CN110859651B

CN110859651B - Detachable anastomosis clamp

Info

Publication number: CN110859651B
Application number: CN201910880854.6A
Authority: CN
Inventors: 杨光
Original assignee: Xiluojing Medical Technology Development Shanghai Co ltd
Current assignee: Xiluojing Medical Technology Development Shanghai Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-11-17
Anticipated expiration: 2039-09-18
Also published as: CN110859651A

Abstract

A detachable anastomosis clip at least comprises a clip frame, a first occlusion piece and a second occlusion piece, wherein the first occlusion piece and/or the second occlusion piece are/is connected with the clip frame in a detachable mode, at least one occlusion piece and the clip frame are designed to be detachable, when the anastomosis clip is taken out, the detachable occlusion piece can be separated from the clip frame firstly and then removed, and the anastomosis clip can be taken out safely and conveniently.

Description

Detachable anastomosis clamp

Technical Field

The invention relates to the field of anastomosis clamps, in particular to a detachable anastomosis clamp.

Background

The anastomotic clip can be used for fixation or marking, for example for fixing esophageal stents, intestinal stents or marking tissue locations, etc., and can also be used for anastomosis of tissue in the gastrointestinal tract (also applied in anal fistulas) for wound closure or hemostasis, for example in gastroscopic or laparoscopic or open surgery applications. When the anastomosis clamp is used for fixing a bracket, most of the brackets need to be taken out for the second time, and when the anastomosis clamp is used for anastomosis of tissues, the anastomosis clamp needs to be disassembled and taken out after an operation because the persistence in a body is worried about, and the existing anastomosis clamps are all designed in a single body mode, so that the disassembly difficulty is high, and the secondary wound is easy to occur. In view of the above problem, chinese patent 201820924609.1(CN209059324U) discloses a detachable anastomosis clip, but the binding type structure is complex, the parts are trivial, and the binding manner is easy to loosen, which results in unstable excitation force, insufficient occlusion force, and complicated detachment process. In addition, existing anastomosis clips have limited closing force, resulting in incomplete closure.

Disclosure of Invention

The invention provides a detachable anastomosis clamp which can solve the problems that the existing anastomosis clamp is not easy to detach, has a complex structure and/or is low in closing force and the like.

The scheme is as follows: a detachable anastomosis clip comprising at least a clip frame and first and second engaging members connected to said clip frame, wherein the first and/or second engaging members are detachably connected to said clip frame.

Further, the clip frame is a closed outer frame.

Further, the first engaging member and/or the second engaging member is a toothed plate connected to the inside of the closed outer frame, and the toothed plate has at least one tooth thereon.

Further, the closed outer frame comprises an upper arm, a left side arm, a lower arm and a right side arm, and the upper arm, the left side arm, the lower arm and the right side arm are sequentially connected to form the closed outer frame.

Further, the first and second engaging members are connected to the upper and lower arms, respectively, wherein the first engaging member is detachably connected to the upper arm and/or the second engaging member is detachably connected to the lower arm.

Further, the first and/or second engaging member comprises at least one fixing groove, and the clip frame comprises at least a protrusion which is in plug-fit engagement with the fixing groove.

Further, the fixing grooves include a first fixing groove and a second fixing groove which are provided at opposite sides of the engaging piece, and the clip frame includes a first protrusion and a second protrusion which are in insertion-fit with the first fixing groove and the second fixing groove.

Further, the fixing grooves further include a third fixing groove, the clip frame further includes a third protrusion engaged with the third fixing groove, and the third fixing groove and the first fixing groove are respectively located on opposite sides of the engaging piece or the third fixing groove and the second fixing groove are respectively located on opposite sides of the engaging piece.

Further, the second and third fixing grooves are respectively located at both sides of the first fixing groove, wherein the second and third fixing grooves are located at the same side of the engaging piece.

Further, a protruding portion or a fixing hole is arranged on the first fixing groove, a fixing hole or a protruding portion matched with the protruding portion is arranged on the first protrusion, and/or a protruding portion or a fixing hole is arranged on the second fixing groove, a fixing hole or a protruding portion matched with the protruding portion is arranged on the second protrusion, and/or a protruding portion or a fixing hole is arranged on the third fixing groove, and a fixing hole or a protruding portion matched with the protruding portion is arranged on the third protrusion.

