end side of the winding shaft 62 projects outside the apparatus main body 12.
【００４２】また、駆動歯車２２の駆動による回転歯車
１９，１９の回転はストッパー６３によって停止される
ようになっている。すなわち、図１３に示すように、い
ずれか一方の回転歯車１９の歯とストッパー６３の一端
に設けられた凸部６３ａとがバネ６４の付勢力によって
噛み合っている。つまり、バネ６４は、回転歯車１９の
歯とストッパー６３の凸部６３ａとが噛み合う方向にス
トッパー６３を常時付勢しており、このバネ６４の付勢
力に抗してストッパー６３を引き上げると、噛み合い状
態が解除されるようになっている。The rotation of the rotary gears 19, 19 by the drive of the drive gear 22 is stopped by the stopper 63. That is, as shown in FIG. 13, the teeth of any one of the rotary gears 19 and the convex portion 63 a provided at one end of the stopper 63 mesh with each other by the biasing force of the spring 64. That is, the spring 64 constantly urges the stopper 63 in the direction in which the teeth of the rotary gear 19 and the convex portion 63a of the stopper 63 mesh with each other, and when the stopper 63 is pulled up against the urging force of the spring 64, the meshing occurs. The state is set to be released.
【００４３】図１５に示すように、装置本体１２の外部
に突出する巻き上げ軸６２の端面６５には円形溝６９が
設けられている。この円形溝６９の奥部には凹部６９ａ
が設けられている。As shown in FIG. 15, a circular groove 69 is provided on the end surface 65 of the winding shaft 62 projecting to the outside of the apparatus main body 12. A recess 69a is formed in the inner part of the circular groove 69.
Is provided.
【００４４】また、図１６に示すように、巻き上げ軸６
２に着脱自在に取り付けられる巻き付け部材６６は、把
持部６７と、巻き上げ軸６２に接続される円筒状の接続
部６８とから成る。そして、接続部６８には、巻き上げ
軸６２の円形溝６９の凹部６９ａと噛み合う凸部６８ａ
が設けられている。As shown in FIG. 16, the winding shaft 6
The winding member 66 detachably attached to the second member 2 includes a grip portion 67 and a cylindrical connecting portion 68 connected to the winding shaft 62. The connecting portion 68 has a convex portion 68a that meshes with the concave portion 69a of the circular groove 69 of the winding shaft 62.
Is provided.
【００４５】なお、前述した各実施例と同様、鉗子栓
と、回転駆動ローラー１４と、案内部材本体２５とが、
挿抜装置１の本体１２に対して着脱自在であることは言
うまでもない（以下の各実施例についても同じ）。As in the above-mentioned respective embodiments, the forceps plug, the rotation driving roller 14, and the guide member main body 25 are
It goes without saying that it is detachable from the main body 12 of the insertion / removal device 1 (the same applies to each of the following embodiments).
【００４６】次に、上記構成の挿抜装置６０の動作につ
いて説明する。まず、巻き上げ軸６２の円形溝６９に巻
き付け部材６６の接続部６８を取り付け、それぞれの凹
部６９ａと凸部６８ａとを噛み合わせる。その後、スト
ッパー６３を引き上げた状態で、巻き付け部材６６を図
１４の矢印の方向に回転させて、ぜんまい６１を巻き付
け軸６２に巻き付ける。この時、巻き付けられるぜんま
い６１の弾性力によって駆動力が発生する。Next, the operation of the insertion / removal device 60 having the above structure will be described. First, the connecting portion 68 of the winding member 66 is attached to the circular groove 69 of the winding shaft 62, and the respective concave portions 69a and convex portions 68a are engaged with each other. Then, with the stopper 63 pulled up, the winding member 66 is rotated in the direction of the arrow in FIG. 14 to wind the mainspring 61 around the winding shaft 62. At this time, the driving force is generated by the elastic force of the mainspring 61 wound around.
【００４７】巻き付け作業が完了したら、ストッパー６
３の引き上げ状態を解除することによりストッパー６３
の一端の凸部６３ａを回転歯車１９の歯に噛み合わせ、
回転歯車１９の回転を規制する。When the winding work is completed, the stopper 6
By releasing the pull-up state of 3, the stopper 63
Engage the protrusion 63a at one end with the teeth of the rotary gear 19,
The rotation of the rotary gear 19 is restricted.
【００４８】この状態から挿抜装置６０を作動させるに
は、ストッパー６３を引き上げればよい。ぜんまい６１
の弾性力によって巻き上げ軸６２が図１４の矢印と逆方
向に回転し、その回転によって回転歯車１９と回転軸１
８と回転駆動ローラー１４とが回転して、回転駆動ロー
ラー１４に挟持されている処置具３が内視鏡２の処置具
挿通用チャンネル内へと挿入される。In order to operate the insertion / extraction device 60 from this state, the stopper 63 may be pulled up. Mainspring 61
The elastic force of the winding shaft 62 causes the winding shaft 62 to rotate in the direction opposite to the arrow in FIG. 14, and the rotation causes the rotation gear 19 and the rotation shaft 1 to rotate.
8 and the rotation drive roller 14 rotate, and the treatment instrument 3 sandwiched by the rotation drive roller 14 is inserted into the treatment instrument insertion channel of the endoscope 2.
【００４９】以上説明したように、本実施例の挿抜装置
６０は、第１の実施例と同一の作用効果を奏することは
無論、処置具３のチャンネル内への挿入をストッパー６
３の引き上げ操作のみで行えるため、操作が容易であ
る。また、駆動源に電気モーターを用いていないため、
駆動機構が簡単となり、装置全体が軽量となる。As described above, the insertion / removal device 60 of this embodiment has the same effects as the first embodiment, of course, and the stopper 6 for inserting the treatment instrument 3 into the channel.
Since it can be performed only by the pulling operation of 3, the operation is easy. Also, because no electric motor is used as a drive source,
The drive mechanism is simple and the entire device is lightweight.
【００５０】図１７は本発明の第９の実施例を示すもの
である。本実施例の挿抜装置６０ａは、装置本体１２内
にラック部材７０を有している。ラック部材７０は、そ
の一端部が装置本体１２の外部に突出しており、その他
端部と装置本体１２との間に介装されたコイルバネ７１
によって突出方向に付勢されている。なお、この場合、
コイルバネ７１はその一端部が装置本体１２に固定され
ている。FIG. 17 shows a ninth embodiment of the present invention. The insertion / extraction device 60 a of the present embodiment has a rack member 70 inside the device body 12. The rack member 70 has one end projecting to the outside of the apparatus main body 12 and a coil spring 71 interposed between the other end and the apparatus main body 12.
Is urged in the protruding direction by. In this case,
One end of the coil spring 71 is fixed to the apparatus body 12.
【００５１】また、ラック部材７０の一方の平面には駆
動歯車２２と噛み合う平歯車７２が設けられている。ま
た、ラック部材７０の側方には、ラック部材７０の側方
へのずれを防止して水平な動作を可能にするガイド部材
７３が設けられている。なお、それ以外の構成は第８の
実施例と同一である。A spur gear 72 that meshes with the drive gear 22 is provided on one plane of the rack member 70. Further, a guide member 73 is provided on the side of the rack member 70 to prevent the rack member 70 from being displaced to the side and allow a horizontal operation. The rest of the configuration is the same as that of the eighth embodiment.
【００５２】上記構成の挿抜装置６０ａでは、ストッパ
ー６３を引き上げた状態でラック部材７０をコイルバネ
７１の付勢力に抗して装置本体１２の内部に押し込む
と、コイルバネ７１の弾性力によって駆動力が発生す
る。In the insertion / removal device 60a having the above structure, when the rack member 70 is pushed into the main body 12 of the apparatus against the biasing force of the coil spring 71 with the stopper 63 pulled up, a driving force is generated by the elastic force of the coil spring 71. To do.
【００５３】この押し込み作業が終了したら、ストッパ
ー６３の引き上げ状態を解除することによりストッパー
６３の一端の凸部６３ａを回転歯車１９の歯に噛み合わ
せ、回転歯車１９の回転を規制する。When this pushing operation is completed, the raised state of the stopper 63 is released so that the convex portion 63a at one end of the stopper 63 meshes with the teeth of the rotary gear 19 to restrict the rotation of the rotary gear 19.
【００５４】この状態から挿抜装置６０ａを作動させる
には、ストッパー６３を引き上げればよい。コイルバネ
７１の弾性力によってラック部材７０が図１７の矢印方
向に送られ、ラック部材７０と噛み合う駆動歯車２２が
回転する。In order to operate the insertion / extraction device 60a from this state, the stopper 63 may be pulled up. The elastic force of the coil spring 71 sends the rack member 70 in the direction of the arrow in FIG. 17, and the drive gear 22 meshing with the rack member 70 rotates.
【００５５】以上説明したように、本実施例の挿抜装置
６０ａは、第８の実施例と同様の作用効果を奏すること
ができるとともに、ラック部材７０の長さ及び押し込み
量を調節することにより、歯車の回転数を規定すること
ができる。As described above, the insertion / extraction device 60a of this embodiment can achieve the same effects as those of the eighth embodiment, and by adjusting the length and pushing amount of the rack member 70, The number of rotations of the gear can be specified.
【００５６】図１８は本発明の第１０の実施例を示すも
のである。本実施例の挿抜装置６０ｂは、装置本体１２
内にワイヤドラム７４を有している。このワイヤドラム
７４は、装置本体１２に回転自在に固定されており、駆
動軸２１を介して駆動歯車２２に取り付けられている。
また、ワイヤドラム７４にはワイヤ７５の一端が固定さ
れ、ワイヤ７５の他端は装置本体１２に固定されたコイ
ルバネ７１に接続されている。なお、それ以外の構成は
第８の実施例と同一である。FIG. 18 shows a tenth embodiment of the present invention. The insertion / removal device 60b of this embodiment includes the device main body 12
It has a wire drum 74 inside. The wire drum 74 is rotatably fixed to the apparatus main body 12 and attached to the drive gear 22 via the drive shaft 21.
Further, one end of the wire 75 is fixed to the wire drum 74, and the other end of the wire 75 is connected to the coil spring 71 fixed to the apparatus body 12. The rest of the configuration is the same as that of the eighth embodiment.
【００５７】上記構成の挿抜装置６０ｂでは、ストッパ
ー６３を引き上げた状態で回転駆動ローラー１４を回転
させると、回転軸１８、回転歯車１９、駆動歯車２２及
び駆動軸２１を介してワイヤドラム７４が回転し、ワイ
ヤ７５がワイヤドラム７４に巻き取られる。この時、コ
イルバネ７１が引き伸ばされ、コイルバネ７１の弾性力
によって駆動力が発生する。In the insertion / extraction device 60b having the above-described structure, when the rotary drive roller 14 is rotated with the stopper 63 pulled up, the wire drum 74 is rotated via the rotary shaft 18, the rotary gear 19, the drive gear 22 and the drive shaft 21. Then, the wire 75 is wound around the wire drum 74. At this time, the coil spring 71 is stretched, and a driving force is generated by the elastic force of the coil spring 71.
【００５８】回転駆動ローラー１４の回転作業が終了し
たら、ストッパー６３の引き上げ状態を解除することに
よりストッパー６３の一端の凸部６３ａを回転歯車１９
の歯に噛み合わせ、回転歯車１９の回転を規制する。When the rotating operation of the rotary drive roller 14 is completed, the raised state of the stopper 63 is released so that the convex portion 63a at one end of the stopper 63 is rotated.
The rotation of the rotary gear 19 is restricted by meshing with the teeth of the.
【００５９】この状態から挿抜装置６０ｂを作動させる
には、ストッパー６３を引き上げればよい。回転歯車１
９の回転の規制が解除され、コイルバネ７１の弾性力に
よってワイヤドラム７４が回転し、前記各部材を介して
回転駆動ローラー１４が回転する。In order to operate the insertion / removal device 60b from this state, the stopper 63 may be pulled up. Rotating gear 1
The restriction of rotation of 9 is released, the wire drum 74 is rotated by the elastic force of the coil spring 71, and the rotation drive roller 14 is rotated via the above-mentioned members.
【００６０】以上説明したように、本実施例の挿抜装置
６０ｂは、第８の実施例と同様の作用効果を奏すること
ができるとともに、コイルバネ７１を装置本体１２内の
任意の位置に設置することができるため、装置本体１２
内のスペースを有効に利用できる。As described above, the insertion / removal device 60b of this embodiment can achieve the same effects as those of the eighth embodiment, and the coil spring 71 can be installed at any position in the device main body 12. The device body 12
The space inside can be used effectively.
【００６１】図１９ないし図２２は本発明の第１１の実
施例を示すものである。図１９及び図２０に示すよう
に、本実施例の挿抜装置８０では、第１の実施例に示し
た別個の駆動機構１３によって回転する２対の回転軸
（１８ａ，１８ａ）、（１８ｂ，１８ｂ）が装置本体１
２の外部に突出している。図中、２３ａは回転駆動ロー
ラー１４ａ，１４ａ側の駆動制御スイッチであり、２３
ｂは回転駆動ローラー１４ｂ，１４ｂ側の駆動制御スイ
ッチである。19 to 22 show the 11th embodiment of the present invention. As shown in FIGS. 19 and 20, in the insertion / extraction device 80 of the present embodiment, two pairs of rotary shafts (18a, 18a), (18b, 18b) rotated by the separate drive mechanism 13 shown in the first embodiment. ) Is the device body 1
2 is projected to the outside. In the figure, 23a is a drive control switch on the side of the rotary drive rollers 14a, 14a,
Reference numeral b is a drive control switch on the side of the rotary drive rollers 14b and 14b.
【００６２】装置本体１２の外部に突出する回転軸１８
ａ，１８ｂの各部位にはそれぞれ回転駆動ローラー１４
…が着脱自在に取り付けられている。この場合、回転軸
１８ａ，１８ａに取り付けられた回転駆動ローラー１４
ａ，１４ａが対となって処置具３を挟持部４１ａで挟持
し、また、回転軸１８ｂ，１８ｂに取り付けられた回転
駆動ローラー１４ｂ，１４ｂが対となって処置具３を挟
持部 ４１ｂで挟持する。そして、回転駆動ローラー１
４ａ， １４ａと回転駆動ローラー１４ｂ，１４ｂは互
いに装置本体 １２の壁面から異なる距離に配置されて
いる（図２０参照）。The rotary shaft 18 protruding outside the apparatus main body 12
Each of a and 18b has a rotary drive roller 14
... is detachably attached. In this case, the rotary drive roller 14 attached to the rotary shafts 18a, 18a
a, 14a form a pair to sandwich the treatment instrument 3 with the sandwiching portion 41a, and the rotary drive rollers 14b, 14b attached to the rotating shafts 18b, 18b form a pair to sandwich the treatment instrument 3 with the sandwiching portion 41b. To do. And the rotary drive roller 1
4a, 14a and the rotation driving rollers 14b, 14b are arranged at different distances from the wall surface of the apparatus body 12 (see FIG. 20).
【００６３】図２１には手元側の第２の案内部材１５が
示されている。固定部材２４の枠内に圧入固定される案
内部材本体２５には、処置具３のシース１０を挿通可能
な２つの挿通穴２６ａ，２６ｂが形成されている。FIG. 21 shows the second guide member 15 on the hand side. The guide member main body 25 that is press-fitted and fixed in the frame of the fixing member 24 is formed with two insertion holes 26a and 26b through which the sheath 10 of the treatment instrument 3 can be inserted.
【００６４】図２２の（ａ）に示すように、内視鏡２の
処置具挿入口８（図１参照）側の第１の案内部材１６
は、固定部材２７と、この固定部材２７に固定される略
筒状の案内部材本体５２とから成る。案内部材本体５２
は、弾性材料によって形成されており、固定部材２７の
着脱穴５５（図２２の（ｂ）参照）に着脱自在に取り付
けられる第１の着脱部５３と、処置具挿入口８に着脱自
在に取り付けられる第２の着脱部５４とから成る。この
場合、第１の着脱部５３の外径は固定部材２７の着脱穴
５５の内径よりも大きな寸法に設定されており、また、
第２の着脱部５４の外径は処置具挿入口８の内径よりも
大きな寸法に設定されている。As shown in FIG. 22 (a), the first guide member 16 of the endoscope 2 on the side of the treatment instrument insertion port 8 (see FIG. 1).
