Safe intraocular lens scissors

Abstract

The utility model discloses a pair of safety intraocular lens scissors, belongs to the technical field of ophthalmic surgical instruments, and solves the problems that the head end of a storage groove of an existing device is not provided with a blade, the head end of an upper tool bit and the head end of the storage groove cannot shear a lens, and fragments cannot be separated from a lens body after the lens is sheared. Comprising a first handle and a second handle, a first tool bit and a second tool bit are arranged on the first handle and the second handle respectively, a shearing groove is formed in the middle of the face, facing the second tool bit, of the first tool bit, and a containing groove is formed in the middle of the face, facing the first tool bit, of the second tool bit. Second cutting edges are arranged on the front side wall and the rear side wall of the containing groove, an arc-shaped cutting edge is arranged at the head end of the second cutting head, the second cutting edges are matched with the first cutting edge to cut the intraocular lens into long-strip-shaped fragments, and then the arc-shaped cutting edge is matched with the bottom face of the cutting groove to cut the intraocular lens into the long-strip-shaped fragments. The intraocular lens can be cut into long-strip-shaped fragments to be separated from a main body of the intraocular lens.

Description

TECHNICAL FIELD

[0001] The utility model relates to ophthalmic surgical instrument technical field, concretely is a safe artificial lens scissors. BACKGROUND

[0002] Artificial lens is the most effective method of correcting aphakia and treating cataract at present, if the intraocular artificial lens degenerates after operation, the artificial lens needs to be replaced, and when replacing, the artificial lens needs to be cut in the eye and taken out piece by piece.

[0003] Through the search, the application book with patent application No. 202022263343.0 discloses a groove type artificial lens scissors, which comprises two cutting knife bodies, the two cutting knife bodies are hinged through a pin shaft, the cutting knife body comprises a cutting knife head, a cutting knife handle integrally arranged with the cutting knife head and a spring sheet connected to the rear end of the cutting knife handle, the inner side of one of the cutting knife heads is provided with a cutting active blade, the inner side of the other cutting knife head is provided with a receiving groove corresponding to the cutting active blade, and the two side walls of the receiving groove serve as cutting passive blades matched with the cutting active blade to realize cutting of the artificial lens.

[0004] Although the groove type artificial lens scissors can cooperate with the two cutting passive blades on both sides during the process of entering the receiving groove through the cutting active blade, and then cut the artificial lens, and collect the cut artificial lens through the receiving groove, the head end of the receiving groove of the groove type artificial lens scissors is not provided with a blade, the head end of the upper knife head cannot cut the crystal with the head end of the receiving groove, and the crystal is cut, which can cause the crystal to be cut and the fragments to be separated from the crystal body.

[0005] Therefore, we propose a safe artificial lens scissors. UTILITY MODEL CONTENTS

[0006] In view of the defects of the prior art, the utility model provides a safe artificial lens scissors, which solves the problem that the head end of the receiving groove of the existing device is not provided with a blade, the head end of the upper knife head cannot cut the crystal with the head end of the receiving groove, and the crystal is cut, which can cause the crystal to be cut and the fragments to be separated from the crystal body.

[0007] To achieve the above purpose, the utility model realizes the following technical scheme: a safe artificial lens scissors, comprising a first handle and a second handle, the first handle and the second handle are hinged through a pin shaft.

[0008] The first handle and the second handle are respectively provided with a first cutter head and a second cutter head, a shearing groove is formed in the middle of the surface of the first cutter head facing the second cutter head, a receiving groove is formed in the middle of the surface of the second cutter head facing the first cutter head, second cutting edges are formed on the front and rear side walls of the receiving groove, and an arc-shaped cutting edge is arranged at the head end of the second cutter head and movably sleeved in the shearing groove.

[0009] Preferably, the arc-shaped cutting edge and the second cutting edges are smoothly connected, and the side wall of the second cutter head is attached to the inner wall of the shearing groove, wherein the second cutting edges on the second cutter head and the top surface of the first cutter head are matched to cut the artificial lens, and then the artificial lens is cut into strip-shaped fragments with the same profile as the second cutting edges and the arc-shaped cutting edge.

[0010] Preferably, the front and rear side walls of the shearing groove are provided with first cutting edges matched with the second cutting edges, wherein the first cutting edges and the second cutting edges are matched to cut the artificial lens, the second cutting edges on the front and rear sides of the second cutter head are matched with the first cutting edges on the front and rear sides of the first cutter head to form two shearing openings, and then the arc-shaped cutting edge is matched with the bottom surface of the shearing groove to cut the long strip-shaped artificial lens from the main body and temporarily store the cut fragments in the receiving groove.

[0011] Preferably, the tail end of the first handle is provided with a first circular ring part, the tail end of the second handle is provided with a second circular ring part, and the side of the first circular ring part close to the second circular ring part is provided with an abutting part, wherein the first circular ring part and the second circular ring part are arranged to facilitate holding the first handle and the second handle.

[0012] Preferably, the first cutter head, the first handle, the first circular ring part and the abutting part are integrally formed, and the second cutter head, the second handle and the second circular ring part are integrally formed, wherein the integrally formed structure is stable and has high precision.

[0013] The utility model provides a safe artificial lens scissors, has the following beneficial effects:

[0014] The safety artificial lens scissors cuts the artificial lens into long strip-shaped fragments through the cooperation of the second cutting edges and the first cutting edges, and then separates the long strip-shaped fragments from the main body of the artificial lens through the cooperation of the arc-shaped cutting edge and the bottom surface of the shearing groove, the profile of the cut artificial lens is the same as that of the second cutting edges and the arc-shaped cutting edge, the cut strip-shaped fragments are temporarily stored in the receiving groove, the purpose of separating the cut strip-shaped fragments from the main body of the artificial lens is achieved, the cutting efficiency is higher, and the safety artificial lens scissors is simple and convenient to use, solves the problem that the head end of the receiving groove of the existing device is not provided with a cutting edge, the head end of the upper cutter head cannot cut the lens, and the cut fragments cannot be separated from the main body of the lens. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a side view of the structure of this utility model;

[0017] Figure 3 This utility model Figure 1 A magnified structural diagram at point A;

[0018] Figure 4 This utility model Figure 2 A magnified structural diagram at point B.

