A degradable anastomotic clip and a release structure

Abstract

The utility model provides a degradable anastomotic clip and a release structure, comprising a main body and a clamping jaw, wherein the main body is made of elastic material and is provided with two opposite mounting seats that can be opened and closed elastically. The clamping jaws are installed in pairs at the two mounting seats of the main body, and the two clamping jaws have opposite teeth, and are elastically opened and closed through the mounting seats. The entire clamping jaw or the teeth are made of degradable material and a coating that can resist digestion by digestive fluid for a certain period of time. The anastomotic clip provided by the utility model is as simple to operate as the existing anastomotic clip. At the same time, since the material used to make the clamping jaws of the utility model is biodegradable, after a suitable period of time, it can be degraded under the digestive action of the gastrointestinal digestive fluid and the absorption action of the tissue, and automatically detached from the tissue, so that the anastomotic clip can be automatically detached after a specific period of time. In addition, since the teeth of the clamping jaws are degraded, the situation where the anastomotic clip scratches the user's stomach when moving in the stomach and intestines can also be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of anastomotic clips, in particular to a degradable anastomotic clip and a release structure. Background Art

[0002] Endoscopic anastomotic clips are inserted into the gastrointestinal lumen by a flexible gastrointestinal endoscope and can be released by a releaser to clamp large defects in gastrointestinal tissue. In appropriate wounds, anastomotic clips can replace surgical sutures or staples to achieve complete closure, so they are a new tool for completing non-invasive endoscopic treatment of the body surface through natural cavities such as the gastrointestinal tract. The clip cap of the anastomotic clip can be combined with negative pressure suction to absorb more tissue, so the anastomotic clip can clamp the entire layer of the gastrointestinal wall. When the clamping is shallow and does not reach the entire layer, the anastomotic clip can fall off by itself after the wound heals, while the anastomotic clip that partially clamps the entire layer of tissue can remain in the human body for a long time. Although all anastomotic clip products on the market have good biocompatibility, the remaining metal anastomotic clips can form artifacts in CT and MRI imaging, seriously affecting the image quality; due to the interference of the anastomotic clips, mild chronic inflammation may persist in local tissues, affecting the observation of the surface structure of the local mucosa under magnifying endoscopy; some patients cannot accept the long-term retention of anastomotic clips due to personal cognitive reasons and strongly request their removal, affecting the popularization of the application of anastomotic clips.

[0003] There are three main methods for endoscopic removal of existing anastomotic clips, including resection of tissue under the clip, mechanical shearing, and temperature-controlled deformation removal. A snare or other mucosal resection device can be used to remove the clamped tissue together with the anastomotic clip from below the clip. However, since the clamped tissue of the anastomotic clip can reach the muscular layer, a new tissue defect is formed on the wound surface after resection, and it is often necessary to use a trans-channel metal clip or other methods to close it, which makes the advantage of the easy operation of the anastomotic clip meaningless. Therefore, this method is rarely used in clinical practice. An endoscopic special shearing device for anastomotic clips has been launched on the market, which can cut off the connection between the two flaps of the anastomotic clip, thereby removing the severed tines of the anastomotic clip separately. However, the sharp edges of the tines may damage the gastrointestinal mucosa during the removal process. For products that connect the two flaps of the anastomotic clip, after the wrapped metal wire is removed under endoscopy, the two flaps can be separated without shearing, but the tissue damage during the removal process is similar to that of the shearing method. Currently, there are anastomotic clips made of temperature-changing memory metal materials on the market. This material is soft and easy to deform when soaked in a liquid around zero degrees Celsius. Based on this principle, in theory, the anastomotic clip that firmly clamps the tissue can be cooled and softened, and then clamped and pulled until it is deformed and then disengaged and removed. However, in the human body, it is almost impossible to remove a metal anastomotic clip that is in direct contact with living tissue and has heat exchange with it by low-temperature temperature change without damaging adjacent tissues.

