Intraocular lens extractor capable of realizing coherent pushing and clamping operation

Abstract

The utility model discloses an intraocular lens extractor capable of achieving continuous pushing and clamping operation, relates to the field of medical instruments, solves the problem that an existing device is difficult to continuously clamp and take out an intraocular lens according to requirements, and adopts the following scheme that the intraocular lens extractor comprises an outer cylinder mechanism and an inner cylinder mechanism, and a pull rod assembly is further arranged in the inner cylinder mechanism; the bottom end of the outer cylinder mechanism is fixedly provided with an abutting cover expanding outwards. A main body of the outer cylinder mechanism is an outer cylinder body, a rotating rod is assembled on the inner side of the bottom end of the inner cylinder body, and a pull rod assembly is hinged to the bottom end of the inner cylinder mechanism through the rotating rod; according to the intraocular lens extractor capable of achieving pushing and clamping coherent operation, by arranging an outer cylinder mechanism, an inner cylinder mechanism on the inner side of the outer cylinder mechanism and a pull rod assembly, the inner cylinder mechanism on the inner side of the outer cylinder mechanism is pressed downwards, so that a clamping frame at the bottom end in the pull rod assembly is located on the outer side of an intraocular lens, and then the pull rod assembly is pulled outwards, so that the two sets of clamping frames at the bottom end of the pull rod assembly synchronously rotate inwards; and therefore, the effect of efficiently clamping the intraocular lens is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, concretely is a kind of artificial crystal extractor that can realize push and clip coherent operation. BACKGROUND

[0002] At present, cataract phacoemulsification and intraocular lens implantation is the main means of treating cataract, and abnormal or inappropriate may occur during or after the implantation of intraocular lens, so the intraocular lens needs to be removed or replaced.

[0003] According to the search, the application No. 201820320112.9 application discloses an artificial crystal extraction device, which comprises a clamp and a folder. The clamp comprises a elastic clamping piece and a metal sleeve sleeved outside the elastic clamping piece. The upper surface of the elastic clamping piece is provided with a button. The sawtooth at the front end of the elastic clamping piece and the metal sheet at the front end of the metal sleeve form a clamp structure. The folder comprises a hollow metal shell and an artificial crystal storage part. The front end of the hollow metal shell is provided with a wedge-shaped head. The top of the hollow metal shell is provided with a sliding groove one and a sliding groove two. The artificial crystal storage part is sleeved in the hollow metal shell. The push-pull key of the artificial crystal storage part is installed on the sliding groove two. The front end of the artificial crystal storage part is provided with a silica gel sleeve. The clamp of the clamp is sleeved in the clamp sleeve hole on the artificial crystal storage part. The button is installed on the sliding groove one. The utility model can fold the artificial crystal in the eye and take out the artificial crystal completely without expanding the incision or cutting the artificial crystal, under the size of the conventional cataract phacoemulsification surgical incision.

[0004] The above-mentioned application file realizes the effect of pushing and clamping to take out the artificial crystal by the setting of the clamping assembly, but the pushing mode has limited effect. In addition, how to conveniently and quickly and stably take out the artificial crystal, reduce the operation time and reduce the damage of the operation of taking out the artificial crystal to the eye structure has become a problem to be solved.

[0005] Therefore, we propose an artificial crystal extractor that can realize push and clip coherent operation. Utility model content

[0006] In view of the shortcomings of the prior art, the utility model provides an artificial crystal extractor that can realize push and clip coherent operation. The device is simple to operate, can quickly and stably clamp the artificial crystal, avoids the phenomenon of artificial crystal falling caused by unstable clamping, and compared with the traditional method of cutting the artificial crystal with scissors and then taking out the fragments, the design can realize the in-eye folding of the artificial crystal without expanding the surgical incision, and the artificial crystal can be taken out completely, avoiding the damage of the artificial crystal to the intraocular structure, such as corneal endothelium, during the operation.

