Cyclical pressure coronary assist pump
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United States of America Patent
Stats
-
Feb 6, 2007
Grant Date -
Oct 13, 2005
app pub date -
Apr 12, 2004
filing date -
Apr 12, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An intravascular pump, which may be a left ventricle assist device, comprising a wall defining a pumping chamber, the wall support by struts, the struts attached to or part of an actuation system to move the wall from an expanded position to a contracted position and back to operated the pump, the actuation system may be electrically activated shape memory alloy struts, electroactive polymeric struts, or may be a balloon, struts attached to a slidable member or other suitable system.
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