Cornea stroma lens transplantation fixing device

Abstract

The utility model discloses a cornea stroma lens transplantation fixing device, which comprises a main body component, a lens fixing component and a lens fixing component, a hole is formed in the middle of the handle and penetrates through the whole handle; the adjusting assembly comprises a connecting rod, a connecting disc, a support, a clamping contact, an external thread and an internal thread; the internal thread is arranged at the lower end inside the handle, the connecting rod is inserted into the handle, the external thread is arranged at the lower section of the connecting rod, the connecting disc is connected to the lower end of the connecting rod through the countersunk head screw, the support is welded below the connecting disc, and the clamping contact is welded to the lower end of the support. The handle and the connecting rod are in threaded connection through the internal threads and the external threads. The problems that according to an existing fixing method, a lens is clamped through two clamping rods, the fixing effect and operation convenience cannot be considered at the same time, displacement or overturning of the lens in the transplanting process is likely to be caused, attachment and growth of cells are affected, and then the long-term effect of an operation is affected are solved.

Description

Technical Field

[0001] The utility model relates to an ophthalmic surgical instrument, in particular to a corneal stroma lens transplantation fixing device. Background Art

[0002] Vision is one of the main ways for humans to perceive the world, and the cornea, as the most anterior tissue of the eyeball, is crucial to the quality of vision due to its transparency and morphology. Corneal diseases are an important cause of vision loss and even blindness. Among many treatment methods, corneal transplantation is an effective way to restore vision, especially for patients whose vision is severely impaired due to corneal opacity, corneal deformation or other corneal lesions. In recent years, the development of tissue engineering technology has provided new ideas for corneal transplantation. Among them, the corneal stroma lens derived from modern ophthalmic surgical techniques such as small incision refractive correction (SMILE) has shown broad application prospects as a new type of corneal transplant material. This lens can be used as a scaffold for cell culture and for the culture and transplantation of corneal cells, which can not only reduce the dependence on donor corneas, but also improve the safety and success rate of transplantation surgery.

[0003] However, it still has the following disadvantages in actual use:

[0004] The existing fixation method is to clamp the lens with two clamping rods, which often fails to take into account both the fixation effect and the ease of operation, and easily causes the lens to shift or flip during the transplantation process, affecting the attachment and growth of cells, and further affecting the long-term effect of the operation. Summary of the invention

[0005] The purpose of the utility model is to provide a corneal stroma lens transplantation fixing device to solve the problem raised in the above background technology that the existing fixing method is to clamp the lens by two clamping rods, which often cannot take into account both the fixing effect and the ease of operation, and easily causes the lens to be displaced or flipped during the transplantation process, affecting the attachment and growth of cells, and further affecting the long-term effect of the operation.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] A corneal stromal lens transplantation fixing device, comprising:

[0008] A main body assembly, the main body assembly comprising a handle;

[0009] A hole is provided in the middle of the handle, running through the entire handle;

[0010] An adjustment assembly, the adjustment assembly comprising a connecting rod, a connecting plate, a bracket, a clamping contact, an external thread and an internal thread;

[0011] The internal thread is provided at the lower end of the handle, the connecting rod is inserted into the handle, the external thread is provided at the lower section of the connecting rod, the connecting plate is connected to the lower end of the connecting rod by a countersunk screw, the bracket is welded below the connecting plate, and the clamping contact is welded to the lower end of the bracket;

[0012] The handle and the connecting rod are screwed together via internal threads and external threads.

[0013] Furthermore, the adjustment assembly also includes a knob, and the knob is welded to the top end of the connecting rod and is located outside the handle.

[0014] Furthermore, the adjustment component also includes a wear-resistant sleeve, and the wear-resistant sleeve is sleeved on the lower end of the handle, and the edge of the sleeve is arc-shaped.

[0015] Furthermore, there are five groups of the brackets and clamping contacts, which are annularly symmetrical.

