CN113349857A

CN113349857A - Linear anastomat with cutting device

Info

Publication number: CN113349857A
Application number: CN202110652029.8A
Authority: CN
Inventors: 封骁; 朱易凡
Original assignee: Suzhou Frankenman Medical Equipment Co Ltd
Current assignee: Suzhou Frankenman Medical Equipment Co Ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-09-07
Anticipated expiration: 2041-06-11
Also published as: CN113349857B

Abstract

The invention discloses a linear anastomat with a cutting device, which belongs to the technical field of medical instruments, and adopts the technical scheme that the anastomat comprises an anastomat body and an assembly connecting pipe, wherein the bottom of the anastomat body is sequentially in transmission hinge joint with an anastomosis handle and a closing handle from left to right, a connecting sleeve is arranged between the anastomat body and the assembly connecting pipe, the inner wall of the assembly connecting pipe is fixedly connected with a nail anvil block, the inner wall of the nail anvil block is provided with a wire groove, the inner wall of the wire groove is in sliding connection with a baffle plate, and the inner wall of the nail anvil block is in hinge joint with a nail bin seat. Affecting the normal anastomotic effect and causing pain to the patient.

Description

Linear anastomat with cutting device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a linear anastomat with a cutting device.

Background

The linear anastomat is also called as a digestive tract closer, is an instrument which can linearly nail a plurality of nails which are arranged in a staggered way on tissues and is also one of the instruments which are widely applied to replace manual linear suturing; is mainly used for suturing and closing the stumps of the stomach, the duodenum, the small intestine and the colon and is a full-layer outward turning type suture.

At present the linear type anastomat that extensively is used for medical treatment to use cuts anastomotic in-process in patient disease department, there is not fine spacing barrier effect to the cutting knife, the cutting knife is very easily influenced the normal identical to the tissue to the pause that produces when cutting patient disease affected part under the drive action of anastomat internal assembly, and medical personnel is in the identical while, the removal easily takes place for the anastomat body, lead to disease department tissue to take place to remove in the department that coincide easily, therefore, technical personnel in the field provide a take cutting device's linear type anastomat, in order to solve the problem that proposes in the above-mentioned background art.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a linear anastomat with a cutting device, which has the advantages of increasing the effect of slowing down the jerking force generated by a cutting knife during anastomosis, increasing the clamping effect on the tissues of a patient, preventing the tissues from loosening and influencing the normal anastomosis effect.

2. Technical scheme

In order to solve the problems, the invention adopts the following technical scheme: the utility model provides a take cutting device's linear type anastomat, includes anastomat body and subassembly connecting pipe, the bottom of anastomat body is articulated to have coincide handle and closed handle from left to right transmission in proper order, be provided with adapter sleeve between anastomat body and the subassembly connecting pipe, the inner wall fixedly connected with nail anvil block of subassembly connecting pipe, the wire casing has been seted up to the inner wall of nail anvil block, the inner wall sliding connection of wire casing has the baffler, the inner wall of nail anvil block articulates there is nail storehouse seat, the inner wall of nail storehouse seat begin to have the assorted cutting groove that equals and with the baffler with the wire casing width, the inside sliding connection in cutting groove has the cutting knife, the cutting knife can contact with the baffler, the inner wall of nail storehouse seat is provided with the ejector pad, the top of ejector pad is provided with evenly distributed's coincide nail.

Furthermore, an assembly push block which is in transmission connection with the anastomat body and is located on the inner wall of the nail bin seat in a sliding mode is arranged on the inner wall of the nail bin seat, a driving seat which is inclined in side face and is in contact with the nail pushing plate is fixedly connected to the left side of the assembly push block, the cutting knife is fixedly connected with the assembly push block, and an extrusion strip which can be in contact with the cutting knife is arranged at the opening edge of the cutting groove.

Furthermore, two jacking rods are fixedly connected to two sides of the top of the active seat, and the tops of the two jacking rods are in contact with the extrusion strip.

Furthermore, a spring is fixedly connected between the left side of the inner wall of the wire slot and the blocking plate, a limiting groove communicated with the wire slot is formed in the inner wall of the nail anvil block, and a limiting block fixedly connected with the blocking plate slides on the inner wall of the limiting groove.

Further, the inner wall left side of wire casing is provided with supplementary piece, the left side of baffler is provided with the buffer block that can contact with supplementary piece, supplementary piece and buffer block are the rubber material component.

Furthermore, notches are formed in the top of the inner wall of the nail bin seat close to the two sides of the cutting groove, nail outlet grooves which are uniformly arranged and matched with anastomotic nails are formed in the inner wall of each notch and the top of the nail bin seat, and backing plates matched with the notches are arranged at the bottom of the nail anvil block.

