Bone screw and screw driver blade system for oral and maxillofacial surgical procedures
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United States of America Patent
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-
Jul 8, 1997
Issued Date -
N/A
app pub date -
Apr 3, 1995
filing date -
Sep 14, 1992
priority date (Note) -
Expired
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Abstract
A titanium bone screw has a centering hole located in the midpoint of the slot in the screw head. A screw driver blade with a centering pin is so dimensioned that the blade and tip respectively form interference fit with the slot and centering hole when the blade is inserted into the screw head.
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