CN110477989B

CN110477989B - Clip applying cap and clip device with same

Info

Publication number: CN110477989B
Application number: CN201910880473.8A
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: 2020-09-11
Anticipated expiration: 2039-09-18
Also published as: CN110477989A

Abstract

A clamping cap comprises a hollow clamping cap body, the clamping cap body comprises a fixed end and a release end which are arranged oppositely, and a limit notch is arranged on the end face of the release end and used for exciting a pull rope to release an anastomosis clamp. An anastomosis device having the clip applying cap is also provided. The invention replaces the traditional hole with the limit notch, so that the release end has very obvious falling feeling, the tissue can be closed quickly and stably, and the influence on the focus of a patient caused by subsequent re-excitation and accidental injury to other normal tissues or damage to expensive endoscope equipment are reduced.

Description

Clip applying cap and clip device with same

Technical Field

The invention relates to the field of medical treatment, in particular to a clamping cap and a clamp device with the same.

Background

The clamp applying cap is used for fixing the anastomosis clamp, sending the anastomosis clamp to a focus, and then exciting the pull rope to release the anastomosis clamp so that the anastomosis clamp closes or is fixed on the tissue. However, the pull rope of the existing clamping cap usually passes through the hole and then abuts against the anastomosis clamp, and when the anastomosis clamp is excited, due to the design of the hole, the pull rope is limited by the hole when being excited, so that the excitation force is unstable, the falling force of the release end of the clamping cap is insufficient, and the closing effect of the anastomosis clamp is influenced. In addition, the existing anastomosis clamp matched with the clamping cap is designed in a single body mode, the disassembly difficulty is high, and secondary trauma is easy to occur.

Disclosure of Invention

The invention provides a clamping cap, which solves the problems that the existing clamping cap has insufficient falling force at the release end, so that the closing action of an anastomosis clamp is influenced and/or the existing anastomosis clamp is not easy to disassemble and the like.

The scheme is as follows:

a clamping cap comprises a hollow clamping cap body, the clamping cap body comprises a fixed end and a release end which are arranged oppositely, and a limit notch is arranged on the end face of the release end and used for exciting a pull rope to release an anastomosis clamp.

Furthermore, the inner peripheral side of the clamping cap body is provided with limiting protrusions, the limiting protrusions are used for limiting the axial direction of the endoscope lens, the endoscope lens is prevented from being excessively inwards and even being separated from the clamping cap, preferably, the number of the limiting protrusions is 3, and the limiting protrusions are uniformly distributed along the inner peripheral side of the clamping cap body.

Further, the clip applying cap body comprises a cylindrical part and a tapered cylinder part fixed at the upper end of the cylindrical part, the limit notch is arranged on the end face of the tapered cylinder part, and preferably, a protruding surface for abutting and limiting the anastomosis clip is arranged on the outer periphery side of the cylindrical part.

Further, a limiting step is further arranged on the inner peripheral side of the clamping cap body, preferably, the limiting step is located at the lower end of the limiting protrusion, and the limiting protrusion protrudes out of the limiting step relative to the limiting step.

The clamping cap further comprises a shape-preserving platform positioned on the outer peripheral surface of the clamping cap body, the shape-preserving platform is arranged at the lower end of the protruding surface and protrudes out of the protruding surface, and the outer diameter of the shape-preserving platform is not smaller than that of a circular ring at the lowest end of the clamping cap body.

An anastomosis device comprises an anastomosis clamp and the clamp applying cap, wherein the anastomosis clamp is sleeved on the periphery of the clamp applying cap.

Further, the anastomosis clip comprises 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.

Further, the clip frame is a closed outer frame; preferably, 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; preferably, 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 is detachably connected to the clip frame by a tether line.

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

the hole among the prior art is replaced to the spacing breach, utilizes spacing breach to arouse the stay cord for do not have along applying the axial spacing of pressing from both sides the cap when arousing the stay cord, coincide to press from both sides after the stay cord release, the release end has very obvious sky sense, closed tissue that can be quick, stable reduces to the follow-up arouse influence focus again of patient and accidentally injure other normal tissues, or damage high endoscope equipment.

By adopting the arrangement of the shape-preserving table, the outer diameter of the part for fixing the anastomosis clamp in the clamping cap body is not less than the diameter of the circular ring at the lowermost end of the clamping cap.

The anastomosis clamp is designed to be detachable, when the anastomosis clamp is taken out, the detachable occlusion piece can be firstly separated from the clamp frame and then removed, and the anastomosis clamp can be safely and simply taken out.