[0004] To this end, the utility model provides a degradable anastomotic clip, which can be removed by biodegradation after clamping the wound surface for a suitable time to heal, without external intervention. The material used can maintain a suitable bite force and resist the corrosion of digestive fluid within a suitable time. Summary of the invention

[0005] The utility model solves the technical problems of the existing anastomotic clips and provides an anastomotic clip structure which is made of biodegradable materials and can be detached by itself.

[0006] In a first aspect, a degradable anastomotic clip is provided, comprising a main body and a clamping claw, wherein:

[0007] The main body is made of elastic material and is provided with two opposite and elastically openable mounting seats. Before release, the two mounting seats are separated by maintaining elastic deformation through external force; when released, the external force is removed, and the two elastically openable mounting seats are matched to provide reliable clamping force.

[0008] The clamping jaws are mounted in pairs at two mounting seats of the main body, and the clamping jaws can be elastically opened and closed through the mounting seats. The front ends of the two clamping jaws have sharp teeth, and when the two mounting seats are close to each other, the sharp teeth on both sides are opposite to each other, and can achieve tissue clamping through meshing.

[0009] The entire jaw or the teeth are made of degradable material, which can be degraded by living tissue after a suitable period of time, thereby allowing the local tissue to be non-invasively separated from the anastomotic clamp.

[0010] The anastomotic clamp provided by the utility model is composed of two parts, namely a main body which is elastic and can provide clamping force, and a clamping claw with a clamping function. When in use, it has the advantage of simple operation like the existing anastomotic clamp. The clamping claw provided by the utility model is made of degradable material, which can be absorbed and degraded by tissues, so as to realize automatic detachment of the anastomotic clamp. In addition, since the sharp teeth of the clamping claw are degraded, it can be completely avoided that the sharp tooth ends scratch the mucosal tissue when moving in the stomach and intestines.

[0011] Preferably, the number of teeth on the two clamping jaws is n or n+1 respectively.

[0012] Preferably, one of the clamping jaws has four teeth and the other clamping jaw has five teeth, which can effectively stagger and clamp the wound.

[0013] Preferably, the surface of the degradable material is provided with a coating that resists the digestive juices in the stomach and intestines. The coating can resist the digestive effect of the digestive juices in the stomach and intestines within a suitable period of time, thereby preventing the jaws from falling off before the wound is healed. When the coating is dissolved or washed off, the digestive juice directly contacts the degradable material, thereby accelerating the dissolution of the jaws. The use of this combination of materials that dissolves slowly at first and then quickly can effectively ensure the healing of the wound.

[0014] Preferably, the coating is paraffin oil or Teflon.

[0015] Preferably, the main body is a quadrilateral frame, the two mounting seats are arranged in the middle of two opposite sides, and the other two opposite sides are arc-shaped, the arc is concave inward or convex outward, forming an arc-shaped elastic edge, wherein the outward convex structure is adopted, the size of the main body is smaller, but compared with the concave structure, it has the same clamping range.

[0016] Preferably, one end of the clamping claw facing the mounting seat is tightly attached to the outside of the mounting seat, and the connection is firm and reliable.

[0017] Preferably, in order to improve the mounting firmness between the mounting seat and the clamping jaw, a concave-convex limiting structure is provided between the clamping jaw and the mounting seat, and the concave-convex limiting structure can engage with the clamping jaw to prevent falling off.

[0018] Preferably, the elastic material is a titanium alloy, which has good elasticity and memory properties. At the same time, the human body has little rejection of this type of material, and the degradable material is a magnesium alloy, which can be absorbed by tissues.

[0019] In a second aspect, a release structure is provided, including an anastomotic clip and a releaser, wherein the anastomotic clip is the degradable anastomotic clip described in the first aspect.

