Posterior metal-on-metal disc replacement device and method
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United States of America Patent
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Jun 5, 2012
Grant Date -
Apr 12, 2007
app pub date -
Sep 25, 2006
filing date -
Sep 26, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a device and method for replacing a diseased or damaged intervertebral disc in the spine of a patient. The device provided having at least two units, each of the units having an articulation surface and a bone contacting surface, the articulation surfaces of each of the at least two being in articulating opposition one to the other, one of which having a convex articulation surface and the other having a complementary concave articulation surface. The bone contacting surfaces being provided with bone implantation securing elements such as keel type or spike type protrusions. Also provided is a method of implanting the device into an intervertebral space from a posterior approach.
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