CN211067380U - Ophthalmic stitching instrument - Google Patents

Abstract

The utility model discloses an ophthalmological suturing device in the technical field of suturing devices, which comprises tweezers, a first shell and a first arc-shaped suturing needle, wherein the top end of the tweezers is fixedly connected with the top of an inner cavity of the first shell, the front side of the bottom of the first shell is fixedly connected with a second shell positioned at the front side of the tweezers, the bottom end of the tweezers extends to the bottom of the second shell, a first arc-shaped cavity and a second arc-shaped cavity positioned at the bottom of the first arc-shaped cavity are arranged inside the second shell, a first arc-shaped chute and a second arc-shaped chute are arranged at the front side of the second shell, the ophthalmological suturing device facilitates users to place sutures on a puncture needle, can drive the sutures to puncture incision skin from two directions, and the puncture position is relatively stable, the vertical mattress type suturing of an operation incision is easy to realize, the ophthalmological suturing device has simple structure and stable structure, is convenient for users to operate, and reduces the energy when the users suture, the efficiency of skin suture in ophthalmic surgery is improved.

Description

Ophthalmic stitching instrument

Technical Field

The utility model relates to a stitching instrument technical field specifically is an ophthalmic stitching instrument.

Background

The general term of ophthalmology is "ophthalmology specialty", which is the discipline for studying diseases occurring in the visual system, including the eyeball and its associated tissues. In ophthalmology, various ophthalmic diseases such as vitreous body, retinal diseases, ocular optics, glaucoma, optic neuropathy, cataract and the like are generally researched. Common ophthalmic diseases are: central serous retinopathy, dry eye, sympathetic ophthalmia, nyctalopia, blindness, amblyopia, astigmatism, trachoma, cataract, diabetic retinopathy, conjunctivitis, presbyopia, achromatopsia, iridochromism, retinitis pigmentosa, central retinal artery occlusion, retinal detachment, myopia, hyperopia, pinprick, snow blindness, aragonima, glaucoma, muscae volitantes and the like.

The invention discloses an ophthalmologic stitching instrument in Chinese patent with application publication number CN109044614A and application publication number 2018-12-21, which comprises a left forceps arm and a right forceps arm, wherein a stitching needle is fixed on the left forceps arm, a needle penetrating groove is formed in the right forceps arm, the left forceps arm and the right forceps arm are movably connected at the bottom to realize flexible adjustment of the angle relation between the left forceps arm and the right forceps arm, and the bottom of the left forceps arm and the right forceps arm is directly placed in the palm of a medical operator during operation and use and is not required to be held by hands. The device is very convenient to operate, and all functions are completed integrally.

However, when the ophthalmologic suturing device is used, the ophthalmologic suturing device can only puncture the other side from one side of the incision, and then reversely puncture the ophthalmologic suturing device, the ophthalmologic suturing device needs to be turned over to operate again, a suture line needs to pass through the threading hole when puncturing at each time, the ophthalmologic suturing device is inconvenient for a user to operate, the use difficulty of the ophthalmologic suturing device is increased, and in addition, the conventional ophthalmologic suturing device is often sutured in a mode that forceps are used for clamping an arc-shaped needle, so that more energy of the user can be consumed when the ophthalmologic suturing device is used.

Based on this, the utility model designs specifically be an ophthalmic stitching instrument to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ophthalmic stitching instrument, with the traditional ophthalmic stitching instrument who proposes in solving above-mentioned background art when using, only can puncture other one side from notched one side, when carrying out reverse puncture again, need overturn it and operate once more, and need pass the through wires hole with the stylolite when puncturing at every turn, the inconvenient user operation, increase the use degree of difficulty of stitching instrument, traditional ophthalmic stitching often adopts tweezers to clip the mode of arc needle to sew up in addition, it can consume the problem of the more energy of user when using.