[0020] The head of the releaser is used for placing the anastomotic clip in the expanded state. Specifically, the head is tubular and has two opposite notches at the end. After the anastomotic clip is expanded and sleeved on the head of the releaser, the position of the clamping claws is staggered from the notches. When the releaser is pressed against the wound surface, due to the presence of the notches and in combination with negative pressure suction, the soft gastrointestinal tissue is more easily trapped in the notches of the head. When the anastomotic clip is released from the releaser, it can clamp more gastrointestinal tissue and firmly clamp the wound surface to prevent the wound surface from being exposed to digestive fluid and causing tissue damage.

[0021] Preferably, the notch is U-shaped and the opening is expanded, which is conducive to the soft gastrointestinal tissue to sink into the notch of the head.

[0022] Preferably, the releaser further comprises a push ring, and the push ring and the anastomotic clip are sequentially sleeved on the head of the releaser, and the push ring is located above the anastomotic clip and can push and release the anastomotic clip.

[0023] Preferably, the anastomotic clip can be expanded by using an expansion rod and mounted on a releaser. The expansion rod is tapered at one end and its diameter increases steplessly toward the other end until it exceeds the diameter of the releaser.

[0024] Preferably, a supporting step is provided at the root of the head, and a concave-convex positioning structure is provided between the push ring and the supporting step.

[0025] Preferably, the body of the head is provided with a small opening, the opening and the two notches are staggered, a pull rope passes through the hole in the middle of the releaser and extends from the opening to connect the push ring, and the position where the pull rope and the push ring are connected is in the same direction as the side of the anastomotic clamp with more teeth.

[0026] From the above description of the utility model, it can be seen that the utility model has the following beneficial effects:

[0027] The anastomotic clip provided by the utility model is composed of two parts, namely a main body with elasticity and capable of providing clamping force and a clamping claw with a clamping function. When used, it has the advantage of being easy to operate like the existing anastomotic clip. Since the clamping claw provided by the utility model is made of degradable material, it can be absorbed and degraded by tissues, thereby realizing automatic detachment of the anastomotic clip.

[0028] Since the teeth of the clamp are made of degradable material, it can avoid the damage to the tissue when the sharp teeth move in the gastrointestinal lumen after the anastomotic clip is detached;

[0029] The two ends of the main body adopt an outward convex structure. Compared with the concave structure, the size of the main body is smaller, but the clamping range (caliber) is the same;

[0030] The mounting seat and the clamping jaw adopt a slot-type sleeve docking method, which can improve the balance of the supporting force of the mounting seat on the clamping jaw;

[0031] The elastic material is made of titanium alloy, which has good elasticity and memory properties. At the same time, the human body has little rejection of this type of material, and the degradable material is a magnesium alloy, which can be degraded by tissues.

[0032] The head of the releaser provided by the utility model is provided with two notches. When in contact with gastrointestinal wound tissue, with the help of negative pressure suction, the soft gastrointestinal tissue is more easily trapped in the notches of the head. When the anastomotic clip is released from the releaser, more gastrointestinal tissue can be clamped to firmly clamp the wound surface.

[0033] The position where the push ring is connected to the pull rope is in the same direction as the side of the anastomotic clamp with more teeth, which can provide greater thrust for the side of the anastomotic clamp with more teeth, thereby preventing this side from being difficult to push out due to the large number of teeth and great resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0035] in:

[0036] Figure 1This is an axial view of a biodegradable anastomotic clip (the curved elastic edge is concave)

[0037] Figure 2 A front view of a degradable anastomotic clip (the curved elastic edge is concave)

[0038] Figure 3 A side view of a biodegradable anastomotic clip (the curved elastic edge is concave)

[0039] Figure 4 A top view of a biodegradable anastomotic clip (the curved elastic edge is concave)

[0040] Figure 5 A schematic diagram of the opening of a degradable anastomotic clip Figure 1 ; (arc-shaped elastic edge concave)

[0041] Figure 6 A schematic diagram of the opening of a degradable anastomotic clip Figure 2 ; (arc-shaped elastic edge concave)

[0042] Figure 7 A schematic diagram of the opening of a degradable anastomotic clip Figure 3 ; (arc-shaped elastic edge concave)

