CN203029299U - Tissue clamp piece of linear cutting anastomat and nail bin seat thereof - Google Patents
Tissue clamp piece of linear cutting anastomat and nail bin seat thereof Download PDFInfo
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- CN203029299U CN203029299U CN 201220689865 CN201220689865U CN203029299U CN 203029299 U CN203029299 U CN 203029299U CN 201220689865 CN201220689865 CN 201220689865 CN 201220689865 U CN201220689865 U CN 201220689865U CN 203029299 U CN203029299 U CN 203029299U
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Abstract
The utility model discloses a tissue clamp piece of a linear cutting anastomat and a nail bin seat thereof. The left side and the right side of a nail outlet surface of the nail bin seat are respectively provided with a line of stopping strips and stopping protrusions, wherein the stopping strips and the stopping protrusions are parallel to a push broach groove. A row of semispherical concave holes are formed in the front end portion of a nail abutting surface of a nail abutting seat of the tissue clamp piece along the left and right directions. In the process of use, action force with the direction reverse to heading direction of a cutter is exerted to the clamped human body tissue by the stopping protrusions, the two lines of stopping strips simultaneously exert action force with the direction reverse to the heading direction of the cutter and towards the left side, the right side and the outer side to the clamped human body so that a clamped tissue is firm and not prone to be separated. The left line of stopping strips further exert leftward action force to the human body tissue, the right line of stopping strips further exert rightward action force to the human body tissue, therefore the clamped tissue is tightened, and cutting is smooth when the cutter heads towards front.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, is specifically related to tissue holder gripping member and the part thereof of the linear Endo-GIA that a kind of surgical operation uses.
Background technology
Anastomat be use according to the stapler principle design in surgical operation alternative traditional-handwork cutting and the particular surgical instrument of sewing up.According to purposes with use the different of position, anastomat is divided into polytype.The kind of digestive tract stapler has three kinds usually.First kind is the circular anastomosis device, and second kind is the linear Endo-GIA, and the third is the linear stiching instrument.
The circular anastomosis device is also referred to as circular stapler or end-end anastomat, its basic structure is divided into nail supporting base and two parts of device body, its identical purpose is the end to end anastomosis that carries out luminal organs, the port that also is about to two tubular tissues is fixed together, and also can carry out the distolateral and side to side anastomosis of luminal organs.Described end to end anastomosis, earlier open the side otch one at the sidepiece of a tubular tissue, the device body that will comprise nail bin again stretches into the inner chamber of this tubular tissue and from the port that need connect from this side otch and stretches out, and is banded on the nodal axisn of device body with the mode of the pricking pocket port with this tubular tissue.And nail supporting base also is banded on the port of another tubular tissue that needs connection in the mode of pricking pocket.Again the termination of nodal axisn is inserted in the nail supporting base, adjust anastomat again and enter the percussion state, then be driven into the suturing nail of the two rows of mutually staggered of rounded arrangement after the percussion organizationally, and simultaneously with the tissue of cylindric scalpel with its inboard, also namely the termination tissue of two ports cuts off, and cut tissue is ring-type.After percussion cutting is finished, the device body of anastomat is withdrawed from from the side otch together with nail supporting base, cut tissue is because be clamped between device body and the nail supporting base so together withdraw from.Sew up the side otch at last more by hand, perhaps adopt the linear stiching instrument to sew up the side otch.
The linear stiching instrument is also referred to as the stump closer, is a kind of apparatus that the suturing nail of two rows of mutually staggered can be in line organizationally and hammer into, and also is one of the apparatus of instead of manual straight line stitching that is widely used.Seam closed stump or otch and uses etc. when the linear stiching instrument was applicable to stomach, duodenum, small intestinal, colonic operation.
The linear Endo-GIA abbreviates Endo-GIA as, is also referred to as the incision stiching instrument.It comprises nail bin portion and supports nail portion, it is a kind of suturing nail that can respectively squeeze into 1 group on the both sides of tissue, add up to 4 rows or 6 rows' interlaced arrangements, and the tissue that will stitch between the nail line with cutter simultaneously carries out from disconnected apparatus, namely is a kind ofly can carry out the apparatus that straight line coincide and cuts simultaneously.The linear Endo-GIA is applicable in reconstruction of digestive tract and the internal organs resection operation, stomach jejunum side to side anastomosis for example, and the side to side anastomosis of colon and rectum, and the making of J-shaped manure storage bag etc.In addition, this class anastomat also comprises the scope Endo-GIA.This apparatus is indispensable when scope especially laparoscopic surgery, be equally applicable to gastrointestinal excision and coincide etc., and its suturing part has spinfunction, thereby this kind anastomat can be called rotary linear Endo-GIA.
See Fig. 1 and Fig. 2, american documentation literature US 5865361 disclosed " surgical operation coinciding machine " is a kind of revolving linear Endo-GIA.This rotary linear Endo-GIA is made up of the control assembly that has handle and the stitching cutting part that has nail bin.
Described control assembly comprises control stick 52, rear sleeve 124, rotary sleeve 28, turns to toggle 30, first drive plate (label is 123 in the document), safety button 82, the toggle 32 that resets, fixed handle 22 and flexible handle 24.
Described stitching cutting part comprises connecting rod assembly, cutter assembly, pivot connecting plate (label is 256 in the document), nail bin groupware 18 and nail supporting base assembly 20.
The connecting rod assembly comprises anterior cannula 251, first connecting rod (label is 250 in the document) and second connecting rod (label is 252 in the document).First connecting rod and second connecting rod are equipped with sagittal push broach groove, and both fit together relatively and form connecting rod, and described push broach groove also is merged into the push broach groove of connecting rod.Anterior cannula 251 is enclosed within on the connecting rod along direction from front to back, and it is spacing to be connected bar in the rear end.
The cutter assembly comprises driving beam (label is 266 in the document) and cutter (label is 280 in the document).Cutter are fixed on the front end position that drives beam, and the cutting edge of cutter is towards the place ahead.Drive beam and be arranged in the push broach groove of connecting rod, and the front end of driving beam stretches out connecting rod.Pivot connecting plate is arranged between first connecting rod and second connecting rod, and is positioned at the right side.
