Methods for making encapsulated stent-grafts
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United States of America Patent
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Sep 28, 2004
Issued Date -
N/A
app pub date -
Sep 12, 2002
filing date -
Mar 10, 1995
priority date (Note) -
Expired
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Abstract
Shape memory alloy and elastically self-expanding endoluminal stents which are at least partially encapsulated in a substantially monolithic expanded polytetrafluorethylene ('ePTFE') covering. An endoluminal stent, which has a reduced diametric dimension for endoluminal delivery and a larger in vivo final diametric diameter is encapsulated in an ePTFE covering which circumferentially covers both the luminal and abluminal walls along at least a portion of the longitudinal extent of the endoluminal stent. The endoluminal stent is fabricated from a shape memory alloy which exhibits either shape memory or pseudoelastic properties or from an elastic material having an inherent spring tension.
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