Stenting method for blood vessels
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United States of America Patent
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Nov 29, 2011
Grant Date -
May 8, 2008
app pub date -
Jan 2, 2008
filing date -
Nov 30, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A method of imposing a shape on an intact blood vessel other than a graft includes inserting a stent in the vessel. The stent includes a supporting portion which internally supports an interior wall of the vessel. The supporting portion includes a hollow tube, the walls of which have openings therein so that the interior wall of the vessel is exposed via the openings to fluid flow along the vessel. A central axis of the hollow tube forms a non-planar three dimensional at least partially helical shape. The hollow tube imposes the three-dimensional at least partially helical shape on the central axis of the vessel, inducing a swirling fluid flow within the stent supported part of the vessel.
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