Dynamic spinal stabilization assembly with sliding collars
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United States of America Patent
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Oct 4, 2011
Grant Date -
Jul 31, 2008
app pub date -
Jan 30, 2007
filing date -
Jan 30, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A dynamic spinal stabilization assembly includes a rod having a plurality of slidable collars thereon. The rod is mounted to at least one of the relevant bone anchoring element(s) via the collars. The collars are spaced from one another such that the bone anchoring element engages at least two collars. The collars may be arranged on the rod so that adjacent collars are longitudinally spaced from one another by a distance not more than one-half the length of the rod-receiving channel in the relevant bone anchoring element. There may be elastic elements slidably disposed on the rod between adjacent collars.
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