CN107307891B - Purse-string suture cutting closer - Google Patents
Purse-string suture cutting closerDownload PDFInfo
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- CN107307891B CN107307891BCN201710632271.2ACN201710632271ACN107307891BCN 107307891 BCN107307891 BCN 107307891BCN 201710632271 ACN201710632271 ACN 201710632271ACN 107307891 BCN107307891 BCN 107307891B
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- RTAQQCXQSZGOHL-UHFFFAOYSA-NTitaniumChemical compound[Ti]RTAQQCXQSZGOHL-UHFFFAOYSA-N0.000claimsabstractdescription97
- 229910052719titaniumInorganic materials0.000claimsabstractdescription97
- 239000010936titaniumSubstances0.000claimsabstractdescription97
- 238000010304firingMethods0.000claimsdescription8
- 210000003238esophagusAnatomy0.000abstractdescription21
- 210000000813small intestineAnatomy0.000abstractdescription21
- 238000000034methodMethods0.000description5
- 230000003872anastomosisEffects0.000description4
- 238000010586diagramMethods0.000description3
- 230000000968intestinal effectEffects0.000description2
- 230000000717retained effectEffects0.000description2
- 208000005718Stomach NeoplasmsDiseases0.000description1
- 230000009286beneficial effectEffects0.000description1
- 230000006835compressionEffects0.000description1
- 238000007906compressionMethods0.000description1
- 230000000694effectsEffects0.000description1
- 238000005516engineering processMethods0.000description1
- 238000013110gastrectomyMethods0.000description1
- 206010017758gastric cancerDiseases0.000description1
- 210000000936intestineAnatomy0.000description1
- 238000012986modificationMethods0.000description1
- 230000004048modificationEffects0.000description1
- 238000002271resectionMethods0.000description1
- 238000000926separation methodMethods0.000description1
- 201000011549stomach cancerDiseases0.000description1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/11—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis, e.g. in a single operation
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/11—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis
- A61B17/1114—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/11—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis
- A61B2017/1142—Purse-string sutures
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Abstract
Translated fromChinese
Description
Translated fromChinese技术领域technical field
本发明涉及手术用医疗器械领域，特别涉及一种荷包缝合切割闭合器。The invention relates to the field of surgical medical instruments, in particular to a purse-string suture cutting and closing device.
背景技术Background technique
在腹腔镜的胃癌切除手术中，将胃全切后需要将食管与小肠进行吻合处理，该处理过程涉及到了食管/小肠的切割与缝合、荷包缝合及食管与小肠的吻合处理过程，其中，在现有的技术中，切割与缝合可采用直线切割闭合器或者直线切割缝合器进行，荷包缝合则可手工缝合，亦可采用荷包缝合钳进行，该两过程在现有技术中是分开进行的，这在一定程度上增加了医生的工作量和工作难度，因此，为了简化食管和小肠的吻合处理过程，本发明旨在设计一款能够将切割与缝合、荷包缝合两过程相结合的荷包缝合切割闭合器。In laparoscopic gastric cancer resection, the anastomosis of the esophagus and the small intestine is required after the total gastrectomy, which involves the cutting and suturing of the esophagus/small intestine, purse-string suture, and the anastomosis of the esophagus and the small intestine. In the existing technology, the cutting and suturing can be performed with a linear cutting closer or a linear cutting suturing device, and the purse string suture can be sutured manually or with purse string suture forceps. The two processes are carried out separately in the prior art. This increases the doctor's workload and work difficulty to a certain extent. Therefore, in order to simplify the anastomosis process of the esophagus and small intestine, the present invention aims to design a purse-string suture cutting system that can combine cutting, suturing and purse-string suture. closer.
发明内容Contents of the invention
鉴于以上内容，有必要提供一种荷包缝合切割闭合器，该荷包缝合切割闭合器能够将待吻合的食管或小肠进行切割，并对切割后得到的两段的端口进行缝合，其中，一段端口的缝合为闭合式缝合，另一端端口的缝合为荷包式缝合。In view of the above, it is necessary to provide a purse-string suture cutting and closing device, which can cut the esophagus or small intestine to be anastomosed, and suture the two sections of ports obtained after cutting, wherein, one section of the port The suture is a closed suture, and the suture at the other end port is a purse string suture.
