Balloons and balloon catheter systems for treating vascular occlusions
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United States of America Patent
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Feb 12, 2013
Grant Date -
Aug 11, 2011
app pub date -
Apr 20, 2011
filing date -
Oct 22, 2007
priority date (Note) -
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Abstract
A balloon catheter system for the intraluminal advancement of conventional guidewires beyond partially or fully occluded or stenosed lesions in body passages, such as CTOs in the vasculature, is provided. Balloons are provided. In certain embodiments of the invention, a balloon having relatively thickened proximal tapers is provided. In certain embodiments of the invention, balloons having a tapered midsection are provided. The balloons are preferably useful with crossing balloon catheter systems. In certain embodiments of the invention, the balloons preferably reduce or minimize trauma to the vascular wall or wall of other body passage in which it is used.
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