Further, the protruding part is a hemispherical protrusion.

Further, the first and/or second engaging member is detachably connected to the clip frame by a tether line.

Further, the first meshing piece and/or the second meshing piece comprise a meshing body and a wire tying body fixedly connected with the meshing body, and the wire tying body comprises at least one wire tying hole; the clip frame includes a tether engaging portion that engages with the tether, the tether engaging portion including at least one hole that engages with a tether hole on the tether.

Furthermore, the wire tying body comprises a first wire tying body and a second wire tying body which are symmetrically fixed at two sides of the occlusion body, and the first wire tying body and the second wire tying body respectively comprise at least one wire tying hole; correspondingly, the wire tying body matching part comprises a first matching part and a second matching part which are matched with the first wire tying body and the second wire tying body, and the first matching part and the second matching part comprise holes matched with wire tying holes in the first wire tying body and the second wire tying body.

The occlusion body is fixedly connected with the first wire tying body, the second wire tying body and the occlusion body, and a third wire tying body is positioned below the first wire tying body and the second wire tying body; correspondingly, the wire tying body matching part comprises a third matching part matched with the third wire tying body, and the third matching part comprises at least one hole matched with the wire tying hole in the third wire tying body.

Further, the middle of the third tether body includes a waist-shaped hole, and the third fitting portion also includes a waist-shaped hole fitting with the waist-shaped hole.

Further, the first and/or second engaging piece comprises an engaging body, the engaging body comprises a first radial beam and a second radial beam, and the back surface of the first radial beam is recessed from the second radial beam to form a first recess; correspondingly, the clamp frame comprises a third radial beam and a fourth radial beam which are matched with the first radial beam and the second radial beam, and the back surface of the fourth radial beam is concave to the third radial beam to form a second concave part; the third radial beam is inserted in the first concave part, and the second radial beam is inserted in the second concave part; the second radial beam and/or the first radial beam comprises at least one wire tying hole, and the fourth radial beam and/or the third radial beam comprises at least one hole matched with the wire tying hole.

Furthermore, the front surface of the fourth radial beam protrudes from the third radial beam, and the front surface of the first radial beam protrudes from the second radial beam.

Further, the second radial beam further comprises a kidney-shaped hole located in the middle of the second radial beam, and correspondingly, the fourth radial beam further comprises a kidney-shaped hole matched with the second radial beam.

The first radial beam and the second radial beam are symmetrically arranged on two sides of the first radial beam; correspondingly, the clip frame includes a sixth radial beam cooperating with the fifth radial beam.

Further, the back surface of the fifth radial beam is concave to the second radial beam to form a third concave part; the sixth radial beam is inserted into the third recess.

Furthermore, the left side arm and the right side arm are of inner arc structures or outer arc structures.

Further, the width of the energy storage arc part on the left side arm and/or the right side arm is 1.2 mm.

Further, the first engagement member comprises 2, 5 or 7 teeth and the second engagement member comprises 1, 4 or 6 teeth, respectively, or the second engagement member comprises 2, 5 or 7 teeth and the first engagement member comprises 1, 4 or 6 teeth, respectively.

The present invention includes but is not limited to the following benefits:

1) at least one occluding piece and the clamp frame are designed to be detachable, when the anastomosis clamp is taken out, the detachable occluding piece and the clamp frame can be separated and then removed, and the anastomosis clamp can be safely and simply taken out;

2) the connection is disassembled through the clamping groove type, so that the disassembly is simple and convenient;

3) the clamping groove type connection is arranged on different side surfaces of the occluding part, so that the occluding part does not displace and is stably connected at the moment of clamping tissues after the anastomosis clip is excited;

4) through the composite fixing design of the clamping groove type, the protruding part and the hole anastomosis type, the anastomosis clamp can ensure that an occlusal member does not displace before and during excitation and can ensure that a wound of a patient can be conveniently detached and taken down after healing in the using process;

5) the occluding piece and the clamp frame are designed to be detachable through a wire tying mode, and when the anastomosis clamp is taken out, the occluding piece and the clamp frame can be separated only by detaching the wire tying, and the detachment can be facilitated;

6) the occluding piece and the clamp frame can be ensured to be stably connected through the radial rotating type connecting structure and can be stably connected in a line tying state;

