Medical grater

Abstract

The invention relates to a medical grater, which comprises a handle body, a grater body, a spring, a locking head, a connecting rod and a crank pressing rod, wherein the connecting stem of the grater body has a fixed groove, one end of the locking head has a hooking part matched with the fixed groove, the other end of the locking head is rotationally connected with a handle body, and the front end of the connecting rod can be rotationally connected with the locking head at a position close to the other end; the rear end of the connecting rod is rotationally connected with the front end of thecrank pressing rod; the handle body is rotationally connected with the crank pressing rod at a position close to the front end; and one end of the spring is connected with the handle body and the other end is connected with the rear part of the connecting rod. In the medical grater disclosed by the invention, the grater body and the handle body are firmly connected and can be conveniently and quickly detached, so that the operation efficiency is improved; and the entire structure is simple, the thickness is small, and the vision field of operation is not affected.

Description

technical field [0001] The invention relates to a surgical instrument, in particular to a medical file. Background technique [0002] Files are widely used in medical and surgical operations, assisting doctors in cutting, carving, grinding, osteotomy and other operations on bone tissue. see figure 1 Shown, existing medical file is made up of handle body 1, knife body 2, spring 3 and fixed pin 4. Wherein, the connecting handle of the cutter body 2 is provided with a fixing groove 21 . The spring 3 is located in the handle body 1, one end is fixedly connected with the handle body 1, and the other end is connected with the fixed pin 4. The fixing pin 4 protrudes out of the handle body 1 and is provided with a protrusion matching the groove 21 . During use, the protruding portion of the fixing pin 4 snaps into the fixing groove 21 of the knife body connection handle, and the knife body 2 is fixedly connected with the handle body 1 . When dismounting, press the protruding pa...

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to overcome the defects of the existing medical files and provide a medical file with a new structure. The technical problem to be solved is to make the knife body and the handle body firmly connected, easy and fast to assemble and disassemble, and to facilitate the improvement of surgical procedures. Efficiency, and the overall structure is simple, the thickness is thin, does not affect the surgical field of view, so it is more suitable for practical use

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