Is composed of a fixing member 27 and a substantially cylindrical guide member main body 52 fixed to the fixing member 27. Guide member main body 52
Is made of an elastic material and is detachably attached to the attachment / detachment hole 55 (see FIG. 22B) of the fixing member 27, and detachably attached to the treatment instrument insertion port 8. And a second attaching / detaching portion 54 that is provided. In this case, the outer diameter of the first attachment / detachment portion 53 is set to be larger than the inner diameter of the attachment / detachment hole 55 of the fixing member 27, and
The outer diameter of the second attachment / detachment portion 54 is set to be larger than the inner diameter of the treatment instrument insertion port 8.
【００６５】図２２の（ｃ）に示すように、案内部材本
体５２は、次第に小径化するテーパー孔５７ａを第１の
着脱部５３側に有し、その全長にわたって内径が一定の
挿通孔５７ｂを第２の着脱部５４側に有している。テー
パー孔５７ａと挿通孔５７ｂとは互いに連通しており、
その連通部すなわちテーパー孔５７ａの終端には処置具
シース１０の外径よりも小径なシール部５６が形成され
ている。なお、テーパー孔５７ａの開口端の外径は、回
転駆動ローラー１４ａ，１４ｂ間の距離ｘ（図２０参
照）よりも大きな寸法に設定されている。なお、その他
の構成は第１の実施例と同一である。As shown in FIG. 22 (c), the guide member main body 52 has a tapered hole 57a on the first attaching / detaching portion 53 side, the diameter of which gradually decreases, and an insertion hole 57b having a constant inner diameter over its entire length. It is provided on the second attaching / detaching portion 54 side. The tapered hole 57a and the insertion hole 57b communicate with each other,
A seal portion 56 having a diameter smaller than the outer diameter of the treatment instrument sheath 10 is formed at the end of the communicating portion, that is, the tapered hole 57a. The outer diameter of the opening end of the tapered hole 57a is set to be larger than the distance x (see FIG. 20) between the rotary drive rollers 14a and 14b. The other structure is the same as that of the first embodiment.
【００６６】上記構成の挿抜装置８０を使用して処置具
３の挿入部（シース１０）を経内視鏡的に体腔内に導入
する場合には、まず、洗浄消毒済みの着脱自在な部品、
すなわち、案内部材本体５２と、回転駆動ローラー１４
と、案内部材本体２５とを挿抜装置８０に取り付ける。When the insertion portion (sheath 10) of the treatment instrument 3 is introduced endoscopically into the body cavity by using the insertion / removal device 80 having the above-described configuration, first, a detachable part that has been cleaned and sterilized,
That is, the guide member main body 52 and the rotation driving roller 14
And the guide member main body 25 are attached to the insertion / extraction device 80.
【００６７】すなわち、第１の案内部材１６を形成する
固定部材２７の着脱穴５５に案内部材本体 ５２の第１
の着脱部 ５３を押し込んでその弾性力によって圧着固
定する。そして、この状態で、案内部材本体５２の第２
の着脱部５４を内視鏡２の処置具挿入口８（図１参照）
に取り付ける。また、回転駆動ローラー１４の挿入穴１
７内に回転軸１８を押し込んで圧着固定し、案内部材本
体２５を固定部材２４の枠内空間に押し込んで圧着固定
する。That is, the first member of the guide member main body 52 is inserted into the attachment / detachment hole 55 of the fixing member 27 forming the first guide member 16.
The attachment / detachment portion 53 is pushed in and fixed by pressure due to its elastic force. Then, in this state, the second part of the guide member main body 52
The attachment / detachment portion 54 of the treatment instrument insertion opening 8 of the endoscope 2 (see FIG. 1)
Attach to In addition, the insertion hole 1 of the rotary drive roller 14
The rotary shaft 18 is pushed into the inside of the fixing member 7 and fixed by pressure, and the guide member main body 25 is pressed into the space inside the frame of the fixing member 24 and fixed by pressing.
【００６８】以上のようにして取り付け作業が完了した
ら、今度は、処置具３（３ａ，３ｂ）のシース１０（１
０ａ，１０ｂ）を、第２の案内部材１５の案内部材本体
２５の挿通穴２６ａ，２６ｂのいずれか一方に挿通す
る。この場合、挿通穴２６ａに挿通された処置具シース
１０ａ（図２０参照）は、処置具挟持部４１ａで挟持さ
れる。また、挿通穴２６ｂに挿通された処置具シース１
０ｂは、処置具挟持部４１ｂで挟持される。そして、こ
の状態からさらに処置具３のシース１０（１０ａ，１０
ｂ）を押し進めて第１の案内部材１６の固定部材２７に
取付けられた案内部材本体５２の内孔へと導入する。When the attachment work is completed as described above, this time, the sheath 10 (1) of the treatment instrument 3 (3a, 3b) is
0a, 10b) are inserted into one of the insertion holes 26a, 26b of the guide member main body 25 of the second guide member 15. In this case, the treatment instrument sheath 10a (see FIG. 20) inserted through the insertion hole 26a is held by the treatment tool holding portion 41a. Further, the treatment instrument sheath 1 inserted through the insertion hole 26b
0b is clamped by the treatment instrument clamping section 41b. Then, from this state, the sheath 10 (10a, 10a, 10
b) is pushed forward and introduced into the inner hole of the guide member main body 52 attached to the fixing member 27 of the first guide member 16.
【００６９】処置具挟持部４１ａで挟持された処置具３
ａを使用する場合には、処置具３ａのシース１０ａを押
し込んでその先端構成部１１ａを案内部材本体５２のテ
ーパー孔５７ａ内に導入する。これにより、先端構成部
１１ａはテーパ孔５７ａに案内されながら案内部材本体
５２内へと確実に導かれる。次に、駆動制御スイッチ２
３ａを操作して処置具３ａを挿入・抜去する。The treatment tool 3 clamped by the treatment tool clamping portion 41a
When using a, the sheath 10a of the treatment instrument 3a is pushed in and the distal end forming portion 11a is introduced into the tapered hole 57a of the guide member main body 52. As a result, the tip forming portion 11a is reliably guided into the guide member main body 52 while being guided by the tapered hole 57a. Next, drive control switch 2
3a is operated to insert and remove the treatment tool 3a.
【００７０】続けて処置具挟持部４１ｂで挟持された処
置具３ｂを使用する場合には、処置具３ａの先端構成部
１１ａが案内部材本体５２から外れる位置まで処置具３
ａを抜去し、次に、処置具３ｂの先端構成部１１ｂを案
内部材本体５２の内孔に押し込み、駆動制御スイッチ２
３ｂを操作することにより処置具３ｂを挿入・抜去す
る。When the treatment instrument 3b clamped by the treatment instrument clamp portion 41b is continuously used, the treatment instrument 3 is moved to a position where the distal end forming portion 11a of the treatment instrument 3a is disengaged from the guide member main body 52.
a is removed, and then the distal end forming portion 11b of the treatment instrument 3b is pushed into the inner hole of the guide member main body 52 to drive the drive control switch 2
By operating 3b, the treatment tool 3b is inserted / removed.
【００７１】なお、シール部５６は、シース１０ａ、１
０ｂの外径よりも小径となっているため、その接触部が
水密構造となり、処置具３ａ，３ｂを挿入した状態でも
吸引操作を行なうことができる。さらに、抜去時には、
シール部５６によってシース１０ａ，１０ｂの外面に付
着した汚物が除去される。The seal portion 56 is made up of the sheaths 10a, 1
Since the diameter is smaller than the outer diameter of 0b, the contact portion has a watertight structure, and the suction operation can be performed even with the treatment tools 3a and 3b inserted. Furthermore, at the time of removal,
The seal portion 56 removes the dirt attached to the outer surfaces of the sheaths 10a and 10b.
【００７２】以上説明したように、本実施例の挿抜装置
８０は、第１の実施例と同様な作用効果を奏することが
できるとともに、検査前に２つの処置具３ａ，３ｂを挿
抜装置８０に取り付けておくことにより、検査中の処置
具３ａ，３ｂの付け変え作業が不要となるため、操作性
が良い。従来、例えば高周波ナイフ等で組織を切除した
場合、その組織を回収するためには一度高周波ナイフを
挿抜装置から取り外して把持用鉗子に付け変える必要が
あったが、本実施例の挿抜装置８０によれば、そのよう
な繁雑な作業も不要となる。As described above, the insertion / removal device 80 of this embodiment can achieve the same effects as those of the first embodiment, and the two treatment tools 3a, 3b can be connected to the insertion / removal device 80 before the inspection. By attaching it, it is not necessary to replace the treatment tools 3a and 3b during the inspection, and the operability is good. Conventionally, for example, when a tissue is cut with a high-frequency knife or the like, it was necessary to remove the high-frequency knife from the insertion / extraction device once and replace it with a grasping forceps in order to recover the tissue. According to this, such complicated work becomes unnecessary.
【００７３】図２３は本発明の第１２の実施例を示すも
のである。図示のように、本実施例の挿抜装置８２は特
徴的な構成の駆動機構１３ｄを有している。この１つの
駆動機構１３ｄによって回転する２対の回転軸（１８
ａ，１８ａ）、（１８ｂ，１８ｂ）が装置本体１２の外
部に突出している。各回転軸１８ａ，１８ｂの他端側は
装置本体１２に固着された支持部材４２に回転自在に支
持されている。FIG. 23 shows a twelfth embodiment of the present invention. As shown in the figure, the insertion / extraction device 82 of this embodiment has a drive mechanism 13d having a characteristic configuration. Two pairs of rotating shafts (18
a, 18a) and (18b, 18b) project outside the apparatus main body 12. The other ends of the rotary shafts 18a and 18b are rotatably supported by a support member 42 fixed to the apparatus body 12.
【００７４】装置本体１２の外部に突出する回転軸１８
ａ，１８ｂの各部位にはそれぞれ回転駆動ローラー１４
…が着脱自在に取り付けられている。この場合、回転軸
１８ａ，１８ａに取り付けられた回転駆動ローラー１４
ａ，１４ａが対となって処置具３を挟持し、また、回転
軸１８ｂ，１８ｂに取り付けられた回転駆動ローラー１
４ｂ，１４ｂが対となって処置具３を挟持する。そし
て、回転駆動ローラー１４ａ，１４ａと回転駆動ローラ
ー１４ｂ，１４ｂは互いに装置本体１２の壁面から異な
る距離に配置されている 各回転軸１８ａ，１８ａ（１８ｂ，１８ｂ）には互いに
噛合する２つの回転歯車１９ａ，１９ａ（１９ｂ，１９
ｂ）が取り付けられている。回転歯車１９ａ，１９ａと
１９ｂ，１９ｂとは互いに固定部材４２から異なる距離
に設けられている。The rotating shaft 18 protruding outside the apparatus main body 12
Each of a and 18b has a rotary drive roller 14
... is detachably attached. In this case, the rotary drive roller 14 attached to the rotary shafts 18a, 18a
a and 14a form a pair to sandwich the treatment instrument 3 and also the rotary drive roller 1 attached to the rotary shafts 18b and 18b.
4b and 14b form a pair to sandwich the treatment tool 3. The rotary drive rollers 14a, 14a and the rotary drive rollers 14b, 14b are arranged at different distances from the wall surface of the apparatus main body 12. Two rotary gears that mesh with each other on the rotary shafts 18a, 18a (18b, 18b). 19a, 19a (19b, 19
b) is attached. The rotary gears 19a, 19a and 19b, 19b are provided at different distances from the fixed member 42.
【００７５】図中、４３は駆動モーター２０を固定する
固定部材であり、ここに駆動モーター２０が固定されて
いる。また、駆動モーター２０には切り換えボタン４５
が取付けられている。In the figure, 43 is a fixing member for fixing the drive motor 20, to which the drive motor 20 is fixed. Further, the drive motor 20 has a switching button 45
Is installed.
【００７６】固定部材４３と固定部材４２との間にはバ
ネ部材４４が設けられている。駆動モーター２０の駆動
軸２１は固定部材４２に対して摺動自在に固定されてい
る。駆動軸２１には駆動歯車２２が固定されており、こ
の駆動歯車２２はバネ部材４４によって回転歯車１９ａ
と噛み合う位置に付勢されている。A spring member 44 is provided between the fixing member 43 and the fixing member 42. The drive shaft 21 of the drive motor 20 is slidably fixed to the fixed member 42. A drive gear 22 is fixed to the drive shaft 21, and the drive gear 22 is rotated by a spring member 44.
It is biased to the position where it meshes with.
【００７７】このような構成の挿抜装置８２では、駆動
制御スイッチ２３を操作することにより駆動モーター２
０が作動し、駆動軸２１及び駆動歯車２２が回転する。
駆動歯車２２が回転することによってこれと噛み合って
いる回転歯車１９ａ，１９ａ、回転軸１８ａ，１８ａ及
び回転駆動ローラー１４ａ，１４ａが回転し、回転駆動
ローラー１４ａ，１４ａ間に挟持されるように配された
図示しない処置具３が内視鏡２（図１参照）の処置具挿
通用チャンネルに対して挿抜される（図２３の（ａ）の
状態）。In the insertion / extraction device 82 having such a structure, the drive motor 2 is operated by operating the drive control switch 23.
0 operates, and the drive shaft 21 and the drive gear 22 rotate.
As the drive gear 22 rotates, the rotary gears 19a, 19a, the rotary shafts 18a, 18a, and the rotary drive rollers 14a, 14a meshing with the drive gear 22 rotate, and are arranged so as to be sandwiched between the rotary drive rollers 14a, 14a. The treatment instrument 3 (not shown) is inserted into and removed from the treatment instrument insertion channel of the endoscope 2 (see FIG. 1) (state (a) of FIG. 23).
【００７８】図２３の（ｂ）に示すように切り換えボタ
ン４５を押し込むと、駆動歯車２２が回転歯車１９ｂと
噛み合う。この状態で駆動制御スイッチ２３を操作する
と、駆動モーター２０が作動し、駆動軸２１及び駆動歯
車２２が回転する。駆動歯車２２が回転することによっ
てこれと噛み合っている回転歯車１９ｂ，１９ｂ、回転
軸１８ｂ，１８ｂ及び回転駆動ローラー１４ｂ，１４ｂ
が回転し、回転駆動ローラー１４ｂ，１４ｂ間に挟持さ
れるように配された図示しない処置具３が内視鏡２（図
１参照）の処置具挿通用チャンネルに対して挿抜され
る。When the switching button 45 is pushed in as shown in FIG. 23 (b), the drive gear 22 meshes with the rotary gear 19b. When the drive control switch 23 is operated in this state, the drive motor 20 operates and the drive shaft 21 and the drive gear 22 rotate. The rotation gears 19b, 19b, the rotation shafts 18b, 18b, and the rotation drive rollers 14b, 14b meshed with the rotation of the drive gear 22.
Is rotated, and the treatment instrument 3 (not shown) arranged so as to be sandwiched between the rotation drive rollers 14b and 14b is inserted into and removed from the treatment instrument insertion channel of the endoscope 2 (see FIG. 1).
【００７９】以上説明したように、本実施例の挿抜装置
８２によれば、１つの駆動モーター２０で２対の回転駆
動ローラー（１４ａ，１４ａ）（１４ｂ，１４ｂ）を別
個に駆動させることができる。また、装置の軽量化を図
ることもできる。As described above, according to the inserting / extracting device 82 of this embodiment, one drive motor 20 can separately drive two pairs of rotary drive rollers (14a, 14a) (14b, 14b). . Also, the weight of the device can be reduced.