In order to achieve the above object, the utility model provides a following technical scheme: an ophthalmological suturing instrument comprises forceps and a first arc-shaped suturing needle, and further comprises a first shell, wherein the top end of the forceps is fixedly connected with the top of an inner cavity of the first shell, the front side of the bottom of the first shell is fixedly connected with a second shell positioned on the front side of the forceps, the bottom end of the forceps extends to the bottom of the second shell, a first arc-shaped cavity and a second arc-shaped cavity positioned at the bottom of the first arc-shaped cavity are formed in the second shell, a first arc-shaped sliding groove communicated with the first arc-shaped cavity and a second arc-shaped sliding groove communicated with the second arc-shaped cavity are formed in the front side of the second shell, the inner cavities of the first arc-shaped cavity and the second arc-shaped cavity are respectively provided with the first arc-shaped suturing needle and the second arc-shaped suturing needle, and one ends of the first arc-shaped suturing needle and the second arc-shaped suturing needle, which are far away from each other, penetrate through to the bottom of the second shell, the other end of the first circular arc suture needle is fixedly connected with a first sliding round block which is connected with a first circular arc cavity in a sliding manner, the surface of the first circular arc suture needle is sleeved with a first spring which is positioned in the inner cavity of the first circular arc cavity, the front side of the first sliding round block is fixedly connected with a first connecting block which is connected with a first circular arc chute in a sliding manner, the front side of the first connecting block extends out of the outer side of the second shell and is fixedly connected with a first push block, the other end of the second circular arc suture needle is fixedly connected with a second sliding round block which is connected with a second circular arc cavity in a sliding manner, the surface of the second circular arc suture needle is sleeved with a second spring which is positioned in the inner cavity of the second circular arc cavity, the front side of the second sliding round block is fixedly connected with a second connecting block which is connected with a second circular arc chute in a sliding manner, and the front side of the second connecting block extends out of the outer side of the second shell, and the first circular arc-shaped sewing needle and the second circular arc-shaped sewing needle extend out of the inner side of the outer side part of the second shell and are provided with one-way grooves.

Preferably, the one-way groove comprises a transverse groove and a vertical groove, and a fillet is arranged at the joint of the transverse groove and the vertical groove.

Preferably, the tweezers comprise a connecting part, and a left arm part and a right arm part which are respectively connected to two sides of the bottom of the connecting part, wherein a left clamping head part is arranged at the bottom end of the left arm part, and a right clamping head part is arranged at the bottom end of the right arm part.

Preferably, the two sides of the top of the inner cavity of the first shell are fixedly connected with first positioning blocks, and the connecting part is located between the two first positioning blocks.

Preferably, the inner cavity of the first housing is fixedly connected with second positioning blocks located on two sides of the left arm, and the two second positioning blocks are in contact with the left arm.

Preferably, a round hole is formed in the bottom of the right side of the first shell, a pressing piece is fixedly connected to the right side of the right arm, the right side of the pressing piece penetrates through the round hole and extends out of the right side of the first shell, and the pressing piece comprises a connecting rod and a pressing round block fixed at the right end of the connecting rod.

Preferably, the inner diameters of the first arc-shaped cavity and the second arc-shaped cavity are the same, the widths of the first arc-shaped sliding groove and the second arc-shaped sliding groove are the same, and the inner diameter of the first arc-shaped cavity is larger than the width of the first arc-shaped sliding groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model clamps the skin of the operation incision through the tweezers to facilitate the suture needle on the suture device to stably pass through the skin at the two sides of the incision; when the suture is used, the suture is folded, the folded end of the suture is placed in the one-way groove of the first circular arc-shaped suture needle, the first push block is pushed, the first push block drives the first sliding round block to slide clockwise in the inner cavity of the first circular arc-shaped cavity through the first connecting block, the first sliding round block drives the first circular arc-shaped suture needle to rotate, meanwhile, the first sliding round block compresses the first spring, the one-way groove of the first circular arc-shaped suture needle drives the suture to move until the needle head and the suture of the first circular arc-shaped suture needle pass through the skin on two sides of the incision, after the first push block is loosened, the first spring recovers deformation, the elastic force of the first spring drives the first sliding round block to rotate anticlockwise so as to drive the first circular arc-shaped suture needle and the first push block to recover to the original positions, and the folded end of the suture still passes through the skin on two sides of the incision and does not move along, the suture thread can achieve the effect of one-time puncture, and the effect of the suture thread reversely puncturing the incision skin can be driven by the one-way groove on the second circular arc suture needle by utilizing the matching use of the second circular arc suture needle, the second sliding round block, the second spring, the second connecting block and the second push block, so that the effect of puncturing in two directions is realized, and the vertical mattress type suture is easy to realize; in addition, the first circular arc-shaped suture needle and the second circular arc-shaped suture needle are provided with one-way grooves, so that the one-way grooves can only drive the suture line to penetrate through the skin in one way, and when the suture line moves in the reverse direction, the folded end of the suture line does not return, and further the next reverse puncture is ensured;