Nail bin groupware 18 comprises shell 216, nail bin seat (label is 220 in the document), upper connecting base (label is 236 in the document), lower connecting base (label is 238 in the document) and a pair of brace (label is 246 in the document).The nail bin seat is fixed on the shell 216, and is positioned at front portion and the middle part of shell.Have in the nail bin seat two groups totally six rows along front and back to the suturing nail of arranging, adjacent row's suturing nail is staggered.Shell 216 and nail bin seat are equipped with and connect central longitudinal slot up and down.
Upper connecting base and lower connecting base are equipped with sagittal push broach groove, and the leading portion of described push broach groove runs through pedestal at upward and downward, and upper connecting base is positioned at the top of lower connecting base.Upper connecting base and lower connecting base all are fixed on the position, rear end of shell; The top that drives the front end position of beam is arranged in the leading portion of the push broach groove of upper connecting base, and stretches out upper connecting base by the front end on its top, about being fixed with on this top front end to bearing pin (label is 286 in the document).The bottom that drives the front end position of beam is passed the leading portion of push broach groove of lower connecting base and the push broach groove of shell 216 downwards successively, and stretches in the support plate friction tight with it (label is 287 in the document).Cutter are then between the upper and lower at the front end position that drives beam.The front end of pivot connecting plate is enclosed within on the joint pin that is positioned at the right side of lower connecting base from the top down.
A pair of brace divides upper and lower settings, last brace be embedded in that the opening of first connecting rod makes progress by position, its rear end and in front and back in spacing groove, and it is spacing laterally in week by anterior cannula 251, thereby fixedly connected with coupling assembling, the front end position of last brace is rotationally connected by last drive-connecting shaft (label is 244 in the document) and upper connecting base; That following brace is embedded in second connecting rod Open Side Down by position, its rear end and in front and back in spacing groove, and it is spacing laterally in week by anterior cannula 251, thereby fixedly connected with coupling assembling, the front end position of following brace is rotationally connected with lower connecting base after drive-connecting shaft (label is 244 in the document) passes shell 216 bottoms down.
Nail supporting base assembly 20 comprises nail supporting base (label is 204 in the document) and the cover plate 208 that is fixed together.It is tabular that nail supporting base is, the main body of nail supporting base is horizontally disposed with, the back segment of nail supporting base is substantially according to the preceding low orientation setting in high back, and be equipped with on the main body of nail supporting base and the back segment and connect push broach groove up and down, and each side being provided with and articulating position (label is 211 in the document) of the back segment of nail supporting base.Articulate the position and be arranged in the pivot connected slot (label is 213 in the document) that the opening of shell makes progress, and make nail supporting base assembly 20 be rotationally connected with respect to the shell 216 of nail bin groupware 18.Cover plate 208 on nail supporting base, and forms the upper space with open rearward end from upper fixed between cover plate 208 and the nail supporting base.The top front end that drives the front end position of beam passes the push broach groove of nail supporting base from bottom to top and is positioned at the rear side of the open rearward end of described upper space, and described bearing pin contacts towards top-right side with the back segment of nail supporting base from the back upper place.
Rotary linear Endo-GIA in use, the follower head that to sew up the connecting rod of cutting part earlier stretches into and is fixed in the rear sleeve 124 of control assembly, and the front end of control stick 52 stretches into the wedging position place of the rear end that drives beam, and the rear end of pivot connecting plate is protruded the position and stretched in the corresponding groove of first drive plate.At this moment, if rotary sleeve 28 is rotated with respect to fixed handle 22, then rear sleeve 124 and stitching cutting part together rotate thereupon.
If will turn to toggle 30 to rotate to the left and right then successively by bridgeware (label is 138 in the document) and first drive plate (label is 123 in the document) transferring power, promote or pull back pivot connecting plate (label is 256 in the document) forward, the former makes nail bin groupware 18 and nail supporting base assembly 20(these both constitute the tissue holder gripping member) turn left, the latter makes the tissue holder gripping member turn right.
When sewing up cutting part importing human body, its tissue holder gripping member (being commonly called as the nail bin jaw) is in closed condition.When near operative site, the toggle 32 that will reset pushes the rear end original position backward, then makes the nail bin jaw be in open state.Make the tissue holder gripping member be clamped in again and treat on the tissue of identical cutting, the flexible handle 24 of holding with a firm grip, then make control stick 52 travel forward, and promotion driving beam travels forward with respect to connecting rod, being fixed on the bearing pin that drives on the beam then moves on the upper side of main body of nail supporting base from the back segment of nail supporting base, and make nail supporting base turn to closure state from the open configuration with respect to shell and nail bin seat, even also tissue is clamped between nail supporting base and the nail bin seat, cutter are then aimed at the tissue of clamping.At this moment, press safety button 82 armings, the flexible handle 24 of holding with a firm grip is pulled the trigger, continuous increase along with the percussion number of times, drive beam constantly at the push broach groove of connecting rod, the push broach groove of last lower connecting base, travel forward in the push broach groove of the central longitudinal slot of shell 216 and nail bin seat and nail supporting base, the proal while, by cutter folded tissue is cut, bottom front end by the front end position that drives beam promotes wedge (label is 234 in the document) simultaneously, wedge then promotes each pushing slice of nail (label is 228 in the document) in the process of moving ahead, each pushing slice of nail make 3 suturing nails pass tissue and under the stopping of nail supporting base distortion be B shape, and with the tissue apposition of the push broach groove left and right sides, cutter will be severed between the suture tissue of both sides along the push broach groove simultaneously, finish cutting when sewing up.
In actual the use, because cutter apply thrust away from handle orientations to tissue during cutting, being clamped in tissue between nail bin seat and the nail supporting base can slippage and move to the direction away from handle, makes the position of operation produce deviation, and influence is sewed up and cutting operation.
Chinese patent literature CN 101797173(application number 201010122833.7) a kind of nail box of surgical linear cutting stapler with antiskid function is disclosed, the upper wall surface of its nail casket is provided with some horizontal grooves that are parallel to each other or the concave surface of point-like recess or other shape, thereby form concavo-convex non slip surface longitudinally, when the cutter lengthwise movement, can prevent from organizing longitudinally and slide.Though the tissue contacting surface of this structure can play certain skidproof effect, can make the organized polymerization of clamping in the time of the having of concavo-convex non slip surface together, be not easy to the linear advancement of cutter.
