CN113749711B

CN113749711B - Novel winding puncture auxiliary device for pancreatic and intestinal anastomosis

Info

Publication number: CN113749711B
Application number: CN202111162249.9A
Authority: CN
Inventors: 丁成明; 廖文彦; 李江涛
Original assignee: First Affiliated Hospital of University of South China
Current assignee: First Affiliated Hospital of University of South China
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2023-07-04
Anticipated expiration: 2041-09-30
Also published as: CN113749711A

Abstract

The invention provides a novel winding puncture auxiliary device for pancreatic anastomosis, which comprises a mounting frame, wherein a fixed first clamping frame and a movable second clamping frame are arranged on one side of the mounting frame, a plurality of groups of suture grooves and a group of needle tracks are formed in the first clamping frame and the second clamping frame, a supporting rod is arranged at the bottom of the second clamping frame, one side of the supporting rod is connected with the mounting frame through a control assembly, one end of the supporting rod is connected with the mounting frame through a reset assembly, a fixing frame connected through a connecting plate is arranged on one side of the mounting frame, a coil installed through an installation assembly is arranged at one end of the fixing frame, a suture needle connected through a suture line is arranged at one end of the coil, and a shearing assembly is arranged on the mounting frame. The device can prevent the suture needle from shifting in the suture process, improves the threading stability, ensures that the pancreatic and intestinal anastomosis operation is more efficient and safer, simultaneously facilitates cutting the suture thread, and improves the efficiency of the pancreatic and intestinal anastomosis operation.

Description

Novel winding puncture auxiliary device for pancreatic and intestinal anastomosis

Technical Field

The invention belongs to the technical field of pancreatic intestinal anastomosis, and particularly relates to a novel winding puncture auxiliary device for pancreatic intestinal anastomosis.

Background

The incidence of pancreatic cancer has increased year by year, and effective therapy is to perform pancreatic duodenal resection, which is also a main operation mode for treating pancreatic head tumor, duodenal papilla tumor, ampulla tumor, duodenal segment-descending tumor and the like, and is the most important operation in abdominal surgery. The surgery is to excise six organs of the pancreatic-duodenal region and perform three anastomoses of pancreas, gall bladder and stomach.

After the pancreatic head is resected, the pancreatic anastomosis operation is needed, so that pancreatic juice can flow into the small intestine again, and at present, the cut pancreatic intestine is mostly manually wound and sutured when being sutured, and the suturing mode has lower stability and needs to be assisted by using a large number of other tools, so that the operation efficiency is reduced.

Accordingly, a novel winding puncture assisting device for pancreatic anastomosis is urgently needed to solve the technical problems.

Disclosure of Invention

In order to solve the technical problems, the invention provides a novel winding puncture auxiliary device for pancreatic intestine anastomosis, which aims to solve the technical problems that in the prior art, when the pancreas intestine is sutured, the cut pancreas intestine is mostly manually sutured in a winding way, the stability of the suturing mode is low, and a large number of other tools are needed to assist.

The invention discloses a novel winding puncture auxiliary device for pancreatic anastomosis, which aims at achieving the following specific technical means:

the utility model provides a novel wire winding puncture auxiliary device for pancreatic intestine anastomosis, includes the mounting bracket, one side of mounting bracket is fixed to be provided with first clamping frame, the bottom of mounting bracket is provided with the handle, one side of mounting bracket is provided with the second clamping frame, first clamping frame with the second clamping frame sets up relatively, first clamping frame with multiunit suture groove and a set of needle rail have all been seted up on the second clamping frame, second clamping frame bottom is provided with the bracing piece, one side of bracing piece with the mounting bracket is connected through control assembly, the one end of bracing piece with the mounting bracket is connected through reset assembly, one side of mounting bracket is provided with the mount that is connected through the connecting plate, the one end of mount is provided with the coil that installs through installation assembly, the one end of coil is provided with the suture needle that is connected through the suture thread, one side of mounting bracket is provided with first spool and mounting bracket, the one end of suture needle wears to establish in the first spool, the one end of second clamping frame is provided with the second spool, be provided with shearing assembly on the mounting bracket.

