Artificial intervertebral disc nucleus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Apr 23, 2009
app pub date -
Sep 30, 2005
filing date -
Sep 30, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Devices and methods for manufacturing devices for treating degenerated and/or traumatized intervertebral discs are disclosed. Artificial discs and components of discs may include an artificial nucleus and/or an artificial annulus and may be comprised of shape memory materials synthesized to achieve desired mechanical and physical properties. An artificial nucleus and/or annulus according to the invention may comprise a filler retention membrane that may be filled with a curable material for deployment. A filler retention membrane according to the invention may comprise one or more partitions to define one or more chambers and may comprise one or more valves for selectively permitting the flow of material within the nuclear region and annular region of the filler retention membrane.
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