Chinese patent literature CN 1915180B(application number 200610138870.0) a kind of surgical stapling that comprises the nail bin with multiple seam nail dimension is disclosed, the line style gastrointestinal anastomosis device that surgical stapling is sewed up is carried out in shown in Figure 7 being used in the document, nail bin comprises stepped tissue contacting surface, comprise outer tissue contacting surface 121a, intermediate structure contact surface 121b and the contact surface 121c of inner tissue, when measuring them from the lower surface of nail bin, each tissue contacting surface has different height, basically planar structure parallel to each other during tissue contacting surface, but be not coplanar each other; Thereby realize the balance between identical intensity and degree of hemostasis.But be provided with the structure more complicated of nail bin and the nail supporting base of this tissue contacting surface, the processing cost of following closely casket and nail supporting base accordingly is also higher.
The utility model content
Technical problem to be solved in the utility model provides tissue holder gripping member and the nail bin seat thereof that a kind of tissue holder keeps steady admittedly and is beneficial to the linear Endo-GIA of push broach propelling.
The technical scheme that realizes this utility model first purpose is a kind of nail bin seat of tissue holder gripping member of linear Endo-GIA, comprise nail surface, push broach groove and go out to follow closely the hole, the push broach groove longitudinally is arranged on the middle part of nail bin seat, each side the establishing 1 group and go out to follow closely the hole of push broach groove, 2 groups go out to follow closely the hole and are divided into first group according to the difference of position, the residing left and right sides and go out to follow closely hole and second group and go out to follow closely the hole; The surface that goes out to follow closely of nail bin seat is provided with barrier rib.
Barrier rib comprises first group of barrier rib in the left side that is positioned at the push broach groove and is positioned at second group of barrier rib on the right side of push broach groove; The left barrier rib of each of first group of barrier rib becomes the string barrier rib to uniformly-spaced arranging successively along front and back, the right barrier rib of each of second group of barrier rib also becomes another row barrier rib along front and back to uniformly-spaced arranging successively, and a corresponding right barrier rib of each left barrier rib of first group of barrier rib and second group of barrier rib is that the plane of symmetry is symmetrical arranged with the vertical guide through the sagittal centrage of push broach groove.
The left barrier rib integral body of each of first group of barrier rib is V-shaped, links to each other with the first stretching raised line and constitutes by first barrier rib; First barrier rib along about to setting, be arranged on one of first group of leftmost side that goes out to follow closely the hole and list corresponding two of nail hole and adjacently go out to follow closely between the hole; The bearing of trend of first barrier rib and push broach groove are perpendicular; The first stretching raised line of each left barrier rib is positioned at the left side that the nail hole is listed in one of the leftmost side from extending to the left front with the junction of first barrier rib; The acute angle theta of the angle of first barrier rib and the first stretching raised line is 5 °～75 °.
A corresponding left barrier rib 12a shape symmetry of the shape of each right barrier rib of second group of barrier rib and first group of barrier rib, each right barrier rib integral body is V-shaped, links to each other with the second stretching raised line and constitutes by second barrier rib; Second barrier rib along about to setting, be arranged on one of second group of rightmost side that goes out to follow closely the hole and list corresponding two of nail hole and adjacently go out to follow closely between the hole; The bearing of trend of second barrier rib and push broach groove are perpendicular; The second stretching raised line of each right barrier rib is from extending to the right front with the junction of second barrier rib, and the second stretching raised line of each right barrier rib is positioned at the right side that the nail hole is listed in one of the rightmost side; The acute angle theta of first barrier rib of the acute angle of the angle of second barrier rib and the second stretching raised line and left barrier rib and the angle of the first stretching raised line equates.
Preferably, the nail bin seat goes out to follow closely also to be provided with on the surface and stops projection; Stop that projection is positioned at the place ahead of push broach groove; Described stopping is raised with 4～8, and it is shaped as hemispherical, each stop the projection along about to setting gradually.
Above-mentioned barrier rib is 0.2mm～2mm with respect to the height that goes out the nail surface, preferred 0.2mm～1mm, further preferred 0.2mm～0.5mm.
The above-mentioned projection that stops is 0.2mm～2mm with respect to the height that goes out to follow closely the surface, preferred 0.2mm～1mm, further preferred 0.2mm～0.5mm.
The smooth outer surface of above-mentioned barrier rib does not have corner angle, and the upper surface of outer surface is circular arc.
First group of front portion that goes out to follow closely the hole that goes out to follow closely the leftmost side string in hole also arranges a left barrier rib, and the rear portion that goes out to follow closely the hole of leftmost side string also arranges a left barrier rib.
Second group of front portion that goes out to follow closely the hole that goes out to follow closely the rightmost side string in hole also arranges a right barrier rib, and the rear portion that goes out to follow closely the hole of rightmost side string also arranges a right barrier rib.
The technical scheme that realizes this utility model second purpose is a kind of tissue holder gripping member of linear Endo-GIA, formed by nail bin groupware and nail supporting base assembly, nail bin groupware comprises the nail bin seat, the nail bin seat comprises nail surface, push broach groove and goes out to follow closely the hole, the push broach groove longitudinally is arranged on the middle part of nail bin seat, each side the establishing 1 group and go out to follow closely the hole of push broach groove, 2 groups go out to follow closely the hole and are divided into first group according to the difference of position, the residing left and right sides and go out to follow closely hole and second group and go out to follow closely the hole; The nail supporting base assembly comprises nail supporting base, and nail supporting base comprises to the nail surface, goes up the push broach groove and support the nail groove; Last push broach groove is corresponding with the push broach groove of nail bin seat, longitudinally is arranged on the middle part of nail supporting base.
The surface that goes out to follow closely of nail bin seat is provided with barrier rib.