为达到上述目的，本发明所采用的技术方案是：In order to achieve the above object, the technical scheme adopted in the present invention is:
一种荷包缝合切割闭合器，可与击发装置配合使用，包括：A purse-string suture cutter closer for use with a firing device comprising:
壳体，内置有与所述击发装置连接的推动件；The casing has a built-in pusher connected to the firing device;
钳体，安装在壳体一端，包括可相互打开或者闭合的上钳体和下钳体,所述上钳体和下钳体沿其长度方向上开设有推刀槽，所述下钳体朝向上钳体的侧面上开设有两组钉孔组，该两组钉孔组分设在所述推刀槽的相对两侧，每组钉孔组包含若干间隔设置的钉孔，所述钉孔内放置有钛钉，所述下钳体内设置有驱动钛钉钉合的推钉器；The pliers are installed at one end of the shell, and include an upper pliers and a lower pliers which can be opened or closed. Two groups of nail hole groups are provided on the side of the upward pliers, and the two groups of nail hole groups are arranged on the opposite sides of the push knife groove, and each group of nail hole groups includes a number of nail holes arranged at intervals. A titanium nail is placed, and a nail pusher for driving the titanium nail to be stapled is arranged in the lower pliers;
切割刀，滑动安装在所述推刀槽内，并与所述推钉器及推动件连接；The cutting knife is slidably installed in the pushing knife groove, and is connected with the nail pushing device and the pushing piece;
所述下钳体上的两组钉孔组中，其中一组钉孔组为闭合钉孔组，另一组钉孔组为荷包钉孔组，所述荷包钉孔组中的荷包钉孔与推刀槽成夹角；Among the two groups of nail hole groups on the lower pliers body, one group of nail hole groups is a closed nail hole group, and the other group of nail hole groups is a purse nail hole group, and the purse nail holes in the purse nail hole group are connected to The push knife groove forms an included angle;
所述上钳体朝向下钳体的侧面上也开设有一组荷包钉孔组，该荷包钉孔组设置在所述推刀槽一侧，所述推刀槽的另一侧设置有与下钳体上的闭合钉孔配合使用的闭合钉砧；所述上钳体内设置有所述推钉器；The side of the upper pliers body facing the lower pliers body is also provided with a set of purse nail hole groups, the purse nail hole group is arranged on one side of the push knife groove, and the other side of the push knife groove is provided with a A closed nail anvil used in conjunction with a closed nail hole on the body; the nail pusher is arranged in the upper pliers;
所述上钳体和下钳体内均滑动安装有荷包钉砧连接框架，所述荷包钉砧连接框架上间隔设置若干组荷包钉砧，每组荷包钉砧与一荷包钉孔配合使用，每组荷包钉砧包括两分砧，两分砧分设在荷包钉孔的两端，且每一分砧在钛钉钉合时对应着钛钉的一钉脚；所述荷包钉砧连接框架由切割刀推动滑动，并在所述切割刀的作用下促使其上的每组荷包钉砧与其相应的荷包钉孔错开或者重叠。Both the upper pliers body and the lower pliers body are slidingly installed with a purse nail anvil connection frame, and several groups of purse nail anvils are arranged at intervals on the purse nail anvil connection frame, and each group of purse nail anvils is used in conjunction with a purse nail hole, each group The purse nail anvil includes two sub-anvils, which are respectively arranged at the two ends of the purse nail hole, and each sub-anvil corresponds to a nail foot of the titanium nail when the titanium nail is nailed; Pushing and sliding, and under the action of the cutting knife, each group of purse anvils on it is staggered or overlapped with its corresponding purse nail holes.