Further, the control assembly comprises a miniature pneumatic rod, a mounting hole is formed in one side of the mounting frame, the miniature pneumatic rod is arranged in the mounting hole in a penetrating mode, a roller shaft frame is arranged at one end of the miniature pneumatic rod, a roller is sleeved on the roller shaft frame, a sliding frame is arranged on one side of the supporting rod, the roller is clamped in the sliding frame, a control switch is arranged on one side of the handle, and the control switch is connected with the miniature pneumatic rod.

Further, reset assembly is including fixed setting the reference column of mounting bracket one side, the one end of bracing piece is provided with the position sleeve, the position sleeve cover is established on the reference column, the cover is equipped with fastening spring on the reference column, fastening spring's one end with the contact of position sleeve bottom surface, the both sides of position sleeve all are provided with the location slider, two sets of location spouts have been seted up to one side of mounting bracket, two sets of the location slider card respectively is established in two sets of in the location spout.

Further, the installation component is including two sets of fixed settings support frames of mount one side, two sets of all be provided with the screwed ring on the support frame, the both ends of coil all are provided with the installation axle, two sets of the installation axle card respectively establish in two sets of in the screwed ring, the cover is equipped with the screw thread cover on the screwed ring, be provided with the line frame on the support frame, the suture thread wears to establish in the line frame with the sewing needle is connected.

Further, a through groove is formed in the fixing frame, two groups of needle clamping blocks are arranged in the through groove, the two groups of needle clamping blocks are oppositely arranged, anti-slip pads are arranged on one sides of the needle clamping blocks, two groups of clamping springs are arranged on the other sides of the needle clamping blocks, the clamping springs are in contact with the inner sides of the through groove, and protrusions on two sides of the needle clamping blocks are clamped in the through groove.

Further, the shearing assembly comprises a shearing knife, one side of the first spool is provided with a knife rest, the shearing knife is clamped in the knife rest, one end of the shearing knife is provided with a Z-shaped block connected through a control rod, one end of the Z-shaped block is provided with a wedge block, a first mounting groove is formed in the mounting frame, a mounting column is arranged in the first mounting groove in a penetrating mode, a pressing plate is arranged on the mounting column, and one end of the pressing plate contacts with an inclined surface of the wedge block.

Further, one end of the Z-shaped block is provided with a locating rod, one end of the locating rod is provided with a limiting block, a locating seat is arranged on the mounting frame, the locating rod is arranged in the locating seat in a penetrating mode, a reset spring is sleeved on the locating rod, and two ends of the reset spring are respectively in contact with the Z-shaped block and the locating seat.

Further, a second mounting groove is formed in one side of the connecting plate, a needle box connected through a rotating shaft is arranged in the second mounting groove, and one end of the needle box is connected with the mounting frame through a buckle.

Compared with the prior art, the invention has the following beneficial effects:

1. when the device is used, the control switch is pressed to enable the miniature pneumatic rod to extend, the roller is driven to move, the relative movement of the roller and the sliding frame controls the second clamping frame to move downwards along the positioning column to be opened, then the first clamping frame and the second clamping frame are clamped to the tail end of the pancreas intestine to be sutured, the miniature pneumatic rod is contracted, the fastening spring is matched to drive the second clamping frame to move back to fix the tail end of the pancreas intestine, the pancreas intestine is filled in the suture groove to be conveniently sutured, the suture needle is pushed to move along the first thread tube to suture the upper half part of the pancreas intestine, after the suture needle penetrates out from one end of the first clamping frame, the suture needle penetrates into the second clamping frame from the second thread tube to suture the lower half part of the pancreas intestine, the first thread tube and the second thread tube position the movement of the suture needle, the suture needle is prevented from shifting in the suture process, the stability in threading is improved, and the pancreas intestine anastomosis operation is more efficient and safer.