[0043] Figure 8 A schematic diagram of the opening of a degradable anastomotic clip Figure 4 ; (arc-shaped elastic edge concave)

[0044] Fig. 9 It is the axial view of the main body; (the arc-shaped elastic edge is concave)

[0045] Fig.10 This is the front view of the main body; (the arc-shaped elastic edge is concave)

[0046] Fig.11 This is the axial side view of the clamping jaw; (the arc-shaped elastic edge is concave)

[0047] Fig.12 This is the side view of the clamping jaw; (the arc-shaped elastic edge is concave)

[0048] Fig.13 This is a cross-sectional view of the gripper: Fig.12 AA)

[0049] Fig.14 This is an axial view of a biodegradable anastomotic clip (the curved elastic edge is concave outward)

[0050] Fig.15 A front view of a degradable anastomotic clip (the curved elastic edge is concave outward)

[0051] Fig.16 A side view of a biodegradable anastomotic clip (the curved elastic edge is concave outward)

[0052] Fig.17 A top view of a biodegradable anastomotic clip (the curved elastic edge is concave outward)

[0053] Fig.18 A schematic diagram of the opening of a degradable anastomotic clip Figure 1 ; (arc-shaped elastic edge is concave)

[0054] Fig.19 A schematic diagram of the opening of a degradable anastomotic clip Figure 2 ; (arc-shaped elastic edge is concave)

[0055] Fig. 20 A schematic diagram of the opening of a degradable anastomotic clip Figure 3 ; (arc-shaped elastic edge is concave)

[0056] Fig.21 A schematic diagram of the opening of a degradable anastomotic clip Figure 4 ; (arc-shaped elastic edge is concave)

[0057] Fig. 22 It is the axial view of the main body; (the arc-shaped elastic edge is concave outward)

[0058] Fig.23 This is the assembly diagram of the anastomotic clip and the releaser. Figure 1 ; (arc-shaped elastic edge is concave)

[0059] Fig.24 This is the assembly diagram of the anastomotic clip and the releaser. Figure 2 ; (arc-shaped elastic edge is concave)

[0060] Fig.25 This is the assembly diagram of the anastomotic clip and the releaser. Figure 3 ; (arc-shaped elastic edge is concave)

[0061] Fig.26 This is the assembly diagram of the anastomotic clip and the releaser. Figure 4 ; (arc-shaped elastic edge is concave)

[0062] Fig. 27 is a front view of the spreader bar;

[0063] Figures 1 to 27 The symbols in the figure are: anastomotic clip 1, main body 11, mounting seat 111, arc-shaped elastic edge 112, clamping claw 12, teeth 121, releaser 2, head 21, notch 211, perforation 212, push ring 22, and expansion rod 23. DETAILED DESCRIPTION

[0064] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and more understandable, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention and are not used to limit the present invention.

[0065] See also Figures 1 to 22 A degradable anastomotic clip 1 comprises a main body 11 and a clamping jaw 12, wherein:

[0066] The main body 11 is made of elastic material and is provided with two opposite and elastically openable mounting seats 111. When in use, the two mounting seats 111 can be separated by elastic deformation. After that, the external force can be removed to allow the two mounting seats 111 to approach again, thereby having a reliable clamping force.

[0067] In one embodiment, the elastic material is a titanium alloy, which has good elasticity and memory properties. At the same time, the human body has little rejection to this type of material.

[0068] In addition, in one embodiment, the peripheral edges and corners of the main body 11 are chamfered to prevent scratching of tissues. At the same time, the overall structure is a quadrilateral frame, and the two mounting seats 111 are arranged in the middle of two opposite sides, and the other two opposite sides are arc-shaped, and the arc is concave inward or convex outward to form an arc-shaped elastic edge 112. Among them, the outward convex structure is adopted, and the size of the main body 11 is smaller, but compared with the concave structure, it has the same clamping range.

