Intervertebral stabilizer, methods of use, and instrumentation therefor
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United States of America Patent
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Sep 1, 2009
Grant Date -
Sep 7, 2006
app pub date -
Jul 7, 2005
filing date -
Mar 3, 2005
priority date (Note) -
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Abstract
An intervertebral stabilizer includes: a first surface operable to engage an endplate of a first vertebral bone of a spine; a second surface spaced apart from the first surface and operable to engage an endplate of an adjacent second vertebral bone of the spine; a spring element between the first and second surfaces and operable to provide reactive force in response to compression loads from the first and second vertebral bones, wherein a cross-sectional profile taken through the surfaces is hourglass shaped.
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