| 摘要 |
An intramedular nailing assembly, specifically adapted to the internal fixation of comminuted femoral fractures, which combines a conventional femoral nail, an extension and a set of pins interlocked with the nail and its extension. The extension is designed to be inserted into the proximal end of the femoral nail, and is pre-drilled to accept pins; some of which extend obliquely onto the femoral neck. A drill guide which can be inserted in the proximal end of the extension provides a convenient tool for pre-drilling the femur at the proper places and the proper angles. The nail itself can be pre-drilled to receive pins on a bench-mounted drilling guide.
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