Multiple facet joint replacement
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United States of America Patent
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-
May 20, 2003
Issued Date -
N/A
app pub date -
Dec 13, 2000
filing date -
Dec 13, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A prosthesis for the replacement of multiple diseased or traumatized spinal facets comprises a portion that replaces at least a bony portion of the facets to be replaced and where the prosthesis attaches to the vertebra in a manner that does not require attachment to, or abutment against, the lamina. Multiple configurations of the prosthesis provide for replacement of the two inferior facets, the two superior facets, a superior and inferior facet, or all four facets. A method of installing the prosthesis is provided that is comprised of the steps of resecting at least a portion of the facets that carry the diseased or traumatized spinal facets and attaching the prosthesis in a manner that does not require attachment or abutment against the lamina.
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