【００８０】図２４は本発明の第１３の実施例を示すも
のである。図示のように、本実施例の挿抜装置８４は、
装置本体１２の外部に突出する駆動モーター２０の駆動
軸２１ａに回転体４６が設けられており、回転体４６に
は駆動ベルト４７が取付けられている。駆動ベルト４７
は駆動歯車２２の駆動軸２１ａに取付けられており、駆
動歯車２２はステッピングモーター４８に回転自在に固
定されている。ステッピングモーター４８により可動さ
れる駆動歯車２２はその可動両端で回転歯車１９ａ及び
１９ｂに噛み合うように配置されている。FIG. 24 shows a thirteenth embodiment of the present invention. As shown in the figure, the insertion / extraction device 84 of this embodiment is
A rotary body 46 is provided on the drive shaft 21 a of the drive motor 20 projecting to the outside of the apparatus main body 12, and a drive belt 47 is attached to the rotary body 46. Drive belt 47
Is attached to the drive shaft 21a of the drive gear 22, and the drive gear 22 is rotatably fixed to the stepping motor 48. The drive gear 22 movable by the stepping motor 48 is arranged so as to mesh with the rotary gears 19a and 19b at both movable ends thereof.
【００８１】この構成では、切り換えスイッチ４９を操
作することによってステッピングモーター４８を作動さ
せると、駆動歯車２２が回転歯車１９ａまたは１９ｂと
噛み合う。この状態で駆動制御スイッチ２３を操作する
と、駆動モーター２０及び回転体４６が回転し、駆動ベ
ルト４７を介して駆動軸２１ｂ及び駆動歯車２２が回転
する。駆動歯車２２の回転によって、これと噛み合って
いる回転歯車１９ａまたは１９ｂ、回転軸１８ａまたは
１８ｂ及び回転ローラー１４ａまたは１４ｂが回転し、
回転ローラー１４ａまたは１４ｂに挟持される図示しな
い処置具が内視鏡のチャンネルに対して挿抜される。In this structure, when the stepping motor 48 is operated by operating the changeover switch 49, the drive gear 22 meshes with the rotary gear 19a or 19b. When the drive control switch 23 is operated in this state, the drive motor 20 and the rotating body 46 rotate, and the drive shaft 21b and the drive gear 22 rotate via the drive belt 47. The rotation of the drive gear 22 causes the rotation gear 19a or 19b, the rotation shaft 18a or 18b, and the rotation roller 14a or 14b meshing with the drive gear 22 to rotate,
A treatment tool (not shown) held between the rotating rollers 14a or 14b is inserted into or removed from the channel of the endoscope.
【００８２】図２５は本発明の第１４の実施例を示すも
のである。図２５の（ａ）は、本実施例の挿抜装置８６
をチャンネルを２つ有する２チャンネル内視鏡５０の処
置具挿入口５１ｄ，５１ｅに取り付けた状態を示してい
る。FIG. 25 shows a fourteenth embodiment of the present invention. FIG. 25A shows the insertion / extraction device 86 of this embodiment.
It shows a state in which is attached to the treatment instrument insertion ports 51d and 51e of the two-channel endoscope 50 having two channels.
【００８３】図２５の（ｂ）に示すように、挿抜装置８
６の装置本体１２の内部には駆動機構１３ｅが設けられ
ており、この駆動機構１３ｅによって回転する回転駆動
ローラー１４ｃ，１４ｄ，１４ｅが装置本体の外部に配
設されている。As shown in FIG. 25B, the insertion / removal device 8
A drive mechanism 13e is provided inside the apparatus body 12 of No. 6, and rotary drive rollers 14c, 14d, and 14e that are rotated by the drive mechanism 13e are disposed outside the apparatus body.
【００８４】回転駆動ローラー１４ｃには駆動軸２１が
取り付けてある。さらに、駆動軸２１には装置本体１２
の内部において駆動歯車２２と駆動モーター２０とが接
続している。A drive shaft 21 is attached to the rotary drive roller 14c. Further, the drive shaft 21 is attached to the device main body 12
The drive gear 22 and the drive motor 20 are connected to each other inside.
【００８５】回転駆動ローラー１４ｄ，１４ｅはそれぞ
れ回転軸１８ｄ，１８ｅに固定されており、回転軸１８
ｄ，１８ｅには本体１２内部において回転歯車１９ｄ，
１９ｅがそれぞれ固定され、回転軸１８ｄ，１８ｅの端
部はそれぞれ固定部材４２に回転自在に支持されてい
る。また、駆動歯車２２は回転歯車１９ｄ，１９ｅとそ
れぞれ噛み合っている。The rotation driving rollers 14d and 14e are fixed to the rotation shafts 18d and 18e, respectively.
d and 18e have rotating gears 19d,
19e are fixed, and the ends of the rotating shafts 18d and 18e are rotatably supported by the fixing member 42, respectively. The drive gear 22 meshes with the rotary gears 19d and 19e, respectively.
【００８６】回転駆動ローラー１４ｃと回転駆動ローラ
ー１４ｄと間には処置具３ｄのシース１０ｄを取り付け
る処置具挟持部４１ｄが、回転駆動ローラー１４ｃと回
転駆動ローラー１４ｅとの間には処置具３ｅのシース１
０ｅを取り付ける処置具挟持部４１ｅがそれぞれ設けら
れている。A treatment instrument holding portion 41d for attaching the sheath 10d of the treatment instrument 3d is provided between the rotation drive roller 14c and the rotation drive roller 14d, and the sheath of the treatment instrument 3e is provided between the rotation drive roller 14c and the rotation drive roller 14e. 1
A treatment instrument holding portion 41e to which 0e is attached is provided.
【００８７】なお、図中１５ｄ、１５ｅは手元側の案内
部材であり、１６ｄ、１６ｅは内視鏡５０の処置具挿通
口８（図１参照）に取り付けられる案内部材であり、２
３は駆動制御スイッチである。In the figure, 15d and 15e are guide members on the hand side, and 16d and 16e are guide members attached to the treatment instrument insertion port 8 (see FIG. 1) of the endoscope 50.
Reference numeral 3 is a drive control switch.
【００８８】次に、上記構成の挿抜装置８６の動作につ
いて説明する。始めに使用する処置具３ｄを、案内部材
１５ｄ、処置具挟持部４１ｄ及び案内部材１６ｄを通じ
て、左側のチャンネル内に導く。この状態で駆動制御ス
イッチ２３を操作することによって駆動モーター２０を
正転させると、回転駆動ローラー１４ｃ，１４ｄ，１４
ｅが図２５の（ａ）に示す矢印と逆方向に回転し、処置
具３ｄが左側チャンネルを通じて先端部６まで導かれ
る。Next, the operation of the inserting / extracting device 86 having the above-described structure will be described. The treatment tool 3d to be used first is guided into the left channel through the guide member 15d, the treatment tool holding portion 41d, and the guide member 16d. When the drive motor 20 is rotated in the forward direction by operating the drive control switch 23 in this state, the rotation drive rollers 14c, 14d, 14
e rotates in the direction opposite to the arrow shown in (a) of FIG. 25, and the treatment tool 3d is guided to the distal end portion 6 through the left channel.
【００８９】次に、他の処置具３ｅを使用する場合に
は、処置具３ｅを、案内部材１５ｅ、処置具挟持部４１
ｅ及び案内部材１６ｅを通じて、右側のチャンネル内に
導く。この状態で駆動制御スイッチ２３を操作して駆動
モーター２０を逆転させると、回転駆動ローラー１４
ｃ，１４ｄ，１４ｅが図２５の（ａ）に示す矢印の方向
に回転し、処置具３ｅが右側チャンネルを通じて先端部
６まで導かれ、これと同時に、処置具３ｄが抜去され
る。Next, when using another treatment instrument 3e, the treatment instrument 3e is guided by the guide member 15e and the treatment instrument holding portion 41.
It is guided into the channel on the right side through e and the guide member 16e. When the drive control switch 23 is operated in this state to rotate the drive motor 20 in the reverse direction, the rotation drive roller 14
25 c, 14 d, 14 e rotate in the direction of the arrow shown in FIG. 25A, the treatment instrument 3 e is guided to the distal end portion 6 through the right channel, and at the same time, the treatment instrument 3 d is removed.
【００９０】以上説明したように、本実施例の挿抜装置
８６によれば、２種類の処置具の挿入と抜去の相反する
操作を同時に行なうことができるため、検査時間の短縮
を図ることができる。As described above, according to the insertion / removal device 86 of the present embodiment, the contradictory operations of inserting and removing two types of treatment tools can be performed at the same time, so that the inspection time can be shortened. .
【００９１】図２６は本発明の第１５の実施例を示すも
のである。図２６の（ａ）は、本実施例の挿抜装置８８
をチャンネルを２つ有する２チャンネル内視鏡５０の処
置具挿入口５１ｄ，５１ｅに取り付けた状態を示してい
る。FIG. 26 shows a fifteenth embodiment of the present invention. FIG. 26A shows the insertion / extraction device 88 of this embodiment.
It shows a state in which is attached to the treatment instrument insertion ports 51d and 51e of the two-channel endoscope 50 having two channels.
【００９２】図２５の（ｂ）に示すように、挿抜装置８
８の装置本体１２の内部には駆動機構１３ｆが設けられ
ており、装置本体１２の外部には駆動機構１３ｆと回転
軸１８ｆ，１８ｇを介して接続された回転駆動ローラー
１４ｆ，１４ｇが設けられている。As shown in FIG. 25B, the insertion / removal device 8
The drive mechanism 13f is provided inside the apparatus body 12 of FIG. 8, and the rotation drive rollers 14f and 14g connected to the drive mechanism 13f through the rotation shafts 18f and 18g are provided outside the apparatus body 12. There is.
【００９３】図中、４１ｆ、４１ｇは処置具挟持部であ
り、１５ｆ，１５ｇは手元側の案内部材であり、１６
ｆ，１６ｇは処置具挿通口８に取り付けられる案内部材
であり、２３は駆動制御スイッチである。In the figure, reference numerals 41f and 41g are treatment tool holding portions, 15f and 15g are guide members on the hand side, and 16
f and 16g are guide members attached to the treatment instrument insertion port 8, and 23 is a drive control switch.
【００９４】回転駆動軸１８ｆ，１８ｇには装置本体１
２の内部において回転歯車１９ｆ，１９ｇがそれぞれ固
定されている。回転歯車１９ｆ，１９ｆの一方が駆動歯
車２２と噛み合っており、駆動歯車２２は駆動軸２１を
介して駆動モーター２０に接続されている。また、回転
歯車１９ｇ，１９ｇの一方が装置本体１２に回転自在に
固定された逆転歯車５８と噛み合っており、さらに、逆
転歯車５８と駆動歯車２２とが噛み合っている。The apparatus main body 1 is attached to the rotary drive shafts 18f and 18g.
Rotation gears 19f and 19g are fixed in the inside of 2, respectively. One of the rotating gears 19f and 19f meshes with the drive gear 22, and the drive gear 22 is connected to the drive motor 20 via the drive shaft 21. Further, one of the rotating gears 19g, 19g meshes with a reversing gear 58 rotatably fixed to the apparatus main body 12, and further, the reversing gear 58 and the driving gear 22 mesh with each other.
【００９５】次に、上記構成の挿抜装置８８の動作につ
いて説明する。使用する処置具３ｆ，３ｇを、案内部材
１５ｆ，１５ｇ、処置具挟持部４１ｆ，４１ｇ及び案内
部材１６ｆ，１６ｇを通じて、左右の鉗子口５１ｅ，５
１ｄ内に導く。この状態で駆動制御スイッチ２３を操作
することによって駆動モーター２０を正転させると、駆
動歯車２２、逆転歯車５８及び回転歯車１９ｆ，１９ｇ
が図２６の（ｂ）に示す矢印方向に回転する。この回転
に応じて、回転駆動ローラー１４ｆ，１４ｇが図２６の
（ａ）に示す矢印方向に回転し、処置具３ｆ，３ｇが同
時に内視鏡５０のチャンネル内に挿入される。Next, the operation of the insertion / extraction device 88 having the above structure will be described. The treatment tools 3f and 3g to be used are passed through the guide members 15f and 15g, the treatment tool holding portions 41f and 41g, and the guide members 16f and 16g, and the left and right forceps ports 51e and 5e.
Lead into 1d. When the drive motor 20 is normally rotated by operating the drive control switch 23 in this state, the drive gear 22, the reverse gear 58, and the rotary gears 19f and 19g.
Rotates in the direction of the arrow shown in FIG. In response to this rotation, the rotation drive rollers 14f and 14g rotate in the direction of the arrow shown in FIG. 26 (a), and the treatment tools 3f and 3g are simultaneously inserted into the channel of the endoscope 50.
【００９６】なお、処置具３ｆ，３ｇを内視鏡チャンネ
ルから抜去する場合は、駆動制御スイッチ２３を操作し
て駆動モーター２０を逆転させることによって、上記そ
れぞれの部材が逆転し、処置具３ｆ，３ｇが抜去され
る。When the treatment tools 3f and 3g are to be removed from the endoscope channel, the drive control switch 23 is operated to rotate the drive motor 20 in the reverse direction so that the respective members are rotated in the reverse direction, and the treatment tools 3f and 3g are rotated. 3g is removed.
【００９７】以上説明したように、本実施例の挿抜装置
８８によれば、２種類の処置具の挿入または抜去を同時
に行なうことができるため、操作性が良く、検査時間も
短縮される。As described above, according to the insertion / removal device 88 of this embodiment, since two types of treatment tools can be inserted or removed simultaneously, the operability is good and the inspection time is shortened.
【００９８】ところで、処置具を挿入・抜脱するための
挿抜装置の回転駆動ローラー１４の外周部分（挟持面）
が平面であると、処置具を挿入・抜脱する際に処置具が
回転駆動ローラー１４の軸方向にずれて外れてしまう虞
がある。こうした問題を解決する手段を以下に示す。By the way, the outer peripheral portion (holding surface) of the rotation driving roller 14 of the insertion / removal device for inserting / removing the treatment tool.
Is flat, there is a risk that the treatment instrument may be displaced in the axial direction of the rotation driving roller 14 and come off when the treatment instrument is inserted or removed. The means for solving these problems are shown below.
【００９９】図２７の構成では、回転駆動ローラー１４
の外周に凹状の処置具保持用溝部１０１が設けられてい
る。これによれば、案内部材本体２５（図４等参照）に
挿通された処置具３のシース１０が回転駆動ローラー１
４に設けられた処置具保持用溝部１０１に嵌まり込んで
挟持される。したがって、処置具３が回転駆動ローラー
１４から外れることがないため、挿入・抜去時の操作性
が良い。In the configuration of FIG. 27, the rotary drive roller 14
A concave treatment tool holding groove portion 101 is provided on the outer circumference of the. According to this, the sheath 10 of the treatment instrument 3 inserted through the guide member main body 25 (see FIG. 4 and the like) is the rotation driving roller 1
4 is fitted in the treatment tool holding groove portion 101 provided in FIG. Therefore, the treatment instrument 3 does not come off from the rotary drive roller 14, and the operability at the time of insertion / removal is good.
【０１００】一方、図２８の構成では、装置本体１２に
ピン１０３を介して略Ｌ形状のズレ防止部材１０２が取
り付けられている。図２８の（ｃ）に示すように、装置
本体１２に取り付けられるズレ防止部材１０２の部位に
は切り欠き部１０４が形成されている。この場合、処置
具シース１０を回転駆動ローラー１４に取り付けた後
に、装置本体１２のピン１０３にズレ防止部材１０２の
切り欠き部１０４を噛み合わせる。On the other hand, in the structure shown in FIG. 28, a substantially L-shaped deviation preventing member 102 is attached to the apparatus main body 12 via a pin 103. As shown in (c) of FIG. 28, a cutout portion 104 is formed at a portion of the deviation prevention member 102 attached to the apparatus body 12. In this case, after the treatment instrument sheath 10 is attached to the rotary drive roller 14, the notch 104 of the deviation prevention member 102 is engaged with the pin 103 of the apparatus body 12.
【０１０１】ズレ防止部材１０２は、これを装置本体１
２に取り付けた際に回転駆動ローラー１４との隙間Ｃが
処置具シース１０の半径以下となるように形成されてい
る。さらに、回転駆動ローラー１４は、装置本体１２と
の隙間Ｄが処置具シース１０の半径以下となるように設
置されている。The deviation prevention member 102 is the device main body 1
The clearance C between the rotary drive roller 14 and the treatment tool sheath 10 is smaller than the radius of the treatment instrument sheath 10 when the treatment tool sheath 10 is attached to the treatment tool sheath 10. Further, the rotation driving roller 14 is installed so that the gap D from the apparatus body 12 is equal to or smaller than the radius of the treatment instrument sheath 10.
