Closed needle threading device for orthopedics department

Abstract

The invention relates to the technical field of closure in orthopedics department, in particular to a closed needle threading device for the orthopedics department. The closed needle threading devicefor the orthopedics department comprises a bottom plate, wherein a support rod in vertical arrangement is fixedly arranged on the upper end of the bottom plate; the upper end of the support rod is fixedly provided with a horizontal fixing plate; the upper end of the fixing plate is fixedly provided with a vertical fixing rod; the cross section of the fixing rod is in a square shape; a sleeve is connected onto a rod body of the fixing rod in a sleeving way; a horizontal first needle threading tube is fixedly connected onto the side wall of the sleeve; a vertical connecting rod is connected ontothe outer wall of the first needle threading tube; the other end of the connecting rod is connected with a horizontal fixing tube; and the fixing tube is parallel to the first needle threading tube.When the closed needle threading device is used for needle threading, and the needle threading tube needs to be removed, the first needle threading tube and a second needle threading tube can be separated from a Kirschner wire only by exhausting compressed air inside an air bag. The Kirschner wire cannot be easily pulled in the separation process, and adverse influence cannot be easily caused.

Description

technical field [0001] The invention relates to the technical field of orthopedic closure, in particular to an orthopedic closure needle-piercing device. Background technique [0002] Fracture refers to a disease in which the bone is partially or completely broken due to trauma or pathology. When treating a fracture, the broken end of the bone that has been displaced after the fracture is usually restored to normal or close to the original normal position. After reset, because it is unstable, it is prone to redisplacement. Therefore, different methods should be used to fix it in a satisfactory position to make it heal gradually. There are two kinds of fixation methods: external fixation and internal fixation. [0003] Kirschner wire fixation is a common method of internal fixation. Kirschner wire fixation is usually used for some unstable fractures. Clinically, Kirschner wire fixation is used for short bones, irregular bones, adjacent joint fracture fixation and cross-joint ...

AI Technical Summary

Problems solved by technology

[0004] When fixing the Kirschner wire, it is first necessary to install one end of the Kirschner wire on the electric drill, and then turn on the electric drill to drive the Kirschner wire into the bone to be fixed, but it is difficult to accurately drive the Kirschner wire into the predetermined angle and position , it is generally necessary to use a needle threading tube to limit and guide the Kirschner wire, improve the accuracy of the Kirschner wire needle insertion position, avoid multiple insertions of the Kirschner wire, and reduce damage to surrounding tissues. The existing needle threading tube generally It is in the shape of a round tube. When the needle tube is separated from the Kirschner wire, the needle tube needs to be pulled away along the length of the Kirschner wire. During the twitching process, the needle tube is easy to pull the Kirschner wire, which is likely to cause adverse effects

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