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Xinjia Hu, Orthopaedics Surgeon Department of Shenzhen People’s Hospital, Guang dong Provience, China
Purpose: In the treatment of femoral shaft fractures by closed reduction and fixation of interlocking intramedullary nail, through the orthopaedics traction table, displacement of overlap or rotation could be corrected, but displacement of lateral or angulation does often exist still. So we have designed an “H” joystick, it can be used in close reduction of fracture, correct the displacement of lateral or angulation, and it has the function of reduction with multi-direction. Method: This design includes two parallel interval of rail, one vertical joystick, four assistant rods. Using Peek materials, can be sterilized by high temperature, penetrated by X-ray. Press “H” joystick, it can adjust the displacement of angulation and lateralaccording to the principle of leverage. Moreover,the horizontal spacing bar has arranged up and down through the hole, the manipulation of the main stem more groove structure, according to the position of fracture and patients’ fat or thin to adjust between two rail and the spacing between each pair of rod, so it can adapt to the needs of different patients and has good applicability. Result: We apply the design in femoral shaft fracture, 51cases. All the displacement were reducted without incision at fracture site. We feel that the femoral shaft fracture reduction and intramedullary nail fixation becomes simple, fast,we also make a further play in minimally invasive technique. The technique has applied for a patent for invention. Conclusion: This design have advancement, can be applied in clinical femoral fractures of the reset, and gradually extended to other fracture reduction.