Flexible shaft apparatus for medical treatment and application thereof

Abstract

The invention discloses a flexible shaft apparatus for medical treatment. The flexible shaft apparatus comprises a steel wire rope; the steel wire rope is in a half-folded structure and comprises a double wire head end and a half-folded end, wherein the half-folded end is encircled to form a sleeve ring; and the double wire head end is wrapped with a flexible shaft. By using the flexible shaft to replace a rigid surgical cutter component which is directly made by machining metal, the flexible shaft apparatus has relatively high strength and toughness; and usually, the structural constraint of the flexible shaft apparatus is extremely fine, so that the apparatus can meet the requirements of a minimally-invasive surgery. In addition, the flexible shaft apparatus for the medical treatment is small and exquisite in structure and simple in operations, is time-saving and labor-saving, and can reduce the pain of a patient.

Description

technical field [0001] The invention relates to the field of medical machinery, in particular to a medical flexible shaft device and its application. Background technique [0002] The flexible shaft is a commonly used connection and transmission device in the mechanical field. It is usually made of steel wire helically wound. It has a certain mechanical strength and deformation resistance. With the wide application of the flexible shaft, it is gradually involved in clinical minimally invasive surgery. . [0003] At present, for such small operations as nasal polypectomy, due to the limitation of operating space and the principle of minimal trauma to patients, most of them use relatively small cutters for minimally invasive operations, such as Chinese patent CN201211212Y "nasal polypectomy device", this Knives are gradually popularized due to their small structure and relatively small damage to patients during cutting operations. However, since such knives are generally thi...

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Problems solved by technology

[0003] At present, for such small operations as nasal polypectomy, due to the limitation of operating space and the principle of minimal trauma to patients, most of them use relatively small cutters for minimally invasive operations, such as Chinese patent CN201211212Y "nasal polypectomy device", this Knives are gradually popularized due to their small structure and relatively small damage to patients during cutting operations. However, since such knives are generally thin, their strength and toughness are not very high when they are directly machined with metal, and this kind of knives The development trend of the tool is getting smaller and smaller, which puts forward higher requirements for the strength and toughness of the tool

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