Tubular connecting rod device and outer-bone fixing device

Abstract

Disclosed are a tubular connecting rod device and an outer-bone fixing device. The tubular connecting rod device is composed of a tubular connecting rod, steel needle fixing clamps and steel needles. The steel needle fixing clamps are connected to the tubular connecting rod, and the steel needle fixing clamps are composed of steel needle pressing pads, steel needle gaskets, bases and bolts. The bolts sequentially penetrate through holes in the steel needle pressing pads, holes in the steel needle gaskets and holes in the bases and are locked. Screwed holes are formed in the centers of the steel needle pressing pads, a circle of convex edge is arranged on the back face of each steel needle pressing pad, steel needle mounting openings which are arranged in a two-to-two corresponding mode are distributed in the convex edges at intervals, the steel needles penetrate through the steel needle mounting openings and are fixedly clamped between the steel needle pressing pads and the steel needle gaskets, the tip ends of the steel needles are connected to a bone to be operated. Tubular connecting rod device structures can be combined and controlled in a pointed and individualized mode, and therefore the safety, the advancement, the practicability and the clinic application value of the outer-bon fixing technology are greatly improved.

Description

technical field [0001] The invention relates to an external bone fixation device used in orthopedic surgery and fixers of different configurations combined with the device. Background technique [0002] The femur is the longest tubular bone in the human body, starting proximally at the hip joint and distally to the knee joint. Common fractures on the femur include femoral neck fractures, intertrochanteric fractures, subtrochanteric fractures, and femoral shaft fractures. Traditional treatment methods include non-surgical therapy and surgical internal fixation. Most patients with stable fractures or minor injuries can obtain satisfactory results. However, severe injuries and comminuted fractures, fracture nonunion, femoral head necrosis, hip osteoarthritis and other complications are also issues of great concern, some of which have a femoral head necrosis rate as high as 40%. Treatment of hip injuries has not been well addressed. In this regard, external fixation provides...

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide a tubular connecting rod device and an external bone fixator, which solves the problem of complex operation, heavy weight, difficulty in adjusting the angle of the steel needle, single function, and inability to flexibly assemble the structure of the existing steel needle fixing clip and external bone fixator. type of technical problem

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