7) the energy storage arc part is strengthened, so that the instant force when the anastomosis clip is excited is increased by about 190 percent, the gastrointestinal wound, leakage opening, bleeding point or fixation can be better anastomosed, and the next detachment is not influenced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the embodiments and the drawings used in the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a schematic view of a first detachable anastomosis clamp according to the present invention;

FIG. 2 is a first schematic view of a first engaging member of a first detachable anastomosis clip according to the present invention;

FIG. 3 is a second schematic view of a first engaging member of the first detachable anastomosis clip according to the present invention;

FIG. 4 is a schematic view of a first detachable anastomosis clamp structure provided in accordance with the present invention with a first engagement member removed;

FIG. 5 is an elevational view of a first removable anastomosis clip structure provided in accordance with the present invention;

FIG. 6 is a rear view of a first detachable anastomosis clamp structure provided in accordance with the present invention;

FIG. 7 is a first view illustrating a second engagement member of the first detachable anastomosis clip according to the present invention;

FIG. 8 is a second schematic view of a second engaging member of the first detachable anastomosis clip according to the present invention;

FIG. 9 is an elevational view of a first removable anastomosis clip structure provided in accordance with the present invention with a first engagement member removed;

FIG. 10 is a rear view of the first removable anastomosis clip structure provided in accordance with the present invention with the first engagement member removed;

FIG. 11 is a schematic view of a clip frame construction of a first detachable anastomosis clip provided in accordance with the present invention;

FIG. 12 is a schematic view of a second detachable anastomosis clamp provided in accordance with the present invention;

FIG. 13 is a schematic view of a third detachable anastomosis clamp provided in accordance with the present invention;

FIG. 14 is a schematic view of a fourth detachable anastomosis clip according to the present invention;

FIG. 15 is a schematic view of a fifth detachable anastomosis clamp provided in accordance with the present invention;

FIG. 16 is a schematic view of a sixth detachable anastomosis clamp provided in accordance with the present invention;

FIG. 17 is a schematic view of a seventh detachable anastomosis clip according to the present invention;

FIG. 18 is a schematic view of an eighth detachable anastomosis clip according to the present invention;

FIG. 19 is a schematic view of a ninth detachable anastomosis clip according to the present invention;

FIG. 20 is a schematic view of a tenth detachable anastomosis clip according to the present invention;

FIG. 21 is a schematic view of an eleventh detachable anastomosis clip according to the present invention;

FIG. 22 is a schematic view of a twelfth detachable anastomosis clip according to the present invention;

FIG. 23 is a schematic structural view of a thirteenth detachable anastomosis clip provided in accordance with the present invention;

FIG. 24 is a schematic view of a second engagement member of a thirteenth detachable anastomosis clip according to the present invention;

FIG. 25 is a schematic view of a thirteenth detachable anastomosis clip structure provided in accordance with the present invention with the second engagement member removed;

FIG. 26 is an elevational view of a thirteenth detachable anastomosis clip configuration provided in accordance with the present invention;

FIG. 27 is a schematic view of a fourteenth detachable anastomosis clip according to the present invention;

FIG. 28 is a schematic view of a second engagement member of a fourteenth detachable anastomosis clip according to the present invention;

FIG. 29 is a schematic view of a fourteenth detachable anastomosis clip structure provided in accordance with the present invention, with the second engagement member removed;

FIG. 30 is an elevational view of a fourteenth detachable anastomosis clip structure provided in accordance with the present invention;

FIG. 31 is a schematic view of a fifteenth releasable anastomosis clip provided in accordance with the present invention;

fig. 32 is a first schematic view of a second engaging member of a fifteenth detachable anastomosis clip structure according to the present invention;

FIG. 33 is a second schematic view of a second engaging member of a fifteenth detachable anastomosis clip structure according to the present invention;

FIG. 34 is a first schematic view of a fifteenth detachable anastomosis clip structure provided in accordance with the present invention, with the second engagement member removed;

FIG. 35 is a second schematic view of a fifteenth detachable anastomosis clip structure provided in accordance with the present invention, with the second engagement member removed;

FIG. 36 is an elevational view of a fifteenth releasable anastomosis clip structure provided in accordance with the present invention, with the second engagement member removed;

FIG. 37 is an elevational view of a fifteenth releasable anastomosis clip provided in accordance with the present invention;

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The following are detailed descriptions of the respective embodiments.

