Self-constrained segmented stents and methods for their deployment
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United States of America Patent
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Issued Date -
Mar 30, 2006
app pub date -
Sep 27, 2004
filing date -
Sep 27, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A self-expanding stent includes a plurality of segments having a collapsed configuration and an expanded configuration. Preferably, the segments are unconnected to each other in at least the expanded configuration. The segments include restraining structures that temporarily restrain them from expansion until activated. This allows the user to position the desired number of segments at a treatment site and to deploy them simultaneously, thereby avoiding misalignment, overlap, and excessive spacing between segments. In preferred embodiments, multiple segmented stents of user-selectable length may be deployed at multiple locations in a single intervention.
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