Further, the inner wall of the nail anvil block is provided with a nail bending groove which is uniformly distributed, matched with the nail discharging groove and has a width larger than the width of the nail discharging groove, the backing plate is positioned at the edge of the nail bending groove, and the backing plate is made of latex materials.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) according to the scheme, the extrusion strips are arranged, when the wound of a patient is anastomosed, the assembly push block can continuously slide to the left side in the nail bin seat through the transmission force given by the anastomat body, the driving seat is in contact with the nail pushing plate, the anastomotic nails are pushed out of the nail bin seat, the assembly push block slides, and when the diseased part of the patient is cut through the cutting knife, the extrusion strips arranged on the inner wall of the cutting groove can be in contact with the cutting knife and give extrusion force to the cutting knife, so that the two sides of the cutting knife are limited, and the situation that the cutting knife deflects in the cutting groove while being in sliding cutting to influence the normal anastomotic effect and cause pain of the patient is avoided;

(2) by arranging the jacking rod, when the cutting knife slides in the nail bin seat through the component push block and cuts and fits the patient affected part, the jacking rod can be continuously contacted with the extrusion strip and deform the extrusion strip, so that the extrusion strip and the cutting knife can be contacted and attached more, and the limiting effect of the extrusion strip on the cutting knife is increased;

(3) the cutting knife can be blocked by the blocking plate and the spring, the pause force of the cutting knife during cutting and anastomosis through an internal component of the anastomat body is reduced, the pain of a patient is reduced, and then the limit groove matched with the limit block limits the blocking plate of the displacement limit groove, so that the blocking plate is prevented from being incapable of displacing in the wire groove, and the effect of slowing down the cutting knife is prevented from being influenced;

(4) by arranging the notch and the backing plate, when a medical worker uses the anastomat body and the nail anvil block is contacted with the nail bin seat, the backing plate can be clamped into the notch, so that the clamping force of the nail bin seat and the nail anvil seat on the tissue to be cut can be increased, and the situation that the tissue to be cut and anastomosed slightly moves between the nail anvil seat and the nail bin seat to influence the anastomosis effect in the anastomosis process is prevented;

(5) through setting up auxiliary block and buffer block, contact when cutting knife and baffler to when the baffler cushions gliding cutting knife, can contact the buffer block with the auxiliary block, can improve the buffer power to the cutting knife, make the baffler better to the buffering effect of cutting knife.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an elevational, cross-sectional view of the staple cartridge holder of the present invention;

FIG. 3 is a partial top view of the cartridge seat of the present invention;

FIG. 4 is a right side sectional view of the cartridge seat of the present invention;

FIG. 5 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 6 is a perspective view of an anvil base of the present invention;

FIG. 7 is a partial front cross-sectional view of an anvil base of the present invention;

fig. 8 is an enlarged view of the invention at B in fig. 6.

The reference numbers in the figures illustrate:

1. a stapler body; 2. closing the handle; 3. an anastomosis handle; 4. an assembly connection pipe; 5. a staple anvil block; 6. a nail magazine base; 7. anastomosis nails; 8. a nail pushing plate; 9. a top pressure rod; 10. a cutting knife; 11. an assembly push block; 12. a driving seat; 13. a buffer block; 14. an auxiliary block; 15. a spring; 16. a barrier plate; 17. cutting the groove; 18. a base plate; 19. the strip is extruded.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

Referring to fig. 1-8, in the embodiment of the present invention, a linear stapler with a cutting device includes a stapler body 1 and an assembly connecting pipe 4, a stapling handle 3 and a closing handle 2 are sequentially hinged to the bottom of the stapler body 1 from left to right in a transmission manner, a connecting sleeve is disposed between the stapler body 1 and the assembly connecting pipe 4, a staple anvil block 5 is fixedly connected to the inner wall of the assembly connecting pipe 4, a wire slot is formed in the inner wall of the staple anvil block 5, a blocking plate 16 is slidably connected to the inner wall of the wire slot, a staple cartridge seat 6 is hinged to the inner wall of the staple anvil block 5, a cutting slot 17 having a width equal to that of the wire slot and matching with the blocking plate 16 is formed in the inner wall of the staple cartridge seat 6, a cutting knife 10 is slidably connected to the inside of the cutting slot 17, the cutting knife 10 can contact with the blocking plate 16, a staple pushing plate 8 is disposed on the inner wall of the staple cartridge seat 6, and uniformly distributed staples 7 are disposed on the top of the staple pushing plate 8.