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 structural view of a first clip applying cap provided by the present invention;

FIG. 2 is a front view of a first clip applying cap provided by the present invention;

FIG. 3 is a cross-sectional view of a first clip applying cap provided by the present invention;

FIG. 4 is a schematic structural view of a second clip applying cap provided by the present invention;

FIG. 5 is a front view of a second clip applying cap provided by the present invention;

FIG. 6 is a cross-sectional view of a second clip applying cap provided by the present invention;

FIGS. 7-8 are schematic views of the anastomosis device provided in accordance with the present invention;

FIG. 9 is a schematic view of a first anastomosis clip according to the present invention;

FIG. 10 is a first engagement member of a first anastomosis clip according to the present invention;

FIG. 11 is a second schematic view of a first engagement member of the first anastomosis clip according to the present invention;

fig. 12 is a schematic view of a first anastomosis clip structure provided in accordance with the present invention with the first engagement member removed;

FIG. 13 is an elevational view of a first anastomosis clip configuration provided in accordance with the present invention;

FIG. 14 is a schematic view of a clip frame construction of a first anastomosis clip provided in accordance with the present invention;

FIG. 15 is a schematic view of a second anastomosis clip according to the present invention;

FIG. 16 is a schematic view of a second engagement member of a second anastomosis clip according to the present invention;

FIG. 17 is a schematic view of a second anastomosis clip structure provided in accordance with the present invention with the second engagement member removed;

FIG. 18 is a schematic view of a third anastomosis clip provided in accordance with the present invention;

FIG. 19 is a schematic view of a second engagement member of a third anastomosis clip according to the present invention;

FIG. 20 is a schematic view of a third anastomosis clip structure provided in accordance with the present invention with the second engagement member removed;

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

fig. 22 is a first schematic diagram of a second engagement member of a fourth structure of an anastomosis clip according to the present invention;

fig. 23 is a second schematic diagram of a second engagement member of a fourth anastomosis clip structure according to the present invention;

fig. 24 is a first schematic view of a fourth clip configuration of the present invention with the second engagement member removed;

FIG. 25 is a second schematic view of a fourth clip configuration of the present invention with the second engagement member removed;

fig. 26 is an elevational view of a fourth anastomosis clip structure provided in accordance with the present invention with the second engagement member removed.

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 to 3, the first clip applying cap provided by the present invention comprises a hollow clip applying cap body, wherein the clip applying cap body comprises a fixed end and a release end which are oppositely arranged, and a limiting notch 1 is arranged on an end surface of the release end. In this embodiment, the fixed end is a lower end portion of the clip applying cap of fig. 1-3, which is used for fixing with the endoscope lens, specifically, can be fixed with the endoscope lens through a rubber sleeve. The release end is the upper end portion of the clip applying cap of fig. 1-3, which is used to align tissue. In this scheme, adopt spacing breach 1 to replace the hole among the prior art, utilize spacing breach 1 to arouse the stay cord for it is spacing not to exist along the axial of executing the clamp cap when arousing the stay cord, coincide to press from both sides after the stay cord release, the release end has very obvious sky sense, closed tissue that can be quick, stable, reduces to arouse the influence focus and accidentally injure other normal tissues to the follow-up reinitiation of patient, or damages high endoscope equipment.

In this embodiment, the limiting notch 1 is U-shaped (as shown) or circular.

In this embodiment, the inner peripheral side of the clip applying cap body is provided with a limiting protrusion 2, and the limiting protrusion 2 is used for an axial limiting device of an endoscope lens to prevent the endoscope lens from being too inward and even being separated from the clip applying cap.

In this embodiment, the clip applying cap body includes a cylindrical portion 4 and a tapered cylinder portion 3 fixed to an upper end of the cylindrical portion 4, and the stopper notch 1 is provided on an end surface of the tapered cylinder portion 3.

In this embodiment, a protruding surface 5 for abutting and limiting the anastomosis clip is provided on the outer peripheral side of the cylindrical portion 4.

In this embodiment, a limiting step 6 is further disposed on the inner peripheral side of the clip applying cap body. When the limiting step 6 is used independently, the axial limiting device for the endoscope lens can be achieved, and the endoscope lens is prevented from being too inward and even being separated.

In this embodiment, the limiting step 6 is located at the lower end of the limiting protrusion 2, and the limiting protrusion 2 protrudes from the limiting step 6 relative to the limiting step 6. The limiting bulge 2 protrudes out of the inner peripheral side of the clip applying cap body. Through the cooperation of the limiting step 6 and the limiting bulge 2, the axial limiting of the endoscope lens can be effectively ensured, and the dual limiting effect is realized.

In this embodiment, the number of the limiting protrusions 2 is 3, and the limiting protrusions are uniformly distributed along the inner peripheral side of the clamping cap body.

As shown in fig. 4-6, the second clip applying cap of the present invention has a structure that is largely the same as the first clip applying cap, and also includes a stopper notch 11 at the releasing end, and the clip applying cap body also includes a tapered cylinder 12 and a cylindrical portion 13, and a protruding surface 14 of the cylindrical portion 13. Still including executing the spacing step 15 of pressing from both sides internal week of cap body, in this scheme, only adopt spacing step 15 to the endoscope camera lens axial spacing. The clamping cap with the larger thickness of the clamping cap body has enough thickness in the thickness direction to set the limiting step without influencing the strength of the clamping cap body, so that the endoscope lens can be axially limited only by setting the limiting step.