[0069] The clamping jaws 12 are installed in pairs at the two mounting seats 111 of the main body 11, and the teeth 121 of the two clamping jaws 12 are opposite to each other and are elastically opened and closed through the mounting seats 111, so that when the two mounting seats 111 are close to each other, the teeth 121 on both sides can achieve a clamping action by meshing.

[0070] The number of teeth 121 of the two clamping jaws 12 is n or n+1 respectively. In the present embodiment, the number of teeth 121 of one clamping jaw 12 is four, and the number of teeth 121 of the other clamping jaw 12 is five, which can effectively align and clamp the wound surface. In addition, in order to further improve the clamping effect, the teeth 121 of the clamping jaw 12 are sharp teeth 121, and the teeth 121 are tapered as a whole, and a pointed head with a reduced size is also provided at the end.

[0071] On the basis of the above embodiment, in one embodiment, one end of the clamping jaw 12 facing the mounting seat 111 is tightly attached to the outside of the mounting seat 111, and the connection is firm and reliable. Preferably, in order to improve the firmness of the mounting between the mounting seat 111 and the clamping jaw 12, in other embodiments, a concave and convex limiting structure is provided between the clamping jaw 12 and the mounting seat 111, and the concave and convex limiting structure can bite each other to prevent falling off.

[0072] The entire jaw 12 or the teeth 121 are made of a degradable material that can be degraded by tissue, so that the anastomotic clip 1 can release the clamping position and automatically fall off. Preferably, the degradable material is a magnesium alloy that can be degraded by gastrointestinal tissue.

[0073] In one embodiment, the surface of the degradable material is provided with a coating that resists the digestive juice in the stomach and intestines. The coating can resist the digestive effect of the digestive juice in the stomach and intestines within a suitable time, so as to prevent the jaws from falling off before the wound is healed. When the coating is dissolved or washed off, the digestive juice directly contacts the degradable material, thereby accelerating the dissolution of the jaws 12. The combination of dissolving materials slowly at first and then quickly can effectively ensure the healing of the wound. Preferably, the coating is paraffin oil or Teflon.

[0074] The anastomotic clip 1 provided by the utility model is composed of two parts, namely a main body 11 which is elastic and can provide clamping force, and a clamping claw 12 which has a clamping function. When in use, it has the advantage of being easy to operate, just like the existing anastomotic clip 1. The clamping claw 12 provided by the utility model is made of degradable material and can be degraded by gastrointestinal tissue to achieve automatic detachment of the anastomotic clip 1. In addition, since the teeth 121 of the clamping claw 12 are degraded, it can also be avoided that after the anastomotic clip 1 is detached, the damage to the tissue caused by the sharp teeth when it moves in the gastrointestinal lumen can be avoided.

[0075] See also Figure 23 to Figure 27 In another embodiment, a release structure is provided, including an anastomotic clip 1 and a releaser 2, wherein the anastomotic clip 1 adopts the degradable anastomotic clip 1 described in the above embodiment.

[0076] The releaser 2 includes a head 21 for placing the anastomotic clip 1 in the expanded state. Specifically, the head 21 is tubular and has two opposite notches 211 at the end. After the anastomotic clip 1 is expanded and sleeved on the head 21 of the releaser 2, the clamping jaws 12 are staggered from the notches 211. When the releaser 2 is pressed against the wound position, due to the presence of the notches 211, the soft gastrointestinal tissue is more easily trapped in the notch in the middle of the head 21. When the anastomotic clip 1 withdraws from the releaser 2, more gastrointestinal tissue can be clamped.

[0077] Preferably, the notch 211 is U-shaped and has an expanded opening, which is conducive to the soft gastrointestinal tissue to sink into the notch of the head 21.

[0078] On the basis of the above embodiment, in one embodiment, the releaser 2 further includes a push ring 22 , and the push ring 22 and the anastomotic clip 1 are sequentially sleeved into the head 21 of the releaser 2 .