this ophthalmic stitching instrument person of facilitating the use lays the stylolite on following the pjncture needle, can follow two directions and drive stylolite puncture incision skin, and the position relatively stable of puncture, realizes operation notched perpendicular mattress easily and sews up, its simple structure, stable in structure, and the person of facilitating the use operates, has reduced the energy when the user sews up, has improved the skin efficiency of sewing up when ophthalmic surgery.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of another perspective of the present invention;

fig. 3 is a schematic view of the structure of the present invention;

fig. 4 is a schematic front sectional view of the present invention;

fig. 5 is a schematic front sectional view of the first housing of the present invention;

FIG. 6 is a schematic perspective view of a first suture needle and a second suture needle according to the present invention;

FIG. 7 is a schematic view of a first state of the present invention in use;

FIG. 8 is a schematic view of a second state of the present invention in use;

FIG. 9 is a schematic view of a third state of the present invention in use;

FIG. 10 is a schematic view of a fourth state of the present invention in use;

FIG. 11 is a schematic view of a fifth state of the present invention in use;

in the drawings, the components represented by the respective reference numerals are listed below:

1. tweezers; 101. a connecting portion; 102. a left arm portion; 103. a right arm portion; 104. a left chuck part; 105. a right chuck part; 2. a first housing; 201. a circular hole; 3. a second housing; 301. a first arc-shaped cavity; 302. a first arc chute; 303. a second arc-shaped cavity; 304. a second arc chute; 4. a first circular arc shaped suture needle; 5. a first sliding round block; 6. a first spring; 7. a first connection block; 8. a first push block; 9. a second circular arc shaped suture needle; 10. a second sliding round block; 11. a second spring; 12. a second connecting block; 13. a second push block; 14. a unidirectional groove; 15. a first positioning block; 16. a second positioning block; 17. a pressing piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: an ophthalmologic stitching instrument comprises forceps 1, a first shell 2, a second shell 3, a first arc-shaped stitching needle 4 and a second arc-shaped stitching needle 9, wherein the top end of the forceps 1 is fixedly connected with the top of an inner cavity of the first shell 2, the front side of the bottom of the first shell 2 is fixedly connected with the second shell 3 positioned on the front side of the forceps 1, and the bottom end of the forceps 1 extends to the bottom of the second shell 3. specifically, the forceps 1 comprises a connecting part 101, a left arm part 102 and a right arm part 103 which are respectively connected to two sides of the bottom of the connecting part 101, a left clamping head part 104 is arranged at the bottom end of the left arm part 102, and a right clamping head part 105 is arranged at the bottom end of the right arm part 103, and when a user releases the left arm part 102 and the right arm part 103, the left clamping head part 104 and the right clamping head part; the two sides of the top of the inner cavity of the first shell 2 are fixedly connected with the first positioning blocks 15, the connecting part 101 is positioned between the two first positioning blocks 15, the position of the connecting part 101 can be limited through the arrangement of the first positioning blocks 15, and the position of the forceps 1 is prevented from deviating when the suturing device is used; the inner cavity of the first housing 2 is fixedly connected with second positioning blocks 16 positioned at two sides of the left arm part 102, the two second positioning blocks 16 are in contact with the left arm part 102, the position of the left arm part 102 is fixed through the arrangement of the second positioning blocks 16 and is matched with the first positioning block 15, and a user can contact the left chuck part 104 and the right chuck part 105 by pressing the right arm part 103, so that the operation is convenient; the bottom of the right side of the first shell 2 is provided with a round hole 201, the right side of the right arm 103 is fixedly connected with a pressing piece 17, the right side of the pressing piece 17 penetrates through the round hole 201 and extends out of the right side of the first shell 2, the pressing piece 17 comprises a connecting rod and a pressing round block fixed at the right end of the connecting rod, and the pressing piece 17 penetrates through the first shell 2 through the arrangement of the pressing piece 17, so that a user can press the right arm 103 when holding the first shell 2 conveniently, and the operation of the user is facilitated;

