Production of a standard closed fracture in laboratory animal bone.

  title={Production of a standard closed fracture in laboratory animal bone.},
  author={F Bonnarens and Thomas A. Einhorn},
  journal={Journal of orthopaedic research : official publication of the Orthopaedic Research Society},
  volume={2 1},
To develop a technique for the production of a standard closed experimental fracture, a new apparatus was designed and tested on 40 male Sprague-Dawley rats. First, the femur was treated with an intramedullary Steinmann pin. The femoral diaphysis was then fractured by means of a blunt guillotine driven by a dropped weight. Radiographically, this technique resulted in a highly reproducible transverse fracture. There was minimal comminution and minimal angulation of the intramedullary pin… CONTINUE READING
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