As shown in fig. 1-12, a detachable anastomosis clip comprises a clip frame 1 and a first engaging member 2 and a second engaging member 3 connected to said clip frame 1, wherein said first engaging member 2 and/or said second engaging member 3 is detachably connected to said clip frame 1. At least one occluding piece and the clamp frame are designed to be detachable, when the anastomosis clamp is taken out, the detachable occluding piece and the clamp frame can be firstly separated and then removed, and the anastomosis clamp can be safely and simply taken out. In practice, the skilled person may choose to arrange all of the engagement members in detachable connection with the frame of the clip, or one or more of them in detachable connection with the frame of the clip; furthermore, although the present embodiment is an arcuate anastomosis clip, it will be appreciated by those skilled in the art that the detachable engagement members may be used with anastomosis clips of other shapes, such as 3 and more engagement member profile anastomosis clips.

In this embodiment, the clip frame 1 is a closed outer frame. In the scheme, the closed outer frame is adopted, the appearance structure of the original single type anastomosis clamp is not changed on the basis of the existing single type anastomosis clamp, only the inner occluding piece is designed to be detachable, and the detachable type anastomosis clamp and the existing single type anastomosis clamp in the scheme can have the same outer frame structure, so that a clamping cap does not need to be designed independently, and certain advantages are achieved from the aspects of production, design and the like; in addition, the design of this scheme can also utilize current monomer formula to coincide to press from both sides, and processing/remodel on the basis of current monomer formula is coincided to press from both sides, only need with the inside interlock piece of current monomer formula is set to separation, dismantlement formula can.

In this embodiment, the first engaging member 2 and the second engaging member 3 are teeth plates connected to the inside of the closed outer frame, and the teeth plates have at least one tooth 4.

In this embodiment, the closed outer frame includes an upper arm 5, a left arm 6, a lower arm 7, and a right arm 8, and the upper arm 5, the left arm 6, the lower arm 7, and the right arm 8 are sequentially connected to form the closed outer frame.

In this embodiment, first engaging member 2 and second engaging member 3 are connected to said upper arm 5 and lower arm 7, respectively, wherein said first engaging member 2 is detachably connected to said upper arm 5 and/or said second engaging member 3 is detachably connected to said lower arm 7.

In this embodiment, the first engaging member 2 and/or the second engaging member 3 comprise at least one fixing groove, and the clip frame 1 comprises at least a protrusion which is in a plug-in fit with the fixing groove. The detachable connection of the occluding piece and the clip frame is realized through the slot and the convex clamping slot type matching. Of course, it will be appreciated by those skilled in the art that other detachable mechanical connections may be used in the present solution, such as a clamping connection or the like.

In this embodiment, the fixing grooves include a first fixing groove 9 and a second fixing groove 10, the first fixing groove 9 and the second fixing groove 10 are disposed on opposite sides of the engaging member 2(3), and the clip frame 1 includes a first protrusion 11 and a second protrusion 12 that are inserted into and fitted with the first fixing groove 9 and the second fixing groove 10. By providing first fixing groove 9 and second fixing groove 10 on opposite sides of engaging member 2(3), it is possible to fix engaging member 2(3) on both sides, respectively, for example, in this embodiment, first fixing groove 9 is responsible for fixing the rear portion of engaging member 2(3), and second fixing groove 10 is responsible for fixing the front portion of engaging member 2(3), so that it is possible to ensure that engaging member 2(3) does not displace at the moment when the anastomotic clip is activated to clamp the tissue.

In this embodiment, the fixing grooves further include a third fixing groove 13, the clip frame 1 further includes a third protrusion 14 inserted into and engaged with the third fixing groove 13, and the third fixing groove 13 and the first fixing groove 9 are respectively located on opposite sides of the engaging member 2(3) or the third fixing groove 13 and the second fixing groove 10 are respectively located on opposite sides of the engaging member 2 (3).

In this embodiment, the second fixing groove 10 and the third fixing groove 13 are respectively located at both sides of the first fixing groove 9, wherein the second fixing groove 10 and the third fixing groove 13 are located at the same side of the engaging member 2 (3). With this arrangement, the holding of engaging

members

2 and 3 can be stabilized, and it is possible to prevent engaging

members

2 and 3 from being displaced in the radial direction (left-right direction).

