Segmental Bone Loss Reconstruction Using Ring Fixation

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Abstract

Summary:

Ring fixation is a powerful tool in the treatment of bone defects. The ability to create high-quality, biologically normal new bone of even massive proportions using distraction osteogenesis is a major reason for its success. In addition, ring fixation provides the ability to limit the risk of deep infection, improves flexibility in limb length control and alignment, and increases soft tissue coverage options. The drawbacks of ring fixation include long frame times, pin problems, risk of joint contractures, and difficult usage in areas with a large soft tissue envelope such as the thigh. Significant advancements such as hydroxyapatite coated pins, internal cable transport, multifocal transport, and combined techniques with internal fixation have helped increase the effectiveness of ring fixator use by minimizing many of the drawbacks. At present, ring fixation provides the most effective means of treatment for large bone defects in many clinic situations.

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