a first arc-shaped cavity 301 and a second arc-shaped cavity 303 positioned at the bottom of the first arc-shaped cavity 301 are arranged in the second shell 3, a first arc-shaped chute 302 communicated with the first arc-shaped cavity 301 and a second arc-shaped chute 304 communicated with the second arc-shaped cavity 303 are arranged at the front side of the second shell 3, wherein the inner diameters of the first arc-shaped cavity 301 and the second arc-shaped cavity 303 are the same, the widths of the first arc-shaped chute 302 and the second arc-shaped chute 304 are the same, the inner diameter of the first arc-shaped cavity 301 is larger than the width of the first arc-shaped chute 302, the inner cavities of the first arc-shaped cavity 301 and the second arc-shaped cavity 303 are respectively provided with a first arc-shaped sewing needle 4 and a second arc-shaped sewing needle 9, one end of the first arc-shaped sewing needle 4, which is far away from the second arc-shaped sewing needle 9, penetrates through to the bottom of the second shell 3, and a first sliding circular block 5 slidably connected with the first arc-shaped cavity 301 is fixedly connected to the other end of the first arc, the surface of the first circular arc suture needle 4 is sleeved with a first spring 6 positioned in the inner cavity of the first circular arc cavity 301, the front side of the first sliding circular block 5 is fixedly connected with a first connecting block 7 which is in sliding connection with the first circular arc chute 302, the front side of the first connecting block 7 extends out of the outer side of the second shell 3 and is fixedly connected with a first push block 8, the other end of the second circular arc suture needle 9 is fixedly connected with a second sliding circular block 10 which is in sliding connection with the second circular arc cavity 303, the surface of the second circular arc suture needle 9 is sleeved with a second spring 11 positioned in the inner cavity of the second circular arc cavity 303, the front side of the second sliding circular block 10 is fixedly connected with a second connecting block 12 which is in sliding connection with the second circular arc chute 304, the front side of the second connecting block 12 extends out of the second shell 3 and is fixedly connected with a second push block 13, the inner sides of the first circular arc suture needle 4 and the second circular arc suture needle 9 extending out of the second shell 3 are provided with one-way grooves 14, specifically, the unidirectional groove 14 comprises a transverse groove and a vertical groove, a fillet is arranged at the joint of the transverse groove and the vertical groove, through the arrangement of the one-way groove 14, the suture is firstly folded in half, the folded end of the suture is placed in the one-way groove 14 of the first circular arc suture needle 4, the first push block 8 is pushed, the first push block 8 drives the first sliding round block 5 to slide clockwise in the inner cavity of the first circular arc-shaped cavity 301 through the first connecting block 7, the first sliding round block 5 drives the first circular arc-shaped suture needle 4 to rotate, the one-way groove 14 of the first circular arc-shaped suture needle 4 drives the suture line to move, so that the suture line passes through the skin on two sides of the incision, meanwhile, the first sliding round block 5 compresses the first spring 6, when the first push block 8 is loosened, the first spring 6 restores deformation, the elastic force of the first spring 6 is utilized to drive the first sliding round block 5 to rotate anticlockwise, and then the first arc-shaped sewing needle 4 and the first push block 8 are driven to restore to the original positions; similarly, the doubled-over end of the suture thread is placed in the one-way groove 14 of the second circular arc-shaped suture needle 9 to push the second push block 13, the second push block 13 drives the second sliding round block 10 to slide counterclockwise in the inner cavity of the second circular arc-shaped cavity 303 through the second connecting block 12, the second sliding round block 10 drives the second circular arc-shaped suture needle 9 to rotate, the one-way groove 14 of the second circular arc-shaped suture needle 9 drives the suture thread to move, so that the suture thread passes through the skin on two sides of the incision again, meanwhile, the second sliding round block 10 compresses the second spring 11, when the second push block 13 is loosened, the second spring 11 recovers deformation, the second sliding round block 10 is driven to rotate clockwise by the elasticity of the second spring 11, and then the second sliding round block 10 and the second push block 13 are driven to recover to the original position, so that the next puncture can be conveniently performed.

