Tri-joint implant
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United States of America Patent
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May 4, 2010
Grant Date -
Dec 15, 2005
app pub date -
Apr 26, 2005
filing date -
May 27, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods and devices are provided for replacing damaged, injured, diseased, or otherwise unhealthy elements of the spinal three-joint complex, such as the facet joints and discs. In one exemplary embodiment, a joint replacement system includes a facet replacement component that is adapted to replace and/or augment the facet joints, and a disc replacement component that is adapted to replace a spinal disc. The facet replacement component and the disc replacement component can couple to one another to allow and/or control flexion, extension, and/or lateral bending of the spine, preferably while substantially restricting posterior-anterior shear and axial rotation of the spine.
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