Referring to fig. 2 and 4, the inner wall of the nail bin seat 6 is provided with an assembly push block 11 which is in transmission connection with the stapler body 1 and is positioned on the inner wall of the nail bin seat 6 to slide, the left side of the assembly push block 11 is fixedly connected with a driving seat 12 with an inclined side surface and contacted with a nail pushing plate 8, a cutting knife 10 is fixedly connected with the assembly push block 11, the opening edge of a cutting groove 17 is provided with a squeezing strip 19 which can be contacted with the cutting knife 10, when a medical worker uses the stapler body 1 and anastomoses a wound of a patient by pressing a closing handle 2 and an anastomotic handle 3, the assembly push block 11 can continuously slide towards the left side in the nail bin seat 6 by the transmission force given by the stapler body 1, and the driving seat 12 is contacted with the nail pushing plate 8 to push an anastomotic nail 7 out of the inside of the nail bin seat 6, the assembly push block 11 slides and cuts the wound of the patient by the cutting knife 10, the extrusion strip 19 that cutting groove 17 inner wall set up can contact with cutting knife 10 to give cutting knife 10 extrusion force from this, carry on spacingly to this both sides to cutting knife 10, avoid cutting knife 10 in the cutting that slides, take place the skew in cutting groove 17's inside, influence normal identical effect, and lead to the patient to be painful.

Referring to fig. 2 and 4, the two top pressure rods 9 are fixedly connected to two sides of the top of the active seat 12, the tops of the two top pressure rods 9 are in contact with the extrusion strip 19, when the cutting knife 10 slides inside the nail bin seat 6 through the component push block 11 and cuts the patient affected part in an anastomotic manner, the top pressure rods 9 can be in continuous contact with the extrusion strip 19, the extrusion strip 19 is deformed, the extrusion strip 19 and the cutting knife 10 can be in contact with each other to be more fit, and the limiting effect of the extrusion strip 19 on the pair of cutting knives 10 is increased.

Referring to fig. 7, fixedly connected with spring 15 between the inner wall left side of wire casing and barrier plate 16, the spacing groove that is linked together with the wire casing is seted up to the inner wall of nail anvil seat 5, the inner wall of spacing groove slides and has the stopper with barrier plate 16 fixed connection, when nail anvil seat 5 contacts with nail storehouse seat 6, and when the cutting knife 10 cuts the patient disease department and coincide and reach the leftmost side of cutting groove 17, can separate cutting knife 10 through barrier plate 16 and spring 15, and reduce the cutting knife 10 through 1 internal component of anastomat body when the cutting is anastomosed the brunt force, reduce patient's painful sense, spacing groove barrier plate 16 by the spacing groove with stopper assorted spacing groove to the displacement carries on spacingly, prevent that barrier plate 16 can't the displacement in the inside of wire casing, influence the effect of slowing down to cutting knife 10.

Referring to fig. 7, the inner wall left side of wire casing is provided with supplementary piece 14, the left side of baffler 16 is provided with the buffer block 13 that can contact with supplementary piece 14, supplementary piece 14 is the rubber material component with buffer block 13, contacts with baffler 16 when cutting knife 10 to when baffler 16 cushions gliding cutting knife 10, can contact buffer block 13 with supplementary piece 14, can improve the buffer power to cutting knife 10, make baffler 16 better to the buffering effect of cutting knife 10.

Referring to fig. 5 and 8, notches are formed in the top of the inner wall of the nail bin base 6 close to the two sides of the cutting groove 17, nail discharging grooves which are uniformly arranged and matched with the staples 7 are formed in the inner wall of each notch and the top of the nail bin base 6, a backing plate 18 matched with the notches is arranged at the bottom of the nail anvil base 5, and when a medical worker uses the stapler body 1 and makes the nail anvil base 5 and the nail bin base 6 contact, the backing plate 18 can be clamped into the notches, so that the clamping force of the tissue to be cut between the nail anvil base 5 and the nail bin base 6 can be increased, the situation that the tissue to be cut and matched slightly moves between the nail anvil base 5 and the nail bin base 6 in the matching process is prevented, and the matching effect is affected.

Referring to fig. 8, the inner wall of the nail anvil seat 5 is provided with a nail bending groove which is uniformly distributed and is matched with the nail discharging groove, and the width of the nail bending groove is larger than the width of the nail discharging groove, the backing plate 18 is positioned at the edge of the nail bending groove, the backing plate 18 is made of latex material, when the nail anvil seat 5 and the nail bin seat 6 clamp the tissue to be cut and anastomosed by using the anastomat body 1, the backing plate 18 made of rubber material can deform and increase the friction force between the nail bin seat 6 and the nail anvil seat 5 and the tissue to be cut, so that the tissue of a patient is not easy to loosen, and the pain of the patient is reduced.