进一步地，所述上钳体和下钳体内均滑动安装有钛钉板，所述钛钉板一侧面上间隔开设有若干钉槽，所述荷包钉孔内的钛钉放置在钉槽内。Further, titanium nail plates are slidably installed in the upper and lower clamp bodies, and a number of nail grooves are separated on one side of the titanium nail plate, and the titanium nails in the purse nail holes are placed in the nail grooves.
进一步地，所述钛钉板均通过弹簧滑动安装在相应的钳体内。Further, the titanium nail plates are slidably installed in the corresponding pliers through springs.
进一步地，驱动所述荷包钉孔内的钛钉钉合的推钉器为压板件，所述压板件朝向钛钉板的侧面为倾斜面，该倾斜面朝向荷包钉孔所在侧倾斜；当所述切割刀带动压板件运动时，所述钛钉板在压板件倾斜面的作用下推动钛钉向荷包钉孔所在侧运动并钉合。Further, the nail pusher that drives the titanium nails in the purse nail hole is a pressing plate, and the side of the pressing plate facing the titanium nail plate is an inclined surface, and the inclined surface is inclined towards the side where the purse nail hole is located; when the When the cutting knife drives the pressing plate to move, the titanium nail plate, under the action of the inclined surface of the pressing plate, pushes the titanium nail to move to the side where the purse nail hole is located and staple it together.
进一步地，每组荷包钉孔组由一排沿钳体长度方向间隔设置的荷包钉孔组成。Further, each group of purse-shaped nail holes is composed of a row of purse-shaped nail holes arranged at intervals along the length direction of the caliper body.
进一步地，所述闭合钉孔组中的闭合钉孔平行推刀槽设置，所述荷包钉孔与推刀槽所成的夹角为90°。Further, the closed nail holes in the closed nail hole group are arranged parallel to the push knife groove, and the included angle between the purse string nail hole and the push knife groove is 90°.
进一步地，当所述荷包钉砧与荷包钉孔错开设置时，所述荷包钉砧连接框架不遮挡荷包钉孔，且与所述钛钉不接触。Further, when the purse-string anvil and the purse-string nail hole are staggered, the purse-string anvil connection frame does not block the purse-string nail hole, and does not contact the titanium nail.
进一步地，所述荷包钉砧连接框架远离壳体的一端设置有凸起结构，所述凸起结构位于推刀槽所在侧，并朝向所述推刀槽设置；所述上钳体和下钳体内均滑动设置有触发件，所述触发件连接切割刀，并在所述切割刀的驱动下随切割刀滑动；当所述切割刀运动至凸起结构所在端时，所述触发件触碰凸起结构，并通过推动所述凸起结构运动来促使荷包钉砧连接框架滑动以使荷包钉砧与荷包钉孔相互错开。Further, a protruding structure is provided at the end of the purse-string nail-anvil connection frame away from the housing, and the protruding structure is located on the side where the push knife groove is located, and is arranged toward the push knife groove; the upper pliers body and the lower pliers A trigger piece is slidably arranged in the body, and the trigger piece is connected to the cutting knife and slides with the cutting knife driven by the cutting knife; when the cutting knife moves to the end where the protruding structure is located, the trigger piece touches protruding structure, and by pushing the protruding structure to move, the purse-string anvil connecting frame is pushed to slide so that the purse-string anvil and the purse-string nail hole are mutually staggered.
进一步地，所述荷包钉砧接触钛钉的一侧面上开设有限制槽，所述限制槽沿钛钉钉合时钛钉钉脚的滑动方向设置。Further, a limiting groove is opened on the side of the purse-string anvil that contacts the titanium nail, and the limiting groove is set along the sliding direction of the titanium nail foot when the titanium nail is nailed.
进一步地，所述荷包缝合切割闭合器还包括荷包缝合线；所述荷包缝合线同时连接上钳体和下钳体，并横越每一荷包钉孔，且位于所述荷包钉孔内的钛钉两钉脚之间；所述荷包缝合线与上钳体、下钳体均为可拆卸式连接。Further, the purse-string suture cutting and closing device also includes a purse-string suture; the purse-string suture simultaneously connects the upper forceps body and the lower forceps body, traverses each purse-string nail hole, and is located in the purse-string nail hole. Between the two nail feet; the purse string suture is detachably connected to the upper and lower pliers body.
