Device and method for opening blood vessels by pre-angioplasty serration and dilatation of atherosclerotic plaque
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United States of America Patent
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Dec 4, 2012
Grant Date -
Sep 24, 2009
app pub date -
Mar 20, 2009
filing date -
Mar 21, 2008
priority date (Note) -
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Abstract
An intravascular device can comprise a carrier and an expansion apparatus. The device can be used for intravascular treatment of atherosclerotic plaque. The carrier can be reversibly expandable and collapsible within a vessel and can have ribbon strips extending between opposite ends in a longitudinal direction of the carrier. The ribbon strips can each be formed with a plurality of elongated protrusions thereon. The expansion apparatus can be used to actuate the ribbon strips each with the plurality elongated protrusions to pierce a luminal surface of the plaque with lines or patterns of microperforations which act as serrations for forming cleavage lines or planes in the plaque.
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