Facet arthroplasty devices and methods
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United States of America Patent
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Dec 6, 2011
Issued Date -
N/A
app pub date -
Sep 9, 2003
filing date -
Oct 22, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A prosthesis replaces all or a portion of a natural facet joint on a vertebral body. The prosthesis has a prosthesis body accommodating fixation to the vertebral body at or near a pedicle and without support by a lamina. The prosthesis body has a fastening element installed within the vertebral body at or near a pedicle. The prosthesis further has an artificial facet joint structure carried by the prosthesis body at a location spaced from the fastening element. The artificial facet joint structure is adapted and configured to replace all or a portion of a natural facet joint.
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