Bistable spring construction for a stent and other medical apparatus
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United States of America Patent
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Nov 9, 2010
Issued Date -
N/A
app pub date -
Oct 11, 2002
filing date -
Jan 24, 1997
priority date (Note) -
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Abstract
The present invention is directed to bistable cells and their use in devices, particularly medical devices such as stents, clamps and valves. An expandable stent formed of a plurality of bistable cells is described. The stent has two or more stable configurations, including a first stable configuration with a first diameter and a second stable configuration with a second, larger diameter. A valve comprising a bistable cell for use in eliminating incontinence is also disclosed.
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