【０１０２】このような構成では、回転駆動ローラー１
４を回転軸１８に取り付けると、回転駆動ローラー１４
と装置本体１２との隙間が処置具シース１０の半径以下
となる。そのため、処置具シース１０が回転駆動ローラ
ー１４から装置本体１２方向に外れることはない。In such a structure, the rotary drive roller 1
4 is attached to the rotary shaft 18, the rotary drive roller 14
The gap between the device body 12 and the device body 12 is less than or equal to the radius of the treatment instrument sheath 10. Therefore, the treatment instrument sheath 10 does not come off from the rotation driving roller 14 toward the apparatus main body 12.
【０１０３】また、ズレ防止部材１０２によって、回転
駆動ローラー１４間の装置本体１２とは逆側の空間が塞
がれる。そして、ズレ防止部材１０２と回転駆動ローラ
ー１４との隙間が処置具シース１０の半径以下となるた
め、処置具のシース１０が回転駆動ローラー１４から装
置本体１２とは逆側の空間に外れることはない。Further, the deviation prevention member 102 closes the space between the rotary drive rollers 14 on the side opposite to the apparatus main body 12. Since the gap between the displacement prevention member 102 and the rotation driving roller 14 is less than or equal to the radius of the treatment instrument sheath 10, the sheath 10 of the treatment instrument is prevented from coming off from the rotation driving roller 14 into the space on the side opposite to the apparatus main body 12. Absent.
【０１０４】以上の構成は、回転駆動ローラー１４側に
処理を施してシース１０の外れを防止しようとするもの
であるが、これとは逆にシース１０側に処理を施してそ
の外れを防止することも考えられる。In the above construction, the rotation driving roller 14 side is treated to prevent the sheath 10 from coming off. On the contrary, the sheath 10 side is treated to prevent the coming off. It is also possible.
【０１０５】すなわち、図２０の構成では、処置具のシ
ースの断面形状が円形ではなく、偏平形状に形成してあ
る。これによれば、案内部材本体２５（図４等参照）に
挿通された処置具３のシース１０は、その偏平形状に形
成された平面部が回転駆動ローラー１４の外周面に接す
るように挟持される。処置具３のシース１０と回転駆動
ローラー１４との接触面積が増大するため、十分な挿入
力及び抜脱力が得られる。したがって、シース１０が回
転駆動ローラー１４，１４間から外れにくくなる。That is, in the configuration of FIG. 20, the sheath of the treatment instrument is formed in a flat shape instead of a circular shape. According to this, the sheath 10 of the treatment instrument 3 inserted through the guide member main body 25 (see FIG. 4 and the like) is sandwiched so that the flat portion formed in the flat shape is in contact with the outer peripheral surface of the rotary drive roller 14. It Since the contact area between the sheath 10 of the treatment instrument 3 and the rotation driving roller 14 is increased, sufficient insertion force and withdrawal force can be obtained. Therefore, the sheath 10 is unlikely to come off from between the rotary drive rollers 14, 14.
【０１０６】なお、以上説明してきた態様により、以下
の項で示す各種の構成が得られる。また、以下の項で示
す各種の構成は、任意に組み合わせても良い。 １．内視鏡の処置具挿入口部に配される装置本体と、装
置本体に内蔵される駆動機構と、駆動機構の回転に応じ
て回転する回転軸と、回転軸に取付られ、その摩擦力に
より処置具を挿抜両方向に送る回転駆動ローラーと、装
置本体に取付られている前記処置具の手元側挿通案内部
材と処置具挿入口側挿通案内部材と、を具備する内視鏡
用処置具挿抜装置において、少なくとも処置具が接触す
る部分を装置本体に対して着脱自在としたことを特徴と
する内視鏡用処置具挿抜装置。The configurations described above can provide various configurations shown in the following paragraphs. Further, the various configurations shown in the following sections may be arbitrarily combined. 1. The device main body placed in the treatment instrument insertion opening of the endoscope, the drive mechanism built into the device main body, the rotating shaft that rotates in response to the rotation of the drive mechanism, and the rotary shaft attached to the rotating shaft. A treatment instrument insertion / ejection device for an endoscope, comprising: a rotation driving roller for feeding the treatment instrument in both directions of insertion and removal; a proximal insertion guide member for the treatment instrument attached to the apparatus main body; and a treatment instrument insertion opening side insertion guide member. 2. A treatment tool insertion / removal device for an endoscope according to claim 1, wherein at least a portion in contact with the treatment tool is detachable from the apparatus body.
【０１０７】２．回転軸に対して回転駆動ローラーが着
脱自在であることを特徴とする第１項に記載の内視鏡用
処置具挿抜装置。第２項の構成によれば、第１項の構成
における洗浄・消毒が必要な部位として回転駆動ローラ
ーが回転軸に対して取り外せる。2. The endoscopic treatment instrument insertion / removal device according to item 1, wherein the rotation drive roller is detachable with respect to the rotation shaft. According to the configuration of the second item, the rotary drive roller can be detached from the rotary shaft as a portion requiring cleaning / disinfection in the configuration of the first item.
【０１０８】３．回転駆動ローラーは、回転軸に対して
固定されているローラー本体と、このローラー本体に着
脱自在に取付られるリングとから構成されることを特徴
とする第１項に記載の内視鏡用処置具挿抜装置。第３項
の構成によれば、第１項の構成における洗浄・消毒が必
要な部位としてリングがローラー本体に対して取り外せ
る。3. The endoscopic treatment instrument according to claim 1, wherein the rotary drive roller is composed of a roller body fixed to a rotation shaft and a ring detachably attached to the roller body. Insertion / extraction device. According to the configuration of the third item, the ring can be detached from the roller main body as a site requiring cleaning and disinfection in the configuration of the first item.
【０１０９】４．手元側挿通案内部材は、装置本体に固
定された手元側固定部材と、この手元側固定部材に着脱
自在に取付られる手元側案内部材本体とから構成される
ことを特徴とする第１項に記載の内視鏡用処置具挿抜装
置。第４項の構成によれば、第１項の構成における洗浄
・消毒が必要な部位として手元側挿入案内部材の手元側
案内部材本体が取り外せる。4. Item 1. The hand-side insertion guide member is composed of a hand-side fixing member fixed to the apparatus main body and a hand-side guide member main body detachably attached to the hand-side fixing member. Endoscopic treatment tool insertion / extraction device. According to the construction of the fourth aspect, the hand side guide member main body of the hand side insertion guide member can be detached as a portion requiring cleaning / disinfection in the construction of the first aspect.
【０１１０】５．処置具挿入口側挿通案内部材は、装置
本体に固定された処置具挿入口側固定部材と、処置具挿
入口側固定部材に着脱自在に取付られる処置具挿入口側
案内部材本体とから構成されることを特徴とする第１項
に記載の内視鏡用処置具挿抜装置。第５項の構成によれ
ば、第１項の構成における洗浄・消毒が必要な部位とし
て処置具挿入口側挿入案内部材の処置具挿入口側案内部
材本体が取り外せる。5. The treatment instrument insertion port side insertion guide member includes a treatment instrument insertion port side fixing member fixed to the apparatus main body and a treatment instrument insertion port side guide member main body detachably attached to the treatment instrument insertion port side fixing member. The treatment instrument insertion / extraction device for an endoscope according to the above item 1. According to the configuration of the fifth aspect, the main body of the treatment instrument insertion port side guide member of the treatment instrument insertion port side insertion guide member can be removed as a portion requiring cleaning and disinfection in the configuration of the first aspect.
【０１１１】６．内視鏡の処置具挿入口部に配される装
置本体と、装置本体に内蔵されている駆動機構と、駆動
機構の動力により回転する回転軸と、回転軸に取付けら
れ、その摩擦力により処置具を挿入及び挿抜両方向に送
る回転駆動ローラーと、装置本体に取付けられている前
記処置具の手元側挿通案内部材と処置具挿入口側挿通案
内部材と、を具備する内視鏡用処置具挿抜装置におい
て、駆動機構の駆動源に、弾性部材を用いたことを特徴
とする内視鏡用処置具挿抜装置。第６項の構成によれ
ば、弾性部材の弾性力によって駆動源が駆動される。6. The device main body placed in the treatment instrument insertion opening of the endoscope, the drive mechanism built into the device main body, the rotating shaft rotated by the power of the drive mechanism, and the rotating shaft attached to the rotating shaft, and the treatment by the frictional force A treatment instrument insertion / removal for an endoscope comprising a rotary drive roller for feeding the instrument in both directions of insertion and removal, a hand side insertion guide member of the treatment instrument attached to the apparatus body, and a treatment instrument insertion opening side insertion guide member. In the device, an elastic member is used as a drive source of a drive mechanism, and a treatment instrument insertion / removal device for an endoscope. According to the configuration of the sixth term, the drive source is driven by the elastic force of the elastic member.
【０１１２】７．弾性部材として、板バネを渦巻状に配
した部材（以下ぜんまい）を用いたことを特徴とする第
６項に記載の内視鏡用処置具挿抜装置。第７項の構成に
よれば、ぜんまいの弾性力によって駆動源が駆動され
る。7. The endoscopic treatment instrument insertion / extraction device according to the sixth aspect, wherein a member (hereinafter referred to as a mainspring) in which a leaf spring is spirally arranged is used as the elastic member. According to the configuration of the seventh item, the drive source is driven by the elastic force of the mainspring.
【０１１３】８．弾性部材として、コイルバネを用いた
ことを特徴とする第６項に記載の内視鏡用処置具挿抜装
置。第８項の構成によれば、コイルバネの弾性力によっ
て駆動源が駆動される。8. The endoscopic treatment tool insertion / extraction device according to the sixth aspect, wherein a coil spring is used as the elastic member. According to the structure of Item 8, the drive source is driven by the elastic force of the coil spring.
【０１１４】９．駆動機構は、コイルバネと、このコイ
ルバネにより付勢される位置に配され且つ一部に平歯車
を設けたラック部材と、ラック部材の平歯車に噛み合う
駆動歯車とによって構成されていることを特徴とする第
８項に記載の内視鏡用処置具挿抜装置。第９項の構成に
よれば、コイルバネの弾性力によって発生した駆動力
が、ラック部材、歯車及び回転軸を介して、回転駆動ロ
ーラーに伝えられる。9. The drive mechanism is composed of a coil spring, a rack member arranged at a position biased by the coil spring and partially provided with a spur gear, and a drive gear meshing with the spur gear of the rack member. The treatment instrument insertion / extraction device for an endoscope according to the eighth aspect. According to the configuration of the ninth aspect, the driving force generated by the elastic force of the coil spring is transmitted to the rotary drive roller via the rack member, the gear and the rotary shaft.
【０１１５】１０．駆動機構は、前記コイルバネと、コ
イルバネに接続されたワイヤと、ワイヤを巻き取るワイ
ヤドラムと、ワイヤドラムと同軸に固定された駆動歯車
とによって構成されていることを特徴とする第８項に記
載の内視鏡用処置具挿抜装置。10. Item 8. The drive mechanism is configured by the coil spring, a wire connected to the coil spring, a wire drum that winds the wire, and a drive gear that is fixed coaxially with the wire drum. Endoscopic treatment tool insertion / extraction device.
【０１１６】第１０項の構成によれば、コイルバネの弾
性力によって発生した駆動力が、ワイヤ、ワイヤドラム
及び歯車を介して、回転駆動ローラーに伝えられる。 １１．駆動機構に、その駆動を装置本体外部から任意に
係止できるようにストッパーを設けたことを特徴とする
第６項に記載の内視鏡用処置具挿抜装置。第１１項の構
成によれば、ストッパーが歯車の凹凸部に噛み合うこと
によって駆動源の駆動が規制される。According to the structure of the tenth item, the driving force generated by the elastic force of the coil spring is transmitted to the rotary driving roller via the wire, the wire drum and the gear. 11. 7. The endoscopic treatment instrument insertion / extraction device according to claim 6, wherein the drive mechanism is provided with a stopper so that the drive can be arbitrarily locked from outside the main body of the device. According to the configuration of the eleventh item, the drive of the drive source is restricted by the stopper meshing with the uneven portion of the gear.
【０１１７】以上説明した第６項ないし第１１項の構成
によれば、内視鏡のチャンネルへの処置具の挿入が容易
に行え、しかも、構造が簡単で軽量な内視鏡用処置具挿
抜装置を提供することができる。特に、第１１項の構成
では、こうした効果に加え、操作性の良い内視鏡用処置
具挿抜装置を提供することができる。According to the configurations of the sixth to eleventh aspects described above, the treatment instrument can be easily inserted into the channel of the endoscope, and the endoscope treatment instrument insertion / removal which is simple and lightweight. A device can be provided. In particular, with the configuration of the eleventh item, in addition to these effects, it is possible to provide a treatment instrument insertion / extraction device for an endoscope that has good operability.
【０１１８】１２．少なくとも内視鏡の処置具挿入口部
に配される装置本体と、装置本体に内蔵されている駆動
機構と、駆動機構の回転に応じて回転する回転軸と、回
転軸に取付けられ、その摩擦力により処置具を挿抜両方
向に送る回転駆動ローラーと、装置本体に取付けられて
いる前記処置具の手元側挿通案内部材と処置具挿入口側
挿通案内部材と、を具備する内視鏡用処置具挿抜装置に
おいて、処置具の挿入・抜去に用いられる回転駆動ロー
ラー間の隙間である処置具挟持部を複数有することを特
徴とする内視鏡用処置具挿抜装置。第１２項の構成によ
れば、一つの内視鏡用処置具挿抜装置に複数の処置具を
取付けることができ、それぞれをチャンネルに挿入・抜
去できるため、作業性が良い。12. At least the device main body disposed in the treatment instrument insertion opening of the endoscope, the drive mechanism built into the device main body, the rotating shaft that rotates according to the rotation of the drive mechanism, and the friction that is attached to the rotating shaft. A treatment instrument for an endoscope comprising a rotary drive roller for feeding the treatment instrument in both directions of insertion and removal by force, a proximal insertion guide member of the treatment instrument attached to the apparatus main body, and a treatment instrument insertion port side insertion guide member. In the insertion / extraction device, an endoscopic treatment instrument insertion / extraction device having a plurality of treatment instrument pinching portions which are gaps between rotary drive rollers used for inserting / removing the treatment instrument. According to the configuration of the twelfth item, a plurality of treatment tools can be attached to one treatment tool insertion / removal device for an endoscope, and each of them can be inserted into / removed from the channel, so that workability is good.
【０１１９】１３．少なくとも２対の回転駆動ローラー
のそれぞれを選択的に操作できることを特徴とする第１
２項に記載の内視鏡用処置具挿抜装置。第１３項の構成
によれば、回転駆動ローラーの回転を選択的に行なえ、
装置を小型化及び軽量化できる。13. First, characterized in that each of at least two pairs of rotary drive rollers can be selectively operated.
The treatment instrument insertion / extraction device for an endoscope according to item 2. According to the configuration of the item 13, the rotation of the rotation driving roller can be selectively performed,
The size and weight of the device can be reduced.
【０１２０】１４．処置具挟持部を２カ所設けるととも
に、処置具挟持部に挟持される２つの処置具を相反する
方向に同時に送ることを特徴とする第１２項に記載の内
視鏡用処置具挿抜装置。第１４項の構成によれば、２本
の処置具の挿入・抜去の相反する操作を同時に行なえ、
２チャンネル内視鏡と併用することで検査時間を短縮で
きる。14. 13. The endoscopic treatment tool insertion / extraction device according to claim 12, wherein two treatment tool holding portions are provided and two treatment tools held by the treatment tool holding portion are simultaneously fed in opposite directions. According to the configuration of the fourteenth item, the contradictory operations of inserting and withdrawing the two treatment tools can be simultaneously performed,
Examination time can be shortened by using it in combination with a 2-channel endoscope.
