Medical stents, apparatus and method for making same
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United States of America Patent
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-
Jul 18, 2000
Issued Date -
N/A
app pub date -
Oct 2, 1997
filing date -
Oct 16, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A medical device comprising a catheter and a balloon-expandable stent having a small initial diameter, flexibility along its longitudinal axis prior to expansion, a large expanded diameter, and rigidity after expansion. Local strain on the stent material is minimized, as and after the balloon is inflated. More particularly, the sent has rotation joints having minimal strain during stent expansion. The stent is substantially the same length before and after expansion and, being flexible longitudinally when constrained, is easy to deliver.
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