Method and apparatus for intervertebral disc expansion
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United States of America Patent
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Issued Date -
Sep 23, 2004
app pub date -
Dec 7, 2002
filing date -
Dec 7, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An intervertebral disc is expanded and injected by forming and dilating an opening in the disc annulus and introducing an inflatable member into the disc nucleus pulposus. The inflatable member location within the nucleus pulposus is verified and the inflatable member is gradually inflated for augmenting a space in the nucleus pulposus. The internal pressure and expansion of the inflatable member are monitored. The inflatable member is subsequently deflated and a biomaterial is injected into the augmented space.
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