Disc nucleus prosthesis and its method of insertion and revision
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United States of America Patent
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Issued Date -
Mar 29, 2007
app pub date -
Sep 15, 2005
filing date -
Sep 15, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A revisable nuclear disc prosthesis and method of insertion and revision are provided. The revisable disc prosthesis includes a reversibly expandable support cage surrounding a containment vessel containing a suitable structural support material, and a hydrodynamic filler material disposed in the disc space between the disc prosthesis support cage and the annulus of the body. Each piece of the disc prosthesis is capable of removal and revision once inserted into the body of the patient.
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