[0079] The anastomotic clip can be expanded by an expansion rod 23 and installed on the releaser. The expansion rod 23 is tapered at one end and its diameter increases steplessly toward the other end until it exceeds the diameter of the releaser. The anastomotic clip 1 can be gradually expanded so that it can be mounted on the head 21 of the releaser 2.

[0080] In this embodiment, a support step is provided at the root of the head 21, and a concave-convex positioning structure is provided between the push ring 22 and the support step. In addition, an opening 212 is provided at the periphery of the head 21, and the opening 212 and the two notches 211 are staggered. A pull rope passes through the hole in the middle of the releaser 2 and extends from the opening 212 and is connected to the push ring 22. The position where the pull rope and the push ring 22 are connected is in the same direction as the side of the anastomotic clip 1 with more teeth 121, which can provide a greater thrust for the side of the anastomotic clip 1 with more teeth 121, thereby preventing this side from being difficult to push out due to the large number of teeth 121 and the large resistance.

[0081] In addition, in order to improve the convenience of installing the stapler on the releaser 2, the end of the expansion rod 23 is provided with a step for inserting into the opening of the head 21 of the releaser 2. When the expansion rod 23 and the head 21 of the releaser 2 are docked, the end diameter of the expansion rod 23 is equal to the diameter of the head 21, and the stapler transitions smoothly between the two.

[0082] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0083] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0084] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0085] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0086] In the present utility model, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0087] Although the above embodiments have been shown and described, it is to be understood that the above embodiments are illustrative and cannot be construed as limitations on the present invention. Changes, modifications, substitutions and variations of the above embodiments by those of ordinary skill in the art are all within the scope of protection of the present invention.

Claims

1. A degradable anastomotic clip, characterized in that: including a main body and a clamping jaw; The main body is made of elastic material and is provided with two opposite mounting seats that can be opened and closed elastically. Before release, the two mounting seats are separated by elastic deformation maintained by external force. When released, the external force is removed and the two mounting seats are aligned. The clamping jaws are installed in pairs at two mounting seats of the main body, and the two clamping jaws have opposite teeth and are elastically opened and closed through the mounting seats; the entire clamping jaw or the teeth are made of degradable materials.

2. The degradable anastomotic clip according to claim 1, characterized in that: The number of teeth of the two clamping jaws is n and n+1 respectively, or the number of teeth of one clamping jaw is four and the number of teeth of the other clamping jaw is five.

3. The degradable anastomotic clip according to claim 1, characterized in that: The surface of the degradable material is provided with a coating that resists digestive juice in the stomach and intestines, or the surface of the degradable material is covered with paraffin oil or Teflon.

4. The degradable anastomotic clip according to claim 1, characterized in that: The main body is in the form of a quadrilateral frame, the two mounting seats are arranged at the middle of two opposite sides, and the other two opposite sides are in an arc shape, the arc shape is concave inwards or convex outwards, forming an arc elastic side.

5. The degradable anastomotic clip according to claim 1, characterized in that: The clamping claw covers one end of the mounting seat and is closely attached to the outside of the mounting seat.

6. The degradable anastomotic clip according to claim 5, characterized in that: A concave and convex limiting structure is provided between the clamping jaws and the mounting seat.

7. The degradable anastomotic clip according to claim 1, characterized in that: The elastic material is a titanium alloy, and the degradable material is a magnesium alloy.

8. A release structure, characterized in that: It comprises an anastomosis clip and a releaser, wherein the anastomosis clip is the degradable anastomosis clip according to any one of claims 1 to 7; the releaser comprises a head for placing the anastomosis clip in an expanded state, the head is tubular, and two opposite notches are provided at the end thereof, after the anastomosis clip is expanded and sleeved on the head of the releaser, the installation position of the clamping jaws is staggered with the notches.

9. A release structure according to claim 8, characterized in that: The notch is U-shaped, and the opening is expanded.

10. A release structure according to claim 8, characterized in that: The releaser also includes a push ring, and the push ring and the anastomotic clamp are sequentially sleeved on the head of the releaser.

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