Variable expansion force stent
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United States of America Patent
Stats
-
Nov 14, 2000
Issued Date -
N/A
app pub date -
Nov 17, 1998
filing date -
May 22, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A stent having varying outward radial force along its length. In use, the stent can provide greater force in vessel regions requiring greater force and less force in regions requiring less. In particular, more force is provided in the narrowed, center of a stenosis, while not applying too much force to the adjoining healthy tissue area. Greater stent expansion is provided in wider vessel geometries and less stent expansion in narrower regions. Varying force is achieved varying the number of elements, the density of elements, and the thickness of the elements.
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