Spinal stabilization using bone anchor and anchor seat with tangential locking feature
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United States of America Patent
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-
May 1, 2012
Grant Date -
Oct 19, 2006
app pub date -
Feb 23, 2006
filing date -
Mar 3, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A stabilization system for implantation in a patient includes: a bone anchor including a head and a shaft, the shaft extending away from the head in a bone insertion direction and being operable for connection to a bone of the patient; and a tulip including: at least one channel having an opening for receiving an elongate member, the opening being oriented in a receiving direction having at least a component thereof substantially opposite to the bone insertion direction of the anchor, and (ii) a fastening mechanism operable to apply a tangential load on the elongate member to maintain the elongate member within the channel, wherein the tangential load is transverse to at least the receiving direction.
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