Manual bone anchor placement devices
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United States of America Patent
Stats
-
Jul 8, 2003
Grant Date -
Oct 11, 2001
app pub date -
Mar 26, 2001
filing date -
May 12, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Manual bone anchor placement devices include a lever, a force translator and a rotary force mechanism. The devices are substantially gun- or pistol-shaped and are actuated when a user squeezes the lever to the gripping portion of a handle. Manual, linear force on the lever is mechanically translated through the force translator to the rotary force mechanism, which transmits a rotary force to a securing element, or coupler, which mates with a bone anchor screw. The rotation of the securing element or coupler applies a torque on the bone anchor screw thereby placing the screw into the bone. A collapsible, protective cover for a bone anchor screw is also disclosed.
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Family
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