2. After threading the end of pancreas intestine, wear to establish the one end of sewing needle between two sets of needle blocks that press from both sides, two sets of needle blocks are fixed the sewing needle under the effect of centre gripping spring, prevent that the sewing needle from dropping, press the one end that presses the board again and promote the voussoir motion, thereby drive shearing sword motion and cut the suture, avoid adopting other shearing tools, make pancreas intestine wire winding convenient and fast more, tie a knot with the both ends of suture after cutting, the support is anastomosed to the convenient installation pancreas intestine, rotatable two sets of thread cover make it follow the screwed ring motion, alright make the installation axle at coil both ends break away from the screwed ring, the convenience is changed the coil, the needle box is used for depositing reserve sewing needle, the practical value of the device has been improved.

Drawings

Fig. 1 is a schematic diagram showing an assembled structure of a novel wound puncture assisting device for pancreatic anastomosis.

Fig. 2 is a schematic diagram of a split structure of a novel winding puncture assisting device for pancreatic anastomosis.

Fig. 3 is a schematic structural view of a second clamping frame in the novel winding puncture assisting device for pancreatic and intestinal anastomosis.

Fig. 4 is a schematic diagram II of an assembled structure of a novel wound puncture assisting device for pancreatic anastomosis.

Fig. 5 is an exploded view of fig. 2.

Fig. 6 is a schematic structural view of a shearing knife in the novel winding puncture assisting device for pancreatic and intestinal anastomosis.

Fig. 7 is an enlarged schematic view of region a in fig. 2.

Fig. 8 is an enlarged schematic view of region b in fig. 2.

Fig. 9 is an enlarged schematic view of region c in fig. 5.

In the figure, the correspondence between the component names and the drawing numbers is:

101. a mounting frame; 102. a first clamping frame; 103. a handle; 104. a fixing frame; 105. a connecting plate; 106. a second mounting groove; 107. a needle box; 108. a buckle; 109. a second conduit; 201. a second clamping frame; 202. a suture groove; 203. a needle rail; 204. a support rod; 205. a sliding frame; 206. positioning a sliding block; 207. a positioning sleeve; 301. a mounting hole; 302. a miniature pneumatic rod; 303. a roller frame; 304. a roller; 305. positioning columns; 306. a fastening spring; 307. positioning a chute; 308. a control switch; 401. a first conduit; 402. a wire slot; 403. a tool holder; 404. a shearing knife; 405. a control lever; 406. wedge blocks; 407. a positioning rod; 408. a limiting block; 409. a return spring; 410. a Z-shaped block; 501. a positioning seat; 502. a first mounting groove; 503. pressing the plate; 504. a mounting column; 601. a support frame; 602. a threaded ring; 603. a wire frame; 604. a thread sleeve; 605. a coil; 606. a mounting shaft; 607. a suture needle; 608. a suture; 701. a needle clamping block; 702. a clamping spring; 703. an anti-slip pad; 704. and (5) through grooves.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the technical scheme of the present invention, but are not intended to limit the scope of the present invention.

The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Examples:

as shown in fig. 1 to 9:

the invention provides a novel winding puncture auxiliary device for pancreatic anastomosis, which comprises a mounting frame 101, wherein a first clamping frame 102 is fixedly arranged on one side of the mounting frame 101, a handle 103 is arranged at the bottom of the mounting frame 101, a second clamping frame 201 is arranged on one side of the mounting frame 101, the first clamping frame 102 and the second clamping frame 201 are oppositely arranged, and a plurality of groups of suture grooves 202 and a group of needle tracks 203 are respectively formed in the first clamping frame 102 and the second clamping frame 201.

