CN117695080B

CN117695080B - Artificial crystal extractor

Info

Publication number: CN117695080B
Application number: CN202311720096.4A
Authority: CN
Inventors: 李长根; 王明明; 袁锋
Original assignee: Sihong Aier Medical Instrument Factory
Current assignee: Sihong Aier Medical Instrument Factory
Priority date: 2023-12-14
Filing date: 2023-12-14
Publication date: 2024-05-28
Anticipated expiration: 2043-12-14
Also published as: CN117695080A

Abstract

The present invention discloses an artificial lens extractor, which relates to the technical field of medical ophthalmic instruments. The following scheme is proposed, including: a vertically arranged supporting handle assembly, a lens extraction sleeve assembly clamped and arranged on the top surface of the supporting handle assembly, and a lens implanting forceps assembly arranged above the supporting handle assembly and passing through the inner cavity of the lens extraction sleeve assembly; in the present invention, the lens extraction sleeve is supported by the supporting handle, and a forceps stabilizing assembly is arranged in the sleeve to support the forceps assembly for crystal extraction operation. Compared with the traditional method of cutting the artificial lens into pieces with scissors and then taking them out piece by piece with tweezers, the present invention takes the improvement of the artificial lens implanter as a premise, and buckles are respectively arranged at both ends to fix the lens implantation machine head, and special material lens implantation forceps are used, and the tweezers head is designed to be anti-slip with a round inner opening, and anti-slip patterns are designed to prevent the lens from falling off when being pulled out; thereby reducing damage to the eyes.

Description

Artificial crystal extractor

Technical Field

The invention relates to the technical field of medical ophthalmic instruments, in particular to an artificial lens extractor.

Background

Intraocular lenses, also known as intraocular lenses, are precision optical components that are surgically implanted into the eye in place of the removed self-clouding lens. The main components of human crystals are proteins and water, which cause fogging or clouding due to aging, and the fogging crystals prevent light and images from being projected onto the retina. Damage to the eye, certain diseases, and even certain medications may cause crystal fogging. After the artificial lens is atomized or clouded, the lens needs to be taken out and replaced so as not to affect normal life.

However, no related product is taken out of the intraocular lens in the market at present, the traditional method is to take out the intraocular lens piece by using tweezers after the intraocular lens is sheared by scissors, the sore opening is enlarged on the eyes of a human body, the wound healing is slow, the eyes are damaged when the intraocular lens is sheared by the scissors, and aiming at the defects of the prior art in the market, the invention mainly solves the technical problems in the process of taking out the intraocular lens.

Disclosure of Invention

In view of the above-mentioned drawbacks, the present invention provides an intraocular lens extractor, comprising:

the crystal taking-out sleeve assembly is arranged on the top surface of the supporting handle assembly in a clamping manner, and the crystal implantation forceps assembly is arranged above the supporting handle assembly and penetrates through the inner cavity of the crystal taking-out sleeve assembly;

The supporting handle assembly comprises a stainless steel handle, an arch plate fixed at the top end of the stainless steel handle and two buckles fixed at the left side of the top surface of the arch plate, and two lugs are fixed at the right side of the top surface of the arch plate and used for clamping the position of the crystal taking-out sleeve assembly;

The crystal taking-out sleeve assembly comprises a sleeve, supporting plates fixed on the front side wall and the rear side wall of the sleeve, convex plates fixed at the left end and the right end of each clamping block, clamping blocks clamped with the clamping buckles are fixed on the left side surfaces of the convex plates on the left side, round holes matched with the convex blocks are formed in the convex plates on the right side, and a forceps stabilizing assembly is further arranged in an inner cavity of the sleeve;

The crystal implantation forceps assembly comprises a control handle, a hollow tube fixed on the control handle and a forceps mouth part arranged at the tail end of the hollow tube.

In the above technical solution of an intraocular lens extractor, preferably, the pincer stabilizing assembly includes an inner lining ring fixed in the inner cavity of the sleeve, a circular table fixedly arranged on the side wall of the inner lining ring and a ball movably connected inside the circular table, wherein the ball is located at one end of the outer part of the circular table, a movable tube is movably sleeved on the outer ring of the connecting rod, and a magnet block is hinged at the other end of the movable tube through a hinge.

