Selectively thinned coiled-sheet stents and methods for making them
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United States of America Patent
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Apr 15, 2003
Grant Date -
N/A
app pub date -
Oct 20, 2000
filing date -
Oct 20, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A coiled-sheet stent includes a tubular body having a longitudinal axis, a circumference, and a thickness, and having a size configured for introduction into a body lumen. The tubular body includes a plurality of cylindrical bands, each band including a generally zig-zag pattern defined by a series of sequential arcuate-shaped diagonal elements connected to one another and extending about the circumference. Longitudinal connectors extend between adjacent cylindrical bands. Slots are formed in the tubular body oriented about the circumference of the tubular body, thereby providing reduced thickness regions in the longitudinal connectors that have a thickness that is substantially smaller than the thickness of the cylindrical bands of the tubular body.
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