Crimpable intraluminal endoprosthesis having helical elements
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United States of America Patent
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Nov 23, 2004
Grant Date -
Aug 15, 2002
app pub date -
Feb 8, 2002
filing date -
Jun 13, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A stent having helical elements, a geometry for improved crimping, and a good stent-to-vessel ratio is disclosed. In one embodiment, the stent has a plurality of first helical segments and a plurality of second opposing helical segments. The first helical segments are comprised of a plurality of first expandable elements and the second helical segments are comprised of a plurality of second helical elements. The expandable elements are joined to each other by a plurality of struts. When the stent is crimped a portion of one of the first expandable elements nest within another portion of the same expandable element and a portion of two first expandable elements nestle between the same two portions of second expandable elements.
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