Stent delivery apparatus and method
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United States of America Patent
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Apr 1, 2008
Grant Date -
Oct 28, 2004
app pub date -
Mar 3, 2004
filing date -
Dec 3, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Apparatus and methods for stent delivery provide for dilatation at a treatment site as well as stent delivery, using the same stent delivery apparatus. Apparatus generally include a catheter having at least one expandable member, at least one stent positionable thereon, and a sheath disposed over the expandable member and the stent. Some embodiments include separate expandable members for dilatation of a lesion and for stent expansion, while other embodiments use the same expandable member for both. In some embodiments a stent includes multiple separable stent segments. In various embodiments, self-expanding stents may be used. Methods involve positioning a stent delivery device at a treatment site, expanding an expandable member to dilate at least a portion of a lesion at the treatment site, and expanding (or allowing to expand) a stent at the treatment site.
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