Tightening instrument for orthopaedic surgery of the spine
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United States of America Patent
Stats
-
Feb 26, 2008
Grant Date -
Jun 19, 2003
app pub date -
Dec 1, 2000
filing date -
Dec 3, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The tightening instrument is made up of two parts (2,4) joined to each other by means which are designed to automatically uncouple the said two parts (2,4) by shearing rupture of a pin (8) when a predetermined tightening torque is reached, a first (2) of the two parts being provided with a means (3) permitting driving, characterized in that the second (4) of the two parts is a rod whose end (5) opposite its tightening end (6) is adapted to be introduced into a complementary recess (7) formed in the first part (2), and in that the said end (5) includes an axial reservoir (15) for receiving the broken end section (18) of the pin (8).
First Claim
Family
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Cited Art Landscape
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