In this embodiment, the fixing groove is in the form of a stamping groove, and the stamping tongue-cutting process is performed on the engaging piece 2(3) with the same stamping depth as the thickness of the engaging piece 2 (3).

In this embodiment, the first fixing groove 9 is provided with a protrusion 15, and the first protrusion 11 is provided with a fixing hole 16 engaged with the protrusion 15. By the engagement of the protrusion 15 and the fixing hole 16, the engaging piece 2(3) can be kept from being displaced in the axial (up-down) direction of the engaging piece 2(3) after the clip frame 1 is assembled. Preferably, the protrusion 15 is perpendicular to the bottom surface of the first fixing groove 9. Of course, it should be understood by those skilled in the art that the protrusion 15 may be disposed on the first protrusion 11, and the fixing hole 16 is disposed on the first fixing groove 9 accordingly. Furthermore, it is also possible to provide a projection or a fixing hole on the second fixing groove 10, respectively on the second projection 12, or a projection or a fixing hole on the third fixing groove 13, respectively on the third projection 14. Preferably, a projection or a fixing hole may be provided on all the fixing grooves, and a fixing hole or a projection may be provided on all the projections, respectively. In this scheme, through the compound fixed design of draw-in groove formula and protruding portion, the hole coincide formula, make the coincide press from both sides in-process that uses, can guarantee before arousing and arouse in-process interlock piece and not take place the displacement, can guarantee again that the patient wound can comparatively conveniently dismantle after the healing and take off.

In this embodiment, the protruding portion 15 is a hemispherical protrusion, and specifically, may be formed downward by a drawing process.

As shown in fig. 23-26, the present invention provides a further detachable anastomosis clip, which differs from the anastomosis clip shown in fig. 1-12 in that the second engaging member 3 is detachably connected to the clip frame 1 by a (medical) wire in this embodiment. Of course, the first engaging member 2 can also be detachably connected to the clip frame 1 in the same way as the second engaging member 3.

In this embodiment, the second engaging member 3 comprises an engaging body 18, a wire tying body fixedly connected with the engaging body 18, and the wire tying body comprises at least one wire tying hole; the clip frame 1 includes a tether engaging portion that engages with the tether, the tether engaging portion including at least one hole that engages with a tether hole on the tether. Of course, the wire tying hole may be located at any position of the engaging body, and the wire tying hole in the corresponding clip frame may be located at any position of the clip frame, as long as the engagement of the engaging piece with the clip frame can be achieved.

In this embodiment, the tether includes a first tether 19 and a second tether 20 symmetrically fixed on both sides of the occlusion body 18, and the first tether 19 and the second tether 20 respectively include at least one tether hole 21; correspondingly, the tether body engaging portion includes a first engaging portion 24 and a second engaging portion 25 that engage with the first tether body 19 and the second tether body 20, and the first engaging portion 24 and the second engaging portion 25 include holes that engage with the tether hole on the first tether body 19 and the second tether body 20.

In this embodiment, a third tether 22 is further included, which is fixedly connected to the first tether 19, the second tether 20, and the occlusion body 18, and located below the first tether 22 and the second tether 20, where the third tether 22 includes at least one tether hole, and one tether hole 23 is a waist-shaped hole located in the middle of the third tether 22; correspondingly, the tether body engaging portion includes a third engaging portion 26 engaged with the third tether body 22, the third engaging portion 26 includes at least one hole engaged with a tether hole on the third tether body 22, and further includes a waist-shaped hole engaged with the third tether body 22.

In this embodiment, the first tether 19, the second tether 20, the occlusion body 18, and the third tether 22 are integrally formed.

As shown in fig. 27-30, the present invention provides a further detachable anastomosis clip, similar in principle to the anastomosis clip shown in fig. 23-26, where the second engagement member 3 is also detachably connected to the clip frame 1 by means of a (medical) wire. Except that it does not include the third tether body 22. Specifically, the second engaging piece 3 comprises an engaging body 27, and a wire tying body fixedly connected with the engaging body 27, wherein the wire tying body comprises at least one wire tying hole; the clip frame 1 includes a tether engaging portion that engages with the tether, the tether engaging portion including at least one hole that engages with a tether hole on the tether. Of course, the wire tying hole may be located at any position of the engaging body, and the wire tying hole in the corresponding clip frame may be located at any position of the clip frame, as long as the engagement of the engaging piece with the clip frame can be achieved. Of course, the first engaging member 2 can also be detachably connected to the clip frame 1 in the same way as the second engaging member 3.

