Cannula with flow diversion mechanism and methods of use
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United States of America Patent
Stats
-
Jan 21, 2003
Grant Date -
Oct 31, 2002
app pub date -
Apr 30, 2001
filing date -
Apr 30, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cannula is described that includes a diverter mechanism in the form of a blast plate deployable from within the lumen of the cannula and retractable from the lumen of the cannula. The blast plate may take the form of a planar surface, a curved surface, a membrane mounted on a wire ring, or a conical sleeve, or any other suitable shape. In use, the cannula is inserted in a vessel, the blast plate is deployed in the lumen of the cannula beyond the distal end of the cannula, and blood flow is passed through the cannula and against the blast plate. Alternative devices and methods are also described.
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