Apparatus and methods for treating congestive heart disease
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United States of America Patent
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N/A
Issued Date -
Apr 1, 2004
app pub date -
Apr 23, 2003
filing date -
Jan 11, 1999
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Methods and apparatus are provided for treating congestive heart by actively or passively enhancing perfusion to the renal arteries. A first embodiment comprises a specially configured balloon catheter and extracorporeal pump, wherein the pump operates in a 'once-through' fashion or alternating volume displacement mode. In another embodiment the catheter includes a pair of balloons to isolate a region of the aorta, and a third balloon that directs flow into the renal arteries. In still further embodiments, a stent or cuff having a constricted region is deployed in or around the aorta, respectively, to create a backpressure upstream of the stent or cuff. Methods of enhancing renal perfusion also are provided.
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