[0007] In order to achieve the above object, the utility model discloses a kind of coherent operation of push-clamp can be realized intraocular lens extractor, including outer tube mechanism and the inner tube mechanism of sliding sleeve inside it, the inner tube mechanism is also provided with pull rod assembly, and the bottom of outer tube mechanism is fixedly installed with the cover of outward expansion, can be realized in its eye to fold for artificial crystal;

[0008] The main body of the outer tube mechanism is an outer cylinder, and the bottom of the outer cylinder is fixedly installed with an end cover.

[0009] The main body of the pull rod assembly is a sleeve column, and the bottom of the sleeve column is fixedly connected with a steel wire column.

[0010] As a preferred scheme of the utility model, the outer end of the sleeve column is fixedly installed with a pull handle located outside the inner tube mechanism, and the sleeve column is slidingly sleeved inside the inner tube of the inner tube mechanism.

[0011] The pull handle is provided to facilitate the user to pull it outward, so that the two sets of clamping frames in the pull rod assembly rotate inward, thereby achieving the effect of efficiently clamping the artificial crystal.

[0012] As a preferred scheme of the utility model, the finger rest is connected with the outer cylinder through a spring set, and the bottom of the finger rest is fixedly installed with a sliding cylinder slidingly sleeved inside the outer cylinder.

[0013] The spring set is provided to facilitate automatic reset after pressing the pull rod assembly, thereby achieving the effect of manually taking out the clamped artificial crystal.

[0014] As a preferred scheme of the utility model, the bottom of the end cover is provided with an end pipe in the form of a vertical pipe, the bottom of the end pipe is provided with four sets of sliding grooves opposite in position, and the outer wall of the bottom of the inner cylinder is fixedly installed with four sets of sliding cards slidingly sleeved in the sliding grooves.

[0015] The end cover is provided to facilitate the sliding grooves in it, and the sliding cards on the inner cylinder are also slidingly sleeved in the sliding grooves, ensuring the stability when sliding up and down.

[0016] As a preferred scheme of the utility model, the inner side of the bottom of the inner cylinder is fixedly installed with a support card in the form of a rectangular frame, and the inner side of the support card is fixedly installed with a horizontal rotating rod.

[0017] The setting of the supporting card and the rotating rod inside the supporting card facilitates rotating the clamping frame in the pulling rod assembly, and the clamping frame is high-efficiently clamped to the artificial lens when being synchronously rotated inward, so that the clamping, folding and taking out are continuous.

[0018] As a preferred scheme of the utility model, the bottom end of the inner cylinder body is slidably sleeved in the inner side of the end pipe in the bottom end cover of the outer cylinder mechanism.

[0019] The utility model provides a kind of artificial lens extractor that can realize push and clamp coherent operation.It has the following beneficial effects:

[0020] The artificial lens extractor that can realize push and clamp coherent operation, by the setting of outer cylinder mechanism and its inner side inner cylinder mechanism and pulling rod assembly, the inner cylinder mechanism in the inner side of outer cylinder mechanism is pressed down, the clamping frame at the bottom end in pulling rod assembly is at the outer side of artificial lens, then the pulling rod assembly is pulled out, and the two sets of clamping frames at its bottom end are synchronously rotated inward, so that the effect of high-efficiently clamping artificial lens is achieved, finally, the inner cylinder mechanism is loosened, and the pulling rod assembly in its inner side is reset by the setting of spring group, to achieve the effect of coherent clamping and taking out artificial lens, solve the problem that existing device is difficult to stably, quickly and coherently clamp and take out artificial lens, while reducing operation time and reducing operation risk. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the utility model;

[0022] Figure 2 It is a structural schematic view of the inner side of outer cylinder mechanism of the utility model;

[0023] Figure 3 It is a structural schematic view of pulling rod structure of the utility model;

[0024] Figure 4 It is a structural schematic view of inner cylinder mechanism of the utility model.