Described barrier rib comprises first group of barrier rib in the left side that is positioned at the push broach groove and is positioned at second group of barrier rib on the right side of push broach groove; The left barrier rib of each of first group of barrier rib becomes the string barrier rib to uniformly-spaced arranging successively along front and back, the right barrier rib of each of second group of barrier rib also becomes another row barrier rib along front and back to uniformly-spaced arranging successively, and a corresponding right barrier rib of each left barrier rib of first group of barrier rib and second group of barrier rib is that the plane of symmetry is symmetrical arranged with the vertical guide through the sagittal centrage of push broach groove.
The left barrier rib integral body of each of first group of barrier rib is V-shaped, links to each other with the first stretching raised line and constitutes by first barrier rib; First barrier rib along about to setting, be arranged on one of first group of leftmost side that goes out to follow closely the hole and list corresponding two of nail hole and adjacently go out to follow closely between the hole; The bearing of trend of first barrier rib and push broach groove are perpendicular; The first stretching raised line of each left barrier rib is positioned at the left side that the nail hole is listed in one of the leftmost side from extending to the left front with the junction of first barrier rib; The acute angle theta of the angle of first barrier rib and the first stretching raised line is 5 °～75 °.
A corresponding left barrier rib shape symmetry of the shape of each right barrier rib of second group of barrier rib and first group of barrier rib, each right barrier rib integral body is V-shaped, links to each other with the second stretching raised line and constitutes by second barrier rib; Second barrier rib along about to setting, be arranged on one of second group of rightmost side that goes out to follow closely the hole and list corresponding two of nail hole and adjacently go out to follow closely between the hole; The bearing of trend of second barrier rib and push broach groove are perpendicular; The second stretching raised line of each right barrier rib is from extending to the right front with the junction of second barrier rib, and the second stretching raised line of each right barrier rib is positioned at the right side that the nail hole is listed in one of the rightmost side; The acute angle theta of first barrier rib of the acute angle of the angle of second barrier rib and the second stretching raised line and left barrier rib and the angle of the first stretching raised line equates.
Preferably, the nail bin seat goes out to follow closely also to be provided with on the surface and stops projection; Stop that projection is positioned at the place ahead of push broach groove; Described stopping is raised with 4～8, and it is shaped as hemispherical, each stop the projection along about to setting gradually.
Also being provided with on the nail surface of nail supporting base stops pit 6, stops that pit 6 is arranged on the front end position on nail surface; The quantity that stops pit 6 is identical with the quantity that stops projection of nail bin seat, and each stops about pit 6 edges to setting gradually; Stop that pit 6 is shaped as hemispherical, corresponding with the shape that stops projection of nail bin seat.
The barrier rib of above-mentioned nail bin seat is 0.2mm～2mm with respect to the height that goes out the nail surface, preferred 0.2mm～1mm, further preferred 0.2mm～0.5mm; Stopping projection with respect to the height that goes out the nail surface is 0.2mm～2mm, preferred 0.2mm～1mm, further preferred 0.2mm～0.5mm.
As preferably, the acute angle theta of the angle of first barrier rib and the first stretching raised line is 20 °～60 °.
The smooth outer surface of the barrier rib of above-mentioned nail bin seat does not have corner angle, and the upper surface of outer surface is circular arc.
First group of front portion that goes out to follow closely the hole that goes out to follow closely the leftmost side string in hole of nail bin seat also arranges a left barrier rib, and the rear portion that goes out to follow closely the hole of leftmost side string also arranges a left barrier rib.
Second group of front portion that goes out to follow closely the hole that goes out to follow closely the rightmost side string in hole of nail bin seat also arranges a right barrier rib, and the rear portion that goes out to follow closely the hole of rightmost side string also arranges a right barrier rib.
The utlity model has positive effect:
(1) left and right sides that goes out the nail surface of the nail bin seat of tissue holder gripping member of the present utility model is respectively equipped with the string barrier rib parallel with the push broach groove, and two row barrier ribs are that axis of symmetry is symmetrical arranged with the push broach groove, two row barrier ribs apply opposite with the cutter direct of travel and laterally active force to the left and right for simultaneously the tissue of clamping during use, thereby the tissue of clamping is firm, is difficult for slippage; Wherein, the left column barrier rib also applies left active force to tissue, and right row barrier rib also applies to the right active force to tissue, therefore makes the tissue of clamping tighten, and cutting was more smooth when cutter were pushed ahead.In addition, the surface that stops the position of every row barrier rib is smooth, therefore can not damage tissue.
(2) hemispherical projections is also arranged to being provided with one about the edge in the front end position that goes out the nail surface of the nail bin seat of tissue holder gripping member, accordingly, the front end position of supporting the nail surface of nail supporting base along about to being provided with row's hemispherical shrinkage pool, when cutter are pushed ahead after the clamping tissue, because this row's hemispherical projections and the common clamping tissue of row's hemispherical shrinkage pool, and the corresponding counteracting force that produces backward, further clamping tissue firmly; Because the surface of hemispherical projections is smooth, therefore can not damage tissue in addition.
Description of drawings
Fig. 1 is the sketch map of the control assembly that has handle of US Patent No. 5865361 disclosed revolving linear Endo-GIAs;
Fig. 2 is the stitching cutting part that has nail bin of US Patent No. 5865361 disclosed revolving linear Endo-GIAs;
Fig. 3 is the schematic perspective view of tissue holder gripping member of the present utility model;
Fig. 4 is the schematic perspective view of the nail bin seat among Fig. 3;
Fig. 5 is the local enlarged diagram of the nail bin seat of Fig. 4;
Fig. 6 is the schematic perspective view of the nail supporting base among Fig. 3.
Labelling in the above-mentioned accompanying drawing is as follows:
Nail bin seat 1 goes out nail surface 11, barrier rib 12, left side barrier rib 12a, the first barrier rib 12a-1, the first stretching raised line 12a-2, right barrier rib 12b, the second barrier rib 12b-1, the second stretching raised line 12b-2 stops projection 13, push broach groove 14, go out to follow closely the hole and go out to follow closely hole 15a for 15, the first groups, second group goes out to follow closely hole 15b;
Nail supporting base 2 supports nail surface 21, and last push broach groove 23 supports nail groove 25, stops shrinkage pool 26.
