Adjustable compression bone screw
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 22, 1989
Grant Date -
N/A
app pub date -
May 27, 1988
filing date -
May 27, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An adjustable compression bone screw that has a shaft having first and second sections each with an external screw thread that may be rotated as a unit or independently. The screw includes means adapted to receive a first driving tool for driving the shaft as unit and further adapted to receive a second driving tool for rotating the second section independently of the first section.
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Family
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