【０１２１】１５．処置具挟持部を２カ所設けるととも
に、処置具挟持部に挟持される２つの処置具が同方向に
同時に送られることを特徴とする第１２項に記載の内視
鏡用処置具挿抜装置。第１５項の構成によれば、２本の
処置具の挿入または抜去の同方向の操作を同時に行な
え、２チャンネル内視鏡と併用して同時に複数の処置具
を使用する場合に作業性が良い。15. 13. The treatment instrument insertion / extraction device for an endoscope according to claim 12, wherein two treatment instrument clamping portions are provided and two treatment instruments clamped by the treatment instrument clamping portion are simultaneously fed in the same direction. According to the configuration of the fifteenth aspect, the operation in the same direction for inserting or withdrawing two treatment tools can be performed at the same time, and workability is good when a plurality of treatment tools are used simultaneously in combination with a two-channel endoscope. .
【０１２２】１６．少なくとも内視鏡の処置具挿入口部
に配される装置本体と、装置本体に内蔵されている駆動
機構と、駆動機構の回転に応じて回転する回転軸と、回
転軸に取付けられ、その摩擦力により処置具を挿抜両方
向に送る回転駆動ローラーと、装置本体に取付けられて
いる処置具の手元側挿通案内部材と処置具挿入口側挿通
案内部材と、を具備する内視鏡用処置具挿抜装置におい
て、回転駆動ローラーの外周に溝部を設けたことを特徴
とする内視鏡用処置具挿抜装置。第１６項の構成によれ
ば、処置具が回転駆動ローラーの溝部に嵌まり込むこと
で処置具のズレが防止される。16. At least the device main body disposed in the treatment instrument insertion opening of the endoscope, the drive mechanism built into the device main body, the rotating shaft that rotates according to the rotation of the drive mechanism, and the friction that is attached to the rotating shaft. An endoscopic treatment instrument insertion / removal including a rotary drive roller that feeds the treatment instrument in both directions by force, a proximal insertion guide member of the treatment instrument attached to the apparatus body, and a treatment instrument insertion opening side insertion guide member. In the device, a treatment instrument insertion / extraction device for an endoscope, characterized in that a groove portion is provided on an outer periphery of a rotation drive roller. According to the configuration of Item 16, the treatment tool is prevented from being displaced by fitting the treatment tool into the groove portion of the rotation drive roller.
【０１２３】１７．装置本体に処置具のズレ防止部材を
設けたことを特徴とする第１６項に記載の内視鏡用処置
具挿抜装置。第１７項の構成によれば、ズレ防止部材に
より処置具が一定量以上ずれない。17. Item 17. The endoscopic treatment instrument insertion / removal device according to Item 16, wherein a displacement prevention member for the treatment instrument is provided on the apparatus body. According to the configuration of Item 17, the displacement preventing member prevents the treatment tool from being displaced by a certain amount or more.
【０１２４】１８．内視鏡のチャンネルに挿通され、先
端構成部、シース部及び操作部より構成される内視鏡用
処置具において、シース部の断面形状を偏平形状とした
ことを特徴とする内視鏡用処置具。18. An endoscopic treatment tool that is inserted through a channel of an endoscope and is composed of a distal end forming portion, a sheath portion, and an operating portion, characterized in that the sheath portion has a flat cross-sectional shape. Ingredient
【０１２５】第１８項の構成によれば、処置具のシース
部が偏平形状であるため、回転駆動ローラーとの接触面
積が増大する。したがって、このような処置具を内視鏡
用処置具挿抜装置によって挿抜する場合には、十分な挿
入力及び抜脱力が得られる。According to the construction of Item 18, since the sheath portion of the treatment instrument is flat, the contact area with the rotary drive roller is increased. Therefore, when inserting and removing such a treatment tool with the endoscope treatment tool insertion / removal device, sufficient insertion force and withdrawal force can be obtained.
【０１２６】[0126]
【発明の効果】以上説明したように、本発明の内視鏡用
処置具挿抜装置は、内視鏡の鉗子チャンネルに対する処
置具の挿入・抜脱を自動的に行なうことができ、しか
も、洗浄・消毒が容易である。As described above, the endoscopic treatment tool insertion / removal device of the present invention can automatically insert / remove the treatment tool into / from the forceps channel of the endoscope, and can be cleaned.・ Easy to disinfect.
【図１】本発明の第１の実施例に係る内視鏡用処置具挿
抜装置を内視鏡に取り付けて処置具を挿抜する状態を示
す概略図である。FIG. 1 is a schematic view showing a state in which a treatment tool insertion / extraction device for an endoscope according to a first embodiment of the present invention is attached to an endoscope and a treatment tool is inserted / removed.
【図２】第１の実施例に係る内視鏡用処置具挿抜装置の
平面図である。FIG. 2 is a plan view of the endoscope treatment tool insertion / extraction device according to the first embodiment.
【図３】図２の内視鏡用処置具挿抜装置の駆動機構を示
す断面図である。FIG. 3 is a cross-sectional view showing a drive mechanism of the endoscope treatment tool insertion / extraction device of FIG. 2.
【図４】図２の内視鏡用処置具挿抜装置に設けられた手
元側案内部材の平面図である。FIG. 4 is a plan view of a proximal guide member provided in the endoscopic treatment tool insertion / extraction device of FIG. 2;
【図５】図２の内視鏡用処置具挿抜装置に設けられた処
置具挿入口側案内部材の平面図である。5 is a plan view of a treatment instrument insertion port side guide member provided in the endoscopic treatment instrument insertion / extraction device of FIG. 2. FIG.
【図６】本発明の第２の実施例に係る内視鏡用処置具挿
抜装置の要部を示す平面図である。FIG. 6 is a plan view showing a main part of a treatment instrument insertion / extraction device for an endoscope according to a second embodiment of the present invention.
【図７】本発明の第３の実施例に係る内視鏡用処置具挿
抜装置の要部を示す平面図である。FIG. 7 is a plan view showing a main part of a treatment instrument insertion / extraction device for an endoscope according to a third embodiment of the present invention.
【図８】本発明の第４の実施例に係る内視鏡用処置具挿
抜装置の要部を示す平面図である。FIG. 8 is a plan view showing a main part of a treatment instrument insertion / extraction device for an endoscope according to a fourth embodiment of the present invention.
【図９】本発明の第５の実施例に係る内視鏡用処置具挿
抜装置の要部を示す平面図である。FIG. 9 is a plan view showing a main part of a treatment instrument insertion / extraction device for an endoscope according to a fifth embodiment of the present invention.
【図１０】本発明の第６の実施例に係る内視鏡用処置具
挿抜装置の要部を示す平面図である。FIG. 10 is a plan view showing a main part of a treatment instrument insertion / extraction device for an endoscope according to a sixth embodiment of the present invention.
【図１１】本発明の第７の実施例に係る内視鏡用処置具
挿抜装置を内視鏡に取り付けた状態を示す図である。FIG. 11 is a view showing a state in which the endoscope treatment tool insertion / extraction device according to the seventh embodiment of the present invention is attached to the endoscope.
【図１２】本発明の第８の実施例に係る内視鏡用処置具
挿抜装置の平面図である。FIG. 12 is a plan view of a treatment instrument insertion / extraction device for an endoscope according to an eighth embodiment of the present invention.
【図１３】図１２の内視鏡用処置具挿抜装置の駆動機構
を示す断面図である。13 is a cross-sectional view showing a drive mechanism of the endoscope treatment tool insertion / extraction device of FIG.
【図１４】図１２の内視鏡用処置具挿抜装置の駆動源で
あるぜんまいの平面酢である。FIG. 14 is a plane vinegar of a mainspring which is a drive source of the endoscopic treatment tool insertion / extraction device of FIG.
【図１５】図１４のぜんまいを巻き上げる巻き上げ軸の
端面の形状を示す図である。15 is a diagram showing the shape of the end surface of the winding shaft for winding the mainspring shown in FIG.
【図１６】図１５の巻き上げ軸に着脱自在に取り付けら
れる巻き付け部材の形状を示す図である。16 is a view showing the shape of a winding member detachably attached to the winding shaft of FIG.
【図１７】本発明の第９の実施例に係る内視鏡用処置具
挿抜装置の駆動機構を示す断面図である。FIG. 17 is a sectional view showing a drive mechanism of a treatment instrument insertion / extraction device for an endoscope according to a ninth embodiment of the present invention.
【図１８】本発明の第１０の実施例に係る内視鏡用処置
具挿抜装置の駆動機構を示す断面図である。FIG. 18 is a cross-sectional view showing a drive mechanism of a treatment instrument insertion / extraction device for an endoscope according to a tenth embodiment of the present invention.
【図１９】本発明の第１１の実施例に係る内視鏡用処置
具挿抜装置の平面図である。FIG. 19 is a plan view of a treatment instrument insertion / extraction device for an endoscope according to an eleventh embodiment of the present invention.
【図２０】図１９の内視鏡用処置具挿抜装置の側面図で
ある。20 is a side view of the endoscope treatment tool insertion / extraction device of FIG. 19. FIG.
【図２１】図１９の内視鏡用処置具挿抜装置に設けられ
た手元側案内部材の平面図である。FIG. 21 is a plan view of a proximal guide member provided in the endoscopic treatment tool insertion / extraction device of FIG. 19.
【図２２】（ａ）は図１９の内視鏡用処置具挿抜装置に
設けられた処置具挿入口側案内部材の正面図、（ｂ）は
処置具挿入口側案内部材の平面図、（ｃ）は処置具挿入
口側案内部材の断面図である。22A is a front view of a treatment instrument insertion port side guide member provided in the endoscope treatment instrument insertion / extraction device of FIG. 19, and FIG. 22B is a plan view of the treatment instrument insertion port side guide member; FIG. 3C is a cross-sectional view of the treatment instrument insertion port side guide member.
【図２３】本発明の第１２の実施例に係る内視鏡用処置
具挿抜装置の駆動機構を示す断面図である。FIG. 23 is a cross-sectional view showing a drive mechanism of a treatment instrument insertion / extraction device for an endoscope according to a twelfth embodiment of the present invention.
【図２４】本発明の第１３の実施例に係る内視鏡用処置
具挿抜装置の駆動機構を示す平面図である。FIG. 24 is a plan view showing a drive mechanism of an endoscope treatment tool insertion / extraction device according to a thirteenth embodiment of the present invention.
【図２５】（ａ）は本発明の第１４の実施例に係る内視
鏡用処置具挿抜装置の平面図、（ｂ）は（ａ）の装置の
駆動機構の断面図である。25 (a) is a plan view of a treatment instrument insertion / extraction device for an endoscope according to a fourteenth embodiment of the present invention, and FIG. 25 (b) is a sectional view of a drive mechanism of the device of FIG. 25 (a).
【図２６】（ａ）は本発明の第１５の実施例に係る内視
鏡用処置具挿抜装置の平面図、（ｂ）は（ａ）の装置の
駆動機構の平面図である。FIG. 26 (a) is a plan view of a treatment instrument insertion / extraction device for an endoscope according to a fifteenth embodiment of the present invention, and FIG. 26 (b) is a plan view of a drive mechanism of the device of (a).
【図２７】回転駆動ローラの変形例を示す図である。FIG. 27 is a view showing a modified example of the rotation drive roller.
【図２８】処置具のズレを防止する手段を示す図であ
る。FIG. 28 is a view showing a means for preventing the displacement of the treatment tool.
【図２９】挿抜される処置具の変形例を示す図である。FIG. 29 is a view showing a modified example of the treatment tool to be inserted and removed.