The second holder 201 bottom is provided with bracing piece 204, one side of bracing piece 204 is connected through control assembly with mounting bracket 101, the one end of bracing piece 204 is connected through reset assembly with mounting bracket 101, one side of mounting bracket 101 is provided with mount 104 that is connected through connecting plate 105, the one end of mount 104 is provided with the coil 605 of installing through the installation component, the one end of coil 605 is provided with the sewing needle 607 of being connected through suture 608, one side of mounting bracket 101 is provided with first bobbin 401 and wire casing 402, the one end of sewing needle 607 wears to establish in first bobbin 401, the one end of second holder 201 is provided with second spool 109, be provided with shearing assembly on the mounting bracket 101.

The device can be used by holding the handle 103 by hand, when the first clamping frame 102 and the second clamping frame 201 are folded, the pancreas intestine is extruded, so that the pancreas intestine is filled into the plurality of groups of suture grooves 202, the pancreas intestine is conveniently sutured, the suture needle 607 only needs to penetrate out along the needle rail 203 on the first clamping frame 102 and then penetrates through the needle rail 203 on the second clamping frame 201, winding suture can be completed, the suture efficiency is improved, the control component conveniently controls the second clamping frame 201 to open and close, the tail end of the pancreas intestine is conveniently clamped, and the suture is more stable.

The reset component is used for matching with the control component to fold the second clamping frame 201, so that stability in the folding process is improved, and the second clamping frame 201 is prevented from shifting in the moving process; one side of mounting bracket 101 sets up mount 104 and is used for setting up the installation component, the installation component is used for installing coil 605, and conveniently change coil 605, set up first spool 401 and second spool 109 and conveniently fix a position to sewing needle 607, need not manual the searching position of penetrating, prevent simultaneously that sewing needle 607 from taking place the skew at the in-process of sewing up, wire casing 402 conveniently takes out from the sewing needle 607 that second holder 201 was penetrated, because second holder 201 can take place the removal of little distance in the in-process of centre gripping pancreas intestine, can follow wire casing 402 after consequently sewing needle 607 is penetrated, set up the shearing subassembly and be used for cutting off the suture 608 after sewing up, conveniently fix suture 608.

As shown in fig. 3 and 7, the control assembly comprises a micro pneumatic rod 302, a mounting hole 301 is formed in one side of the mounting frame 101, the micro pneumatic rod 302 is arranged in the mounting hole 301 in a penetrating manner, a roller shaft bracket 303 is arranged at one end of the micro pneumatic rod 302, a roller 304 is sleeved on the roller shaft bracket 303, a sliding frame 205 is arranged on one side of the supporting rod 204, the roller 304 is clamped in the sliding frame 205, a control switch 308 is arranged on one side of the handle 103, and the control switch 308 is connected with the micro pneumatic rod 302.

The miniature pneumatic rod 302 can be controlled to stretch out and draw back in the mounting hole 301 through the control switch 308, so that the roller 304 is driven to linearly move, and in the process of moving in the sliding frame 205, the roller 304 drives the supporting rod 204 to move up and down through the inclined sliding frame 205, so that the second clamping frame 201 is driven to open and close, the pancreas intestine is clamped conveniently, and follow-up sewing work is facilitated.

As shown in fig. 7, the reset assembly includes a positioning column 305 fixedly disposed on one side of the mounting frame 101, a positioning sleeve 207 is disposed at one end of the support rod 204, the positioning sleeve 207 is sleeved on the positioning column 305, a fastening spring 306 is sleeved on the positioning column 305, one end of the fastening spring 306 contacts with the bottom surface of the positioning sleeve 207, positioning slide blocks 206 are disposed on two sides of the positioning sleeve 207, two sets of positioning slide grooves 307 are disposed on one side of the mounting frame 101, and the two sets of positioning slide blocks 206 are respectively clamped in the two sets of positioning slide grooves 307.

The locating sleeve 207 of bracing piece 204 one end overlaps and establishes on reference column 305 and fix a position the motion of bracing piece 204, prevents that bracing piece 204 from taking place the skew at the in-process of motion, makes bracing piece 204 can only drive second holder 201 along reference column 305 up-and-down motion, sets up fastening spring 306 and carries out auxiliary fixation to the second holder 201 of centre gripping in-process, prevents that second holder 201 from taking place not hard up, improves the fixed stability of pancreas intestines, sets up the location slider 206 card and establishes in location spout 307 and carry out auxiliary positioning to the motion of bracing piece 204.

