Flexible stent
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United States of America Patent
Stats
-
Mar 20, 2001
Grant Date -
N/A
app pub date -
Jun 27, 1997
filing date -
Jan 4, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A stent is disclosed which comprises generally of ring having, in the preferred embodiment, crossties that have flexibility by having at least one bend. The rings themselves have predetermined stress-relieving points to predispose, by stress relief, particular segments of each ring to bend upon application of an expansion force such as by a balloon or by other means. In the preferred embodiment, the individual rings have notches, reducing the cross-sectional areas at particular locations adjacent reversing bends such that upon radial expansion, bending occurs at these reduced cross-sectional areas to prevent stress from accumulating at the reversing bends.
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