与现有技术相比，本发明具有以下有益效果：Compared with the prior art, the present invention has the following beneficial effects:
1、本发明在现有直线切割闭合器的基础上改进，其主要针对钳体部分进行改进，具体是对钳体上推刀槽两侧的钉孔组进行改进，其中，保留了推刀槽一侧原有的闭合式缝合结构，即在下钳体上开设闭合钉孔和设置相应的钛钉、推钉器等，及在上钳体上设置与下钳体的闭合钉孔相配合使用的钉砧，而推刀槽另一侧则改进成上钳体和下钳体上均开设有荷包钉孔，以通过双向开孔的形式实现食管/小肠的荷包式缝合。1. The present invention is improved on the basis of the existing linear cutting closer, which mainly improves the pliers body, specifically the nail hole groups on both sides of the push knife groove on the pliers body, wherein the push knife groove is retained The original closed suture structure on one side, that is, opening closed nail holes on the lower forceps body and setting corresponding titanium nails, nail pushers, etc., and setting on the upper forceps body to cooperate with the closed nail holes of the lower forceps body Anvil, and the other side of the push knife groove is improved to have purse-string nail holes on both the upper and lower forceps body, so as to realize the purse-string suture of the esophagus/small intestine through two-way opening.
2、本发明所设计的荷包缝合切割闭合器能够实现切割闭式缝合和荷包式开式缝合的一体化操作，这在一定程度上减少医生术中的工作量，节约医生的手术时间，其实用性和便捷性较好。2. The purse-string suture cutting and closing device designed by the present invention can realize the integrated operation of cutting closed suture and purse-string open suture, which reduces the workload of the doctor during the operation to a certain extent, saves the doctor's operation time, and is practical Good sex and convenience.
附图说明Description of drawings
图1是本发明荷包缝合切割闭合器的截面内视图。Fig. 1 is a sectional internal view of the purse-string suture cutting and closing device of the present invention.
图2是本发明下钳体的俯视图。Fig. 2 is a top view of the lower pliers body of the present invention.
图3是图2荷包钉砧与荷包钉孔重叠且荷包钉孔所在部分内部透视的结构示意图。Fig. 3 is a structural schematic diagram of the internal perspective of the part where the purse nail anvil overlaps with the purse nail hole and where the purse nail hole is located in Fig. 2 .
图4是图2荷包钉砧与荷包钉孔错开且荷包钉孔所在部分内部透视的结构示意图。Fig. 4 is a structural schematic diagram of the internal perspective of the part where the purse nail anvil and the purse nail hole are staggered and where the purse nail hole is located in Fig. 2 .
图5是图1钳体部分的局部内视图。FIG. 5 is a partial internal view of the body portion of FIG. 1 .
图6是图5荷包钉砧隐去其中一分砧后的结构示意图。Fig. 6 is a schematic structural view of the purse-string nail anvil in Fig. 5 with one sub-anvil hidden.
图7是上下钳体闭合时图2中A-A方向上荷包钉孔所在侧的内部结构图。Fig. 7 is an internal structure diagram of the side where the purse nail hole is located in the direction A-A in Fig. 2 when the upper and lower pliers are closed.
图8是图7上钳体部分的结构示意图。Fig. 8 is a schematic structural view of the upper body part of Fig. 7 .
主要元件符号说明Description of main component symbols
图中：壳体1、推动件11、上钳体2、外壳21、31、下钳体3、切割刀4、推刀槽41、荷包缝合线5、闭合钉孔6、荷包钉孔7、推钉器8、推钉连接件81、钛钉板9、钉槽91、弹簧92、荷包钉砧连接框架10、分砧101、凸起结构102、触发件20、触发连接件201、钛钉30。In the figure: shell 1,
如下具体实施方式将结合上述附图进一步说明本发明。The following specific embodiments will further illustrate the present invention in conjunction with the above-mentioned drawings.