Nail bin groupware 18, nail supporting base assembly 20, fixed handle 22, flexible handle 24, rotary sleeve 28 turns to toggle 30, the toggle 32 that resets, control stick 52, safety button 82, rear sleeve 124, cover plate 208, shell 216, anterior cannula 251.
The specific embodiment
In accompanying drawing and following description, term " rear portion " expression is near the end of operator's linear Endo-GIA, and as " rear portion " of cutter direction of propulsion; Term " front portion " expression is from operator end farthest, and as " front portion " of cutter direction of propulsion; The direction of propulsion of cutter is the direction that advances to the front portion from the rear portion; Term " left side " and " right side " lay respectively at push broach groove left end and right-hand member longitudinally.
(embodiment 1)
See Fig. 3, the tissue holder gripping member of the linear Endo-GIA of present embodiment is made up of nail bin groupware and nail supporting base assembly.Nail bin groupware comprises nail bin seat 1, and the nail supporting base assembly comprises nail supporting base 2.Nail bin seat 1 is the integrated through injection molding part, and nail supporting base 2 is the steel integral piece.
Above-mentioned tissue holder gripping member mainly is made up of nail bin groupware and nail supporting base assembly.In the nail bin groupware, except nail bin seat 1, adopt the nail bin groupware 18 among the american documentation literature US 5865361.In the nail supporting base assembly, locate outside the nail supporting base 2, then adopt the nail supporting base assembly 20 among the american documentation literature US 5865361.
Nail bin seat 1 comprises nail surface 11, push broach groove 14 and goes out to follow closely hole 15.Go out nail surface 11 along the horizontal plane setting.To the middle part that also namely longitudinally is arranged on nail bin seat 1, and push broach groove 14 runs through the pedestal of nail bin seat 1 to push broach groove 14 at upward and downward along front and back; Going out to follow closely hole 15 and be distributed in the left and right sides of push broach groove 14, also is each side establishing 1 group and going out to follow closely hole 15 of push broach groove 14, and 2 groups go out to follow closely the hole and are divided into first group according to the difference of position, the residing left and right sides and go out to follow closely hole 15a and second group and go out to follow closely hole 15b.Every group goes out to follow closely the hole and is divided into 3 row according to the difference of position, the residing left and right sides, each that whenever list the nail hole go out to follow closely hole 15 according to front and back to being arranged in order, and each goes out to follow closely the through hole that hole 15 is upward and downward, and along front and back to being the strip setting.It is parallel respectively to list nail Kong Junyu push broach groove 14, and the hole that goes out to follow closely of adjacent columns upwards is crisscross arranged in front and back.
See Fig. 4 and Fig. 5, the innovative point of present embodiment is: nail bin seat 1 also goes out nail surface 11 at it and is provided with barrier rib 12 and stops projection 13.Stop that projection 13 is arranged on the front portion of barrier rib 12.Barrier rib 12 is to be 0.3mm in 0.2mm～2mm(present embodiment with respect to the height that goes out nail surface 11).Stopping projection 13 with respect to the height that goes out nail surface 11 is to be 0.3mm in 0.2mm～2mm(present embodiment).
Barrier rib 12 is divided into 2 groups, they be positioned at push broach groove 14 the left side first group of barrier rib and be positioned at second group of barrier rib on the right side of push broach groove 14.The left barrier rib 12a of each of first group of barrier rib becomes the string barrier rib to uniformly-spaced arranging successively along front and back, the right barrier rib 12b of each of second group of barrier rib also becomes another row barrier rib along front and back to uniformly-spaced arranging successively, and a corresponding right barrier rib 12b of each left barrier rib 12a of first group of barrier rib and second group of barrier rib is that the plane of symmetry is symmetrical arranged with the vertical guide through the sagittal centrage of push broach groove 14.
The smooth outer surface of the left barrier rib 12a of first group of barrier rib does not have corner angle, and the upper surface of outer surface is circular arc.Each left barrier rib 12a is arranged on one of first group of leftmost side that goes out to follow closely hole 15a and lists corresponding 2 of nail hole and adjacently go out to follow closely between the hole 15, and the front portion that goes out to follow closely hole 15 of leftmost side string also arranges a left barrier rib 12a, and the rear portion that goes out to follow closely hole 15 of leftmost side string also arranges a left barrier rib 12a.
Each left barrier rib 12a integral body is V-shaped, links to each other with the first stretching raised line 12a-2 and constitutes by the first barrier rib 12a-1.It is square that the top of the first barrier rib 12a-1 and the first stretching raised line 12a-2 all is half round post substantially, the bottom all is strip substantially.To setting, the bearing of trend of the first barrier rib 12a-1 and push broach groove 14 are perpendicular about first barrier rib 12a-1 edge.The first barrier rib 12a-1 of the left barrier rib 12a of the front side of first group of barrier rib is positioned at the place ahead that goes out to follow closely the hole of the string of first group of leftmost side that goes out to follow closely hole 15a, and the first barrier rib 12a-1 separately of the left barrier rib 12a of all the other of first group of barrier rib then goes out to follow closely between the hole 15 these adjacent two of listing in the nail hole.The first stretching raised line 12a-2 of each left barrier rib 12a is from extending to the left front with the junction of the first barrier rib 12a-1, also namely the first stretching raised line 12a-2 is from extending to front left side with the junction of the first barrier rib 12a-1, and the first stretching raised line 12a-2 of each left barrier rib 12a is positioned at the left side that nail hole 15 is listed in one of the leftmost side.The acute angle theta of the angle of the first barrier rib 12a-1 and the first stretching raised line 12a-2 is 5 °～75 °, is preferably 20 °～60 °, is 30 ° in the present embodiment.
A corresponding left barrier rib 12a shape symmetry of the shape of the right barrier rib 12b of each of second group of barrier rib and first group of barrier rib.Each right barrier rib 12b is arranged on one of second group of rightmost side that goes out to follow closely hole 15b and lists corresponding 2 of nail hole and adjacently go out to follow closely between the hole 15, and the front portion that goes out to follow closely hole 15 of rightmost side string also arranges a right barrier rib 12b, and the rear portion that goes out to follow closely hole 15 of rightmost side string also arranges a right barrier rib 12b.