As shown in fig. 2 and 8, the installation component includes two groups of support frames 601 fixedly arranged at one side of the fixing frame 104, threaded rings 602 are arranged on the two groups of support frames 601, installation shafts 606 are arranged at two ends of the coil 605, the two groups of installation shafts 606 are respectively clamped in the two groups of threaded rings 602, threaded sleeves 604 are sleeved on the threaded rings 602, a wire frame 603 is arranged on the support frames 601, and a suture 608 is arranged in the wire frame 603 in a penetrating manner and is connected with a suture needle 607.

The coil 605 is installed in the threaded ring 602 through two sets of installation axle 606 clamps, makes the coil 605 can rotate in two sets of support frames 601, and the thread bush 604 limits the position of installation axle 606, prevents that coil 605 drops in the in-process of using, and after the coil 605 used, accessible rotated thread bush 604 and made its rectilinear motion on threaded ring 602, alright contact the restriction to installation axle 606, alright dismantle the change to coil 605 at this moment, need not to use coil 605 alone, makes the operation more convenient high-efficient.

As shown in fig. 2 and 8, a through groove 704 is formed in the fixing frame 104, two groups of needle clamping blocks 701 are arranged in the through groove 704, the two groups of needle clamping blocks 701 are arranged oppositely, anti-slip pads 703 are arranged on one sides of the two groups of needle clamping blocks 701, two groups of clamping springs 702 are arranged on the other sides of the two groups of needle clamping blocks 701, the clamping springs 702 are in contact with the inner sides of the through groove 704, and protrusions on two sides of the needle clamping blocks 701 are clamped in the through groove 704.

The two groups of needle clamping blocks 701 can move in the through groove 704 in a small amplitude, the two groups of clamping springs 702 control the two groups of needle clamping blocks 701 to fold, when the suturing is completed, one end of the suturing needle 607 can be penetrated between the two groups of needle clamping blocks 701, and the two groups of needle clamping blocks 701 clamp and fix the suturing needle 607 through the anti-slip pad 703, so that the suturing needle 607 is prevented from falling off after the suturing thread 608 is cut off.

As shown in fig. 4, 5 and 9, the shearing assembly comprises a shearing blade 404, one side of a first wire tube 401 is provided with a tool rest 403, the shearing blade 404 is clamped in the tool rest 403, one end of the shearing blade 404 is provided with a Z-shaped block 410 connected by a control rod 405, one end of the Z-shaped block 410 is provided with a wedge block 406, a first mounting groove 502 is formed in the mounting frame 101, a mounting column 504 is arranged in the first mounting groove 502 in a penetrating manner, a pressing plate 503 is arranged on the mounting column 504, and one end of the pressing plate 503 contacts with an inclined plane of the wedge block 406.

The knife rest 403 is arranged to mount the shearing knife 404, the shearing knife 404 can move transversely in the knife rest 403, the mounting column 504 can move up and down in the first mounting groove 502, the Z-shaped block 410 can be driven to move transversely by pressing the pressing plate 503 through the inclined plane of the wedge block 406, so that the shearing knife 404 is driven to move, and the shearing knife 404 is matched with the first wire tube 401 and the wire slot 402 to shear the suture 608 in the moving process, so that other shearing tools are not needed, and the operation is faster.

As shown in fig. 6 and 9, one end of the Z-shaped block 410 is provided with a positioning rod 407, one end of the positioning rod 407 is provided with a limiting block 408, the mounting frame 101 is provided with a positioning seat 501, the positioning rod 407 is arranged in the positioning seat 501 in a penetrating manner, the positioning rod 407 is sleeved with a return spring 409, and two ends of the return spring 409 are respectively contacted with the Z-shaped block 410 and the positioning seat 501.