In the above technical solution of an intraocular lens extractor, preferably, grooves for balls to move are formed in the inner part of the circular table, the balls are clamped in the grooves to move, and cavities for inserting and moving the connecting rod are formed in the inner part of the moving tube.

In the above technical solution of an intraocular lens extractor, preferably, an included angle of 45 ° is formed between the whole stainless steel handle and the axis of the arch-shaped plate, and an anti-slip line is provided on the outer ring surface of the stainless steel handle; the lug is fixed with the cylinder on the one side surface towards the buckle, and the bayonet socket has been seted up on the one side surface towards the lug to the buckle.

In the above technical solution of an intraocular lens extractor, preferably, a side plate is fixed between the front and rear side walls of the sleeve and one side of the supporting plate, which is close to each other, and a clamping block at the left end position of the supporting plate is clamped with a bayonet on the surface of the clamping block in a mutually adaptive manner, and a cylinder on the lug of the round hole at the right side position of the supporting plate penetrates through.

In the above technical solution of an intraocular lens extractor, preferably, the left end of the control handle is connected with a joint, one end of the joint far away from the control handle is connected with the head end of the hollow tube, and a magnet collar is fixed on the outer ring surface of the hollow tube, and the outer surface of the magnet collar is connected with the magnet block through magnetic attraction.

In the above technical solution of an intraocular lens extractor, preferably, the jaw part includes a U-shaped frame fixedly connected to the end of the hollow tube, and two connecting rods disposed in the inner cavity of the U-shaped frame, and two wafer forceps heads are hinged in the left opening position of the U-shaped frame, and the middle sections of the wafer forceps heads are mutually penetrated and hinged by pins, and extension rods are fixed on one sides of the wafer forceps heads in the inner cavity of the U-shaped frame.

In the technical scheme of the intraocular lens extractor, preferably, one end of the connecting rod is hinged to each other, the other end of the connecting rod is hinged to one end of the extending rod, which is located in the inner cavity of the U-shaped frame, and one end of the connecting rod, which is far away from the extending rod, is provided with a steel wire rope, and one end of the steel wire rope, which is far away from the connecting rod, penetrates through the U-shaped frame and the hollow tube to be connected with the control mechanism inside the control handle.

In the above technical scheme of the intraocular lens extractor, preferably, anti-slip patterns are arranged on the surfaces of one sides of the wafer forceps heads, which are close to each other, so that crystals can not fall off when pulled out, the wafer forceps heads are integrally disc-shaped, and the contact surfaces of the outer rings of the wafer forceps heads and the crystals are arc surfaces.

In the above technical solution of an intraocular lens extractor, preferably, a cavity in which the connecting rod, the extension rod and the wafer forceps head are hinged is provided in the interior of the U-shaped frame.

Compared with the prior art, the artificial lens extractor has the following beneficial effects:

According to the technical scheme, the lens taking-out sleeve is supported by the supporting handle, the pincer stabilizing component is arranged in the sleeve to support the pincer component for crystal taking-out operation, compared with the traditional mode that the lens is taken out by forceps piece by piece after being sheared by scissors, the lens implanter is improved, buckles are respectively arranged at two ends to fix the lens implanter head, the forceps is implanted by adopting the special material lens, the pincer head is designed to be anti-slip at the inner opening of a wafer, anti-slip patterns are designed, and the lens can not fall off when pulled out conveniently; thereby reducing damage to the eye.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will make brief description and illustrations of the drawings used in the description of the embodiments of the present invention or the prior art. It is obvious that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is an overall schematic of an assembled intraocular lens removal device;

FIG. 2 is a schematic view of a holding handle assembly in the extractor;

FIG. 3 is a schematic view of a crystal withdrawal sleeve assembly;

FIG. 4 is a schematic view of a lens implantation forceps assembly;

FIG. 5 is a schematic view of a pincer stabilizing assembly within a crystal retrieval sleeve assembly;

Fig. 6 is an enlarged schematic view of the area a in fig. 4.