The working principle of the invention is as follows: firstly, when a medical staff uses the anastomat body 1 and inosculates a wound of a patient by pressing the closing handle 2 and the inosculating handle 3, the component push block 11 can continuously slide towards the left side in the nail bin seat 6 through the transmission force given by the anastomat body 1, and the driving seat 12 is contacted with the nail pushing plate 8 and pushes the inosculating nail 7 out of the nail bin seat 6, the component push block 11 slides, and when the patient wound is cut through the cutting knife 10, the extrusion strip 19 arranged on the inner wall of the cutting groove 17 can be contacted with the cutting knife 10 and gives extrusion force to the cutting knife 10, so as to limit the two sides of the cutting knife 10, and avoid the deviation in the cutting groove 17 when the cutting knife 10 slides to cut, which affects the normal anastomosis effect and can cause pain of the patient, and then, the cutting knife 10 slides in the nail bin seat 6 through the component push block 11 and cuts and inosculates the patient wound, the top pressure rod 9 can constantly contact with the extrusion strip 19, and make the extrusion strip 19 deform, can make contact between extrusion strip 19 and the cutting knife 10 more laminate, increase the limiting displacement of extrusion strip 19 to the cutting knife 10, then can separate cutting knife 10 through baffler 16 and spring 15, and reduce the pause and contusion force of cutting knife 10 when the cutting is anastomosed through the inside subassembly of anastomat body 1, reduce the painful sense of patient, when medical personnel is using anastomat body 1 and making nail anvil block 5 and nail storehouse seat 6 contact, backing plate 18 can be blocked into the inside of notch, from this, can increase the clamping force to the tissue of department that needs to be cut between nail storehouse seat 6 and the nail anvil block 5, prevent in anastomotic in-process, the tissue that needs to cut anastomotic slightly moves between nail anvil block 5 and nail storehouse seat 6, influence the anastomotic effect.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a take cutting device's linear type anastomat, includes anastomat body (1) and subassembly connecting pipe (4), the bottom of anastomat body (1) is articulated to have coincide handle (3) and closed handle (2) by left to right transmission in proper order, be provided with connecting sleeve, its characterized in that between anastomat body (1) and subassembly connecting pipe (4): the inner wall fixedly connected with nail anvil block (5) of subassembly connecting pipe (4), the wire casing has been seted up to the inner wall of nail anvil block (5), the inner wall sliding connection of wire casing has baffler board (16), the inner wall of nail anvil block (5) articulates there is nail storehouse seat (6), the inner wall of nail storehouse seat (6) begin to have and cut groove (17) equal and with the assorted of baffler board (16) with the wire casing width, the inside sliding connection of cutting groove (17) has cutting knife (10), cutting knife (10) can contact with baffler board (16), the inner wall of nail storehouse seat (6) is provided with ejector pin board (8), the top of ejector pin board (8) is provided with evenly distributed's coincide nail (7).

2. The linear stapler with cutting device according to claim 1, wherein: the inner wall of the nail bin seat (6) is provided with an assembly push block (11) which is in transmission connection with the anastomat body (1) and is located on the inner wall of the nail bin seat (6) in a sliding mode, the left side of the assembly push block (11) is fixedly connected with a driving seat (12) which is inclined in side face and is in contact with the nail pushing plate (8), the cutting knife (10) is fixedly connected with the assembly push block (11), and an extrusion strip (19) which can be in contact with the cutting knife (10) is arranged at the opening edge of the cutting groove (17).

3. The linear stapler with cutting device according to claim 2, wherein: two top pressure rods (9) are fixedly connected to two sides of the top of the active seat (12), and the tops of the two top pressure rods (9) are in contact with the extrusion strip (19).

4. The linear stapler with cutting device according to claim 1, wherein: the nail anvil block is characterized in that a spring (15) is fixedly connected between the left side of the inner wall of the wire groove and the blocking plate (16), a limiting groove communicated with the wire groove is formed in the inner wall of the nail anvil block (5), and a limiting block fixedly connected with the blocking plate (16) is arranged on the inner wall of the limiting groove in a sliding mode.

5. The linear stapler with cutting device according to claim 4, wherein: the inner wall left side of wire casing is provided with auxiliary block (14), the left side of baffler (16) is provided with buffer block (13) that can contact with auxiliary block (14), auxiliary block (14) and buffer block (13) are the rubber material component.

6. The linear stapler with cutting device according to claim 1, wherein: notches are formed in the top of the inner wall of the nail bin seat (6) and close to the two sides of the cutting groove (17), nail outlet grooves which are uniformly arranged and matched with the anastomosis nails (7) are formed in the inner wall of each notch and the top of the nail bin seat (6), and backing plates (18) matched with the notches are arranged at the bottom of the nail anvil block (5).

7. The linear stapler with cutting device according to claim 6, wherein: the nail anvil block is characterized in that the inner wall of the nail anvil block (5) is provided with a bent nail groove which is uniformly distributed, matched with the nail discharging groove and wider than the nail discharging groove, the backing plate (18) is located at the edge of the bent nail groove, and the backing plate (18) is a latex component.