In this embodiment, the tether includes a first tether 28 and a second tether 29 symmetrically fixed on both sides of the occlusion body 27, and the first tether 28 and the second tether 29 respectively include at least one tether hole; correspondingly, the tether body engaging portion comprises a first engaging portion 30 and a second engaging portion 31 which engage with the first tether body 28 and the second tether body 29, and the first engaging portion 30 and the second engaging portion 31 comprise holes which engage with the tether hole on the first tether body 28 and the second tether body 29.

As shown in fig. 31-36, a further detachable anastomosis clip according to the present invention is provided, which is similar in principle to the anastomosis clip shown in fig. 23-30, wherein the second engagement member 3 is also detachably connected to the clip frame 1 by means of a (medical) wire. The difference is that the structure of the second engaging member 3 engaging with the clip frame 1 is a radial rotation structure.

In this embodiment, the second engaging member 3 comprises an engaging body, the engaging body comprises a first radial beam 32 and a second radial beam 34, a back surface of the first radial beam 32 is recessed from the second radial beam 34 to form a first recess 37, and the second radial beam 34 comprises at least one tying hole 35; correspondingly, the clip frame 1 comprises a third radial beam 39 and a fourth radial beam 41 which are matched with the first radial beam 32 and the second radial beam 34, the back surface of the fourth radial beam 41 is recessed from the third radial beam 39 to form a second recessed part (as shown in fig. 35), and the fourth radial beam 41 comprises at least one hole which is matched with the wire tying hole on the second radial beam 34; the third radial beam 39 is inserted into the first recess 37 and the second radial beam 34 is inserted into the second recess. Of course, the wire tying hole may be located on the first radial beam or at any position of the engaging body, and the wire tying hole on the corresponding clip frame may be located on the third radial beam or at any position of the clip frame, as long as the engagement of the engaging piece with the clip frame is achieved.

In the present embodiment, the front surface of the fourth radial beam 41 protrudes from the third radial beam 39, and the front surface of the first radial beam 32 protrudes from the second radial beam 34.

In this embodiment, the second radial beam 34 further includes a kidney-shaped hole 36 at a middle portion thereof, and correspondingly, the fourth radial beam includes a kidney-shaped hole matching with the second radial beam 34.

In this embodiment, the radial direction adjusting device further includes a fifth radial beam 33, and the fifth radial beam 33 and the first radial beam 32 are symmetrically disposed on two sides of the second radial beam 34; correspondingly, the clip frame 1 comprises a sixth radial beam 40 cooperating with the fifth radial beam 33.

In the present embodiment, the back surface of the fifth radial beam 33 is recessed from the second radial beam 34 to form a third recessed portion 38; the sixth radial beam 40 is inserted into the third recess 38.

In this embodiment, the engaging piece can be stably fixed to the clip frame by the radial rotation fitting and the concave-convex fitting of the coupling cross member, thereby forming a stable engaging clip.

In the present embodiment, the third radial beam 39, the sixth radial beam 40, and the fourth radial beam 41 are integrally connected by a vertical portion 42.

In this embodiment, the second engaging member 3 (or the second engaging member 2) and the clip frame 1 are formed integrally.

Preferably, the left arm 6 and the right arm 8 are of an inner arc structure or an outer arc structure, respectively, and form an inner arc clamp (as shown in fig. 1, 12-16 and 23-36) or an outer arc clamp (as shown in fig. 17-22), wherein the outer arc clamp is larger than the inner arc clamp in terms of a closable wound surface, and has small friction on tissues and smaller injury risk due to the arc outer arc.

Preferably, the width of the energy storing arc part 17 on the left arm 6 and/or the right arm 8 is 1.2 mm. Increase present 1mm width to 1.2mm width for energy storage arc part has strengthened, and the instantaneous power when making the anastomotic clamp arouse has increased about 190%, can realize better that identical intestines and stomach wound, leak, bleeding point or fixed action, do not influence the dismantlement on next step again.