After the suture 608 is sheared, the pressing plate 503 is loosened, the Z-shaped block 410 is controlled to reset under the action of the reset spring 409 for the next use, wherein the locating rod 407 is penetrated in the locating seat 501 to locate the motion track of the Z-shaped block 410, and the stability of the shearing assembly in operation is improved.

As shown in fig. 1 and 2, a second mounting groove 106 is formed in one side of the connecting plate 105, a needle box 107 connected by a rotating shaft is disposed in the second mounting groove 106, and one end of the needle box 107 is connected with the mounting frame 101 by a buckle 108. Needle cartridge 107 is secured by snap fit 108 to prevent it from automatically opening and provision of needle cartridge 107 for placement of a spare needle 607 improves the functionality of the device.

Specific use and action of the embodiment:

when the device is used, the control switch 308 is pressed to enable the micro pneumatic rod 302 to extend, the roller 304 is driven to move, the relative movement of the roller 304 and the sliding frame 205 controls the second clamping frame 201 to move downwards to be opened, then the first clamping frame 102 and the second clamping frame 201 are clamped to the tail end of the pancreas intestine to be sutured, the micro pneumatic rod 302 is contracted to drive the second clamping frame 201 to move back to fix the tail end of the pancreas intestine, the pancreas intestine is filled in the suturing groove 202 to facilitate threading and suturing, then the suturing needle 607 is pushed to move along the first thread tube 401 to suture the upper half part of the pancreas intestine, after the suturing needle 607 penetrates out from one end of the first clamping frame 102, the second thread tube 109 penetrates into the second clamping frame 201 to suture the lower half part of the pancreas intestine, the first thread tube 401 and the second thread tube 109 position the movement of the suturing needle 607, the suturing needle 607 is prevented from being deviated in the suturing process, the threading stability is improved, and the pancreas intestine anastomosis operation is enabled to be more efficient and safer.

After threading the tail end of the pancreas intestine, one end of the suture needle 607 is inserted between the two groups of needle clamping blocks 701, the two groups of needle clamping blocks 701 fix the suture needle 607 under the action of the clamping springs 702, the suture needle 607 is prevented from falling, then the pressing plate 503 is pressed to push the wedge block 406 to move, thereby driving the shearing knife 404 to move to shear the suture 608, avoiding other shearing tools, enabling the pancreas intestine to be wound more conveniently and rapidly, knotting the two ends of the sheared suture 608, facilitating the installation of the pancreas intestine anastomosis bracket, rotating the two groups of thread sleeves 604 to enable the thread sleeves 604 to move along the thread rings 602, enabling the installation shafts 606 at the two ends of the coil 605 to be separated from the thread rings 602, facilitating the replacement of the coil 605, and the needle box 107 is used for storing the standby suture needle 607, thereby improving the practical value of the device.

The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. Novel wire winding puncture auxiliary device for pancreas intestine anastomosis, its characterized in that: including mounting bracket (101), the fixed first holder (102) that is provided with in one side of mounting bracket (101), the bottom of mounting bracket (101) is provided with handle (103), one side of mounting bracket (101) is provided with second holder (201), first holder (102) with second holder (201) set up relatively, first holder (102) with multiunit suture groove (202) and a set of needle rail (203) have all been seted up on second holder (201), second holder (201) bottom is provided with bracing piece (204), one side of bracing piece (204) with mounting bracket (101) are connected through control assembly, one end of bracing piece (204) with mounting bracket (101) are connected through reset assembly, one side of mounting bracket (101) is provided with mount (104) that are connected through connecting plate (105), the one end of mount (104) is provided with coil (605) that installs through installation subassembly, the one end of coil (605) is provided with and carries out multiunit suture groove (202) and a set up needle rail (203), one side (401) are connected through needle (607) and thread tube (401) are in the setting up in the spool (401), one end of the second clamping frame (201) is provided with a second wire pipe (109), and the mounting frame (101) is provided with a shearing assembly; the control assembly comprises a miniature pneumatic rod (302), a mounting hole (301) is formed in one side of the mounting frame (101), the miniature pneumatic rod (302) is arranged in the mounting hole (301) in a penetrating mode, a rolling shaft frame (303) is arranged at one end of the miniature pneumatic rod (302), a roller (304) is sleeved on the rolling shaft frame (303), a sliding frame (205) is arranged on one side of the supporting rod (204), the roller (304) is clamped in the sliding frame (205), a control switch (308) is arranged on one side of the handle (103), and the control switch (308) is connected with the miniature pneumatic rod (302).

