Arc-shaped-edge needle knife

Abstract

The invention relates to the field of medical apparatuses, in particular to an arc-shaped-edge needle knife for medical treatment, face beautification and health care. The arc-shaped-edge needle knife comprises a needle handle, a hollow needle body which is connected with the needle handle, and a knife head which is arranged at the end part of the needle body. The knife head is an inclined surface and is intersected with a plane of a circular-arc-shaped edge which is arranged at the top end. An included angle between the intersection line and the needle body is within 30-150 degrees. Compared with the prior art, the arc-shaped-edge needle knife has the advantages that: 1) the functions of an injection needle and an interventional operation guide casing needle can be realized; 2) compared with the traditional needle knife with an in-line edge, tissues can be rapidly repaired more easily and are not apt to adhere and scar; 3) the maximum release effect can be achieved on the premise of minimum tissue invasion; and 4) due to the characteristic of the arc-shaped edge, the cross-shaped cutting, the Union-Jack-shaped cutting and the like of the traditional needle knife are thoroughly simplified to be in-line cutting, the tissue damages, the pains of patients and the treatment time of doctors are reduced, the operation is simple just like intramuscular injection, and a thorough needle knife revolution is aroused.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to an arc-blade needle knife used for medical treatment, beauty treatment and health care. Background technique [0002] Existing small needle knives mainly consist of the following categories: 1. According to whether injection can be divided into traditional solid needle knives, hollow injection needle knives, etc.; .X), "Z" shaped flat needle knife (CN200820096239.3), arc-shaped needle knife (CN200710168517.1) connected by an arc between the knife head bar and the straight knife bar; three, according to the shape of the blade, it is divided into traditional The "one" character needle knife, the needle head is sunken in the opposite direction of injection, and forms a concave-edged injection needle with a circular arched blade (CN92208040.2), and the flat needle knife handle has an arc-shaped needle knife head. The concave surface of the arc-shaped needle knife head is a concave kni...

AI Technical Summary

Problems solved by technology

The above types of acupotomy have their own advantages, but none of them can fully meet the surgical and ergonomic requirements of self-repair of damaged tissue, nor can they achieve the greatest loosening effect with less damage.

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