Each right barrier rib 12b integral body is V-shaped, links to each other with the second stretching raised line 12b-2 and constitutes by the second barrier rib 12b-1.It is square that the top of the second barrier rib 12b-1 and the second stretching raised line 12b-2 all is half round post substantially, the bottom all is strip substantially.To setting, the bearing of trend of the second barrier rib 12b-1 and push broach groove 14 are perpendicular about second barrier rib 12b-1 edge.The second barrier rib 12b-1 of the right barrier rib 12b of the front side of second group of barrier rib is positioned at the place ahead that goes out to follow closely the hole of the string of second group of rightmost side that goes out to follow closely hole 15b, and the second barrier rib 12b-1 separately of the right barrier rib 12b of all the other of second group of barrier rib then goes out to follow closely between the hole 15 these adjacent two of listing in the nail hole.The second stretching raised line 12b-2 of each right barrier rib 12b is from extending to the right front with the junction of the second barrier rib 12b-1, also namely the second stretching raised line 12b-2 is from extending to forward right side with the junction of the second barrier rib 12b-1, and the second stretching raised line 12b-2 of each right barrier rib 12b is positioned at the right side that nail hole 15 is listed in one of the rightmost side.The acute angle theta of the first barrier rib 12a-1 of the acute angle of the angle of the second barrier rib 12b-1 and the second stretching raised line 12b-2 and left barrier rib 12a and the angle of the first stretching raised line 12a-2 equates.
See Fig. 3 and Fig. 5, when tissue that need undergo surgery be clamped in nail bin seat 1 go out nail surface 10 and nail supporting base 2 support between the nail surface 21 after, cutter in push broach groove 14 from after when pushing ahead, each left barrier rib 12a is applied to the power F1 opposite with the cutter direct of travel to tissue by the second barrier rib 12b-1 separately by separately the first barrier rib 12a-1 and right barrier rib 12b simultaneously, also namely applies backward power F1 to tissue.Meanwhile, the first stretching raised line 12a-2 of each left barrier rib 12a applies power F2a towards the left back to the tissue of clamping, power F2a can resolve into backward power F21a and power F22a left; The second stretching raised line 12b-2 of each right barrier rib 12b then applies power F2b towards the right back to the tissue of clamping, power F2b can resolve into backward power F21b and power F22b to the right.The tissue of clamping left power F22a and the effect of power F22b to the right under be tauted, the tissue after tightening is conducive to the cutting forward of cutter and advances.
Therefore, go out barrier rib 12 on the nail surface 11 and not only can make that to organize the clamp assemblies clamping more firm, and not only do not influence advancing of cutter, make to cut and organize on the contrary to be more prone to.
The described projection 13 that stops that goes out on the nail surface 11 has 4～8 (in the present embodiment being 5), and it is shaped as hemispherical, each stop projection 13 along about to setting gradually, and stop that projection 13 is positioned at the place ahead of push broach groove 14.
See Fig. 6, nail supporting base 2 comprises to nail surface 21, go up push broach groove 23 and support nail groove 25 and stop pit 26.Last push broach groove 23, and is gone up push broach groove 23 and is run through the pedestal of nail supporting base 2 at upward and downward to the middle part that also namely longitudinally is arranged on nail supporting base 2 along front and back, and it is corresponding with the push broach groove 14 of nail bin seat 1 to go up push broach groove 23.Support nail groove 25 and be arranged on to the pit of following closely on the surface 21, identical with the quantity that goes out to follow closely hole 15 of nail bin seat 1 to nail groove 25 quantity, and its position is corresponding with a corresponding position that goes out to follow closely hole 15.Stop that pit 26 is arranged on the front end position on nail surface 21.The quantity that stops pit 26 is identical with the quantity that stops projection 13 of nail bin seat 1, and each stops about pit 26 edges to setting gradually.Stop that pit 26 is shaped as hemispherical, and corresponding with the shape that stops projection 13 of nail bin seat 1.
During use, when tissue be clamped in nail bin seat 1 go out nail surface 10 and nail supporting base 2 support between the nail surface 21 time, the tissue that is in the place ahead is clamped in and stops projection 13 and stop between the shrinkage pool 26, when cutter by after when pushing ahead, stop projection 13 and stop that pit 26 common tissues to clamping apply power F3 backward, further guarantee firmly tissue to be carried out clamping in cutting and the sewing process.
Claims (10)
1. the nail bin seat of the tissue holder gripping member of a linear Endo-GIA, comprise nail surface (11), push broach groove (14) and go out to follow closely hole (15), push broach groove (14) longitudinally is arranged on the middle part of nail bin seat (1), each side the establishing 1 group and go out to follow closely the hole of push broach groove (14), 2 groups go out to follow closely the hole and are divided into first group according to the difference of position, the residing left and right sides and go out to follow closely hole (15a) and second group and go out to follow closely hole (15b); It is characterized in that: the nail surface (11) that goes out of nail bin seat (1) is provided with barrier rib (12);
Barrier rib (12) comprises first group of barrier rib in the left side that is positioned at push broach groove (14) and is positioned at second group of barrier rib on the right side of push broach groove (14); The left barrier rib of each of first group of barrier rib (12a) becomes the string barrier rib to uniformly-spaced arranging successively along front and back, the right barrier rib of each of second group of barrier rib (12b) also becomes another row barrier rib along front and back to uniformly-spaced arranging successively, and a corresponding right barrier rib (12b) of each left barrier rib (12a) of first group of barrier rib and second group of barrier rib is that the plane of symmetry is symmetrical arranged with the vertical guide through the sagittal centrage of push broach groove (14);
The left barrier rib of each of first group of barrier rib (12a) is whole V-shaped, links to each other with the first stretching raised line (12a-2) and constitutes by first barrier rib (12a-1); First barrier rib (12a-1) along about to setting, be arranged on one of first group of leftmost side that goes out to follow closely hole (15a) and list corresponding two of nail hole and adjacently go out to follow closely between the hole (15); The bearing of trend of first barrier rib (12a-1) and push broach groove (14) are perpendicular; The first stretching raised line (12a-2) of each left barrier rib (12a) is positioned at the left side that nail hole (15) is listed in one of the leftmost side from extending to the left front with the junction of first barrier rib (12a-1); First barrier rib (12a-1) is 5 °～75 ° with the acute angle theta of the angle of the first stretching raised line (12a-2);
A corresponding left barrier rib 12a shape symmetry of the shape of the right barrier rib of each of second group of barrier rib (12b) and first group of barrier rib, each right barrier rib (12b) is whole V-shaped, links to each other with the second stretching raised line (12b-2) and constitutes by second barrier rib (12b-1); Second barrier rib (12b-1) along about to setting, be arranged on one of second group of rightmost side that goes out to follow closely hole (15b) and list corresponding two of nail hole and adjacently go out to follow closely between the hole (15); The bearing of trend of second barrier rib (12b-1) and push broach groove (14) are perpendicular; The second stretching raised line (12b-2) of each right barrier rib (12b) is from extending to the right front with the junction of second barrier rib (12b-1), and the second stretching raised line (12b-2) of each right barrier rib (12b) is positioned at the right side that nail hole (15) is listed in one of the rightmost side; The acute angle theta of first barrier rib (12a-1) of the acute angle of the angle of second barrier rib (12b-1) and the second stretching raised line (12b-2) and left barrier rib (12a) and the angle of the first stretching raised line (12a-2) equates.
