Stent with dual support structure
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United States of America Patent
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Aug 30, 2011
Grant Date -
Apr 8, 2010
app pub date -
Dec 8, 2009
filing date -
Mar 27, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A intraluminal stent comprises a reticulated tube having an un-deployed diameter and expandable to an enlarged diameter. The tube includes a structural beam extending between first and second ends. The structural beam changes from a first geometry to a second geometry when the tube changes from the un-deployed diameter to the enlarged diameter. The structural beam includes first and second longitudinal elements each extending at least partially between the first and second ends and with a spacing between the first and second elements. Each of said first and second elements changes from the first geometry to the second geometry when the tube changes from the un-deployed diameter to the enlarged diameter for the spacing to remain substantially unchanged as the tube changes from the un-deployed diameter to the enlarged diameter.
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