Dural sealing needle and method of use
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United States of America Patent
Stats
-
Oct 1, 1991
Issued Date -
N/A
app pub date -
Sep 6, 1990
filing date -
Aug 22, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A spinal needle which has the capability of sealing its opening after withdrawal. A first conventional spinal needle or cannula is used for standard diagnostic or therapeudic use. A second cannula is inserted concentrically into the first needle and includes a dural seal having an absorbable suture extending from the second cannula. A stylet is inserted into the second cannula dislodging the seal into the subarachnoid space. The cannulae are removed and the suture is pulled to set the dural seal in the spinal puncture.
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Family
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Cited Art Landscape
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