2. the nail bin seat of the tissue holder gripping member of linear Endo-GIA according to claim 1 is characterized in that: the going out also to be provided with on the nail surface (11) of nail bin seat (1) stops projection (13); Stop that projection (13) is positioned at the place ahead of push broach groove (14); The described projection (13) that stops has 4～8, and it is shaped as hemispherical, each stop projection (13) along about to setting gradually.
3. the nail bin seat of the tissue holder gripping member of linear Endo-GIA according to claim 1 is characterized in that: barrier rib (12) is 0.2mm～2mm with respect to the height that goes out nail surface (11).
4. the nail bin seat of the tissue holder gripping member of linear Endo-GIA according to claim 2 is characterized in that: stop that projection (13) is 0.2mm～2mm with respect to the height that goes out nail surface (11).
5. the nail bin seat of the tissue holder gripping member of linear Endo-GIA according to claim 1, it is characterized in that: the smooth outer surface of barrier rib (12) does not have corner angle, and the upper surface of outer surface is circular arc;
First group of front portion that goes out to follow closely hole (15) that goes out to follow closely the leftmost side string in hole (15a) also arranges a left barrier rib (12a), and the rear portion that goes out to follow closely hole (15) of leftmost side string also arranges a left barrier rib (12a);
Second group of front portion that goes out to follow closely hole (15) that goes out to follow closely the rightmost side string in hole (15b) also arranges a right barrier rib (12b), and the rear portion that goes out to follow closely hole (15) of rightmost side string also arranges a right barrier rib (12b).
6. the tissue holder gripping member of a linear Endo-GIA, formed by nail bin groupware and nail supporting base assembly, nail bin groupware comprises nail bin seat (1), nail bin seat (1) comprises nail surface (11), push broach groove (14) and goes out to follow closely hole (15), push broach groove (14) longitudinally is arranged on the middle part of nail bin seat (1), each side the establishing 1 group and go out to follow closely the hole of push broach groove (14), 2 groups go out to follow closely the hole and are divided into first group according to the difference of position, the residing left and right sides and go out to follow closely hole (15a) and second group and go out to follow closely hole (15b); The nail supporting base assembly comprises nail supporting base (2), and nail supporting base (2) comprises to nail surface (21), goes up push broach groove (23) and supports nail groove (25); Last push broach groove (23) is corresponding with the push broach groove (14) of nail bin seat (1), longitudinally is arranged on the middle part of nail supporting base (2); It is characterized in that:
The nail surface (11) that goes out of nail bin seat (1) is provided with barrier rib (12);
Described barrier rib (12) comprises first group of barrier rib in the left side that is positioned at push broach groove (14) and is positioned at second group of barrier rib on the right side of push broach groove (14); The left barrier rib of each of first group of barrier rib (12a) becomes the string barrier rib to uniformly-spaced arranging successively along front and back, the right barrier rib of each of second group of barrier rib (12b) also becomes another row barrier rib along front and back to uniformly-spaced arranging successively, and a corresponding right barrier rib (12b) of each left barrier rib (12a) of first group of barrier rib and second group of barrier rib is that the plane of symmetry is symmetrical arranged with the vertical guide through the sagittal centrage of push broach groove (14);
The left barrier rib of each of first group of barrier rib (12a) is whole V-shaped, links to each other with the first stretching raised line (12a-2) and constitutes by first barrier rib (12a-1); First barrier rib (12a-1) along about to setting, be arranged on one of first group of leftmost side that goes out to follow closely hole (15a) and list corresponding two of nail hole and adjacently go out to follow closely between the hole (15); The bearing of trend of first barrier rib (12a-1) and push broach groove (14) are perpendicular; The first stretching raised line (12a-2) of each left barrier rib (12a) is positioned at the left side that nail hole (15) is listed in one of the leftmost side from extending to the left front with the junction of first barrier rib (12a-1); First barrier rib (12a-1) is 5 °～75 ° with the acute angle theta of the angle of the first stretching raised line (12a-2);
A corresponding left barrier rib (12a) the shape symmetry of the shape of the right barrier rib of each of second group of barrier rib (12b) and first group of barrier rib, each right barrier rib (12b) is whole V-shaped, links to each other with the second stretching raised line (12b-2) and constitutes by second barrier rib (12b-1); Second barrier rib (12b-1) along about to setting, be arranged on one of second group of rightmost side that goes out to follow closely hole (15b) and list corresponding two of nail hole and adjacently go out to follow closely between the hole (15); The bearing of trend of second barrier rib (12b-1) and push broach groove (14) are perpendicular; The second stretching raised line (12b-2) of each right barrier rib (12b) is from extending to the right front with the junction of second barrier rib (12b-1), and the second stretching raised line (12b-2) of each right barrier rib (12b) is positioned at the right side that nail hole (15) is listed in one of the rightmost side; The acute angle theta of first barrier rib (12a-1) of the acute angle of the angle of second barrier rib (12b-1) and the second stretching raised line (12b-2) and left barrier rib (12a) and the angle of the first stretching raised line (12a-2) equates.