１，６０，６０ａ，６０ｂ、８０，８２，８４，８６，
８８…内視鏡用処置具挿抜装置、２…内視鏡、３…処置
具、４…操作部、１４…回転駆動ローラ。1, 60, 60a, 60b, 80, 82, 84, 86,
88 ... Endoscope treatment tool insertion / extraction device, 2 ... Endoscope, 3 ... Treatment tool, 4 ... Operation part, 14 ... Rotation drive roller.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15483895AJP3500228B2 (en) | 1995-06-21 | 1995-06-21 | Endoscope treatment instrument insertion / extraction device |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15483895AJP3500228B2 (en) | 1995-06-21 | 1995-06-21 | Endoscope treatment instrument insertion / extraction device |
| Publication Number | Publication Date |
|---|---|
| JPH09492Atrue JPH09492A (en) | 1997-01-07 |
| JP3500228B2 JP3500228B2 (en) | 2004-02-23 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15483895AExpired - Fee RelatedJP3500228B2 (en) | 1995-06-21 | 1995-06-21 | Endoscope treatment instrument insertion / extraction device |
| Country | Link |
|---|---|
| JP (1) | JP3500228B2 (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000000207A (en)* | 1998-06-15 | 2000-01-07 | Olympus Optical Co Ltd | Treating tool inserting/drawing device for endoscope |
| US6299576B1 (en) | 1998-02-16 | 2001-10-09 | Asahi Kogaku Kogyo Kabushiki Kaisha | Assist tool for inserting a treatment tool into an endoscope, and a treatment tool to be used in the same |
| JP2005218497A (en)* | 2004-02-03 | 2005-08-18 | Olympus Corp | Treating implement for endoscope, endoscope and endoscope treatment system |
| EP1568306A1 (en)* | 2004-02-26 | 2005-08-31 | Olympus Corporation | Endoscope |
| JP2005237659A (en)* | 2004-02-26 | 2005-09-08 | Olympus Corp | Endoscopic treatment system |
| WO2007034557A1 (en)* | 2005-09-22 | 2007-03-29 | Olympus Corporation | Endoscope system |
| WO2007046140A1 (en) | 2005-10-19 | 2007-04-26 | Olympus Corporation | Endoscope system |
| JP2007151595A (en)* | 2005-11-30 | 2007-06-21 | Olympus Corp | Endoscope therapeutic device |
| JP2008000579A (en)* | 2006-06-23 | 2008-01-10 | Olympus Medical Systems Corp | Endoscopic treatment system, treatment tool, and adapter |
| EP2064985A3 (en)* | 2007-11-27 | 2009-06-24 | Tyco Healthcare Group LP | Apparatus for controlling endoscopic instrument |
| JP2009225992A (en)* | 2008-03-21 | 2009-10-08 | Olympus Medical Systems Corp | Endoscope system |
| US20110112359A1 (en)* | 2009-11-06 | 2011-05-12 | Mark Joseph L | Surgical adapter assembly for use with endoscope |
| US8002696B2 (en) | 2004-03-23 | 2011-08-23 | Olympus Corporation | Endoscope system |
| US8832927B2 (en) | 2009-03-10 | 2014-09-16 | Covidien Lp | Method of manufacturing surgical antennas |
| US8847830B2 (en) | 2009-06-19 | 2014-09-30 | Covidien Lp | Microwave ablation antenna radiation detector |
| US8852180B2 (en) | 2009-10-28 | 2014-10-07 | Covidien Lp | System and method for monitoring ablation size |
| US8870860B2 (en) | 2011-08-09 | 2014-10-28 | Covidien Lp | Microwave antenna having a coaxial cable with an adjustable outer conductor configuration |
| US8888771B2 (en) | 2011-07-15 | 2014-11-18 | Covidien Lp | Clip-over disposable assembly for use with hemostat-style surgical instrument and methods of manufacturing same |
| US8894640B2 (en) | 2009-09-24 | 2014-11-25 | Covidien Lp | Optical detection of interrupted fluid flow to ablation probe |
| US8906008B2 (en) | 2012-05-22 | 2014-12-09 | Covidien Lp | Electrosurgical instrument |
| US8932281B2 (en) | 2011-01-05 | 2015-01-13 | Covidien Lp | Energy-delivery devices with flexible fluid-cooled shaft, inflow/outflow junctions suitable for use with same, and systems including same |
| US8945113B2 (en) | 2012-04-05 | 2015-02-03 | Covidien Lp | Electrosurgical tissue ablation systems capable of detecting excessive bending of a probe and alerting a user |
| US8956350B2 (en) | 2007-01-31 | 2015-02-17 | Covidien Lp | Thermal feedback systems and methods of using the same |
| US8968300B2 (en) | 2009-08-05 | 2015-03-03 | Covidien Lp | Electrosurgical devices having dielectric loaded coaxial aperture with distally positioned resonant structure |
| US8969722B2 (en) | 2008-01-23 | 2015-03-03 | Covidien Lp | Thermally tuned coaxial cable for microwave antennas |
| US8968292B2 (en) | 2009-02-20 | 2015-03-03 | Covidien Lp | Leaky-wave antennas for medical applications |
| US8968297B2 (en) | 2011-07-19 | 2015-03-03 | Covidien Lp | Microwave and RF ablation system and related method for dynamic impedance matching |
| US8974450B2 (en) | 2011-02-03 | 2015-03-10 | Covidien Lp | System and method for ablation procedure monitoring using electrodes |
| US8974449B2 (en) | 2010-07-16 | 2015-03-10 | Covidien Lp | Dual antenna assembly with user-controlled phase shifting |
| US8992413B2 (en) | 2011-05-31 | 2015-03-31 | Covidien Lp | Modified wet tip antenna design |
| US9011421B2 (en) | 2011-01-05 | 2015-04-21 | Covidien Lp | Energy-delivery devices with flexible fluid-cooled shaft, inflow/outflow junctions suitable for use with same, and systems including same |
| US9017328B2 (en) | 2008-01-29 | 2015-04-28 | Covidien Lp | Polyp encapsulation system and method |
| US9017319B2 (en) | 2011-01-05 | 2015-04-28 | Covidien Lp | Energy-delivery devices with flexible fluid-cooled shaft, inflow/outflow junctions suitable for use with same, and systems including same |
| US9024237B2 (en) | 2009-09-29 | 2015-05-05 | Covidien Lp | Material fusing apparatus, system and method of use |
| US9023025B2 (en) | 2011-09-20 | 2015-05-05 | Covidien Lp | Handheld medical devices including microwave amplifier unit at device handle |
| US9023026B2 (en) | 2008-01-31 | 2015-05-05 | Covidien Lp | Articulating ablation device and method |
| US9028484B2 (en) | 2010-11-16 | 2015-05-12 | Covidien Lp | Fingertip electrosurgical instruments for use in hand-assisted surgery and systems including same |
| US9028482B2 (en) | 2011-07-19 | 2015-05-12 | Covidien Lp | Microwave and RF ablation system and related method for dynamic impedance matching |
| US9028476B2 (en) | 2011-02-03 | 2015-05-12 | Covidien Lp | Dual antenna microwave resection and ablation device, system and method of use |
| US9033970B2 (en) | 2011-09-20 | 2015-05-19 | Covidien Lp | Handheld medical devices including microwave amplifier unit at device handle |
| US9039692B2 (en) | 2011-09-20 | 2015-05-26 | Covidien Lp | Handheld medical devices including microwave amplifier unit at device handle |
| US9039693B2 (en) | 2011-09-20 | 2015-05-26 | Covidien Lp | Handheld medical devices including microwave amplifier unit at device handle |
| US9044254B2 (en) | 2012-08-07 | 2015-06-02 | Covidien Lp | Microwave ablation catheter and method of utilizing the same |
| US9044253B2 (en) | 2010-12-23 | 2015-06-02 | Covidien Lp | Microwave field-detecting needle assemblies, methods of manufacturing same, methods of adjusting an ablation field radiating into tissue using same, and systems including same |
| US9066681B2 (en) | 2012-06-26 | 2015-06-30 | Covidien Lp | Methods and systems for enhancing ultrasonic visibility of energy-delivery devices within tissue |
| US9113888B2 (en) | 2004-10-08 | 2015-08-25 | Covidien Ag | Electrosurgical system employing multiple electrodes and method thereof |
| US9113931B2 (en) | 2012-01-06 | 2015-08-25 | Covidien Lp | System and method for treating tissue using an expandable antenna |
| US9113932B1 (en) | 2008-08-28 | 2015-08-25 | Covidien Lp | Microwave antenna with choke |
| US9113930B2 (en) | 2012-01-05 | 2015-08-25 | Covidien Lp | Ablation systems, probes, and methods for reducing radiation from an ablation probe into the environment |
| US9119647B2 (en) | 2010-11-12 | 2015-09-01 | Covidien Lp | Apparatus, system and method for performing an electrosurgical procedure |
| US9119648B2 (en) | 2012-01-06 | 2015-09-01 | Covidien Lp | System and method for treating tissue using an expandable antenna |
| US9121774B2 (en) | 2012-06-22 | 2015-09-01 | Covidien Lp | Microwave thermometry for microwave ablation systems |
| US9168178B2 (en) | 2012-05-22 | 2015-10-27 | Covidien Lp | Energy-delivery system and method for controlling blood loss from wounds |
| US9192436B2 (en) | 2010-05-25 | 2015-11-24 | Covidien Lp | Flow rate verification monitor for fluid-cooled microwave ablation probe |
| US9192441B2 (en) | 2011-02-17 | 2015-11-24 | Covidien Lp | Energy-delivery device including ultrasound transducer array and phased antenna array, and methods of adjusting an ablation field radiating into tissue using same |
| US9192426B2 (en) | 2012-06-26 | 2015-11-24 | Covidien Lp | Ablation device having an expandable chamber for anchoring the ablation device to tissue |
| US9192308B2 (en) | 2012-03-27 | 2015-11-24 | Covidien Lp | Microwave-shielded tissue sensor probe |
| US9192422B2 (en) | 2011-07-19 | 2015-11-24 | Covidien Lp | System and method of matching impedances of an electrosurgical generator and/or a microwave generator |
| US9192437B2 (en) | 2009-05-27 | 2015-11-24 | Covidien Lp | Narrow gauge high strength choked wet tip microwave ablation antenna |
| US9192439B2 (en) | 2012-06-29 | 2015-11-24 | Covidien Lp | Method of manufacturing a surgical instrument |
| US9198724B2 (en) | 2011-04-08 | 2015-12-01 | Covidien Lp | Microwave tissue dissection and coagulation |
| US9241762B2 (en) | 2010-06-03 | 2016-01-26 | Covidien Lp | Specific absorption rate measurement and energy-delivery device characterization using image analysis |
| US9276367B2 (en) | 2009-11-17 | 2016-03-01 | Covidien Lp | Method of manurfacturing an electromagnetic energy delivery device |
| US9271791B2 (en) | 2009-10-28 | 2016-03-01 | Covidien Lp | System and method for monitoring ablation size |
| US9271792B2 (en) | 2012-05-04 | 2016-03-01 | Covidien Lp | Peripheral switching device for microwave energy platforms |
| US9271788B2 (en) | 2010-03-26 | 2016-03-01 | Cividien LP | Ablation devices with adjustable radiating section lengths, electrosurgical systems including same, and methods of adjusting ablation fields using same |
| US9301803B2 (en) | 2010-05-26 | 2016-04-05 | Covidien Lp | System and method for chemically cooling an ablation antenna |
| US9332959B2 (en) | 2012-06-26 | 2016-05-10 | Covidien Lp | Methods and systems for enhancing ultrasonic visibility of energy-delivery devices within tissue |
| US9358067B2 (en) | 2010-02-26 | 2016-06-07 | Covidien Lp | Tissue ablation system with internal and external radiation sources |
| US9364278B2 (en) | 2012-04-30 | 2016-06-14 | Covidien Lp | Limited reuse ablation needles and ablation devices for use therewith |
| US9370392B2 (en) | 2012-10-02 | 2016-06-21 | Covidien Lp | Heat-sensitive optical probes |
| US9370399B2 (en) | 2009-09-29 | 2016-06-21 | Covidien Lp | Flow rate monitor for fluid cooled microwave ablation probe |
| US9370314B2 (en) | 2008-02-07 | 2016-06-21 | Covidien Lp | Endoscopic instrument for tissue identification |
| US9377367B2 (en) | 2010-06-03 | 2016-06-28 | Covidien Lp | Specific absorption rate measurement and energy-delivery device characterization using thermal phantom and image analysis |
| US9379444B2 (en) | 2009-09-09 | 2016-06-28 | Covidien Lp | Method for constructing a dipole antenna |
| US9375252B2 (en) | 2012-08-02 | 2016-06-28 | Covidien Lp | Adjustable length and/or exposure electrodes |
| US9375276B2 (en) | 2010-06-30 | 2016-06-28 | Covidien Lp | Microwave antenna having a reactively-loaded loop configuration |
| US9375274B2 (en) | 2012-01-05 | 2016-06-28 | Covidien Lp | Ablation systems, probes, and methods for reducing radiation from an ablation probe into the environment |
| US9381059B2 (en) | 2011-04-05 | 2016-07-05 | Covidien Lp | Electrically-insulative hinge for electrosurgical jaw assembly, bipolar forceps including same, and methods of jaw-assembly alignment using fastened electrically-insulative hinge |
| US9439712B2 (en) | 2012-07-12 | 2016-09-13 | Covidien Lp | Heat-distribution indicators, thermal zone indicators, electrosurgical systems including same and methods of directing energy to tissue using same |
| US9468492B2 (en) | 2010-06-03 | 2016-10-18 | Covidien Lp | Specific absorption rate measurement and energy-delivery device characterization using image analysis |
| US9480527B2 (en) | 2010-03-08 | 2016-11-01 | Covidien Lp | Microwave antenna probe having a deployable ground plane |
| US9492190B2 (en) | 2011-02-09 | 2016-11-15 | Covidien Lp | Tissue dissectors |
| US9504524B2 (en) | 2009-05-19 | 2016-11-29 | Covidien Lp | Tissue impedance measurement using a secondary frequency |
| US9522033B2 (en) | 2012-10-02 | 2016-12-20 | Covidien Lp | Devices and methods for optical detection of tissue contact |
| US9526568B2 (en) | 2012-05-31 | 2016-12-27 | Covidien Lp | Drug-delivery device for use with ablation device |
| US9549778B2 (en) | 2010-06-30 | 2017-01-24 | Covidien Lp | Adjustable tuning of a dielectrically loaded loop antenna |
| US9561076B2 (en) | 2010-05-11 | 2017-02-07 | Covidien Lp | Electrosurgical devices with balun structure for air exposure of antenna radiating section and method of directing energy to tissue using same |
| US9579150B2 (en) | 2011-04-08 | 2017-02-28 | Covidien Lp | Microwave ablation instrument with interchangeable antenna probe |
| US9610122B2 (en) | 2013-03-29 | 2017-04-04 | Covidien Lp | Step-down coaxial microwave ablation applicators and methods for manufacturing same |
| USRE46362E1 (en) | 2009-11-16 | 2017-04-11 | Covidien Lp | Twin sealing chamber hub |
| US9662165B2 (en) | 2012-10-02 | 2017-05-30 | Covidien Lp | Device and method for heat-sensitive agent application |
| US9668802B2 (en) | 2012-10-02 | 2017-06-06 | Covidien Lp | Devices and methods for optical detection of tissue contact |
| US9743975B2 (en) | 2012-10-02 | 2017-08-29 | Covidien Lp | Thermal ablation probe for a medical device |
| US9770294B2 (en) | 2011-01-05 | 2017-09-26 | Covidien Lp | Energy-delivery devices with flexible fluid-cooled shaft, inflow/outflow junctions suitable for use with same, and systems including same |
| US9814844B2 (en) | 2013-08-27 | 2017-11-14 | Covidien Lp | Drug-delivery cannula assembly |
| CH712611A1 (en)* | 2016-06-28 | 2017-12-29 | Med Karl Pieper Dr | Device for the controlled transport of a catheter, light guide or cable. |
| US9867670B2 (en) | 2009-04-01 | 2018-01-16 | Covidien Lp | Microwave ablation system and user-controlled ablation size and method of use |
| US9867665B2 (en) | 2013-09-06 | 2018-01-16 | Covidien Lp | Microwave ablation catheter, handle, and system |
| US9867664B2 (en) | 2010-05-03 | 2018-01-16 | Covidien Lp | System and method of deploying an antenna assembly |
| US9901399B2 (en) | 2012-12-17 | 2018-02-27 | Covidien Lp | Ablation probe with tissue sensing configuration |
| US9901398B2 (en) | 2012-06-29 | 2018-02-27 | Covidien Lp | Microwave antenna probes |
| US9943359B2 (en) | 2012-04-30 | 2018-04-17 | Covidien Lp | Limited reuse ablation needles and ablation devices for use therewith |
| US9949794B2 (en) | 2008-03-27 | 2018-04-24 | Covidien Lp | Microwave ablation devices including expandable antennas and methods of use |
| US20180132891A1 (en)* | 2015-07-31 | 2018-05-17 | Purdue Research Foundation | Systems and methods for performing a surgical procedure |
| US9993283B2 (en) | 2012-10-02 | 2018-06-12 | Covidien Lp | Selectively deformable ablation device |
| US10039602B2 (en) | 2002-04-16 | 2018-08-07 | Covidien Lp | Electrosurgical energy channel splitters and systems for delivering electrosurgical energy |
| US10076383B2 (en) | 2012-01-25 | 2018-09-18 | Covidien Lp | Electrosurgical device having a multiplexer |
