Intervertebral disc prosthesis
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United States of America Patent
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-
Aug 3, 2004
Grant Date -
Jan 9, 2003
app pub date -
Jun 26, 2002
filing date -
Jul 5, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An intervertebral disc prosthesis comprising a cranial disc (10) and a caudal disc (12), which are supported against each other elastically upon compression by spring(s) (16). The spring(s) (16) consist of a memory-metal alloy, which exhibits super-elastic properties at body temperature.
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