Laterally expanding intervertebral fusion device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 9, 2010
Grant Date -
Apr 14, 2005
app pub date -
Aug 28, 2003
filing date -
Oct 25, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Intervertebral spacers are provided for use in orthopedic treatment of spinals defects. The intervertebral spacer is formed of a shape memory polymer. The spacer can be fabricated into a desired configuration and then deformed into an alternative or deformed configuration. Cooling the deformed spacer effectively freezes the spacer into its deformed conformation. The deformed configuration can be selected to facilitate implantation of the spacer into a prepared disc space between adjacent vertebrae. During operation, the surgeon can heat the spacer to allow it to revert to its original configuration. The spacer in its original conformation is sized to restore and/or maintain the adjacent vertebrae in a desired conformation and disc space height.
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