[0016] Further, a handheld assembly is also included;

[0017] The handheld assembly comprises a rubber sleeve, and the rubber sleeve is sleeved on the outside of the handle.

[0018] Further, the handheld assembly also includes grooves and anti-slip points;

[0019] The grooves are arranged on the rubber sleeve and are evenly distributed, and the anti-slip points are injection-molded and connected to the rubber sleeve and are evenly distributed.

[0020] Compared with the prior art, the advantages of the present invention are:

[0021] 1. The utility model, through the setting of the adjustment component, turns the knob, drives the external thread on the connecting rod to rotate in the external thread at the lower end of the handle, so that the connecting rod can move up and down along the middle of the handle, and at this time can drive the connecting plate and the bracket to move up and down, the bracket moves up and down, and the inner diameter between the brackets can be adjusted as the connecting rod moves up and down. The five groups of brackets and clamping contacts are more stable during the clamping process, and the five groups of brackets with symmetrical distribution are also conducive to suturing and precise positioning. This setting can adjust the bracket spacing according to the size of the lens, and reduce the damage to the lens during the clamping process, and reduce the risk of corneal damage.

[0022] Second, the utility model provides a hand-held component, wraps a rubber sleeve around the outside of the handle, and provides grooves and anti-slip points, which are convenient for hand-holding and can prevent the handle from falling off during surgery. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the handle structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the handheld component of the utility model.

[0028] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0029] 10. Handle; 20. Connecting rod; 21. Knob; 22. Wear-resistant sleeve; 23. Connecting plate; 24. Bracket; 25. Clamping contact; 26. External thread; 27. Internal thread; 30. Rubber sleeve; 31. Groove; 32. Anti-slip point. Implementation

[0030] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0032] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0033] See also Figure 1-3 As shown, this embodiment is a corneal stroma lens transplantation fixing device, comprising:

[0034] A main body component, the main body component includes a handle 10;

[0035] A hole is provided in the middle of the handle 10, running through the entire handle 10;

[0036] The handle 10 is convenient for hand-held operation;

[0037] An adjustment assembly, the adjustment assembly includes a connecting rod 20, a connecting plate 23, a bracket 24, a clamping contact 25, an external thread 26 and an internal thread 27;

[0038] The internal thread 27 is provided at the lower end of the handle 10, the connecting rod 20 is inserted into the handle 10, the external thread 26 is provided at the lower section of the connecting rod 20, the connecting plate 23 is connected to the lower end of the connecting rod 20 by a countersunk screw, the bracket 24 is welded below the connecting plate 23, and the clamping contact 25 is welded to the lower end of the bracket 24;

[0039] The handle 10 and the connecting rod 20 are screwed together through the internal thread 27 and the external thread 26;

[0040] The connecting rod 20 and the connecting plate 23 play a connecting role, the bracket 24 plays a clamping role, the clamping contact 25 can better connect the lens, and the external thread 26 and the internal thread 27 facilitate the adjustment of the connecting rod 20;

[0041] The adjustment assembly further includes a knob 21, and the knob 21 is welded to the top end of the connecting rod 20 and is located outside the handle 10;

[0042] The knob 21 facilitates the rotation of the connecting rod 20;

[0043] The adjustment assembly also includes a wear-resistant sleeve 22, and the wear-resistant sleeve 22 is sleeved on the lower end of the handle 10, and the edge is arc-shaped;

[0044] The wear-resistant sleeve 22 can reduce the wear of the bracket 24 when it moves at the lower end of the handle 10;

[0045] There are five groups of brackets 24 and clamping contacts 25, which are annularly symmetrical;

[0046] Providing five groups of brackets 24 and clamping contacts 25 can make the clamping more stable.

