Disposable venous valve knife

Abstract

The invention discloses a disposable venous valve knife, and relates to the technical field of novel venous valve knives. The disposable venous valve knife comprises a handle, one end of the handle is fixedly connected with a grip cap, one end of the grip cap is fixedly connected with a grip, the top end of the grip is fixedly connected with a medicine injection pipe cap, one end of the grip is fixedly connected with a black protective sleeve, one end of the black protective sleeve is fixedly connected with a depth indication sleeve and a metal wire, the metal wire is located on the inner side of the depth indication sleeve, one end of the metal wire is fixedly connected with a broach, and one end of the broach is fixedly connected with a telescopic head. By means of the structural design, the whole device reduces the possibility of complications caused by valve falling after an operation, the tedious accessory replacement step in the operation is reduced through the telescopic head automatically adapting to the diameter of the blood vessel, and by means of the design of large barbs, the vein valve can be pulled and broken more thoroughly, and the cost is lower.

Description

technical field [0001] The invention relates to the technical field of novel venous valve knife, in particular to a disposable venous valve knife. Background technique [0002] The venous valve knife is a key device used to destroy the great saphenous vein valve and ensure the patency of the grafted vein during in situ great saphenous vein bypass grafting, which can effectively improve or eliminate lower limb ischemia; [0003] In the prior art, the treatment of lower extremity ischemia mainly includes venous valve knife, mitral valve retractor and other instruments; It is used in invasive surgery, but the broken valve fragments will enter the artery and cause serious consequences, which may lead to serious consequences such as cardiac arrest and cerebral hypoxia. The mitral valve retractor is suitable for open surgery, and the effect of valve resection is not ideal. Different diameter veins need The use of valve retractors of different specifications is cumbersome to opera...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a disposable venous valve knife to solve the existing problem: the broken valve fragments will enter the artery and cause serious consequences, which may lead to serious consequences such as cardiac arrest and cerebral hypoxia. It is suitable for open surgery, the effect of valve resection is not ideal, and different diameters of veins need to use valve retractors of different specifications, which is cumbersome to operate

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