Preferably, said first engaging member 2 and said second engaging member 3 are both detachably connected with respect to said clip frame 1, as mentioned in the foregoing, the detachable connection of said first engaging member 2 and said second engaging member 3 with said clip frame 1 is preferably the same.

Preferably the first snap-in part 2 comprises 2, 5 or 7 teeth and correspondingly the second snap-in part 3 comprises 1, 4 or 6 teeth, forming a 3, 9 or 13 tooth anastomosis clip. Of course, it will be understood by those skilled in the art that it is also possible that the second engaging member 3 comprises 2, 5 or 7 teeth and correspondingly the first engaging member 2 comprises 1, 4 or 6 teeth. As shown in fig. 1-36.

Preferably, the detachable anastomosis clip is made of a memory metal titanium alloy, or the bite piece is made of a stainless steel material for medical use and the clip frame is made of a memory metal titanium alloy.

The foregoing is a more detailed description of the present patent with reference to specific preferred embodiments, and the patent is not to be considered as limited to the specific embodiments described herein. To those skilled in the art to which this patent pertains, several simple deductions or substitutions may be made without departing from the spirit of the patent, which shall be deemed to belong to the protection scope of the patent.

Claims

1. A detachable anastomosis clip, characterized by comprising at least a clip frame and a first and a second engagement member connected to the clip frame, wherein the first and/or the second engagement member is detachably connected to the clip frame, the first and/or the second engagement member comprises at least one fixing groove, the clip frame comprises at least a protrusion in plugging fit with the fixing groove, the fixing groove comprises a first and a second fixing groove, the first and the second fixing groove are arranged on opposite sides of the engagement member, the clip frame comprises a first and a second protrusion in plugging fit with the first and the second fixing groove; the fixing grooves further comprise third fixing grooves, the clip frame further comprises third protrusions which are matched with the third fixing grooves in an inserting mode, and the third fixing grooves and the first fixing grooves are located on the opposite side faces of the occlusion piece respectively or the third fixing grooves and the second fixing grooves are located on the opposite side faces of the occlusion piece respectively.

2. The anastomosis clip of claim 1, wherein said clip frame is a closed outer frame.

3. The anastomosis clip according to claim 2, wherein the first and/or second engagement members are teeth plates attached to the interior of the closed outer frame, said teeth plates having at least one tooth thereon.

4. The anastomosis clip of claim 2, wherein the closed outer frame includes an upper arm, a left side arm, a lower arm, and a right side arm, the upper arm, the left side arm, the lower arm, and the right side arm being connected in series to form the closed outer frame.

5. The anastomosis clip according to claim 4, wherein said first and second engagement members are respectively connected to said upper and lower arms, wherein said first engagement member is removably connected to said upper arm and/or said second engagement member is removably connected to said lower arm.

6. The anastomosis clip of claim 1, wherein the second and third fixation slots are located on opposite sides of the first fixation slot, respectively, wherein the second and third fixation slots are located on a same side of the engagement member.

7. The anastomosis clip according to claim 1, wherein the first fixation slot is provided with a protrusion or a fixation hole, the first protrusion is provided with a fixation hole or a protrusion cooperating with the protrusion, and/or the second fixation slot is provided with a protrusion or a fixation hole, the second protrusion is provided with a fixation hole or a protrusion cooperating with the protrusion, and/or the third fixation slot is provided with a protrusion or a fixation hole, and the third protrusion is provided with a fixation hole or a protrusion cooperating with the protrusion.

