Bolt for orthopaedic surgical use
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United States of America Patent
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Jun 25, 1991
Grant Date -
N/A
app pub date -
Oct 2, 1989
filing date -
May 12, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a bolt for orthopaedic surgical use which can be combined with an external fixing device such as for example a monoaxial extender, having a substantially cylindrical upper portion 10 whose upper end 14 can be engaged by a suitable turning device. The bolt extends into a central portion 11 whose lateral surface has a cutting member 16 which extends parallel to the longitudinal axis of the bolt along the entire length of portion 11. Portion 11 then passes into a lower threaded portion 12 which ends in a point 13. Central portion 11 has a transverse cross-section substantially in the shape of a drop.
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