| US10080600B2 (en) | 2015-01-21 | 2018-09-25 | Covidien Lp | Monopolar electrode with suction ability for CABG surgery |
| US10130416B2 (en) | 2012-04-30 | 2018-11-20 | Covidien Lp | Limited reuse ablation needles and ablation devices for use therewith |
| US10201265B2 (en) | 2013-09-06 | 2019-02-12 | Covidien Lp | Microwave ablation catheter, handle, and system |
| US10335230B2 (en) | 2011-03-09 | 2019-07-02 | Covidien Lp | Systems for thermal-feedback-controlled rate of fluid flow to fluid-cooled antenna assembly and methods of directing energy to tissue using same |
| US10363094B2 (en) | 2011-04-08 | 2019-07-30 | Covidien Lp | Flexible microwave catheters for natural or artificial lumens |
| US10376309B2 (en) | 2016-08-02 | 2019-08-13 | Covidien Lp | Ablation cable assemblies and a method of manufacturing the same |
| US10588684B2 (en) | 2010-07-19 | 2020-03-17 | Covidien Lp | Hydraulic conductivity monitoring to initiate tissue division |
| US10624697B2 (en) | 2014-08-26 | 2020-04-21 | Covidien Lp | Microwave ablation system |
| US10631914B2 (en) | 2013-09-30 | 2020-04-28 | Covidien Lp | Bipolar electrosurgical instrument with movable electrode and related systems and methods |
| US10716619B2 (en) | 2017-06-19 | 2020-07-21 | Covidien Lp | Microwave and radiofrequency energy-transmitting tissue ablation systems |
| US10813692B2 (en) | 2016-02-29 | 2020-10-27 | Covidien Lp | 90-degree interlocking geometry for introducer for facilitating deployment of microwave radiating catheter |
| US10813691B2 (en) | 2014-10-01 | 2020-10-27 | Covidien Lp | Miniaturized microwave ablation assembly |
| US10814128B2 (en) | 2016-11-21 | 2020-10-27 | Covidien Lp | Electroporation catheter |
| US11000332B2 (en) | 2016-08-02 | 2021-05-11 | Covidien Lp | Ablation cable assemblies having a large diameter coaxial feed cable reduced to a small diameter at intended site |
| US11065053B2 (en) | 2016-08-02 | 2021-07-20 | Covidien Lp | Ablation cable assemblies and a method of manufacturing the same |
| US11123094B2 (en) | 2017-12-13 | 2021-09-21 | Covidien Lp | Ultrasonic surgical instruments and methods for sealing and/or cutting tissue |
| US11147621B2 (en) | 2017-11-02 | 2021-10-19 | Covidien Lp | Systems and methods for ablating tissue |
| US11160600B2 (en) | 2018-03-01 | 2021-11-02 | Covidien Lp | Monopolar return electrode grasper with return electrode monitoring |
| US11197715B2 (en) | 2016-08-02 | 2021-12-14 | Covidien Lp | Ablation cable assemblies and a method of manufacturing the same |
| WO2022187390A1 (en)* | 2021-03-03 | 2022-09-09 | Boston Scientific Scimed, Inc. | Medical device including a medical device management system |
| JP2023504534A (en)* | 2019-12-03 | 2023-02-03 | アンスティチュ オスピタロ－ウニヴェルシテール ドゥ シルルジ ミニ－アンヴァシヴ ギデ パー リマージュ | Motorized actuation module for actuating endoscopic instruments |
| KR20230136961A (en)* | 2022-03-21 | 2023-10-04 | 임스카우트 주식회사 | Guider for an endoscopic apparatus and an endoscopic apparatus including the same |
| CN111265179B (en)* | 2020-02-26 | 2023-11-03 | 上海澳华内镜股份有限公司 | A kind of auxiliary tool and endoscope system for moving treatment instruments |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6299576B1 (en) | 1998-02-16 | 2001-10-09 | Asahi Kogaku Kogyo Kabushiki Kaisha | Assist tool for inserting a treatment tool into an endoscope, and a treatment tool to be used in the same |
| DE19906270B4 (en)* | 1998-02-16 | 2006-07-27 | Pentax Corp. | Auxiliary tool for introducing a treatment instrument into an endoscope |
| JP2000000207A (en)* | 1998-06-15 | 2000-01-07 | Olympus Optical Co Ltd | Treating tool inserting/drawing device for endoscope |
| US10039602B2 (en) | 2002-04-16 | 2018-08-07 | Covidien Lp | Electrosurgical energy channel splitters and systems for delivering electrosurgical energy |
| US11045253B2 (en) | 2002-04-16 | 2021-06-29 | Covidien Lp | Electrosurgical energy channel splitters and systems for delivering electrosurgical energy |
| JP2005218497A (en)* | 2004-02-03 | 2005-08-18 | Olympus Corp | Treating implement for endoscope, endoscope and endoscope treatment system |
| EP1568306A1 (en)* | 2004-02-26 | 2005-08-31 | Olympus Corporation | Endoscope |
| JP2005237659A (en)* | 2004-02-26 | 2005-09-08 | Olympus Corp | Endoscopic treatment system |
| US8002696B2 (en) | 2004-03-23 | 2011-08-23 | Olympus Corporation | Endoscope system |
| US8221305B2 (en) | 2004-05-06 | 2012-07-17 | Olympus Corporation | Endoscope treatment tool system |
| US9113888B2 (en) | 2004-10-08 | 2015-08-25 | Covidien Ag | Electrosurgical system employing multiple electrodes and method thereof |
| WO2007034557A1 (en)* | 2005-09-22 | 2007-03-29 | Olympus Corporation | Endoscope system |
| WO2007046140A1 (en) | 2005-10-19 | 2007-04-26 | Olympus Corporation | Endoscope system |
| JP2007151595A (en)* | 2005-11-30 | 2007-06-21 | Olympus Corp | Endoscope therapeutic device |
| JP2008000579A (en)* | 2006-06-23 | 2008-01-10 | Olympus Medical Systems Corp | Endoscopic treatment system, treatment tool, and adapter |
| US9833287B2 (en) | 2007-01-31 | 2017-12-05 | Covidien Lp | Thermal feedback systems and methods of using the same |
| US8956350B2 (en) | 2007-01-31 | 2015-02-17 | Covidien Lp | Thermal feedback systems and methods of using the same |
| EP2064985A3 (en)* | 2007-11-27 | 2009-06-24 | Tyco Healthcare Group LP | Apparatus for controlling endoscopic instrument |
| US9305682B2 (en) | 2008-01-23 | 2016-04-05 | Covidien Lp | Thermally tuned coaxial cable for microwave antennas |
| US8969722B2 (en) | 2008-01-23 | 2015-03-03 | Covidien Lp | Thermally tuned coaxial cable for microwave antennas |
| US9017328B2 (en) | 2008-01-29 | 2015-04-28 | Covidien Lp | Polyp encapsulation system and method |
| US9023026B2 (en) | 2008-01-31 | 2015-05-05 | Covidien Lp | Articulating ablation device and method |
| US9370314B2 (en) | 2008-02-07 | 2016-06-21 | Covidien Lp | Endoscopic instrument for tissue identification |
| US11540873B2 (en) | 2008-02-07 | 2023-01-03 | Covidien Lp | Surgical instrument for tissue identification |
| US10045814B2 (en) | 2008-02-07 | 2018-08-14 | Covidien Lp | Endoscopic instrument for tissue identification |
| US10631922B2 (en) | 2008-02-07 | 2020-04-28 | Covidien Lp | Endoscopic instrument for tissue identification |
| JP2009225992A (en)* | 2008-03-21 | 2009-10-08 | Olympus Medical Systems Corp | Endoscope system |
| US9949794B2 (en) | 2008-03-27 | 2018-04-24 | Covidien Lp | Microwave ablation devices including expandable antennas and methods of use |
| US9707038B2 (en) | 2008-08-28 | 2017-07-18 | Covidien Lp | Microwave antenna with cooled handle |
| US9198725B2 (en) | 2008-08-28 | 2015-12-01 | Covidien Lp | Microwave antenna with choke |
| US9113932B1 (en) | 2008-08-28 | 2015-08-25 | Covidien Lp | Microwave antenna with choke |
| US10022186B2 (en) | 2008-08-28 | 2018-07-17 | Covidien Lp | Microwave antenna with cooled handle |
| US11147620B2 (en) | 2008-08-28 | 2021-10-19 | Covidien Lp | Microwave antenna with cooled hub |
| US9375280B2 (en) | 2008-08-28 | 2016-06-28 | Covidien Lp | Microwave antenna with cooling system |
| US10080610B2 (en) | 2009-02-20 | 2018-09-25 | Covidien Lp | Leaky-wave antennas for medical applications |
| US8968292B2 (en) | 2009-02-20 | 2015-03-03 | Covidien Lp | Leaky-wave antennas for medical applications |
| US8832927B2 (en) | 2009-03-10 | 2014-09-16 | Covidien Lp | Method of manufacturing surgical antennas |
| US9867670B2 (en) | 2009-04-01 | 2018-01-16 | Covidien Lp | Microwave ablation system and user-controlled ablation size and method of use |
| US9504524B2 (en) | 2009-05-19 | 2016-11-29 | Covidien Lp | Tissue impedance measurement using a secondary frequency |
| US10675090B2 (en) | 2009-05-19 | 2020-06-09 | Covidien Lp | Tissue impedance measurement using a secondary frequency |
| US10499989B2 (en) | 2009-05-27 | 2019-12-10 | Covidien Lp | Narrow gauge high strength choked wet tip microwave ablation antenna |
| US9192437B2 (en) | 2009-05-27 | 2015-11-24 | Covidien Lp | Narrow gauge high strength choked wet tip microwave ablation antenna |
| US9662172B2 (en) | 2009-05-27 | 2017-05-30 | Covidien Lp | Narrow gauge high strength choked wet tip microwave ablation antenna |
| US8847830B2 (en) | 2009-06-19 | 2014-09-30 | Covidien Lp | Microwave ablation antenna radiation detector |
| US9625395B2 (en) | 2009-06-19 | 2017-04-18 | Covidien Lp | Microwave ablation antenna radiation detector |
| US8968300B2 (en) | 2009-08-05 | 2015-03-03 | Covidien Lp | Electrosurgical devices having dielectric loaded coaxial aperture with distally positioned resonant structure |
| US10213255B2 (en) | 2009-08-05 | 2019-02-26 | Covidien Lp | Electrosurgical devices having dielectric loaded coaxial aperture with distally positioned resonant structure and method of manufacturing same |
| US10363096B2 (en) | 2009-09-09 | 2019-07-30 | Covidien Lp | Method for constructing a dipole antenna |
| US9379444B2 (en) | 2009-09-09 | 2016-06-28 | Covidien Lp | Method for constructing a dipole antenna |
| US8894640B2 (en) | 2009-09-24 | 2014-11-25 | Covidien Lp | Optical detection of interrupted fluid flow to ablation probe |
| US9370399B2 (en) | 2009-09-29 | 2016-06-21 | Covidien Lp | Flow rate monitor for fluid cooled microwave ablation probe |
| US9024237B2 (en) | 2009-09-29 | 2015-05-05 | Covidien Lp | Material fusing apparatus, system and method of use |
| US9572625B2 (en) | 2009-09-29 | 2017-02-21 | Covidien Lp | Flow rate monitor for fluid cooled microwave ablation probe |
| US10182866B2 (en) | 2009-09-29 | 2019-01-22 | Covidien Lp | Flow rate monitor for fluid cooled microwave ablation probe |
| US8852180B2 (en) | 2009-10-28 | 2014-10-07 | Covidien Lp | System and method for monitoring ablation size |
| US10213256B2 (en) | 2009-10-28 | 2019-02-26 | Covidien Lp | System and method for monitoring ablation size |
| US9271791B2 (en) | 2009-10-28 | 2016-03-01 | Covidien Lp | System and method for monitoring ablation size |
| US9144372B2 (en)* | 2009-11-06 | 2015-09-29 | Nico Corporation | Surgical adapter assembly for use with endoscope |
| US20110112359A1 (en)* | 2009-11-06 | 2011-05-12 | Mark Joseph L | Surgical adapter assembly for use with endoscope |
| USRE46362E1 (en) | 2009-11-16 | 2017-04-11 | Covidien Lp | Twin sealing chamber hub |
| US9276367B2 (en) | 2009-11-17 | 2016-03-01 | Covidien Lp | Method of manurfacturing an electromagnetic energy delivery device |
| US9358067B2 (en) | 2010-02-26 | 2016-06-07 | Covidien Lp | Tissue ablation system with internal and external radiation sources |
| US9480527B2 (en) | 2010-03-08 | 2016-11-01 | Covidien Lp | Microwave antenna probe having a deployable ground plane |
| US10271901B2 (en) | 2010-03-26 | 2019-04-30 | Covidien Lp | Ablation devices with adjustable radiating section lengths, electrosurgical systems including same, and methods of adjusting ablation fields using same |
| US9271788B2 (en) | 2010-03-26 | 2016-03-01 | Cividien LP | Ablation devices with adjustable radiating section lengths, electrosurgical systems including same, and methods of adjusting ablation fields using same |
| US9867664B2 (en) | 2010-05-03 | 2018-01-16 | Covidien Lp | System and method of deploying an antenna assembly |
| US9888963B2 (en) | 2010-05-11 | 2018-02-13 | Covidien Lp | Electrosurgical devices with balun structure for air exposure of antenna radiating section and method of directing energy to tissue using same |
| US10966784B2 (en) | 2010-05-11 | 2021-04-06 | Covidien Lp | Electrosurgical devices with balun structure |
| US9561076B2 (en) | 2010-05-11 | 2017-02-07 | Covidien Lp | Electrosurgical devices with balun structure for air exposure of antenna radiating section and method of directing energy to tissue using same |
| US10251701B2 (en) | 2010-05-25 | 2019-04-09 | Covidien Lp | Flow rate verification monitor for fluid-cooled microwave ablation probe |
| US9668812B2 (en) | 2010-05-25 | 2017-06-06 | Covidien Lp | Flow rate verification monitor for fluid-cooled microwave ablation probe |
| US9192436B2 (en) | 2010-05-25 | 2015-11-24 | Covidien Lp | Flow rate verification monitor for fluid-cooled microwave ablation probe |
| US9301803B2 (en) | 2010-05-26 | 2016-04-05 | Covidien Lp | System and method for chemically cooling an ablation antenna |
| US9603663B2 (en) | 2010-05-26 | 2017-03-28 | Covidien Lp | System and method for chemically cooling an ablation antenna |
| US9241762B2 (en) | 2010-06-03 | 2016-01-26 | Covidien Lp | Specific absorption rate measurement and energy-delivery device characterization using image analysis |
| US9377367B2 (en) | 2010-06-03 | 2016-06-28 | Covidien Lp | Specific absorption rate measurement and energy-delivery device characterization using thermal phantom and image analysis |
| US9468492B2 (en) | 2010-06-03 | 2016-10-18 | Covidien Lp | Specific absorption rate measurement and energy-delivery device characterization using image analysis |
| US9375276B2 (en) | 2010-06-30 | 2016-06-28 | Covidien Lp | Microwave antenna having a reactively-loaded loop configuration |
| US9549778B2 (en) | 2010-06-30 | 2017-01-24 | Covidien Lp | Adjustable tuning of a dielectrically loaded loop antenna |
| US8974449B2 (en) | 2010-07-16 | 2015-03-10 | Covidien Lp | Dual antenna assembly with user-controlled phase shifting |
| US9713496B2 (en) | 2010-07-16 | 2017-07-25 | Covidien Lp | Dual antenna assembly with user-controlled phase shifting |
| US10588684B2 (en) | 2010-07-19 | 2020-03-17 | Covidien Lp | Hydraulic conductivity monitoring to initiate tissue division |
| US11517367B2 (en) | 2010-07-19 | 2022-12-06 | Covidien Lp | Hydraulic conductivity monitoring to initiate tissue division |
| US9119647B2 (en) | 2010-11-12 | 2015-09-01 | Covidien Lp | Apparatus, system and method for performing an electrosurgical procedure |
| US9526577B2 (en) | 2010-11-12 | 2016-12-27 | Covidien Lp | Apparatus, system and method for performing an electrosurgical procedure |
| US9028484B2 (en) | 2010-11-16 | 2015-05-12 | Covidien Lp | Fingertip electrosurgical instruments for use in hand-assisted surgery and systems including same |
| US9055957B2 (en) | 2010-12-23 | 2015-06-16 | Covidien Lp | Microwave field-detecting needle assemblies, methods of manufacturing same, methods of adjusting an ablation field radiating into tissue using same, and systems including same |
| US9044253B2 (en) | 2010-12-23 | 2015-06-02 | Covidien Lp | Microwave field-detecting needle assemblies, methods of manufacturing same, methods of adjusting an ablation field radiating into tissue using same, and systems including same |
| US9375279B2 (en) | 2010-12-23 | 2016-06-28 | Covidien Lp | Methods of adjusting an ablation field radiating into tissue using microwave field-detecting needle assemblies |
| US9743985B2 (en) | 2010-12-23 | 2017-08-29 | Covidien Lp | Microwave field-detecting needle assemblies, methods of manufacturing same, methods of adjusting an ablation field radiating into tissue using same, and systems including same |
| US10123837B2 (en) | 2011-01-05 | 2018-11-13 | Covidien Lp | Energy-delivery devices with flexible fluid-cooled shaft, inflow / outflow junctions suitable for use with same, and systems including same |
| US9770294B2 (en) | 2011-01-05 | 2017-09-26 | Covidien Lp | Energy-delivery devices with flexible fluid-cooled shaft, inflow/outflow junctions suitable for use with same, and systems including same |
| US9017319B2 (en) | 2011-01-05 | 2015-04-28 | Covidien Lp | Energy-delivery devices with flexible fluid-cooled shaft, inflow/outflow junctions suitable for use with same, and systems including same |