One specific application of this embodiment is:

the user holds the first shell 2, moves the left clamping head part 104 and the right clamping head part 105 to the skin incision, presses the pressing part 17 by fingers, the pressing part 17 drives the right arm part 103 to rotate, so that the left clamping head part 104 and the right clamping head part 105 are matched to clamp the skin of the incision for suturing, as shown in fig. 7, then the suture is folded in half, the folded end of the suture is placed in the one-way groove 14 of the first circular arc-shaped suture needle 4, then the first push block 8 is pushed, the first push block 8 drives the first sliding round block 5 to slide clockwise in the inner cavity of the first circular arc-shaped cavity 301 through the first connecting block 7, the first sliding round block 5 drives the first circular arc-shaped suture needle 4 to rotate, meanwhile, the first sliding round block 5 compresses the first spring 6, the one-way groove 14 of the first circular arc-shaped suture needle 4 drives the suture to move until the needle head of the first circular arc-shaped suture needle 4 and the one-way groove 14 on the first circular arc-shaped suture needle 4 penetrate the skin at, the suture thread penetrates through the skin on the two sides of the incision, as shown in fig. 8, the first push block 8 is finally loosened, the first spring 6 is restored to deform, the elastic force of the first spring 6 is utilized to drive the first sliding round block 5 to rotate anticlockwise, the first circular arc-shaped suture needle 4 and the first push block 8 are further driven to restore to the original position, and the doubled-over end of the suture thread still penetrates through the skin on the two sides of the incision and does not move along with the first circular arc-shaped suture needle 4, as shown in fig. 9;

then the doubled-over end of the suture thread is placed in the one-way groove 14 of the second circular arc-shaped suture needle 9, the second push block 13 is pushed, the second push block 13 drives the second sliding round block 10 to slide anticlockwise in the inner cavity of the second circular arc-shaped cavity 303 through the second connecting block 12, the second sliding round block 10 drives the second circular arc-shaped suture needle 9 to rotate, meanwhile, the second sliding round block 10 compresses the second spring 11, the one-way groove 14 of the second circular arc-shaped suture needle 9 drives the suture thread to move until the needle head of the second circular arc-shaped suture needle 9 and the one-way groove 14 on the second circular arc-shaped suture needle 9 penetrate through the skin on the two sides of the incision, so that the suture thread penetrates through the skin on the two sides of the incision again and is positioned above the last puncture, as shown in figure 10, finally, the second push block 13 is released, the second spring 11 is deformed again, and the second sliding round block 10 is driven to rotate clockwise, then the second sliding round block 10 and the second push block 13 are driven to be restored to the original position, the doubled-over end of the suture thread still passes through the skin on the two sides of the incision and does not move along with the second circular arc suture needle 9, as shown in fig. 11, the doubled-over end of the suture thread is pulled finally, the two thread ends of the suture thread move to the skin, one side, close to the skin, of the doubled-over end is cut off by utilizing an external scissors, a certain length is left, the suture thread left on the skin after being cut off is knotted, and one-time vertical mattress type suture is completed;

