Treatment of stenotic regions
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United States of America Patent
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-
Dec 23, 2008
Grant Date -
Oct 4, 2007
app pub date -
Jun 4, 2007
filing date -
May 23, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An improved method and devices for preventing restenosis are provided. The method may include delivering a stent configured to contain a stenosis to a body vessel. The method may also include using atherectomy at the site prior to stent delivery. In one embodiment, the stent has a proximal end, a distal end, and a center portion arranged such that the diameters of the proximal and distal ends are greater than the diameter of the center portion. In one embodiment, the atherectomy device includes a housing to prevent injury to the unaffected areas of the body vessels but the cutter is extendible beyond the housing. In one embodiment, the stent may be impregnated with at least one drug after stent deployment.
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