Drill positioner for intramedullary nail fixing surgery and registering method thereof

Abstract

The invention relates to a drill positioner for an intramedullary nail fixing surgery and a registering method thereof. The positioner comprises a sensor module, a drill fixing module and a protectionshell module matched with the drill fixing module, wherein the drill fixing module is disc-shaped, the circle center of the drill fixing module is provided with a first through hole, the front face of the drill fixing module is provided with a hollow conical drill supporting unit, the back face of the drill fixing module is provided with the protection shell module, the center of the protection shell module is provided with a second through hole, the sensor module is arranged between the drill fixing module and the protection shell module, the center of the sensor module is provided with a third through hole, and the drill fixing module is also provided with a registering line. Compared with the prior art, based on an electromagnetic navigation system, the drill positioner can accuratelyachieve remote locking of intramedullary nails, help a user effectively control the drilling posture, greatly increase the one-time success rate of far-end locking, and also significantly reduce the spent time.

Description

Technical field [0001] The present invention relates to an auxiliary tool for intramedullary nail fixation surgery, in particular to a drill bit positioner for intramedullary nail fixation surgery and a registration method thereof. Background technique [0002] The fracture of the distal tibia induced by high-energy injury is a common clinical orthopedic disease, which refers to a fracture that occurs in the middle and lower 1 / 3 of the tibia. Due to its special anatomical characteristics, such as poor blood supply, poor soft tissue coverage, etc., it is prone to a variety of serious complications after fracture, such as malunion, soft tissue infection, fracture nonunion, etc., which are harmful to the patient’s physical and mental health and survival Quality has a negative impact. As stability and safety are gradually being valued by doctors and patients, interlocking intramedullary nails have gradually become the gold standard for the treatment of tibial shaft fractures. [0003...

AI Technical Summary

Problems solved by technology

However, problems such as deformation and inaccurate positioning of the distal end will occur when the intramedullary nail is inserted, making the existing distal screw locking operation extremely difficult and taking up a lot of operation time; moreover, the techniques of free-hand distal locking and mechanical distal locking require Irradiating a large number of X-ray photos to overcome positioning deviation will cause a certain degree of harm and damage to both doctors and patients

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