Distraction osteogenesis fixture

摘要

A distraction osteogenesis fixture to be anchored in a bone, including a lower anchor, a translational screw, and an upper anchor. At least a portion of the lower anchor is externally threaded. At least a portion of the lower anchor includes an anti-rotational feature. The lower anchor includes an internal passage. At least a portion of the internal passage is threaded. At least a portion of the translational screw is externally threaded such that the translational screw is receivable by the threaded internal passage of the lower anchor. The upper anchor includes an internal passage for receiving a portion of the lower anchor and has an anti-rotational feature for engaging the anti-rotational feature of the lower anchor. The internal passage of the upper anchor includes a surface for engaging the translational screw. At least a portion of the upper anchor is externally threaded.