Apparatus for replacing a damaged spinal disc
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United States of America Patent
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May 28, 2013
Grant Date -
Sep 20, 2012
app pub date -
Mar 15, 2011
filing date -
Mar 15, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An apparatus for replacing a damaged spinal disc in a spinal column includes a first retaining device having an outer surface engageable with a first vertebra of the spinal column and an inner surface. A second retaining device has an outer surface engageable with a second vertebra of the spinal column and an inner surface. A resilient core has a first surface and a second surface. The first surface engages the inner surface of the first retaining device. The second surface engages the inner surface of the second retaining device. The resilient core has a tapered radially outer surface extending from adjacent the first surface to adjacent the second surface. The first retaining device may have a flange extending toward the second retaining device. A concave surface may extend between the first surface and the radially outer surface. The concave surface of the core may engage the flange when the apparatus is free of a load.
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Family
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