Methods for aortic atherectomy
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United States of America Patent
Stats
-
Dec 7, 1999
Issued Date -
N/A
app pub date -
Feb 11, 1998
filing date -
Jul 17, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An arterial catheter system for removing plaque from the aorta and other arteries is disclosed. The system typically includes an elongate catheter member, a filtration apparatus disposed within the distal region, and an atherectomy assembly which includes a mechanism for trapping and holding mobile or fixed plaque and an excising mechanism for removing the plaque. In use, the catheter is positioned so that the atherectomy assembly lies within a region of interest, the filtration apparatus is deployed downstream of the region of interest, the plaque is trapped and held by a snare, vacuum, or other trapping means, and then the excising mechanism is activated to remove the plaque. Methods are also disclosed for removing plaque from the aorta and other arteries.
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