CN211270959U

CN211270959U - Tissue closing clamp

Info

Publication number: CN211270959U
Application number: CN201922209129.4U
Authority: CN
Inventors: 贡艳; 冯瑞茹; 胡绍显; 李亚军; 邵青青
Original assignee: Nanjing Dongwan Biotechnology Co ltd
Current assignee: Nanjing Dongwan Biotechnology Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-08-18
Anticipated expiration: 2029-12-11

Abstract

The utility model relates to a tissue closing clamp, which comprises a first clamping arm and a second clamping arm, wherein one end of the first clamping arm is connected with one end of the second clamping arm through a connecting end; the other end of the first clamping arm is sequentially connected with a first arc-shaped part, a first connecting part, a second arc-shaped part and a buckling part, the first connecting part is arranged downwards and outwards in an inclined mode, the buckling part is arranged upwards in an inclined mode, the inner side face of the buckling part is arranged to be an inclined face which inclines outwards, and the outer side face of the buckling part is arranged to be an inclined face which inclines inwards; the other end of second arm lock has connected gradually third arc portion, second connecting portion, fourth arc portion, pothook, and the one end downwardly curved that is connected with the second arm lock in the third arc portion, the one end kickup that is connected with the second connecting portion in the third arc portion, the vertical setting of second connecting portion, the downward and leanin setting of pothook, the inside and outside limit of pothook establish to the inclined plane the same with the medial surface gradient of buckling part. The utility model discloses simple structure, clamping capacity are strong, are difficult for droing.

Description

Tissue closing clamp

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a tissue closure presss from both sides.

Background

To fully expose the surgical field during surgery, it is necessary to ligate the severed blood vessels within the incision to prevent bleeding. Hemostasis has become one of the cores of basic surgical techniques, and surgical operations at any part of the human body involve bleeding and hemostasis almost without exception. The tissue clamp is widely applied clinically due to the advantages of convenient clamping and rapid hemostasis. However, after the existing tissue clip clamps the tissue, the elastic restoring force of the clamped tissue causes the tissue clip to slip, which not only can not play a role of tissue closure, but also is easy to slip off and become foreign matters in vivo, thus causing other pathogens of the human body.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a closed clamp of tissue that simple structure, clamp closed ability reinforce are difficult for droing.

The utility model relates to a tissue closing clamp, which comprises a first clamping arm and a second clamping arm, wherein one end of the first clamping arm is connected with one end of the second clamping arm through a connecting end;

the other end of the first clamping arm is sequentially connected with a first arc-shaped part, a first connecting part, a second arc-shaped part and a buckling part, the first connecting part is arranged downwards and outwards in an inclined mode, the buckling part is arranged upwards in an inclined mode, the inner side face of the buckling part is an inclined face which inclines outwards, and the outer side face of the buckling part is an inclined face which inclines inwards;

the other end of the second clamping arm is sequentially connected with a third arc-shaped part, a second connecting part, a fourth arc-shaped part and a clamping hook, one end of the third arc-shaped part, which is connected with the second clamping arm, is bent downwards, one end of the third arc-shaped part, which is connected with the second connecting part, is bent upwards, the second connecting part is vertically arranged, the clamping hook is obliquely arranged downwards and inwards, and the inner side and the outer side of the clamping hook are inclined planes with the same inclination as the inner side of the buckling part;

the inboard of first arm lock is equipped with a plurality of lugs along its length direction equidistance, the inboard of second arm lock be equipped with along its length direction equidistance a plurality of with lug complex recess.

Preferably, the clamping device further comprises a first clamping column and a second clamping column, wherein the first clamping column is arranged at one end, close to the first arc-shaped part, of the first clamping arm, and the second clamping column is arranged at a corner between the second clamping arm and the third arc-shaped part; the first clamping portion is embedded in the first clamping arm, and the second clamping column is embedded in a corner between the second clamping arm and the third arc-shaped portion.

In any of the above embodiments, preferably, the connecting end is provided in an annular structure.

In any of the above schemes, preferably, an arc-shaped groove is provided in the second arc-shaped portion, and the arc-shaped groove transversely penetrates through the second arc-shaped portion.

In any of the above schemes, preferably, two ends of the projection are respectively provided with a distance from the edge of the first clamping arm.

In any one of the above schemes, preferably, the bump includes a first arc-shaped section, a transition section, and a second arc-shaped section, the first arc-shaped section, the transition section, and the second arc-shaped section are connected in sequence, and the first arc-shaped section and the second arc-shaped section are arranged in a central symmetry manner.

In any of the above aspects, preferably, the tissue closure clip is of an integrally formed construction.

In any of the above schemes, preferably, the tissue closure clip is made of magnesium alloy material.

