Stent cell configurations including spirals
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United States of America Patent
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Jun 8, 2004
Issued Date -
N/A
app pub date -
Sep 17, 2001
filing date -
Apr 25, 1997
priority date (Note) -
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Abstract
The invention is directed to an expandable stent which is longitudinally flexible in both the unexpanded and expanded conditions. The stent includes spiral structures which at least partially unwind upon expansion of the stent to limit stent recoil. Regions of low strain in the stent during expansion are provided by the spiral structures.
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