AXIALLY COMPRESSIBLE FLARED STENTS AND APPARATUS AND METHODS FOR DELIVERING THEM
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United States of America Patent
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app pub date -
Aug 22, 2006
filing date -
Aug 22, 2005
priority date (Note) -
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Abstract
A stent includes a flaring portion and a main portion connected to the flaring portion. The main portion includes a plurality of bands of cells spaced apart axially from one another, adjacent bands of cells being intermittently connected to one another. During use, the stent is introduced into a main vessel in a contracted condition and positioned with the flaring portion adjacent an ostium. The flaring portion is flared, and the stent is advanced at least partially into the ostium. The stent is expanded further such that the main portion expands within the branch body lumen and/or the flaring portion expands adjacent the ostium. The main portion compresses axially during at least one of the steps when the stent is expanded, which may enhance conformance of the stent relative to the ostium and/or enhance reinforcement of the ostium.
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