具体实施方式Detailed ways
请参阅图1和图2，在本发明的一种较佳实施方式中，一种荷包缝合切割闭合器，可与击发装置配合使用，其包括一壳体1、一钳体、一切割刀4和一荷包缝合线5。壳体1内置有与击发装置连接的一推动件11，其一端安装有钳体。钳体包括可相互打开或者闭合的一上钳体2和一下钳体3,上钳体2和下钳体3沿其长度方向上开设有一推刀槽41；下钳体3朝向上钳体2的侧面上开设有两组钉孔组，该两组钉孔组分设在推刀槽41的相对两侧，每组钉孔组包含若干间隔设置的钉孔，钉孔内放置有钛钉30，下钳体3内设置有驱动钛钉30钉合的推钉器8。切割刀4滑动安装在推刀槽41内，并与推钉器8及推动件11连接，在击发装置驱动推动件11运动的过程中，钳口闭合，切割刀4由推动件11驱动滑行，并在滑行过程切割食管/小肠或者推动推钉器8将钛钉30钉合在食管/小肠上。Please refer to Fig. 1 and Fig. 2, in a preferred embodiment of the present invention, a kind of purse-string suture cutting and closing device can be used in cooperation with the firing device, which includes a housing 1, a pliers body, and a
在本发明中，下钳体3上的两组钉孔组中，其中一组钉孔组为闭合钉孔6组，该闭合钉孔6组中的闭合钉孔6平行推刀槽41设置，另一组钉孔组为荷包钉孔7组，该荷包钉孔7组中的荷包钉孔7与推刀槽41成夹角，即荷包钉孔7组中的荷包钉孔7与闭合钉孔6组的闭合钉孔6成一定角度，而非传统的平行设置。另外，上钳体2朝向下钳体3的侧面上也开设有一组荷包钉孔7组，该荷包钉孔7组设置在推刀槽41一侧，推刀槽41的另一侧设置有与下钳体3上的闭合钉孔6配合使用的闭合钉砧，同时，上钳体2内亦设置有推钉器8。In the present invention, among the two groups of nail holes on the
请参阅图3-8，上钳体2和下钳体3内均滑动安装有一荷包钉砧连接框架10，该荷包钉砧连接框架10上间隔设置若干组荷包钉砧，每组荷包钉砧与一荷包钉孔7配合使用，每组荷包钉砧包括两分砧101，两分砧101分设在荷包钉孔7的两端，且每一分砧101在钛钉30钉合时对应着钛钉30的一钉脚；荷包钉砧连接框架10由切割刀4推动滑动，并在切割刀4的作用下促使其上的每组荷包钉砧与其相应的荷包钉孔7错开或者重叠，以通过荷包钉砧与荷包钉孔7的重叠促使钛钉30抵接分砧101且在分砧101作用下钉合食管/小肠，或者，以通过荷包分砧101与荷包钉孔7的错开促使钉合后的钛钉30能够不被荷包钉砧阻挡而从荷包钉孔7中出来并脱离钳体，从而实现钛钉30钉合后钛钉30与钳体的分离。Please refer to Fig. 3-8, there is a purse nail
荷包缝合线5同时连接上钳体2和下钳体3，并横越每一荷包钉孔7，且位于荷包钉孔7内的钛钉30两钉脚之间，以使荷包缝合线5在钛钉30缝合时能够位于钛钉30和食管/小肠之间；优选地，荷包缝合线5与上钳体2、下钳体3均为可拆卸式连接，以便于切割缝合结束后，荷包缝合线5随钛钉30一同脱离钳体。The purse-
综上可知，本发明在传统直线切割闭合器的基础上对钳体进行了部分改进，其中，在推刀槽41一侧保留了原有的闭合式缝合结构，即在下钳体3上开设闭合钉孔6和设置相应的钛钉30、推钉器8等，及在上钳体2上设置与下钳体3的闭合钉孔6相配合使用的闭合钉砧，而推刀槽41另一侧则改进成上钳体2和下钳体3上均开设有荷包钉孔7，以通过双向开孔的形式实现食管/小肠的荷包式缝合；另外，还通过设置荷包缝合线5使得荷包缝合端呈现荷包状，便于后期的吻合处理。In summary, the present invention partially improves the pliers body on the basis of the traditional linear cutting closer, wherein the original closed suture structure is retained on the side of the