8. The anastomosis clip of claim 7, wherein the projections are hemispherical protuberances.

9. A detachable anastomosis clip, comprising at least a clip frame and first and second engaging members connected to the clip frame, wherein the first and/or second engaging members are detachably connected to the clip frame, the first and/or second engaging members are detachably connected to the clip frame via a tether line, the first and/or second engaging members comprise an engagement body, a tether line body fixedly connected to the engagement body, the tether line body comprises at least one tether line hole; the clip frame comprises a wire tying body matching part matched with the wire tying body, and the wire tying body matching part comprises at least one hole matched with a wire tying hole on the wire tying body; the wire tying body comprises a first wire tying body and a second wire tying body which are symmetrically fixed at two sides of the occlusion body, and the first wire tying body and the second wire tying body respectively comprise at least one wire tying hole; correspondingly, the line-tying body matching part comprises a first matching part and a second matching part which are matched with the first line-tying body and the second line-tying body, the first matching part and the second matching part comprise holes matched with line-tying holes on the first line-tying body and the second line-tying body, the line-tying body further comprises a third line-tying body which is fixedly connected with the first line-tying body, the second line-tying body and the occlusion body and is positioned below the first line-tying body and the second line-tying body, and the third line-tying body comprises at least one line-tying hole; correspondingly, the wire tying body matching part comprises a third matching part matched with the third wire tying body, and the third matching part comprises at least one hole matched with the wire tying hole in the third wire tying body.

10. The anastomosis clip of claim 8, wherein said clip frame is a closed outer frame.

11. The anastomosis clip according to claim 10, wherein the first and/or second engagement members are teeth plates attached to an interior of the closed outer frame, the teeth plates having at least one tooth thereon.

12. The anastomosis clip of claim 10, wherein the closed outer frame includes an upper arm, a left side arm, a lower arm, and a right side arm, the upper arm, the left side arm, the lower arm, and the right side arm being connected in series to form the closed outer frame.

13. The anastomosis clip according to claim 12, wherein said first and second engagement members are respectively connected to said upper and lower arms, wherein said first engagement member is removably connected to said upper arm and/or said second engagement member is removably connected to said lower arm.

14. The anastomosis clip of claim 9, wherein the third tether body includes a kidney-shaped aperture at a central portion thereof, and wherein the third mating portion includes a kidney-shaped aperture for mating with the kidney-shaped aperture.

15. A disengageable anastomosis clip, comprising at least a clip frame and first and second engaging members connected to the clip frame, wherein the first and/or second engaging members are removably connected to the clip frame via a tether, wherein the first and/or second engaging members comprise an engaging body comprising first and second radial beams recessed at a back side thereof in relation to the second radial beam to form a first recess; correspondingly, the clamp frame comprises a third radial beam and a fourth radial beam which are matched with the first radial beam and the second radial beam, and the back surface of the fourth radial beam is concave to the third radial beam to form a second concave part; the third radial beam is inserted in the first concave part, and the second radial beam is inserted in the second concave part; the second radial beam and/or the first radial beam comprises at least one wire tying hole, and the fourth radial beam and/or the third radial beam comprises at least one hole matched with the wire tying hole.

16. The anastomosis clip of claim 15, wherein said clip frame is a closed outer frame.

17. The anastomosis clip according to claim 16, wherein the first and/or second engagement members are a toothed plate attached to the interior of the closed outer frame, said toothed plate having at least one tooth thereon.

18. The anastomosis clip of claim 16, wherein the closed outer frame includes an upper arm, a left side arm, a lower arm, and a right side arm, the upper arm, the left side arm, the lower arm, and the right side arm being connected in series to form the closed outer frame.

19. The anastomosis clip according to claim 18, wherein said first and second engagement members are respectively connected to said upper and lower arms, wherein said first engagement member is removably connected to said upper arm and/or said second engagement member is removably connected to said lower arm.

20. The anastomosis clip of claim 15, wherein a front face of the fourth radial beam projects from the third radial beam, and a front face of the first radial beam projects from the second radial beam.

21. The anastomosis clip of claim 15, further comprising fifth radial beams symmetrically disposed on opposite sides of the second radial beam from the first radial beam; correspondingly, the clip frame includes a sixth radial beam cooperating with the fifth radial beam.

22. The anastomosis clip of claim 21, wherein the fifth radial beam is recessed rearwardly of the second radial beam to form a third recess; the sixth radial beam is inserted into the third recess.

23. The anastomosis clip according to any of claims 4, 12 or 18, wherein said left and right side arms are configured as inner arcs or outer arcs.

24. The anastomosis clip according to claim 23, wherein the width of the energy storage arc portion on the left and/or right side arm is 1.2 mm.

25. The anastomosis clip according to any of claims 1, 9 or 15, wherein said first engagement member comprises 2, 5 or 7 teeth and said second engagement member comprises 1, 4 or 6 teeth, respectively, or said second engagement member comprises 2, 5 or 7 teeth and said first engagement member comprises 1, 4 or 6 teeth, respectively.