Variable flank bone screw
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Mar 6, 2012
Grant Date -
Oct 9, 2008
app pub date -
Apr 4, 2007
filing date -
Apr 4, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A bone screw comprising a threaded shank having a longitudinal axis and including a first helical threading extending along a first length of the threaded shank portion and a second helical threading extending from a location proximately adjacent the first helical threading and along a second length of the threaded shank portion. The first helical threading defines a first volume between adjacent thread turns along the first length, and the second helical threading defines a second volume between adjacent thread turns along the second length, with the first volume being different from the second volume.
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