Balloon-expandable, crush-resistant locking stent and method of loading the same
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United States of America Patent
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Nov 2, 1999
Issued Date -
N/A
app pub date -
Jun 15, 1998
filing date -
Oct 3, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An intraluminal, crush resistant stent for implantation in a body lumen is disclosed. The crush resistant stent is made from a base section having a plurality of resilient, parallel, coplanar struts having a zig-zag configuration extending therefrom wherein the zig-zag struts are curved and pass through corresponding slots in the base section to form a continuous, cylindrical hoop. Each zig-zag strut has an amplitude that decreases when the zig-zag strut is placed under tension and an amplitude that increases when the zig-zag strut is unstressed or is placed under compression. Accordingly, each zig-zag strut can be pulled through the respective slot in the base section, but under compression the zig-zag struts assume the larger amplitude and cannot pass through the corresponding slot thereby maintaining the diameter of the stent constant.
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