Compared with the prior art, the utility model has the advantages and beneficial effects do:

1. the lateral surface of the clamping hook is an inclined surface, and when the first clamping arm moves downwards, the second arc-shaped part moves downwards along the lateral surface of the clamping hook, so that the movement of the second arc-shaped part is guided. The inclined plane of buckling part medial surface is the same with the inclined plane inclination of pothook medial surface, can guarantee both and closely laminate to guarantee lock structural stability under the restriction effect each other. The inclined plane of buckling part lateral surface is the leanin, and second arc portion is when the lateral surface downstream along the pothook, can guarantee that buckling part's lateral surface does not contact with the buckle as far as possible to guarantee that first arm lock and second arm lock realize quick lock. In addition, if the elastic restoring force of the clamped tissue is recovered, the mutual restriction acting force between the clamping hook and the buckling part under the action of the elastic jacking force of the tissue is increased, the buckling structure between the clamping hook and the buckling part is more stable, the self-locking function is realized, and the slipping phenomenon cannot occur.

2. Through setting up the lug and rather than the recess of cooperation connection, increased first arm lock and second arm lock respectively with by the area of contact of pressing from both sides the tissue to strengthen the clamping-force to being pressed from both sides the tissue. The structural design of lug and both ends have certain distance with the edge of first arm lock respectively, and lug and recess cooperation make, and the cooperation between the two makes and has horizontal limiting displacement between first arm lock and the second arm lock, prevents to appear transversely misplacing between first arm lock and the second arm lock, avoids the emergence of slippage phenomenon. In addition, the overall structure of the lug adopts a curved surface structure design, and the curved surface structure can be better attached to the tissue, so that the damage to the tissue is reduced.

The following describes a tissue closure clip according to the present invention with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of the open tissue closure clip of the present invention;

FIG. 2 is a schematic view of the closed tissue closure clip of the present invention;

FIG. 3 is a view showing a structure of a mounting structure of a projection of a tissue closure clip on a first clip arm;

wherein: 1. a first clamp arm; 11. a bump; 111. a first arcuate segment; 112. a transition section; 113. a second arcuate segment; 12. a first arcuate portion; 13. a first connection portion; 14. a second arcuate portion; 15. a buckling part; 16. an arc-shaped slot; 2. a second clamp arm; 21. a groove; 22. a third arc-shaped portion; 23. a second connecting portion; 24. a fourth arc-shaped portion; 25. a hook; 3. a connecting end; 4. a first clamping column; 5. a second clamping post.

Detailed Description

As shown in fig. 1-2, the present invention provides a tissue closure clip, which comprises a first clip arm 1 and a second clip arm 2, wherein one end of the first clip arm 1 is connected to one end of the second clip arm 2 through a connecting end 3;

the other end of the first clamping arm 1 is sequentially connected with a first arc-shaped part 12, a first connecting part 13, a second arc-shaped part 14 and a buckling part 15, the first connecting part 13 is arranged downwards and outwards in an inclined mode, the buckling part 15 is arranged upwards in an inclined mode, the inner side face of the buckling part 15 is an inclined face which inclines outwards, and the outer side face of the buckling part 15 is an inclined face which inclines inwards;

the other end of second arm lock 2 has connected gradually third arc portion 22, second connecting portion 23, fourth arc portion 24, pothook 25, the one end downwardly curved that is connected with second arm lock 2 on the third arc portion 22, the one end kickup that is connected with second connecting portion 23 on the third arc portion 22, the vertical setting of second connecting portion 23, pothook 25 just slopes to the inside downwards and sets up, the inside and outside limit of pothook 25 establishes to the inclined plane the same with the medial surface gradient of buckling portion 15.

The tissue closing clamp of the utility model is used in cooperation with the clamping clamp, when the tissue is clamped, the first clamping arm 1 and the second clamping arm 2 move oppositely, the second arc-shaped part 14 moves downwards along the outer side surface of the clamping hook 25, and the second arc-shaped part 14 and the clamping hook 25 are extruded mutually, so that the radians of the second arc-shaped part 14 and the fourth arc-shaped part 24 are contracted, and the buckling part 15 and the clamping hook 25 are pulled respectively; the first clamping arm 1 and the second clamping arm 2 continue to move towards each other, and the buckling part 15 slides into the accommodating cavity at the end part of the second clamping arm 2 and is buckled and abutted with the clamping hook 25, so that the closing action of the tissue closing clamp is completed.

In this embodiment, the outer side surface of the hook 25 is an inclined surface, and when the first clamping arm 1 moves downward, the second arc-shaped portion 14 moves downward along the outer side surface of the hook 25, so as to guide the movement of the second arc-shaped portion 14. The slope of the inner side surface of the buckling part 15 is the same as the slope of the inner side surface of the clamping hook 25, so that the two parts can be tightly attached, and the stability of the buckling structure can be guaranteed under the mutual restriction action. The inclined plane of 15 lateral surfaces of buckling portion is inwards inclined, and second arc portion 14 is when the lateral surface downstream along pothook 25, can guarantee that 15 lateral surfaces of buckling portion do not contact with the buckle as far as possible to guarantee that first arm lock 1 and second arm lock 2 realize quick lock. In addition, if the elastic restoring force of the clamped tissue is recovered, the mutual restriction acting force between the hook 25 and the buckling part 15 under the action of the elastic jacking force of the tissue is increased, the buckling structure between the hook 25 and the buckling part is more stable, the self-locking function is realized, and the slipping phenomenon cannot occur.

