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A reverse chopping forceps that can be controlled with one hand

A hand-controlled, reverse technology, applied in the field of reverse chopping tweezers, can solve problems such as difficult operation, intraoperative complications, and the inability of the chopping hook to meet the requirements of medical staff, so as to achieve convenience in use and improve the efficiency of chopping Effect

Active Publication Date: 2019-09-03
BEIJING TONGREN HOSPITAL AFFILIATED TO CAPITAL MEDICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When performing ophthalmic surgery, it is usually necessary to use a chopping hook. However, in actual use, a single chopping hook cannot meet the requirements of medical personnel, and even affects the success or failure of the operation. It usually has the following defects: 1. It is difficult to operate in the case of small pupils, and it is inconvenient to use a single chopping hook; 2. Because some operations are performed under non-direct vision conditions, for doctors with little surgical experience, the disadvantages of intraoperative complications often occur

Method used

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  • A reverse chopping forceps that can be controlled with one hand
  • A reverse chopping forceps that can be controlled with one hand
  • A reverse chopping forceps that can be controlled with one hand

Examples

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Embodiment 1

[0023] A reverse chopping forceps that can be controlled with one hand, such as Figure 1-2 As shown, comprise forceps handle 6 and the hook body 1 that is arranged on one end of forceps handle 6, hook body 1 includes two core-splitting hooks 2 that are integrally formed with the tail of hook body 1, and two nuclear-splitting hooks 2 all include core-splitting hooks 2 The front section of the hook and the arc-shaped hook 3, the arc-shaped hook 3 described in the present invention has an increasing curvature from top to bottom, which is conducive to accurately incarcerating the equatorial part of the patient's lens nucleus, grasping the nucleus more firmly, and the entire arc-shaped hook 3 is slender, And both ends are blunt circle structures, the cutting edge of the nuclear splitting hook is fully inserted into the lens, and the splitting is more thorough, the arc-shaped curved inner side of the arc-shaped hook 3 is provided with a blade, and the straight line distance between ...

Embodiment 2

[0026] A kind of reverse chopping tweezers that can be controlled with one hand, the reverse chopping tweezers is different from embodiment 1 in that, as Figure 4 As shown, the front section of the nuclear splitting hook 2 of the hook body 1 described in the present invention includes a connecting section, a curved section, a vertical section and an arc hook 3 successively, and the angle between the curved section and the connecting section is an obtuse angle and transitions with a circular arc , the angle between the vertical section and the curved section is an obtuse angle and transitions with a circular arc; the curved sections of the two splitting hooks 2 are staggered in an "X" shape, and the staggered point is over the axis of the forceps handle 6; the two splitting hooks There are bending transitions at the intersection of the bending sections of 2, that is, the angle b, and the size of the angle b is 100°~120°. The two nuclear splitting hooks 2 are crossed and merged...

Embodiment 3

[0028] A kind of reverse chopping tweezers that can be controlled with one hand, the reverse chopping tweezers is different from embodiment 1 in that, as image 3 As shown, one side of the toggle stud 7 provided by the present invention is engaged with the drive screw 5, and the other side protrudes outside the side wall of the tweezers handle 6. The end of the drive screw 5 connected with the limit piece 4 has a cylindrical boss, which limits the The position piece 4 is provided with a groove 8 that matches the cylindrical boss, and the drive screw 5 can rotate in the groove 8. The toggle stud 7 provided by the present invention rotates A circle, then the drive screw 5 drives the limit piece 4 along the edge. The axial movement is Amm, and the distance between the two nuclear splitting hooks 2 changes by 5A / 3mm.

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Abstract

The invention provides a pair of single-hand controlled reverse nucleus-chopping tweezers. The pair of reverse nucleus-chopping tweezers comprises a tweezers handle and a hook body which is arranged at one end of the tweezers handle 6. The hook body comprises two nucleus-chopping hooks which are connected with the tail of the hook body as a whole. The two nucleus-chopping hooks comprise front sections and arc hooks. Two ends of each arc hook are of blunt round structures. The arc bending inside of each arc hook is provided with a blade. The straight-line distance between two ends of each arc hook ranges from 2.2 mm to 4.0 mm. A control assembly is arranged between the two nucleus-chopping hooks. The control assembly can achieve division and combination of the two nucleus-chopping hooks under the effect of external force.

Description

technical field [0001] The invention belongs to the field of medical instruments, in particular to a reverse nuclear splitting forceps which can be controlled by one hand. Background technique [0002] Cataract refers to the opacity of the lens in the eyeball, which changes from transparent to opaque, preventing light from entering the eye, thereby affecting vision. The early opacity does not affect vision when it is mild or small in scope, and then gradually increases to significantly affect vision or even blindness. At present, with the development of society, the aging of the population is becoming more and more serious, and the incidence of senile cataract is also increasing. The vision loss caused by cataract cannot be corrected by wearing glasses, and drug treatment is also difficult to achieve effective therapeutic effect. Only through surgery is the solution. The only effective way for cataracts. The most commonly used surgical method is phacoemulsification, which i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F9/007
Inventor 赵阳杨珂朱思泉
Owner BEIJING TONGREN HOSPITAL AFFILIATED TO CAPITAL MEDICAL UNIV
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