Aspiration method
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United States of America Patent
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Oct 19, 2004
Issued Date -
N/A
app pub date -
Aug 5, 2002
filing date -
Mar 6, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for the treatment of a stenosis or an occlusion in a blood vessel in which an occlusive device is first delivered and activated at a site distal to the occlusion to at least partially occlude the vessel. A therapy catheter is then introduced to treat the occlusion and a debris removal device is delivered to aspirate debris from the vessel. The present invention eliminates the need for a separate irrigation catheter and irrigation fluid which allows the procedure to be performed quickly and efficiently, and is especially useful in the removal of occlusion from saphenous vein grafts, the coronary and carotid arteries, arteries above the aortic arch and vessels of similar size and pressure.
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