Method of replacing nucleus pulposus and repairing the intervertebral disk
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United States of America Patent
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-
Mar 27, 2001
Grant Date -
N/A
app pub date -
Feb 22, 1999
filing date -
Feb 22, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for repairing the annulus fibrosus, and replacing the nucleus pulposus. Removal of the nucleus pulposus and only as much of the annulus fibrosus and intervertebral disk as necessary is performed. The tissue so removed is replaced by a material which is resilient, but non-dispersing upon setting. After application of the material, and after the material is set, the resiliency of the material permits motion of the vertebrae and performs the cushioning and joint functions of the intervertebral disk. The material is physiologically acceptable to the human body.
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