the above operations are repeated, and the incision is completely sutured by a plurality of times of vertical mattress suturing, thus achieving the effect of intermittent vertical mattress suturing.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. An ophthalmic suturing device comprising forceps (1) and a first circular arc shaped suturing needle (4), characterized in that: the stitching instrument further comprises a first shell (2), the top end of the forceps (1) is fixedly connected with the top of the inner cavity of the first shell (2), the front side of the bottom of the first shell (2) is fixedly connected with a second shell (3) positioned at the front side of the forceps (1), the bottom end of the forceps (1) extends to the bottom of the second shell (3), a first circular arc-shaped cavity (301) and a second circular arc-shaped cavity (303) positioned at the bottom of the first circular arc-shaped cavity (301) are formed in the second shell (3), a first circular arc-shaped chute (302) communicated with the first circular arc-shaped cavity (301) and a second circular arc-shaped chute (304) communicated with the second circular arc-shaped cavity (303) are formed in the front side of the second shell (3), the inner cavities of the first circular arc-shaped cavity (301) and the second circular arc-shaped cavity (303) are respectively provided with a first circular arc-shaped stitching needle (4) and a second circular arc-shaped stitching needle (9), one end, far away from each other, of each of the first arc-shaped suture needle (4) and the second arc-shaped suture needle (9) penetrates through the bottom of the second shell (3), the other end of each of the first arc-shaped suture needles (4) is fixedly connected with a first sliding round block (5) in sliding connection with the first arc-shaped cavity (301), a first spring (6) located in the inner cavity of the first arc-shaped cavity (301) is sleeved on the surface of each of the first arc-shaped suture needles (4), a first connecting block (7) in sliding connection with the first arc-shaped sliding groove (302) is fixedly connected to the front side of each of the first sliding round blocks (5), a second sliding round block (10) in sliding connection with the second arc-shaped cavity (303) is fixedly connected to the front side of each of the second arc-shaped suture needle (9), the surface cover of the convex sewing needle of second (9) is equipped with second spring (11) that is located second circular arc chamber (303) inner chamber, the front side fixedly connected with of second slip circle piece (10) and second circular arc spout (304) sliding connection's second connecting block (12), the front side of second connecting block (12) stretches out outside and fixedly connected with second ejector pad (13) to second casing (3), one-way slot (14) have been seted up to the inboard that first convex sewing needle (4) and second convex sewing needle (9) stretch out second casing (3) outside portion.

2. An ophthalmic stapler according to claim 1, wherein: the unidirectional groove (14) comprises a transverse groove and a vertical groove, and a fillet is arranged at the joint of the transverse groove and the vertical groove.

3. An ophthalmic stapler according to claim 2, wherein: the tweezers (1) comprise a connecting part (101), and a left arm part (102) and a right arm part (103) which are respectively connected to two sides of the bottom of the connecting part (101), wherein a left clamping head part (104) is arranged at the bottom end of the left arm part (102), and a right clamping head part (105) is arranged at the bottom end of the right arm part (103).

4. An ophthalmic stapler according to claim 3, wherein: the equal fixedly connected with first locating piece (15) in both sides at first casing (2) inner chamber top, connecting portion (101) are located between two first locating pieces (15).

5. An ophthalmic stapler according to claim 4, wherein: the inner cavity of the first shell (2) is fixedly connected with second positioning blocks (16) positioned on two sides of the left arm part (102), and the two second positioning blocks (16) are in contact with the left arm part (102).

6. An ophthalmic stapler according to claim 5, wherein: round hole (201) have been seted up to the bottom on first casing (2) right side, the right side fixedly connected with pressing piece (17) of right arm (103), the right side of pressing piece (17) is passed round hole (201) and is stretched out the right side of first casing (2), pressing piece (17) include the connecting rod and fix the round piece of pressing at the connecting rod right-hand member.

7. An ophthalmic stapler according to claim 6, wherein: the inner diameters of the first arc-shaped cavity (301) and the second arc-shaped cavity (303) are the same, the widths of the first arc-shaped sliding chute (302) and the second arc-shaped sliding chute (304) are the same, and the inner diameter of the first arc-shaped cavity (301) is larger than the width of the first arc-shaped sliding chute (302).

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