In fig. 1 to 6, the corresponding relationship of the marks of the components is as follows:

1. Supporting the handle assembly; 11. a stainless steel handle; 12. a arch plate; 13. a bump; 14. a cylinder; 15. a buckle; 2. a crystal removal sleeve assembly; 21. a sleeve; 22. a side plate; 23. a support plate; 24. reinforcing ribs; 25. a clamping block; 26. a convex plate; 27. a round hole; 28. a pincer stabilizing assembly; 281. an inner liner ring; 282. round bench; 283. a ball; 284. a magnet block; 285. a hinge; 286. a movable tube; 287. a connecting rod; 3. a crystal implantation forceps assembly; 31. a control handle; 32. a joint; 33. a magnet collar; 34. a hollow tube; 35. a U-shaped frame; 36. a wire rope; 37. a connecting rod; 38. an extension rod; 39. wafer forceps head.

Detailed Description

The technical solutions of 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 apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In addition, the terms herein: the orientation or positional relationship indicated by "inner, outer", "front, rear", "left, right", "vertical, horizontal", "top, bottom", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the application. In order to make the explanation and the description of the technical solution and the implementation of the present application clearer, several preferred embodiments for implementing the technical solution of the present application are described below.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

Referring to fig. 1 to 6, the technical scheme of the preferred artificial lens extractor is provided:

The technical scheme comprises the following steps:

The crystal taking-out forceps comprises a vertically arranged supporting handle assembly 1, a crystal taking-out sleeve assembly 2 which is clamped and arranged on the top surface of the supporting handle assembly 1, and a crystal implanting forceps assembly 3 which is arranged above the supporting handle assembly 1 and penetrates through the inner cavity of the crystal taking-out sleeve assembly 2; the supporting handle assembly 1 comprises a stainless steel handle 11, a arch plate 12 fixed at the top end of the stainless steel handle 11, and two buckles 15 fixed at the left side of the top surface of the arch plate 12, and two lugs 13 are fixed at the right side of the top surface of the arch plate 12 and used for clamping the position of the crystal taking-out sleeve assembly 2.

The crystal taking-out sleeve assembly 2 comprises a sleeve 21, supporting plates 23 fixed on the front side wall and the rear side wall of the sleeve 21, convex plates 26 fixed at the left end and the right end of a clamping block 25, clamping blocks 25 clamped with the clamping buckles 15 are fixed on the left side surfaces of the left convex plates 26, round holes 27 matched with the convex blocks 13 are formed in the right convex plates 26, and a forceps stabilizing assembly 28 is further arranged in the inner cavity of the sleeve 21; the crystal implantation forceps assembly 3 comprises a control handle 31, a hollow tube 34 fixed on the control handle 31, and a forceps mouth part arranged at the tail end position of the hollow tube 34.

The pincer stabilizing assembly 28 comprises an inner lining ring 281 fixed in the inner cavity of the sleeve 21, a round table 282 which is fixedly arranged on the side wall of the inner cavity of the inner lining ring 281 in a ring-shaped array, and balls 283 which are movably connected inside the round table 282, wherein one ends of the balls 283 outside the round table 282 are respectively fixedly provided with a connecting rod 287, the outer ring of the connecting rod 287 is movably sleeved with a movable pipe 286, and the other ends of the movable pipes 286 are hinged with a magnet block 284 through hinges 285. Grooves for the balls 283 to move are formed in the inner portion of the round table 282, the balls 283 are clamped in the grooves to move, and chambers for the connecting rod 287 to insert and move are formed in the inner portion of the movable tube 286.

An included angle of 45 degrees is formed between the whole stainless steel handle 11 and the axis of the arch plate 12, and anti-skid lines are arranged on the surface of the outer ring of the stainless steel handle 11; a cylinder 14 is fixed on the surface of one side of the protruding block 13 facing the buckle 15, and a bayonet is arranged on the surface of one side of the buckle 15 facing the protruding block 13.

A side plate 22 is fixed between the front and rear side walls of the sleeve 21 and one side of the supporting plate 23, which is close to each other, and a clamping block 25 at the left end position of the supporting plate 23 is mutually matched and clamped with a bayonet on the surface of the clamping buckle 15, and a round hole 27 at the right side position of the supporting plate 23 is penetrated by a cylinder 14 on the convex block 13. The left end of control handle 31 is connected with connects 32, and the one end that connects 32 kept away from control handle 31 is connected with the head end of cavity pipe 34, and is fixed with magnet lantern ring 33 on the outer lane surface of cavity pipe 34, is connected through the magnetism between magnet lantern ring 33's surface and the magnet piece 284 each other.

