Artificial intervertebral disc
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 12, 1982
Grant Date -
N/A
app pub date -
Nov 13, 1980
filing date -
Nov 13, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An artificial intervertebral disc for implantation in the disc space after the removal of a diseased or damaged cervical intervertebral is described and comprises upper and lower disc portions having a plurality of springs positioned therebetween to yieldably urge the disc portions away from each other. A plurality of spikes extend upwardly from the upper disc portion for engagement with the vertebra thereabove. A plurality of spikes extend downwardly from the lower end of the lower disc portion for engagement with the vertebra therebelow.
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