| US8932281B2 (en) | 2011-01-05 | 2015-01-13 | Covidien Lp | Energy-delivery devices with flexible fluid-cooled shaft, inflow/outflow junctions suitable for use with same, and systems including same |
| US9937003B2 (en) | 2011-01-05 | 2018-04-10 | Covidien Lp | Energy-delivery devices with flexible fluid-cooled shaft, inflow/outflow junctions suitable for use with same, and systems including same |
| US11058488B2 (en) | 2011-01-05 | 2021-07-13 | Covidien Lp | Energy-delivery devices with flexible fluid-cooled shaft, inflow / outflow junctions suitable for use with same, and systems including same |
| US9011421B2 (en) | 2011-01-05 | 2015-04-21 | Covidien Lp | Energy-delivery devices with flexible fluid-cooled shaft, inflow/outflow junctions suitable for use with same, and systems including same |
| US10238452B2 (en) | 2011-02-03 | 2019-03-26 | Covidien Lp | Dual antenna microwave resection and ablation device, system and method of use |
| US9301804B2 (en) | 2011-02-03 | 2016-04-05 | Covidien Lp | Dual antenna microwave resection and ablation device, system and method of use |
| US8974450B2 (en) | 2011-02-03 | 2015-03-10 | Covidien Lp | System and method for ablation procedure monitoring using electrodes |
| US9814525B2 (en) | 2011-02-03 | 2017-11-14 | Covidien Lp | System and method for ablation procedure monitoring using electrodes |
| US9028476B2 (en) | 2011-02-03 | 2015-05-12 | Covidien Lp | Dual antenna microwave resection and ablation device, system and method of use |
| US9492190B2 (en) | 2011-02-09 | 2016-11-15 | Covidien Lp | Tissue dissectors |
| US9192441B2 (en) | 2011-02-17 | 2015-11-24 | Covidien Lp | Energy-delivery device including ultrasound transducer array and phased antenna array, and methods of adjusting an ablation field radiating into tissue using same |
| US10335230B2 (en) | 2011-03-09 | 2019-07-02 | Covidien Lp | Systems for thermal-feedback-controlled rate of fluid flow to fluid-cooled antenna assembly and methods of directing energy to tissue using same |
| US11147622B2 (en) | 2011-03-09 | 2021-10-19 | Covidien Lp | Systems for thermal-feedback-controlled rate of fluid flow to fluid-cooled antenna assembly and methods of directing energy to tissue using same |
| US9381059B2 (en) | 2011-04-05 | 2016-07-05 | Covidien Lp | Electrically-insulative hinge for electrosurgical jaw assembly, bipolar forceps including same, and methods of jaw-assembly alignment using fastened electrically-insulative hinge |
| US11478295B2 (en) | 2011-04-05 | 2022-10-25 | Covidien Lp | Electrically-insulative hinge for electrosurgical jaw assembly, bipolar forceps including same, and methods of jaw-assembly alignment using fastened electrically-insulative hinge |
| US10441351B2 (en) | 2011-04-05 | 2019-10-15 | Covidien Lp | Electrically-insulative hinge for electrosurgical jaw assembly, bipolar forceps including same, and methods of jaw-assembly alignment using fastened electrically-insulative hinge |
| US10363094B2 (en) | 2011-04-08 | 2019-07-30 | Covidien Lp | Flexible microwave catheters for natural or artificial lumens |
| US9198724B2 (en) | 2011-04-08 | 2015-12-01 | Covidien Lp | Microwave tissue dissection and coagulation |
| US10098697B2 (en) | 2011-04-08 | 2018-10-16 | Covidien Lp | Microwave tissue dissection and coagulation |
| US9579150B2 (en) | 2011-04-08 | 2017-02-28 | Covidien Lp | Microwave ablation instrument with interchangeable antenna probe |
| US10799290B2 (en) | 2011-04-08 | 2020-10-13 | Covidien Lp | Microwave tissue dissection and coagulation |
| US10610298B2 (en) | 2011-04-08 | 2020-04-07 | Covidien Lp | Microwave ablation instrument with interchangeable antenna probe |
| US8992413B2 (en) | 2011-05-31 | 2015-03-31 | Covidien Lp | Modified wet tip antenna design |
| US10588693B2 (en) | 2011-05-31 | 2020-03-17 | Covidien Lp | Modified wet tip antenna design |
| US10869674B2 (en) | 2011-07-15 | 2020-12-22 | Covidien Lp | Clip-over disposable assembly for use with hemostat-style surgical instrument and methods of manufacturing same |
| US9113891B2 (en) | 2011-07-15 | 2015-08-25 | Covidien Lp | Clip-over disposable assembly for use with hemostat-style surgical instrument and methods of manufacturing same |
| US9808259B2 (en) | 2011-07-15 | 2017-11-07 | Covidien Lp | Clip-over disposable assembly for use with hemostat-style surgical instrument and methods of manufacturing same |
| US8888771B2 (en) | 2011-07-15 | 2014-11-18 | Covidien Lp | Clip-over disposable assembly for use with hemostat-style surgical instrument and methods of manufacturing same |
| US8968297B2 (en) | 2011-07-19 | 2015-03-03 | Covidien Lp | Microwave and RF ablation system and related method for dynamic impedance matching |
| US9192422B2 (en) | 2011-07-19 | 2015-11-24 | Covidien Lp | System and method of matching impedances of an electrosurgical generator and/or a microwave generator |
| US9028482B2 (en) | 2011-07-19 | 2015-05-12 | Covidien Lp | Microwave and RF ablation system and related method for dynamic impedance matching |
| US9724158B2 (en) | 2011-08-09 | 2017-08-08 | Covidien Lp | Microwave antenna having a coaxial cable with an adjustable outer conductor configuration |
| US10675091B2 (en) | 2011-08-09 | 2020-06-09 | Covidien Lp | Microwave antenna having a coaxial cable with an adjustable outer conductor configuration |
| US8870860B2 (en) | 2011-08-09 | 2014-10-28 | Covidien Lp | Microwave antenna having a coaxial cable with an adjustable outer conductor configuration |
| US9039693B2 (en) | 2011-09-20 | 2015-05-26 | Covidien Lp | Handheld medical devices including microwave amplifier unit at device handle |
| US9039692B2 (en) | 2011-09-20 | 2015-05-26 | Covidien Lp | Handheld medical devices including microwave amplifier unit at device handle |
| US9033970B2 (en) | 2011-09-20 | 2015-05-19 | Covidien Lp | Handheld medical devices including microwave amplifier unit at device handle |
| US9023025B2 (en) | 2011-09-20 | 2015-05-05 | Covidien Lp | Handheld medical devices including microwave amplifier unit at device handle |
| US9522042B2 (en) | 2012-01-05 | 2016-12-20 | Covidien Lp | Ablation systems, probes, and methods for reducing radiation from an ablation probe into the environment |
| US9848951B2 (en) | 2012-01-05 | 2017-12-26 | Covidien Lp | Ablation systems, probes, and methods for reducing radiation from an ablation probe into the environment |
| US9247994B2 (en) | 2012-01-05 | 2016-02-02 | Covidien Lp | Ablation systems, probes, and methods for reducing radiation from an ablation probe into the environment |
| US9925005B2 (en) | 2012-01-05 | 2018-03-27 | Covidien Lp | Ablation systems, probes, and methods for reducing radiation from an ablation probe into the environment |
| US9375274B2 (en) | 2012-01-05 | 2016-06-28 | Covidien Lp | Ablation systems, probes, and methods for reducing radiation from an ablation probe into the environment |
| US9113930B2 (en) | 2012-01-05 | 2015-08-25 | Covidien Lp | Ablation systems, probes, and methods for reducing radiation from an ablation probe into the environment |
| US9693823B2 (en) | 2012-01-06 | 2017-07-04 | Covidien Lp | System and method for treating tissue using an expandable antenna |
| US9119648B2 (en) | 2012-01-06 | 2015-09-01 | Covidien Lp | System and method for treating tissue using an expandable antenna |
| US9681916B2 (en) | 2012-01-06 | 2017-06-20 | Covidien Lp | System and method for treating tissue using an expandable antenna |
| US10271902B2 (en) | 2012-01-06 | 2019-04-30 | Covidien Lp | System and method for treating tissue using an expandable antenna |
| US9113931B2 (en) | 2012-01-06 | 2015-08-25 | Covidien Lp | System and method for treating tissue using an expandable antenna |
| US10076383B2 (en) | 2012-01-25 | 2018-09-18 | Covidien Lp | Electrosurgical device having a multiplexer |
| US9192308B2 (en) | 2012-03-27 | 2015-11-24 | Covidien Lp | Microwave-shielded tissue sensor probe |
| US9597151B2 (en) | 2012-04-05 | 2017-03-21 | Covidien Lp | Electrosurgical tissue ablation systems and methods capable of detecting excessive bending of a probe and alerting a user |
| US8945113B2 (en) | 2012-04-05 | 2015-02-03 | Covidien Lp | Electrosurgical tissue ablation systems capable of detecting excessive bending of a probe and alerting a user |
| US9943359B2 (en) | 2012-04-30 | 2018-04-17 | Covidien Lp | Limited reuse ablation needles and ablation devices for use therewith |
| US9364278B2 (en) | 2012-04-30 | 2016-06-14 | Covidien Lp | Limited reuse ablation needles and ablation devices for use therewith |
| US10130416B2 (en) | 2012-04-30 | 2018-11-20 | Covidien Lp | Limited reuse ablation needles and ablation devices for use therewith |
| US9700370B2 (en) | 2012-04-30 | 2017-07-11 | Covidien Lp | Limited reuse ablation needles and ablation devices for use therewith |
| US10405918B2 (en) | 2012-04-30 | 2019-09-10 | Covidien Lp | Limited reuse ablation needles and ablation devices for use therewith |
| US9271792B2 (en) | 2012-05-04 | 2016-03-01 | Covidien Lp | Peripheral switching device for microwave energy platforms |
| US9693824B2 (en) | 2012-05-04 | 2017-07-04 | Covidien Lp | Peripheral switching device for microwave energy platforms |
| US9526569B2 (en) | 2012-05-22 | 2016-12-27 | Covidien Lp | Electrosurgical instrument |
| US8906008B2 (en) | 2012-05-22 | 2014-12-09 | Covidien Lp | Electrosurgical instrument |
| US9597232B2 (en) | 2012-05-22 | 2017-03-21 | Covidien Lp | Energy-delivery system and method for controlling blood loss from wounds |
| US9974606B2 (en) | 2012-05-22 | 2018-05-22 | Covidien Lp | Electrosurgical instrument |
| US9168178B2 (en) | 2012-05-22 | 2015-10-27 | Covidien Lp | Energy-delivery system and method for controlling blood loss from wounds |
| US9198721B2 (en) | 2012-05-22 | 2015-12-01 | Covidien Lp | Electrosurgical instrument |
| US9526568B2 (en) | 2012-05-31 | 2016-12-27 | Covidien Lp | Drug-delivery device for use with ablation device |
| US10363095B2 (en) | 2012-06-22 | 2019-07-30 | Covidien Lp | Microwave thermometry for microwave ablation systems |
| US9121774B2 (en) | 2012-06-22 | 2015-09-01 | Covidien Lp | Microwave thermometry for microwave ablation systems |
| US9151680B2 (en) | 2012-06-22 | 2015-10-06 | Covidien Lp | Microwave thermometry for microwave ablation systems |
| US9127989B2 (en) | 2012-06-22 | 2015-09-08 | Covidien Lp | Microwave thermometry for microwave ablation systems |
| US9743986B2 (en) | 2012-06-22 | 2017-08-29 | Covidien Lp | Microwave thermometry for microwave ablation systems |
| US9332959B2 (en) | 2012-06-26 | 2016-05-10 | Covidien Lp | Methods and systems for enhancing ultrasonic visibility of energy-delivery devices within tissue |
| US9833288B2 (en) | 2012-06-26 | 2017-12-05 | Covidien Lp | Methods and systems for enhancing ultrasonic visibilty of energy-delivery devices within tissue |
| US9066681B2 (en) | 2012-06-26 | 2015-06-30 | Covidien Lp | Methods and systems for enhancing ultrasonic visibility of energy-delivery devices within tissue |
| US9375198B2 (en) | 2012-06-26 | 2016-06-28 | Covidien Lp | Methods and systems for enhancing ultrasonic visibility of energy-delivery devices within tissue |
| US9192426B2 (en) | 2012-06-26 | 2015-11-24 | Covidien Lp | Ablation device having an expandable chamber for anchoring the ablation device to tissue |
| US9566111B2 (en) | 2012-06-26 | 2017-02-14 | Covidien Lp | Ablation device having an expandable chamber for anchoring the ablation device to tissue |
| US9901398B2 (en) | 2012-06-29 | 2018-02-27 | Covidien Lp | Microwave antenna probes |
| US9192439B2 (en) | 2012-06-29 | 2015-11-24 | Covidien Lp | Method of manufacturing a surgical instrument |
| US11510732B2 (en) | 2012-06-29 | 2022-11-29 | Covidien Lp | Microwave antenna probes |
| US9439712B2 (en) | 2012-07-12 | 2016-09-13 | Covidien Lp | Heat-distribution indicators, thermal zone indicators, electrosurgical systems including same and methods of directing energy to tissue using same |
| US9375252B2 (en) | 2012-08-02 | 2016-06-28 | Covidien Lp | Adjustable length and/or exposure electrodes |
| US9370398B2 (en) | 2012-08-07 | 2016-06-21 | Covidien Lp | Microwave ablation catheter and method of utilizing the same |
| US11678934B2 (en) | 2012-08-07 | 2023-06-20 | Covidien Lp | Microwave ablation system |
| US9993295B2 (en) | 2012-08-07 | 2018-06-12 | Covidien Lp | Microwave ablation catheter and method of utilizing the same |
| US9993296B2 (en) | 2012-08-07 | 2018-06-12 | Covidien Lp | Microwave ablation catheter and method of utilizing the same |
| US9247993B2 (en) | 2012-08-07 | 2016-02-02 | Covidien, LP | Microwave ablation catheter and method of utilizing the same |
| US9259269B2 (en) | 2012-08-07 | 2016-02-16 | Covidien Lp | Microwave ablation catheter and method of utilizing the same |
| US9044254B2 (en) | 2012-08-07 | 2015-06-02 | Covidien Lp | Microwave ablation catheter and method of utilizing the same |
| US9743975B2 (en) | 2012-10-02 | 2017-08-29 | Covidien Lp | Thermal ablation probe for a medical device |
| US9522033B2 (en) | 2012-10-02 | 2016-12-20 | Covidien Lp | Devices and methods for optical detection of tissue contact |
| US10271829B2 (en) | 2012-10-02 | 2019-04-30 | Covidien Lp | Heat-sensitive optical probes |
| US10080603B2 (en) | 2012-10-02 | 2018-09-25 | Covidien Lp | Devices and methods for optical detection of tissue contact |
| US10213257B2 (en) | 2012-10-02 | 2019-02-26 | Covidien Lp | Devices and methods for optical detection of tissue contact |
| US9993283B2 (en) | 2012-10-02 | 2018-06-12 | Covidien Lp | Selectively deformable ablation device |
| US9370392B2 (en) | 2012-10-02 | 2016-06-21 | Covidien Lp | Heat-sensitive optical probes |
| US9668802B2 (en) | 2012-10-02 | 2017-06-06 | Covidien Lp | Devices and methods for optical detection of tissue contact |
| US9662165B2 (en) | 2012-10-02 | 2017-05-30 | Covidien Lp | Device and method for heat-sensitive agent application |
| US9901399B2 (en) | 2012-12-17 | 2018-02-27 | Covidien Lp | Ablation probe with tissue sensing configuration |
| US10828102B2 (en) | 2012-12-17 | 2020-11-10 | Covidien Lp | Ablation probe with tissue sensing configuration |
| US11382692B2 (en) | 2013-03-29 | 2022-07-12 | Covidien Lp | Step-down coaxial microwave ablation applicators and methods for manufacturing same |
| US9987087B2 (en) | 2013-03-29 | 2018-06-05 | Covidien Lp | Step-down coaxial microwave ablation applicators and methods for manufacturing same |
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| US20180132891A1 (en)* | 2015-07-31 | 2018-05-17 | Purdue Research Foundation | Systems and methods for performing a surgical procedure |
| US10806489B2 (en)* | 2015-07-31 | 2020-10-20 | Purdue Research Foundation | Systems and methods for performing a surgical procedure |
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| CH712611A1 (en)* | 2016-06-28 | 2017-12-29 | Med Karl Pieper Dr | Device for the controlled transport of a catheter, light guide or cable. |
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| CN111265179B (en)* | 2020-02-26 | 2023-11-03 | 上海澳华内镜股份有限公司 | A kind of auxiliary tool and endoscope system for moving treatment instruments |
| US12029392B2 (en) | 2021-03-03 | 2024-07-09 | Boston Scientific Scimed, Inc. | Medical device including a medical device management system |
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| KR20230136961A (en)* | 2022-03-21 | 2023-10-04 | 임스카우트 주식회사 | Guider for an endoscopic apparatus and an endoscopic apparatus including the same |
| Publication number | Publication date |
|---|---|
| JP3500228B2 (en) | 2004-02-23 |
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