CN219680935U - Ophthalmic surgical knife with angle positioning function - Google Patents

Abstract

The utility model relates to the technical field of medical instruments and discloses an ophthalmic surgical knife with an angle positioning function, which comprises a knife handle, wherein a storage groove is fixedly formed in the inner wall of the knife handle, a blade is rotatably connected to the inner wall of the storage groove, a rotating shaft which vertically penetrates through the junction of the knife handle and the blade is fixedly connected to the side wall of the storage groove, one end of the rotating shaft extends to the upper side of the knife handle, one end of the rotating shaft, which is positioned on the upper side of the knife handle, is fixedly connected with a limiting disc, a limiting mechanism is movably connected to the outer wall of the lower end of the limiting disc, and a rotating bolt is arranged on the side wall of one end of the knife handle, which is positioned at the opening of the storage groove. The utility model is convenient for medical staff to use, can adjust the angle suitable for the habit of the medical staff, is fixed, can store the blade when the scalpel is idle, and prevents the medical staff from being injured.

Description

Ophthalmic surgical knife with angle positioning function

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an ophthalmic surgical knife with an angle positioning function.

Background

The ophthalmic diseases requiring surgery are relatively many, and due to the characteristics of the anatomy structure of eyes, narrow surgical field and the like, the surgical instruments are required to be small and flexible so as to adapt to the requirements of surgery in various different anatomical positions and surgical spaces, so that the size, shape and direction of acting force of the surgical instruments are key to successful surgery.

An ophthalmic surgical knife with an angle positioning function and a search publication number of CN208492471U comprises a knife handle and a bending type knife head arranged at the end part of the knife handle. The bending type cutter head comprises a connecting part connected with the cutter handle head part and a cutting part arranged at the end part of the connecting part in an inclined upward extending mode, and the cutting part is arranged at a certain angle with the connecting part. The cutting part is provided with a positive knife face opposite to the knife handle. The scalpel further comprises a positioning block arranged on the scalpel handle, and the extending direction of the positioning block is perpendicular to the extending direction of the front scalpel surface. The ophthalmic surgical knife with the angle positioning function is provided with the positioning block perpendicular to the knife surface, so that a doctor can position the angle of the knife head entering the cornea during operation, the accuracy of the angle of an operation incision is improved, and the operation risk is reduced.

But current scalpel when using, doctor is fixed in the operation in-process, and the angle of scalpel is all fixed to set up, and different doctors are inconvenient when using according to own custom angle regulation, produce adverse effect to the operation easily, and when the scalpel is idle, can not accomodate it, causes the injury to medical personnel easily.

Disclosure of Invention

The utility model aims to solve the problems that when the existing scalpel is used, the angles of the scalpel are fixedly arranged in the operation process of doctors, different doctors are inconvenient to adjust the angles according to own habits, bad effects are easy to produce on the operation, the scalpel cannot be stored when the scalpel is idle, and damage to medical staff is easy to cause, and the ophthalmic scalpel with the angle positioning function is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an ophthalmic surgical knife with angle positioning function, includes the handle of a knife, the fixed storage tank that has seted up of inner wall of handle of a knife, the inner wall of storage tank rotates and is connected with the blade, the lateral wall fixedly connected with of storage tank runs through the pivot of handle of a knife and blade junction perpendicularly, pivot one end extends to the handle of a knife upside, the one end fixedly connected with spacing disc that the pivot is located the handle of a knife upside, the lower extreme outer wall swing joint of spacing disc has stop gear, be located storage tank opening part on handle of a knife one end lateral wall and be equipped with the rotation bolt.

Preferably, the stop gear includes that the handle of a knife outer wall is fixed to be seted up the spacing groove, the inner wall sliding connection of spacing groove has the ejector pad, the one end fixedly connected with connecting rod that the ejector pad is close to spacing disc, the link fixedly connected with reset spring of ejector pad and connecting rod, mutually support between stop gear and the spacing disc.

Preferably, one end of the rotating bolt, which is close to the side wall of the knife handle, is fixedly connected with a threaded rod, and the rotating bolt is rotationally connected with the side wall of the knife handle through the threaded rod.

Preferably, the surface of the handle is covered with a friction layer for increasing the holding stability.

Preferably, scales are fixedly arranged on the upper surfaces of the knife handle and the knife blade.

Preferably, the output end of the connecting rod is fixedly connected with a fixed block, and the fixed block is movably connected with the limiting disc.

Compared with the prior art, the utility model provides the ophthalmic surgical knife with the angle positioning function, which has the following beneficial effects:

1. this ophthalmic surgical knife with angle positioning function through being equipped with accomodating the groove, rotates through the pivot between handle of a knife and the blade and is connected, can accomodate the blade in accomodating the groove when the scalpel is idle to protect the blade and avoid the blade to cause the injury to medical personnel.

2. This ophthalmic surgical knife with angle positioning function through being equipped with stop gear, uses stop gear to fix the angle after adjusting between the two to medical personnel use the scalpel to adjust to the angle that is fit for oneself custom and operate.

The device has the advantages that the device is not related to the same parts as or can be realized by adopting the prior art, the device can be used by medical staff conveniently, the angle suitable for the habit of the medical staff can be adjusted, the device is fixed, and in addition, when a scalpel is idle, the blade can be stored, so that the medical staff is prevented from being injured.