[0025] In the drawing: 1, outer cylinder mechanism; 11, outer cylinder body; 12, end cover; 13, sliding groove; 2, inner cylinder mechanism; 21, finger seat; 22, inner cylinder body; 23, sliding card; 24, supporting card; 25, rotating rod; 3, pulling rod assembly; 31, sleeve column; 32, pulling handle; 33, steel wire column; 34, pulling frame; 35, clamping frame; 36, sleeve hole; 4, spring group; 5, abutting cover. DETAILED DESCRIPTION

[0026] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] Please refer to Figures 1-4 The present application provides a technical solution: a lens plucker capable of realizing push-clamp coherent operation, comprising an outer cylinder mechanism 1 and an inner cylinder mechanism 2 slidably sleeved on the inner side of the outer cylinder mechanism 1, a pull rod assembly 3 is further arranged in the inner cylinder mechanism 2, and an outwardly expanding cover 5 is fixedly installed at the bottom end of the outer cylinder mechanism 1; the main body of the outer cylinder mechanism 1 is an outer cylinder body 11, an end cover 12 is fixedly installed at the bottom end of the outer cylinder body 11, the inner cylinder mechanism 2 comprises a finger seat 21 and an inner cylinder body 22 fixedly installed at the bottom side of the finger seat 21, a rotating rod 25 is assembled on the inner side of the bottom end of the inner cylinder body 22, and the pull rod assembly 3 is hinged to the bottom end of the inner cylinder mechanism 2 through the rotating rod 25; the main body of the pull rod assembly 3 is a sleeve column 31, a steel wire column 33 is fixedly connected to the bottom end of the sleeve column 31, the steel wire column 33 is fixedly connected to the bottom end of the steel wire column 33, a pull frame 34 is fixedly connected to the bottom end of the steel wire column 33, a clamping frame 35 is hinged to the tail end of the pull frame 34, and a sleeve hole 36 is formed in the clamping frame 35 and rotatably sleeved on the rotating rod 25;

[0028] The lens plucker capable of realizing push-clamp coherent operation is provided with the outer cylinder mechanism 1, the inner cylinder mechanism 2 on the inner side of the outer cylinder mechanism 1, and the pull rod assembly 3, the inner cylinder mechanism 2 on the inner side of the outer cylinder mechanism 1 is pressed down, the clamping frame 35 at the bottom end of the pull rod assembly 3 is located on the outer side of the artificial lens, then the pull rod assembly 3 is pulled outwards, the two groups of clamping frames 35 at the bottom end thereof are synchronously rotated inwards, thereby achieving the effect of efficiently clamping the artificial lens, finally the inner cylinder mechanism 2 is loosened, the inner cylinder mechanism 2 and the pull rod assembly 3 on the inner side thereof are reset by the arrangement of the spring assembly 4, thereby achieving the effect of coherently clamping and taking out the artificial lens, and the problem that the existing device is difficult to coherently clamp and take out the artificial lens according to requirements is solved.

[0029] Embodiment 2:

[0030] The outer end of the sleeve column 31 is fixedly installed with a pull handle 32 located on the outer side of the inner cylinder mechanism 2, and the sleeve column 31 is slidably sleeved on the inner side of the inner cylinder body 22 in the inner cylinder mechanism 2; the arrangement of the pull handle 32 facilitates the user to pull it to move outward, thereby rotating the two groups of clamping frames 35 in the pull rod assembly 3 inwards, and thereby achieving the effect of efficiently clamping the artificial lens.

[0031] The finger seat 21 is connected with the outer cylinder 11 through the spring set 4, and the bottom of the finger seat 21 is fixedly installed with a sliding cylinder which is slidably sleeved on the inner side of the outer cylinder 11; wherein, the spring set 4 is arranged to facilitate automatic reset after the press-fitting of the pull rod assembly 3, so as to achieve the effect of manually taking out the clamped artificial lens.

[0032] The bottom end of the end cover 12 is provided with an end pipe in the form of a vertical pipe, four groups of sliding grooves 13 are formed in the bottom end of the end pipe, and four groups of sliding cards 23 are fixedly installed on the outer wall of the bottom end of the inner cylinder 22 and slidably sleeved in the sliding grooves 13; wherein, the end cover 12 is arranged to facilitate the formation of the sliding grooves 13 therein, and also facilitates the sliding of the sliding cards 23 on the inner cylinder 22 to be sleeved in the sliding grooves 13, thereby ensuring the stability during the up-and-down sliding.

