Stiffness of small-bone external fixation methods: an experimental study |
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Authors: | S A Stuchin F J Kummer |
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Institution: | Department of Orthopaedics, Hospital for Joint Diseases, Orthopaedic Institute, New York, N.Y. |
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Abstract: | A variety of small-bone external fixation methods were evaluated to determine bending and torsional stiffness. Several methods of external pin stabilization with bone cement and with a commercial device were used. Among experimental variables examined were: the number of pins, pin diameter, pin length, pin spacing, and pin threading. The most rigid fixation was achieved with four pins held with a wire-reinforced bone cement fixator. Pin diameter was the most significant variable in the determination of stiffness with this configuration. |
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Keywords: | Reprint requests: Steven A Stuchin M D Department of Orthopaedics Hospital for Joint Diseases Orthopaedic Institute 301 E 17th St New York NY 10003 |
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