Intramedullary pin positioning system

Abstract

The invention provides an intramedullary pin positioning system. The intramedullary pin positioning system comprises an external light source, a light transmitting bundle and a duct, wherein the ductis connected with the light transmitting bundle, a loophole is formed in the side wall of the duct, and light emitted by the light transmitting bundle is guided to be emitted outwards from the loophole through a light path in the duct. According to the intramedullary pin positioning system, the light transmitting bundle is used for transmitting the light emitted from the external light source intothe duct through the light transmitting bundle, and the loophole in the duct is used for enabling the light to be penetrated out outwards. When the system is used, the duct is inserted into the cavity of an intramedullary pin, and the duct is moved and rotated to enable the position of the loophole to correspond to that of a fixing hole in the intramedullary pin, so that the light emitted from the loophole can be penetrated out outwards through the fixing hole of the intramedullary pin, and penetrates through skeleton and tissues, and people can see the light emitted from the tissue by eyes.After the tissue is cut open, the last light spot on the skeleton can be seen, the size of the light spot is consistent with that of the fixing hole of the intramedullary pin, and at this time, doctors can drill and nail at the light sport. The intramedullary pin positioning system has the advantages of being simple in structure, and convenient to use, and cannot cause other damage to human bodies.

Description

technical field [0001] The invention relates to a medical device, in particular to a system for fixing and positioning an intramedullary nail during operation. Background technique [0002] Intramedullary nail fixation has been widely used as an effective method for internal fixation of fractures. The development and production of matching intramedullary nail devices can promote the development of minimally invasive surgery and restore human physiological functions. It has a broad market in the field of orthopedics prospect. Each type of intramedullary nailing device includes the intramedullary nail, the corresponding targeting and positioning device and general surgical instruments, and these devices constitute an intramedullary nail positioning system. At present, when treating patients with long tubular fractures, intramedullary nails are often used to fix the fracture site, that is, after the intramedullary nail is inserted into the bone cavity, a locking hole is drille...

AI Technical Summary

Problems solved by technology

[0006] This kind of navigation device uses the principle of infrared rays to guide and position the intramedullary nail. Although it is safer than X-rays, its structure is relatively complicated and it is very inconvenient to use. Therefore, it is necessary to design for the above defects. A New Type of Intramedullary Nail Positioning System

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