Artificial disc
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United States of America Patent
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-
Jan 30, 2007
Grant Date -
Jun 24, 2004
app pub date -
Dec 10, 2002
filing date -
Dec 10, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An artificial disc to replace a damaged spinal disc in a spinal column includes an upper retaining member having an outer surface engageable with a first vertebra of the spinal column and an inner surface. A lower retaining member has an outer surface engageable with a second vertebra of the spinal column and an inner surface. A resilient core interconnects the upper and lower retaining members. The resilient core has an upper surface affixed to the inner surface of the upper retaining member. The resilient core has a lower surface affixed to the inner surface of the lower retaining member. The resilient core has a surface extending from one of the upper and lower surfaces toward another of the upper and lower surfaces and at least partially defining an empty space extending from the one of the upper and lower surfaces.
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