进一步地，请参阅图5和图6，上钳体2和下钳体3内均滑动安装有一钛钉板9，该钛钉板9一侧面上间隔开设有若干钉槽91，荷包钉孔7内的钛钉30放置在钉槽91内，以通过钛钉板9的设置使得钛钉30稳固的安装在钳体内，便于后期通过推钉器8促使钛钉30钉合。在本发明中，驱动荷包钉孔7内的钛钉30钉合的推钉器8为压板件，压板件朝向钛钉板9的侧面为倾斜面，该倾斜面朝向荷包钉孔7所在侧倾斜；当切割刀4带动压板件运动时，钛钉板9在压板件倾斜面的作用下带动钛钉30向荷包钉孔7所在侧运动并钉合，即通过压板件倾斜面的作用使得压板件在随切割刀4向前运动的过程，钛钉板9能够朝向钉孔所在一侧运动，从而实现钛钉30的钉合。优选地，本发明的钛钉板9均通过弹簧92滑动安装在相应的钳体内，以通过弹簧92的设置使得压板件脱离钛钉板9后，钛钉板9能够自动恢复到钛钉30钉合前钛钉板9所在的位置，同时，也利于钛钉板9与钛钉30相互脱离，使得后期钛钉30更易与钳体分离。Further, referring to Fig. 5 and Fig. 6, a
请参阅图7，本发明的上钳体2和下钳体3均包括一外壳21、31，荷包钉砧连接框架10、推钉器8、钛钉板9等部件均容置在外壳21、31内，其中，荷包钉砧连接框架10位于钛钉板9和荷包钉孔7所在侧面之间，并贴近荷包钉孔7所在的侧面，而与钛钉板9连接的弹簧92也设置在钛钉板9和荷包钉孔7所在侧面之间，并同时连接钛钉板9和荷包钉孔7所在侧面。Please refer to Fig. 7, the
在本实施例中，上钳体2和下钳体3上的荷包钉孔7组均由一排沿钳体长度方向间隔设置的荷包钉孔7组成，且荷包钉孔7与推刀槽41所成的夹角优选为90°，即，荷包钉孔7和推刀槽41、闭合钉孔6均垂直设置。另外，当荷包钉孔7与荷包钉砧错开设置时，荷包钉砧连接框架10不遮挡荷包钉孔7，且与钛钉30不接触。进一步地，请参阅图2或者图3，荷包钉砧连接框架10包括平行设置且相互连接的两连接杆，两连接杆分设在荷包钉孔7两端，且两者之间的距离不小于荷包钉孔7的长度，荷包分砧101设置在两连接杆之间。另外，荷包钉砧连接框架10远离壳体1的一端设置有一凸起结构102，凸起位于推刀槽41所在侧，并朝向推刀槽41设置；上钳体2和下钳体3内均滑动设置有一触发件20，该触发件20连接切割刀4，并在切割刀4的驱动下随切割刀4滑动；当切割刀4运动至凸起结构102所在端时，触发件20触碰凸起结构102，并通过推动凸起结构102运动来促使荷包钉砧连接框架10滑动以使荷包钉砧与荷包钉孔7相互错开。即，本发明通过设置凸起结构102作为驱动荷包钉砧连接框架10滑动的触点结构，而触发件20则为触发结构，其通过切割刀4的推动触碰并带动凸起结构102随之运动，从而使得荷包钉砧连接框架10滑动、荷包钉砧相遇荷包钉孔7错开，该点发生在切割刀4进刀结束、钛钉30已经钉合、食管/小肠已经切割完毕后，因此，凸起结构102优选设置在荷包钉砧连接框架10的末端，此外，触发件20优选设置在外壳21、31内，其通过可穿透外壳21、31的一触发连接件201连接切割刀4，同理，推钉器8也优选通过可穿透外壳21、31的一推钉连接件81连接切割刀4。In this embodiment, the 7 groups of purse nail holes on the
进一步地，为了确保钛钉30按照既定轨迹运动，本发明在每组荷包钉砧接触钛钉30的一侧面上开设有限制槽，该限制槽沿钛钉30钉合时钛钉30钉脚的滑动方向设置，以通过限制槽的设置限定钛钉30的活动范围及活动方向。Further, in order to ensure that the titanium nails 30 move according to the predetermined trajectory, the present invention provides a limiting groove on the side of each group of purse-string anvils that contacts the titanium nails 30, and the limiting grooves are along the foot of the titanium nails 30 when the titanium nails 30 are nailed. The sliding direction is set to limit the movable range and movable direction of the
