Artificial intervertebral disc with reliable maneuverability
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United States of America Patent
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Nov 22, 2005
Grant Date -
Nov 25, 2004
app pub date -
May 21, 2003
filing date -
May 21, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An artificial intervertebral disc includes an upper retaining member secured to an upper vertebra; a lower retaining member secured to a lower vertebra adjacent to the upper vertebra; and a nucleus member rotatably coupled between the upper and the lower retaining members, with the nucleus member having at least a cushioning filler selected from: gel, foam, elastomers, and shock-absorbing materials filled, formed or pre-formed in the nucleus member for making an artificial intervertebral disc as universally oriented, stably supported, reliably manipulated and minimally invasive.
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