[0019] In the figure: 1. First handle; 11. First cutter head; 12. Shearing groove; 121. First cutting edge; 13. First circular ring part; 14. Abutting part; 2. Second handle; 21. Second cutter head; 22. Storage groove; 221. Second cutting edge; 222. Curved cutting edge; 23. Second circular ring part; 3. Pin. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example 1:

[0022] like Figures 1-4As shown: including first handle 1 and second handle 2, first handle 1 and second handle 2 are hinged through pin shaft 3, first handle 1 and second handle 2 are provided with first cutter head 11 and second cutter head 21 respectively, the middle part of the side of first cutter head 11 towards second cutter head 21 is provided with shearing groove 12, the middle part of the side of second cutter head 21 towards first cutter head 11 is provided with receiving groove 22, the front and rear side walls of receiving groove 22 are provided with second cutting edge 221, the head end of second cutter head 21 is provided with arc-shaped cutting edge 222, second cutter head 21 is movably sleeved in the inside of shearing groove 12, arc-shaped cutting edge 222 and second cutting edge 221 are smoothly transitioned, the side wall of second cutter head 21 is attached to the inner wall of shearing groove 12, the front and rear side walls of shearing groove 12 are provided with first cutting edge 121 used in cooperation with second cutting edge 221, the artificial lens is sheared into strip-shaped fragments through second cutting edge 221 cooperating with first cutting edge 121, then the strip-shaped fragments of artificial lens can be separated from the main body of artificial lens through arc-shaped cutting edge 222 cooperating with the bottom surface of shearing groove 12, the profile of the sheared artificial lens is same with the profile of second cutting edge 221 and arc-shaped cutting edge 222, and the sheared strip-shaped fragments are temporarily stored in the inside of receiving groove 22, the purpose of facilitating the separation of the sheared strip-shaped fragments from the main body of artificial lens is achieved, the shearing efficiency is higher, and the use is simple and convenient.

[0023] Embodiment 2:

[0024] As Figures 1-2 shown: the tail end of first handle 1 is provided with first circular ring part 13, the tail end of second handle 2 is provided with second circular ring part 23, the side of first circular ring part 13 close to second circular ring part 23 is provided with abutting part 14, first cutter head 11, first handle 1, first circular ring part 13 and abutting part 14 are integrally formed structure, second cutter head 21, second handle 2 and second circular ring part 23 are integrally formed structure, through the setting of first circular ring part 13 and second circular ring part 23, first handle 1 and second handle 2 are convenient to hold, the integrally formed structure is stable and has high accuracy.

[0025] The working principle and use process of the utility model: the safety artificial lens cutter, when in use, first cutter head 11 and second cutter head 21 are moved to the two sides of artificial lens, then artificial lens is sheared, in the shearing process, second cutter head 21 will be close to first cutter head 11, then second cutter head 21 will be clamped in the inside of shearing groove 12, at the same time, second cutting edge 221 will cooperate with first cutting edge 121 to shear artificial lens into strip-shaped, then the strip-shaped artificial lens can be separated from the main body thereof through arc-shaped cutting edge 222 cooperating with the bottom surface of shearing groove 12, the profile of the sheared artificial lens fragment is same with the profile of second cutting edge 221 and arc-shaped cutting edge 222, and the sheared strip-shaped artificial lens fragment is temporarily stored in the inside of receiving groove 22.

[0026] The basic principle and main features of the present application and the advantages of the present application are shown and described above, for those skilled in the art, obviously the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0027] In addition, it should be understood that, although the present application is described in the form of embodiments, not every embodiment contains only one independent technical solution, the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, the technical solutions in each embodiment can also be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A safety intraocular lens scissors, comprising a first handle (1) and a second handle (2), the first handle (1) and the second handle (2) are hinged by a pin shaft (3); a first blade head (11) and a second blade head (21) are respectively arranged on the first handle (1) and the second handle (2), a shearing groove (12) is arranged in the middle of one side of the first blade head (11) facing the second blade head (21), a receiving groove (22) is arranged in the middle of one side of the second blade head (21) facing the first blade head (11), second blades (221) are arranged on the front and rear side walls of the receiving groove (22), an arc blade (222) is arranged at the head end of the second blade head (21), and the second blade head (21) is movably sleeved in the shearing groove (12). characterized in that The arc blade (222) and the second blade (221) are smoothly connected, and the side wall of the second blade head (21) is attached to the inner wall of the shearing groove (12).

2. The safety intraocular lens cutter according to claim 1, wherein: First blades (121) are arranged on the front and rear side walls of the shearing groove (12) and are used in cooperation with the second blades (221).

3. The safety intraocular lens cutter of claim 1, wherein: A first circular ring part (13) is arranged at the tail end of the first handle (1), a second circular ring part (23) is arranged at the tail end of the second handle (2), and an abutting part (14) is arranged on one side of the first circular ring part (13) close to the second circular ring part (23).

4. The safety intraocular lens cutter of claim 1, wherein: The first blade head (11), the first handle (1), the first circular ring part (13) and the abutting part (14) are an integral structure, and the second blade head (21), the second handle (2) and the second circular ring part (23) are an integral structure.

5. The safety intraocular lens cutter of claim 4, wherein: ​

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