[0047] Working principle:

[0048] Turn the knob 21 to drive the connecting rod 20 to move downward along the handle 10, and the external thread 26 rotates on the internal thread 27;

[0049] The connecting rod 20 moves downward and drives the connecting plate 23 to move downward, so that the bracket 24 moves downward and opens. At this time, the clamping contact 25 at the lower end of the bracket 24 is placed on the periphery of the lens;

[0050] Rotate the knob 21 in the opposite direction to drive the connecting rod 20 to move upward, thereby driving the bracket 24 and the clamping contact 25 to move upward and clamp the lens;

[0051] The lens is placed at the surgical site, the knob 21 is turned, the connecting rod 20 moves downward, the bracket 24 and the clamping contact 25 are opened downward, and then the handle 10 is removed for subsequent surgical suturing.

[0052] This step can reduce damage to the lens during the clamping process and reduce the risk of corneal damage.

[0053] See also Figure 4 This embodiment is based on the above embodiment 1 and further includes:

[0054] A handheld component, the handheld component includes a rubber sleeve 30, and the rubber sleeve 30 is sleeved on the outside of the handle 10;

[0055] The rubber sleeve 30 is used to wrap the handle 10 to increase the convenience of holding the handle 10;

[0056] The handheld assembly also includes a groove 31 and an anti-slip point 32;

[0057] The grooves 31 are formed on the rubber sleeve 30 and are evenly distributed. The anti-slip points 32 are injection-molded and connected to the rubber sleeve 30 and are evenly distributed.

[0058] The grooves 31 and the anti-slip points 32 can increase friction resistance to prevent the handle 10 from slipping when held.

[0059] Working principle:

[0060] Put the rubber sleeve 30 on the handle 10, select the appropriate groove 31 or anti-slip point 32 on the rubber sleeve 30, hold the rubber sleeve 30 with fingers, and then start the operation.

[0061] This step can prevent the handle 10 from accidentally slipping when held.

[0062] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0063] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A corneal stromal lens transplantation fixing device, characterized in that: include: A main body component, the main body component comprising a handle (10); a hole is provided in the middle of the handle (10) and runs through the entire handle (10); an adjustment component, the adjustment component comprising a connecting rod (20), a connecting plate (23), a bracket (24), a clamping contact (25), an external thread (26) and an internal thread (27); the internal thread (27) is provided at the lower end of the handle (10), the connecting rod (20) is inserted into the handle (10), the external thread (26) is provided at the lower section of the connecting rod (20), the connecting plate (23) is connected to the lower end of the connecting rod (20) by means of a countersunk screw, the bracket (24) is welded below the connecting plate (23), and the clamping contact (25) is welded to the lower end of the bracket (24); the handle (10) and the connecting rod (20) are screwed together by means of the internal thread (27) and the external thread (26).

2. A corneal stromal lens transplantation fixing device according to claim 1, characterized in that: The adjustment assembly further comprises a knob (21), and the knob (21) is welded to the top end of the connecting rod (20) and is located outside the handle (10).

3. A corneal stromal lens transplantation fixing device according to claim 1, characterized in that: The adjustment assembly further comprises a wear-resistant sleeve (22), and the wear-resistant sleeve (22) is sleeved on the lower end of the handle (10), and the edge of the wear-resistant sleeve (22) is arc-shaped.

4. A corneal stromal lens transplantation fixing device according to claim 1, characterized in that: There are five groups of the brackets (24) and the clamping contacts (25) in total, which are annularly symmetrical.

5. A corneal stromal lens transplantation fixing device according to claim 1, characterized in that: It also comprises a handheld component; the handheld component comprises a rubber sleeve (30), and the rubber sleeve (30) is sleeved on the outside of the handle (10).

6. A corneal stromal lens transplantation fixing device according to claim 5, characterized in that: The handheld component further comprises a groove (31) and anti-slip points (32); the groove (31) is formed on the rubber sleeve (30) and is evenly distributed, and the anti-slip points (32) are injection-molded and connected to the rubber sleeve (30) and are evenly distributed.

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