本发明在使用时，先用钳体将待切割的食管/小肠放置夹持住，后通过击发装置推动切割刀4运动-进刀，此时，切割刀4切割食管/小肠，同时带动推钉器8和触发件20运动；荷包钉孔7组对应的推钉器8在运动过程接触钛钉板9，并促使钛钉板9朝向钉孔所在侧运动，此时弹簧92处于压缩变形，而钛钉板9则使钛钉30的钉脚钉入从荷包钉孔7中挤入的食管/小肠的管壁/肠壁，荷包缝合线5则被夹在钛钉30和食管/小肠的管壁/肠壁之间，从而形成荷包式的缝合端口；闭合钉孔6组对应的推钉器8则促使闭合钉孔6内的钛钉30的钉脚穿透食管/小肠的管壁/肠壁，并使食管/小肠的管壁/肠壁完全钉合，形成闭合式的缝合端口。当切割刀4进刀至末端时，触发件20接触凸起结构102，并通过凸起结构102带动荷包钉砧连接框架10向前运动，此时，荷包钉砧连接框架10上的荷包钉砧与其相应的钛钉30错开，钛钉30完全裸露在荷包钉孔7内。当切割刀4退刀时，触发件20脱离凸起结构102，荷包钉砧连接框架10不随触发件20运动，荷包钉砧与其相应的钛钉30仍错开设置；当切割刀4退刀完毕后，推钉器8脱离钛钉板9，钛钉板9在弹簧92的作用下复位，钛钉30则与钛钉板9分离，当打开钳体后，钛钉30则脱离钳体并钉合在食管/小肠的管壁/肠壁上。When the present invention is in use, the esophagus/small intestine to be cut is first placed and clamped by the forceps body, and then the cutting
综上可知，本发明所设计的荷包缝合切割闭合器通过对钳体的改进使得切割缝合后的食管/小肠呈现一端闭合式的缝合，一端荷包式的缝合，即敞开式的缝合，该荷包式的缝合可便于后期吻合处理所使用的吻合器的抵钉座放置该端处，因此，采用本发明所设计的荷包缝合切割闭合器能够实现切割闭式缝合和荷包式开式缝合的一体化操作，这在一定程度上减少医生术中的工作量，节约医生的手术时间，其实用性和便捷性较好。In summary, the purse-string suture cutting and closing device designed by the present invention makes the esophagus/small intestine after cutting and suturing present a closed suture at one end and a purse-string suture at one end, i.e. an open suture, by improving the forceps body. The suture can facilitate the post-anastomosis process using the anastomotic staple seat placed at this end, therefore, the use of purse-string suture cutting closure designed in the present invention can realize the integrated operation of cutting closed suture and purse-string open suture , which reduces the workload of doctors during the operation to a certain extent and saves the operation time of doctors. It is more practical and convenient.
上述说明是针对本发明较佳可行实施例的详细说明，但实施例并非用以限定本发明的专利申请范围，凡本发明所提示的技术精神下所完成的同等变化或修饰变更，均应属于本发明所涵盖专利范围。The above description is a detailed description of the preferred feasible embodiments of the present invention, but the embodiments are not used to limit the scope of the patent application of the present invention. All equivalent changes or modifications completed under the technical spirit suggested by the present invention shall belong to The scope of patents covered by the present invention.
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