2. The novel wound puncture assisting device for pancreatic anastomosis according to claim 1, characterized in that: the reset assembly comprises a positioning column (305) fixedly arranged on one side of the mounting frame (101), a positioning sleeve (207) is arranged at one end of the supporting rod (204), the positioning sleeve (207) is sleeved on the positioning column (305), a fastening spring (306) is sleeved on the positioning column (305), one end of the fastening spring (306) is in contact with the bottom surface of the positioning sleeve (207), positioning sliding blocks (206) are arranged on two sides of the positioning sleeve (207), two groups of positioning sliding grooves (307) are formed in one side of the mounting frame (101), and the two groups of positioning sliding blocks (206) are respectively clamped in the two groups of positioning sliding grooves (307).

3. The novel wound puncture assisting device for pancreatic anastomosis according to claim 1, characterized in that: the installation component is including two sets of fixed support frames (601) that set up in mount (104) one side, two sets of all be provided with screwed ring (602) on support frames (601), the both ends of coil (605) all are provided with installation axle (606), two sets of installation axle (606) card respectively establish in two sets of screwed ring (602), the cover is equipped with screwed sleeve (604) on screwed ring (602), be provided with wire frame (603) on support frames (601), suture thread (608) wear to establish in wire frame (603) with suture needle (607) are connected.

4. The novel wound puncture assisting device for pancreatic anastomosis according to claim 3, wherein: the fixing frame (104) is provided with a through groove (704), two groups of needle clamping blocks (701) are arranged in the through groove (704), the two groups of needle clamping blocks (701) are oppositely arranged, one sides of the needle clamping blocks (701) are provided with anti-slip pads (703), the other sides of the needle clamping blocks (701) are provided with two groups of clamping springs (702), the clamping springs (702) are in contact with the inner side of the through groove (704), and protrusions on two sides of the needle clamping blocks (701) are clamped in the through groove (704).

5. The novel wound puncture assisting device for pancreatic anastomosis according to claim 1, characterized in that: the utility model provides a shearing subassembly is including shearing sword (404), one side of first spool (401) is provided with knife rest (403), shearing sword (404) card is established in knife rest (403), the one end of shearing sword (404) is provided with Z type piece (410) that are connected through control lever (405), the one end of Z type piece (410) is provided with voussoir (406), first mounting groove (502) have been seted up on mounting bracket (101), wear to be equipped with erection column (504) in first mounting groove (502), be provided with on erection column (504) according to board (503), according to the one end of board (503) with inclined plane contact of voussoir (406).

6. The novel wound puncture assisting device for pancreatic anastomosis according to claim 5, characterized in that: one end of Z type piece (410) is provided with locating lever (407), the one end of locating lever (407) is provided with stopper (408), be provided with positioning seat (501) on mounting bracket (101), locating lever (407) wear to establish in positioning seat (501), the cover is equipped with reset spring (409) on locating lever (407), reset spring (409) both ends respectively with Z type piece (410) with positioning seat (501) contact.

7. The novel wound puncture assisting device for pancreatic anastomosis according to claim 1, characterized in that: a second mounting groove (106) is formed in one side of the connecting plate (105), a needle box (107) connected through a rotating shaft is arranged in the second mounting groove (106), and one end of the needle box (107) is connected with the mounting frame (101) through a buckle (108).