The clamp mouth part comprises a U-shaped frame 35 fixedly connected to the tail end of the hollow tube 34 and two connecting rods 37 arranged in the inner cavity of the U-shaped frame 35, two wafer forceps heads 39 are hinged in the left opening position of the U-shaped frame 35, the middle sections of the wafer forceps heads 39 are mutually penetrated and hinged through pins, and extension rods 38 are fixed on one sides of the wafer forceps heads 39 in the inner cavity of the U-shaped frame 35.

One end of the connecting rod 37 is hinged with each other, the other end of the connecting rod 37 is hinged with one end of the extension rod 38 located in the inner cavity of the U-shaped frame 35, one end of the connecting rod 37 away from the extension rod 38 is provided with a steel wire rope 36, and one end of the steel wire rope 36 away from the connecting rod 37 penetrates through the U-shaped frame 35 and the hollow tube 34 to be connected with a control mechanism inside the control handle 31. The surfaces of the sides of the wafer forceps heads 39, which are close to each other, are all provided with anti-slip patterns, so that crystals can not fall off when being pulled out, the whole wafer forceps heads 39 are circular, and the contact surfaces of the outer rings of the wafer forceps heads 39 and the crystals are circular arc surfaces.

According to the preferred technical scheme provided in the embodiment, the use flow of the technical scheme is elaborated and described in detail:

When the intraocular lens of eye is taken out the operation, with the inside round hole 27 of flange 26 aim at the cylinder 14 on the lug 13, after the cylinder 14 inserts the inside of round hole 27, push down the crystal and take out sleeve pipe assembly 2 downwards and let fixture block 25 card go into the bayonet socket of buckle 15, realize the operation that the crystal takes out sleeve pipe assembly 2 is fixed on holding handle assembly 1, and the contained angle that forms between stainless steel handle 11 and the arched plate 12 makes to hold more in line with human engineering.

The hollow tube 34 is then inserted into the inner lining ring 281 until the magnet collar 33 of the outer ring of the hollow tube 34 reaches 248, the magnet blocks 284 are firmly attracted to the magnet collar 33 under the influence of magnetic attraction, the hollow tube 34 is restrained at this time, and then the control handle 31 is operated to enable the wafer forceps heads 39 to be close to the intraocular lens of the eyes until the wafer forceps heads 39 clamp the intraocular lens and pull the intraocular lens out by means of anti-slip patterns.

In the process that the wafer forceps head 39 approaches the eyes, as the ball 283 can freely move in the round table 282 and is matched with the connecting rod 287 to stretch out and draw back in the inner cavity of the movable tube 286, the stable support of the hollow tube 34 is realized, and meanwhile, the normal movement of the crystal implantation forceps assembly 3 is not influenced; when the wire rope 36 is pulled by pinching both sides of the control handle 31, the pulling of the wire rope 36 moves the traction link 37 backward, so that the angle between the wafer forceps head 39 and the lens is reduced until the lens is gripped.

Finally, it should be further noted that the structures, proportions, sizes, etc. shown in the drawings are merely for the purpose of understanding and reading the disclosure, and are not intended to limit the applicable scope of the present application, so that any structural modifications, proportional changes, or adjustments of sizes may not be technically significant, and all fall within the scope of the disclosure without affecting the efficacy and achievement of the present application.

Claims

1. An intraocular lens extractor, comprising:

A vertically arranged support handle assembly (1), a lens removal sleeve assembly (2) clamped and arranged on the top surface of the support handle assembly (1), and a lens implantation forceps assembly (3) arranged above the support handle assembly (1) and passing through the inner cavity of the lens removal sleeve assembly (2);

The support handle assembly (1) comprises a stainless steel handle (11), an arched plate (12) fixed to the top of the stainless steel handle (11), and two buckles (15) fixed to the left side of the top surface of the arched plate (12), and two protrusions (13) are fixed to the right side of the top surface of the arched plate (12) for clamping the position of the crystal removal sleeve assembly (2);

