Adjustable fixation devices incorporating drive systems
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United States of America Patent
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May 1, 2012
Grant Date -
Dec 18, 2008
app pub date -
Mar 13, 2008
filing date -
Jun 13, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed embodiments relate to a fixation device for use in supporting and/or aligning an injured body part. An exemplary disclosed fixation device uses a pair of thumb wheel control elements to provide controlled rotational micromovements of a joint fracture. The control elements, their associated drive systems, and at least a tension member allow for converting a rotational force to a translational force to be applied to a driven article in one direction. In addition, the fixation device may incorporate a drive system that introduces a simultaneous longitudinal translation of bone pins with rotation, in order to provide for a translated point of origin of rotation between the fixation device and the affected body part supported by the fixation device.
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