Drawings

Fig. 1 is a schematic structural view of an ophthalmic surgical knife with an angle positioning function according to the present utility model;

fig. 2 is an enlarged schematic view of an ophthalmic scalpel limiting mechanism with an angle positioning function according to the present utility model.

In the figure: 1. a knife handle; 2. a storage groove; 3. a blade; 4. a rotating shaft; 5. a limit disc; 6. rotating the bolt; 7. a limit groove; 8. a pushing block; 9. a connecting rod; 10. a return spring; 11. a threaded rod; 12. a scale; 13. and a fixed block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-2, an ophthalmic surgical knife with angle positioning function, including handle of a knife 1, the fixed storage tank 2 that has seted up of inner wall of handle of a knife 1, the inner wall rotation of storage tank 2 is connected with blade 3, the lateral wall fixedly connected with of storage tank 2 runs through the pivot 4 of handle of a knife 1 and blade 3 junction perpendicularly, pivot 4 one end extends to handle of a knife 1 upside, the one end fixedly connected with spacing disc 5 of pivot 4 being located handle of a knife 1 upside, the lower extreme outer wall swing joint of spacing disc 5 has stop gear, can accomodate the blade in storage tank when the scalpel is idle to protect the blade and avoid the blade to cause the injury to medical personnel.

A rotary bolt 6 is arranged on the side wall of one end of the tool handle 1 and positioned at the opening of the storage groove 2, a threaded rod 11 is fixedly connected with one end of the rotary bolt 6 close to the side wall of the tool handle 1, the rotary bolt 6 is rotationally connected with the side wall of the tool handle 1 through the threaded rod 11, the scale 12 is fixedly arranged on the upper surfaces of the knife handle 1 and the blade 3, and the friction layer for improving the holding stability is covered on the surface of the knife handle 1, so that the medical care personnel can be more stable during operation.

The utility model provides a spacing mechanism includes that handle of a knife 1 outer wall is fixed has seted up spacing groove 7, the inner wall sliding connection of spacing groove 7 has ejector pad 8, the one end fixedly connected with connecting rod 9 that ejector pad 8 is close to spacing disc 5, the output fixedly connected with fixed block 13 of connecting rod 9, fixed block 13 and spacing disc 5 swing joint, the connecting end fixedly connected with reset spring 10 of ejector pad 8 and connecting rod 9, mutually support between stop mechanism and the spacing disc 5 to the medical personnel use the scalpel to adjust to the angle that is fit for oneself custom and operate.

According to the utility model, the device is carried to the use position, the rotary bolt 6 is rotated to remove the position limitation on the blade 3, then the rubbing pushing block 8 drives the fixing block 13 to move through the connecting rod 9, so that the limitation on the limiting disc 5 is removed, then the limiting disc 5 is rotated to drive the blade 3 to rotate out of the accommodating groove 2 through the rotating shaft 4, the pushing block 8 is loosened after the blade is rotated to a proper angle, the fixing block 13 is used for fixing the position of the limiting disc 5 again under the elastic force of the reset spring 10, the position of the blade 3 is fixed, then the operation is started, and in the operation process, the angle can be adjusted according to the habit of medical staff, so that the more efficient operation process is performed.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides an ophthalmic surgical knife with angle positioning function, includes handle of a knife (1), its characterized in that, accomodate groove (2) have been seted up to the inner wall of handle of a knife (1), accomodate the inner wall rotation of groove (2) and be connected with blade (3), accomodate pivot (4) of groove (2)'s lateral wall fixedly connected with perpendicular run through handle of a knife (1) and blade (3) junction, pivot (4) one end extends to handle of a knife (1) upside, pivot (4) are located the one end fixedly connected with spacing disc (5) of handle of a knife (1) upside, the lower extreme outer wall swing joint of spacing disc (5) has stop gear, be located on handle of a knife (1) one end lateral wall and accomodate groove (2) opening part and be equipped with rotation bolt (6).

2. The ophthalmic surgical knife with the angle positioning function according to claim 1, wherein the limiting mechanism comprises a limiting groove (7) fixedly arranged on the outer wall of the knife handle (1), the inner wall of the limiting groove (7) is slidably connected with a push block (8), one end, close to the limiting disc (5), of the push block (8) is fixedly connected with a connecting rod (9), a reset spring (10) is fixedly connected with the connecting end of the push block (8) and the connecting rod (9), and the limiting mechanism is matched with the limiting disc (5).

3. The ophthalmic surgical knife with the angle positioning function according to claim 1, wherein one end of the rotating plug pin (6) close to the side wall of the knife handle (1) is fixedly connected with a threaded rod (11), and the rotating plug pin (6) is rotationally connected with the side wall of the knife handle (1) through the threaded rod (11).

4. Ophthalmic surgical knife with angular positioning function according to claim 1, characterized in that the surface of the handle (1) is covered with a friction layer for increasing the holding stability.

5. Ophthalmic surgical knife with angular positioning function according to claim 1, characterized in that the upper surfaces of the handle (1) and the blade (3) are fixedly provided with graduations (12).

6. The ophthalmic surgical knife with the angle positioning function according to claim 2, wherein the output end of the connecting rod (9) is fixedly connected with a fixed block (13), and the fixed block (13) is movably connected with the limiting disc (5).