[0033] The inner side of the bottom end of the inner cylinder 22 is fixedly installed with a support card 24 in the form of a rectangular frame, and the inner side of the support card 24 is fixedly installed with a transversely arranged rotating rod 25; wherein, the support card 24 and the rotating rod 25 on the inner side thereof are arranged to facilitate the rotating sleeve of the clamping frame 35 in the pull rod assembly 3 on the inner side thereof, so that the artificial lens is efficiently clamped when synchronously rotating inward, thereby facilitating the continuous clamping and taking out.

[0034] The bottom end of the inner cylinder 22 is slidably sleeved on the inner side of the end pipe in the end cover 12 at the bottom end of the outer cylinder mechanism 1.

[0035] The working principle and use process of the utility model are as follows: when the device is needed to take out the artificial lens of the eye, the abutment cover 5 at the bottom end of the outer cylinder mechanism 1 is abutted on the corresponding position, then the inner cylinder mechanism 2 is pressed down, the clamping frame 35 at the bottom end of the pull rod assembly 3 is located on the outer side of the artificial lens, then the pull handle 32 is pulled outward, the two groups of clamping frames 35 are synchronously rotated inward, the artificial lens is clamped, and finally the inner cylinder mechanism 2 is released, the inner cylinder mechanism 2 and the pull rod assembly 3 are automatically reset under the influence of the spring set 4, thereby achieving the effect of continuous clamping and taking out of the artificial lens.

[0036] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model.

Claims

1. An intraocular lens extractor capable of performing a continuous push-clamp operation, characterized in that: It includes an outer cylinder mechanism (1) and an inner cylinder mechanism (2) that slides inside it. The inner cylinder mechanism (2) is also provided with a pull rod assembly (3), and the bottom end of the outer cylinder mechanism (1) is fixedly installed with an outwardly expanding cover (5). The outer cylinder mechanism (1) is mainly composed of an outer cylinder body (11), and an end cover (12) is fixedly installed at the bottom end of the outer cylinder body (11). The inner cylinder mechanism (2) includes a finger seat (21) and an inner cylinder body (22) fixedly installed on its bottom side. A rotating rod (25) is assembled on the inner side of the bottom end of the inner cylinder body (22), and a pull rod assembly (3) is hinged to the bottom end of the inner cylinder mechanism (2) through the rotating rod (25). The main body of the pull rod assembly (3) is a sleeve column (31). A steel wire column (33) is fixedly connected to the bottom end of the sleeve column (31). A steel wire column (33) is fixedly connected to the bottom end of the steel wire column (33). A pull frame (34) is fixedly connected to the bottom end of the steel wire column (33). A clamp (35) is hinged to the tail end of the pull frame (34), and a sleeve hole (36) is provided in the clamp (35) for rotating and fitting onto the rotating rod (25).

2. The intraocular lens extractor according to claim 1, characterized in that: The outer end of the sleeve (31) is fixedly installed with a pull handle (32) located outside the inner cylinder mechanism (2), and the sleeve (31) is slidably fitted inside the inner cylinder body (22) of the inner cylinder mechanism (2).

3. The intraocular lens extractor according to claim 1, characterized in that: The finger seat (21) is connected to the outer cylinder (11) by a spring assembly (4), and a sliding sleeve that is slidably fitted inside the outer cylinder (11) is fixedly installed at the bottom of the finger seat (21).

4. The intraocular lens extractor according to claim 1, characterized in that: The end cover (12) has a vertical end tube at its bottom end. The bottom end of the end tube has four sets of opposite sliding grooves (13). The outer wall of the bottom end of the inner cylinder (22) is fixedly equipped with four sets of sliding clips (23) that are slidably fitted in the sliding grooves (13).

5. The intraocular lens extractor according to claim 4, characterized in that: A rectangular bracket (24) is fixedly installed on the inner side of the bottom end of the inner cylinder (22), and a horizontally arranged rotating rod (25) is fixedly installed on the inner side of the bracket (24).

6. The intraocular lens extractor according to claim 5, characterized in that: The bottom end of the inner cylinder (22) is slidably fitted inside the end tube of the bottom end cover (12) of the outer cylinder mechanism (1).

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