Machine for fixing and repositioning fractured femur lesser trochanter

Abstract

The invention discloses a machine for fixing and repositioning fractured femur lesser trochanter. The machine for fixing and repositioning the fractured femur lesser trochanter comprises a prying deflector rod, an operating seat and a top compression rod, wherein the prying deflector rod is fixed with the operating seat; the top compression rod is parallel to the prying deflector rod and can connected with the operating seat in a telescopic mode; one end of the prying deflector rod is in a circular arc shape; a top compression block is arranged close to the circular arc shaped end of the top compression rod; the outer side of the top compression block is in a circular arc shape; a thread hole is formed in the prying deflector rod; a thread lead hole along the axial line direction of the prying deflector rod is formed between the thread hole and a circular arc shaped end face of the prying deflector rod; and a thread slot is formed in the outer side of the top compression block. The machine for fixing and repositioning the fractured femur lesser trochanter can reduce muscle incision face, lighten wounds of patients and reduce difficulty of lesser trochanter repositioning operation, and meanwhile, ensures that a secondary displacement does not occur due to loosing of the lesser trochanter in the drilling and the implanting steel needle or steel nail process, and improves success rates of an operation.

Description

technical field [0001] The invention relates to a device for fracture surgery, more specifically a lesser trochanter fracture fixation and reset device for fracture surgery, which belongs to the technical field of medical devices. Background technique [0002] Intertrochanteric fracture is one of the most common fractures, more common in the elderly, often accompanied by lesser trochanter fracture. In recent years, with the extensive development of various internal fixation operations and the improvement of the diagnosis and treatment of perioperative coexisting diseases, the mortality rate has been greatly reduced, but complications such as coxa varus, nail plate fracture, femoral head and neck cutting, and shortening of lower limbs have decreased. Still exist. In order to prevent or reduce the above complications, the importance of reduction and fixation of the lesser trochanter has attracted more and more attention. [0003] In the existing operations, most of the simpl...

AI Technical Summary

Problems solved by technology

The above-mentioned surgical method will inevitably incise a relatively large area of ​​muscle, which will increase the trauma and blood loss of the patient. It is also difficult to reset the fractured and displaced lesser trochanter. The integrity of the proximal medial column is difficult to maintain, and the internal fixation of intertrochanteric fractures is prone to failure

At the same time, when the steel wires are bundled, it is difficult to insert the steel wires around the small rotor

Images