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Depth cutter

A deep, knife-edge technology, used in ophthalmic surgery and other directions, to solve problems such as uncontrollable depth

Pending Publication Date: 2021-05-11
苏州朗目医疗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The application provides a depth knife to solve the problem that the depth cannot be controlled in the process of cutting the conjunctiva in the prior art

Method used

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0022] Please refer to Figure 1-Figure 6 , figure 1 It is a schematic diagram of a perspective three-dimensional structure of an embodiment of a depth knife of the present application; figure 2 yes figure 1 The enlarged structural schematic diagram of part A of the depth knife shown; image 3 It is a three-dimensional structural schematic diagram of another viewing angle of an embodiment of a depth knife of the present application; Figure 4 yes image 3 The schematic diagram...

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Abstract

The invention discloses a depth knife is used for a glaucoma surgery and comprises a knife handle and a knife body; the knife handle comprises a cylindrical main body part and a conical holding part connected to one end of the main body part, the main body part and the holding part are integrally formed, a notch is formed in one end, away from the holding part, of the main body part, the notch is used for preventing rolling of an incision cutter or jamming of packaging during surgery, the cutter body comprises a connecting part and a cutting edge part, the connecting part is connected with one end, away from the main body part, of the holding part, a center line of the connecting part coincides with a center line of the cutter handle, a cutting edge part comprises a cutting edge main body and a cutting edge, a lower end of the cutting edge main body is provided with a flat face with a reference positioning function, the cutting edge extends downwards from a front end of the cutting edge main body and is used for cutting conjunctiva, and a height difference between a cutting part of the cutting edge and the flat face is 0.3 mm-0.5mm. The depth cutter has a fixed and accurate cutting depth.

Description

technical field [0001] The application relates to the technical field of medical equipment, in particular to a depth knife. Background technique [0002] Glaucoma is a group of diseases characterized by optic disc atrophy and depression, visual field defect and vision loss. Pathological increased intraocular pressure and optic nerve insufficiency are the primary risk factors for its onset. The tolerance of optic nerve to pressure damage Sex has also been linked to the onset and progression of glaucoma. Obstacles in any part of the aqueous humor circulation pathway can lead to pathological changes caused by elevated intraocular pressure, but some patients also present with normal intraocular pressure glaucoma. Glaucoma is one of the three major blindness diseases that cause blindness in humans, with an incidence rate of 1% in the general population and 2% after the age of 45. Clinically, glaucoma is divided into three categories: primary, secondary, and congenital according...

Claims

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Application Information

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IPC IPC(8): A61F9/007
CPCA61F9/007A61F9/00781
Inventor 王燕涛阚敏梁远波王琰
Owner 苏州朗目医疗科技有限公司
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