Stent or graft support structure for treating bifurcated vessels having different diameter portions and methods of use and implantation
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United States of America Patent
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Apr 9, 2002
Issued Date -
N/A
app pub date -
Apr 28, 2000
filing date -
May 13, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A self-expanding stent structure is provided having a main portion that expands to a first diameter and a branch portion that expands to a second diameter, different the first diameter, the main portion having a link portion that forms a flexible linkage to, and forms part of, the branch portion. The self-expanding structure may be compressed to a reduced diameter for delivery, and resumes an expanded diameter during deployment. The self-expanding stent structure also may be advantageously incorporated in an asymmetric stent-graft system. Methods of use are also provided, wherein the main portion of the self-expanding structure, when deployed in a trunk vessel, may be used to anchor the branch portion in a branch vessel.
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