Implantable medical device with constrained expansion
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United States of America Patent
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Jun 7, 2011
Grant Date -
May 10, 2007
app pub date -
Oct 10, 2006
filing date -
May 19, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A medical device comprises a support structure and one or more graft members comprising a valve portion and a constraining portion. The support structure has a first, unexpanded configuration and a second, expanded configuration. The constraining portion is adapted to substantially prevent the support structure from achieving the second, expanded configuration. The valve portion is adapted to permit fluid flow through a body vessel in a first direction and substantially prevent fluid flow through the vessel in a second, opposite direction.
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