7. the tissue holder gripping member of linear Endo-GIA according to claim 6 is characterized in that: the going out also to be provided with on the nail surface (11) of nail bin seat (1) stops projection (13); Stop that projection (13) is positioned at the place ahead of push broach groove (14); The described projection (13) that stops has 4～8, and it is shaped as hemispherical, each stop projection (13) along about to setting gradually;
Also being provided with on nail surface (21) of nail supporting base 2 stops pit (26), stops that pit (26) is arranged on the front end position on nail surface (21); The quantity that stops pit (26) is identical with the quantity that stops projection (13) of nail bin seat (1), and each stops about pit (26) edge to setting gradually; Stop that pit (26) is shaped as hemispherical, corresponding with the shape that stops projection (13) of nail bin seat (1).
8. the tissue holder gripping member of linear Endo-GIA according to claim 7 is characterized in that: the barrier rib (12) of nail bin seat (1) is 0.2mm～2mm with respect to the height that goes out nail surface (11); What stop projection (13) is 0.2mm～2mm with respect to the height that goes out nail surface (11).
9. the tissue holder gripping member of linear Endo-GIA according to claim 6 is characterized in that: first barrier rib (12a-1) is 20 °～60 ° with the acute angle theta of the angle of the first stretching raised line (12a-2).
10. the tissue holder gripping member of linear Endo-GIA according to claim 6, it is characterized in that: the smooth outer surface of the barrier rib (12) of nail bin seat (1) does not have corner angle, and the upper surface of outer surface is circular arc;
First group of front portion that goes out to follow closely hole (15) that goes out to follow closely the leftmost side string in hole (15a) of nail bin seat (1) also arranges a left barrier rib (12a), and the rear portion that goes out to follow closely hole (15) of leftmost side string also arranges a left barrier rib (12a);
Second group of front portion that goes out to follow closely hole (15) that goes out to follow closely the rightmost side string in hole (15b) of nail bin seat (1) also arranges a right barrier rib (12b), and the rear portion that goes out to follow closely hole (15) of rightmost side string also arranges a right barrier rib (12b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220689865 CN203029299U (en) | 2012-12-13 | 2012-12-13 | Tissue clamp piece of linear cutting anastomat and nail bin seat thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220689865 CN203029299U (en) | 2012-12-13 | 2012-12-13 | Tissue clamp piece of linear cutting anastomat and nail bin seat thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203029299U true CN203029299U (en) | 2013-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220689865 Withdrawn - After Issue CN203029299U (en) | 2012-12-13 | 2012-12-13 | Tissue clamp piece of linear cutting anastomat and nail bin seat thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203029299U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102973300A (en) * | 2012-12-13 | 2013-03-20 | 常州市新能源吻合器总厂有限公司 | Tissue clamping member of linear cutting anastomat and nail granary of tissue clamping member |
| CN103829983A (en) * | 2014-03-07 | 2014-06-04 | 常州威克医疗器械有限公司 | Anti-skid cartridge with different staple heights |
| CN105105808A (en) * | 2015-09-01 | 2015-12-02 | 胡振东 | Linear type cutting and suturing device with inter-bridge structure |
| CN105342655A (en) * | 2015-10-21 | 2016-02-24 | 泰戈斯医疗器械（江苏）有限公司 | Cutting stapler |
| CN106108968A (en) * | 2016-08-31 | 2016-11-16 | 苏州天臣国际医疗科技有限公司 | Tissue closing device and medical apparatus and instruments |
| CN109692025A (en) * | 2018-11-14 | 2019-04-30 | 江苏风和医疗器材股份有限公司 | A kind of nail bin and surgical instruments for surgical instruments |
| CN109692024A (en) * | 2018-11-14 | 2019-04-30 | 江苏风和医疗器材股份有限公司 | A kind of nail bin and surgical instruments for surgical instruments |
| US11123072B2 (en) | 2016-08-08 | 2021-09-21 | Touchstone International Medical Science Co., Ltd. | Tissue closure device and medical instrument |
| WO2022141812A1 (en) * | 2020-12-30 | 2022-07-07 | 宝玛医疗科技(无锡)有限公司 | Staple carrier assembly having separated staple pushing pieces, and anastomat |
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2012
- 2012-12-13 CN CN 201220689865 patent/CN203029299U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102973300A (en) * | 2012-12-13 | 2013-03-20 | 常州市新能源吻合器总厂有限公司 | Tissue clamping member of linear cutting anastomat and nail granary of tissue clamping member |
| CN103829983A (en) * | 2014-03-07 | 2014-06-04 | 常州威克医疗器械有限公司 | Anti-skid cartridge with different staple heights |
| CN105105808A (en) * | 2015-09-01 | 2015-12-02 | 胡振东 | Linear type cutting and suturing device with inter-bridge structure |
| CN105105808B (en) * | 2015-09-01 | 2017-10-27 | 胡振东 | Between bridge architecture Linear cutting suturing device |
| CN105342655A (en) * | 2015-10-21 | 2016-02-24 | 泰戈斯医疗器械（江苏）有限公司 | Cutting stapler |
| US11123072B2 (en) | 2016-08-08 | 2021-09-21 | Touchstone International Medical Science Co., Ltd. | Tissue closure device and medical instrument |
| CN106108968A (en) * | 2016-08-31 | 2016-11-16 | 苏州天臣国际医疗科技有限公司 | Tissue closing device and medical apparatus and instruments |
| CN109692025A (en) * | 2018-11-14 | 2019-04-30 | 江苏风和医疗器材股份有限公司 | A kind of nail bin and surgical instruments for surgical instruments |
| CN109692024A (en) * | 2018-11-14 | 2019-04-30 | 江苏风和医疗器材股份有限公司 | A kind of nail bin and surgical instruments for surgical instruments |
| WO2022141812A1 (en) * | 2020-12-30 | 2022-07-07 | 宝玛医疗科技(无锡)有限公司 | Staple carrier assembly having separated staple pushing pieces, and anastomat |
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