Distraction screw
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United States of America Patent
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-
May 4, 2010
Grant Date -
Feb 17, 2005
app pub date -
Aug 11, 2003
filing date -
Aug 11, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A simple, safe implantable bone screw, and a method for distracting two bone segments, is provided. In general, the bone screw includes a shank having a threaded proximal portion and a distal portion with a major diameter that is less than a minor diameter of the threaded proximal portion. A transitional region of decreasing diameter can be disposed between the threaded proximal portion and the distal portion, and a driver receiving element is preferably disposed on a proximal end of the bone screw. In use, the proximal and distal portions of the bone screw are adapted to engage two segments of bone, and to create a distraction force between the two segments of bone.
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