In this embodiment, the clip applying cap further comprises a shape-retaining table 16 located on the outer peripheral surface of the clip applying cap body, the shape-retaining table 16 is disposed at the lower end of the protruding surface 5, the shape-retaining table 16 protrudes from the protruding surface 5, and the outer diameter of the shape-retaining table 16 is not less than the outer diameter of a circular ring 17 at the lowest end of the clip applying cap body. Preferably, the outer diameter of the shape retaining table 16 is equal to the outer diameter of the circular ring 17.

Through the arrangement of the shape-preserving table, the outer diameter of the part, used for fixing the anastomosis clamp, in the clamping cap body can be not smaller than the diameter of the circular ring at the lowermost end of the clamping cap.

As shown in fig. 7-8, an anastomotic device comprises an anastomotic clip (in a to-be-activated state) and the clip application cap, wherein the anastomotic clip is used for sleeving the outer periphery of the clip application cap.

As shown in fig. 9-14, the anastomosis clip comprises a clip frame 1 and a first engagement member 2 and a second engagement member 3 connected to the clip frame 1, wherein the first engagement member 2 and/or the second engagement member 3 is detachably connected to the 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 technician may choose to place all of the engagement members in removable connection with the clip frame, or one or more of them in removable connection with the clip frame.

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 anastomosis clamp in the scheme and the existing single type anastomosis clamp 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 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.

As shown in fig. 15-17, the present invention provides a further anastomosis clip, which differs from the anastomosis clip shown in fig. 9-14 in that the second engaging member 3 is detachably connected to the clip frame 1 by means of 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.

As shown in fig. 18-20, the present invention provides a further anastomosis clip, similar in principle to the anastomosis clip shown in fig. 15-17, wherein the second engagement member 3 is also detachably connected to the clip frame 1 via 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. 21-26, a further anastomosis clip according to the present invention is provided, which is similar in principle to the anastomosis clip shown in fig. 18-20, wherein the second engagement member 3 is also detachably connected to the clip frame 1 via 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. 25), 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.

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. An anastomosis device is characterized by comprising an anastomosis clip and a clip applying cap, wherein the anastomosis clip is sleeved on the periphery of the clip applying cap, the clip applying cap comprises a hollow clip applying cap body, the clip applying cap body comprises a fixed end and a release end which are oppositely arranged, a limit notch is arranged on the end face of the release end and used for exciting a pull rope to release the anastomosis clip, the anastomosis clip at least comprises a clip frame and a first occluding piece and a second occluding piece which are connected with the clip frame, the first occluding piece and/or the second occluding piece are detachably connected with the clip frame, the first occluding piece and/or the second occluding piece comprise at least one fixing groove, the clip frame at least comprises a bulge which is in splicing fit with the fixing groove, the fixing groove comprises a first fixing groove and a second fixing groove, and the first fixing groove and the second fixing groove are arranged on the opposite side faces of the occluding piece, the clip frame comprises a first protrusion and a second protrusion which are in inserting fit with the first fixing groove and the second fixing groove; the side surface where the first fixing groove is located is as follows: when the anastomosis clip is in a to-be-excited state, the first meshing piece and/or the second meshing piece face to the side face of the periphery of the clip applying cap body; the side surface where the second fixing groove is located is as follows: when the anastomosis clip is in a to-be-excited state, the first meshing piece and/or the second meshing piece are/is back to the side surface of the periphery of the clip applier cap body.

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

3. The anastomosis device according to claim 2, wherein the first and/or second engagement member is a toothed plate attached to the interior of the closed outer frame, the toothed plate having at least one tooth thereon.

4. The anastomosis device of claim 2, wherein the closed outer frame comprises 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 device 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 device according to claim 1, wherein the clamping cap body is provided with a limiting protrusion at an inner peripheral side thereof, the limiting protrusion being used as an endoscope lens axial limiting device to prevent the endoscope lens from being too far inward and even being removed from the clamping cap.

7. The anastomosis device according to claim 6, wherein said limiting protrusions are provided in 3 numbers, evenly distributed along the inner circumference of the clip applying cap body.

8. The anastomosis device according to claim 1, wherein the clip applying cap body includes a cylindrical portion and a tapered cylinder portion fixed to an upper end of the cylindrical portion, and the stopper notch is provided on an end surface of the tapered cylinder portion.

9. The anastomosis device according to claim 8, wherein said cylindrical portion is provided at an outer peripheral side thereof with a protruding surface for abutting and retaining the anastomosis clip.

10. The anastomosis device according to claim 6, wherein said clip applying cap body is further provided with a limiting step on an inner peripheral side thereof.

11. The anastomosis device according to claim 10, wherein said limiting step is located at a lower end portion of said limiting protrusion, and said limiting protrusion protrudes from said limiting step opposite to said limiting step.

12. The anastomosis device according to claim 9, further comprising a shape-retaining table located on an outer circumferential surface of the clip applying cap body, wherein the shape-retaining table is disposed at a lower end of the protruding surface, and the shape-retaining table protrudes from the protruding surface, and an outer diameter of the shape-retaining table is not smaller than an outer diameter of a circular ring at a lowermost end of the clip applying cap body.