Expandable stents and method for making same
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United States of America Patent
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Jun 29, 1999
Issued Date -
N/A
app pub date -
Jul 21, 1997
filing date -
Dec 28, 1993
priority date (Note) -
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Abstract
The invention is directed to an expandable stent for implantation in a body lumen, such as an artery. The stent consists of a plurality of radially expandable cylindrical elements generally aligned on a common longitudinal stent axis and interconnected by one or more interconnecting members placed so as to limit longitudinal contraction during radial expansion. The individual radially expandable cylindrical elements are formed in an irregular serpentine pattern designed to expand evenly under radial stress, and maximize the overall radial expansion ratio.
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