The crystal removal sleeve assembly (2) comprises a sleeve (21), a support plate (23) fixed on the front and rear side walls of the sleeve (21), and convex plates (26) fixed on the left and right ends of the clamping block (25), and the left side surface of the convex plate (26) on the left side is fixed with a clamping block (25) clamped with the buckle (15), and the inside of the convex plate (26) on the right side is provided with a circular hole (27) matched with the convex block (13), and a forceps stabilizing assembly (28) is also provided in the inner cavity of the sleeve (21);

The lens implantation forceps assembly (3) comprises a control handle (31), a hollow tube (34) fixed on the control handle (31), and a forceps mouth component arranged at the end position of the hollow tube (34); the forceps stabilizing assembly (28) comprises an inner lining ring (281) fixed in the inner cavity of the sleeve (21), a truncated table (282) fixedly arranged in an annular array on the inner cavity side wall of the inner lining ring (281), and a ball (283) movably connected to the inside of the truncated table (282); a connecting rod (287) is fixed to one end of the ball (283) located outside the truncated table (282); an outer ring of the connecting rod (287) is movably sleeved with a movable tube (286); The other end of the tube (286) is hingedly connected to a magnet block (284) via a hinge (285); a groove for the movement of a ball (283) is provided inside the truncated table (282); the ball (283) is stuck in the groove and moves; a chamber for the insertion and movement of a connecting rod (287) is provided inside the movable tube (286); a joint (32) is connected to the left end of the control handle (31); an end of the joint (32) away from the control handle (31) is connected to the head end of the hollow tube (34); a magnet ring (33) is fixed on the outer ring surface of the hollow tube (34); and the outer surface of the magnet ring (33) and the magnet block (284) are connected to each other by magnetic attraction.

2. An intraocular lens extractor according to claim 1, characterized in that the stainless steel handle (11) as a whole forms an angle of 45° with the axis of the arch plate (12), and the outer ring surface of the stainless steel handle (11) is provided with anti-slip patterns; a cylinder (14) is fixed on the surface of the side of the protrusion (13) facing the buckle (15), and a bayonet is provided on the surface of the side of the buckle (15) facing the protrusion (13).

3. An intraocular lens extractor according to claim 1, characterized in that a side plate (22) is fixed between the front and rear side walls of the sleeve (21) and the side where the support plate (23) is close to each other, and the block (25) at the left end of the support plate (23) and the snap-on opening on the surface of the buckle (15) are adapted to be engaged with each other, and the circular hole (27) at the right side of the support plate (23) is penetrated by the cylinder (14) on the protrusion (13).

4. An intraocular lens extractor according to claim 1, characterized in that the pliers mouth component includes a U-shaped frame (35) fixedly connected to the end of the hollow tube (34), and two connecting rods (37) arranged in the inner cavity of the U-shaped frame (35), and two circular tweezers heads (39) are hinged in the left opening position of the U-shaped frame (35), and the middle sections of the circular tweezers heads (39) are hinged to each other through pins, and an extension rod (38) is fixed on one side of the circular tweezers heads (39) located in the inner cavity of the U-shaped frame (35).

5. An intraocular lens extractor according to claim 4, characterized in that one end of the connecting rod (37) is hinged to each other, the other end of the connecting rod (37) is hinged to one end of the extension rod (38) located in the inner cavity of the U-shaped frame (35), and a steel wire rope (36) is provided at one end of the connecting rod (37) away from the extension rod (38), and the end of the steel wire rope (36) away from the connecting rod (37) passes through the U-shaped frame (35) and the hollow tube (34) and is connected to the control mechanism inside the control handle (31).

6. An intraocular lens extractor according to claim 4, characterized in that the surfaces of the wafer tweezers (39) on one side close to each other are provided with anti-slip grooves to prevent the lens from falling off when being pulled out, and the wafer tweezers (39) are generally in the shape of a circular plate, and the outer ring of the wafer tweezers (39) and the contact surface with the lens are both arc surfaces.

7. An intraocular lens extractor according to claim 5, characterized in that a cavity is provided inside the U-shaped frame (35) for the connecting rod (37), the extension rod (38) and the wafer forceps head (39) to be hinged and movable.