As shown in fig. 1-3, the inner side of the first clip arm 1 is provided with a plurality of projections 11 at equal intervals along the length direction thereof, and the inner side of the second clip arm 2 is provided with a plurality of grooves 21 at equal intervals along the length direction thereof, wherein the grooves are matched with the projections 11. Through setting up lug 11 and rather than the recess 21 of being connected of cooperating, increased first arm lock 1 and second arm lock 2 respectively with by the area of contact of pressing from both sides the tissue to strengthen the clamping-force to being pressed from both sides the tissue.

Furthermore, two ends of the projection 11 are respectively provided with a distance from the edge of the first clamping arm 1. The bump 11 includes a first arc section 111, a transition section 112, and a second arc section 113, the first arc section 111, the transition section 112, and the second arc section 113 are connected in sequence, and the first arc section 111 and the second arc section 113 are arranged in a central symmetry manner. The structural design of lug 11 and both ends have certain distance with the edge of first arm lock 1 respectively, and lug 11 and recess 21 cooperation make, and the cooperation between the two makes and has horizontal limiting displacement between first arm lock 1 and the second arm lock 2, prevents to appear transversely misplacing between first arm lock 1 and the second arm lock 2, avoids the emergence of slippage phenomenon. In addition, the overall structure of the bump 11 adopts a curved surface structure design, and the curved surface structure can be better attached to the tissue, so that the damage to the tissue is reduced.

Further, the clamping device also comprises a first clamping column 4 and a second clamping column 5, wherein the first clamping column 4 is arranged at one end, close to the first arc-shaped part 12, of the first clamping arm 1, and the second clamping column 5 is arranged at a corner between the second clamping arm 2 and the third arc-shaped part 22; wherein, the part of first clamping part inlays on first arm lock 1, and the part of second centre gripping post 5 inlays in the corner between second arm lock 2 and third arc portion 22. The first clamping column 4 and the second clamping column 5 are respectively matched with a clamping structure of the clip applier to realize the clamping of the clip applier to the tissue closure clip. In addition, second centre gripping post 5 sets up the corner between second arm lock 2 and third arc portion 22, still has the effect of stable in structure between second arm lock 2 and the third arc portion 22, avoids first arm lock 1 and second arm lock 2 fracture phenomenon to appear when mutual lock.

Further, the connecting end 3 is designed to be of an annular structure, so that a certain deformation space is formed inside the connecting end 3, and failure and breakage in the clamping process are avoided.

Further, an arc-shaped slot 16 is arranged in the second arc-shaped part 14, and the arc-shaped slot 16 transversely penetrates through the second arc-shaped part 14. The arc-shaped groove 16 enables the second arc-shaped part 14 to have a certain deformation space when the clamping is deformed, so that the clamping is more flexible, and the failure and fracture in the clamping process are avoided.

Further, the tissue closure clip is an integrally formed structure.

Furthermore, the tissue closure clip is made of magnesium alloy materials. The magnesium alloy material has good mechanical property and biocompatibility.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. A tissue closure clip, comprising: the clamping device comprises a first clamping arm and a second clamping arm, wherein one end of the first clamping arm is connected with one end of the second clamping arm through a connecting end;

2. The tissue closure clip of claim 1, wherein: the clamping device also comprises a first clamping column and a second clamping column, wherein the first clamping column is arranged at one end, close to the first arc-shaped part, of the first clamping arm, and the second clamping column is arranged at a corner between the second clamping arm and the third arc-shaped part; the first clamping portion is embedded in the first clamping arm, and the second clamping column is embedded in a corner between the second clamping arm and the third arc-shaped portion.

3. The tissue closure clip of claim 1, wherein: the connecting end is of an annular structure.

4. The tissue closure clip of claim 1, wherein: an arc-shaped groove is arranged in the second arc-shaped part and transversely penetrates through the second arc-shaped part.

5. The tissue closure clip of claim 1, wherein: and two ends of the lug are respectively provided with a distance from the edge of the first clamping arm.

6. The tissue closure clip of claim 5, wherein: the lug includes first segmental arc, changeover portion, second segmental arc, first segmental arc, changeover portion, second segmental arc connect gradually, first segmental arc and second segmental arc central symmetry set up.

7. The tissue closure clip of claim 1, wherein: the tissue closure clip is of an integrally formed structure.

8. The tissue closure clip of claim 1, wherein: the tissue closure clip is made of magnesium alloy materials.