Reduced-profile slide and lock stent
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United States of America Patent
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Aug 9, 2016
Grant Date -
Sep 18, 2014
app pub date -
Mar 11, 2014
filing date -
Mar 14, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
An expandable slide and lock stent comprises a tubular member that can be expanded from a collapsed state to an expanded state. The tubular member can comprise a reversing helical backbone and at least one rail member extending from the helical backbone in a circumferential direction. The backbone can have at least one engagement element that can be configured to receive a rail member to form the tubular member. In some embodiments, the reversing helical backbone can comprise a plurality of discrete segments having a variable profile and/or wave form. A plurality of regions of each backbone may have a recessed or “nesting” profile providing for a smaller overall stent profile in a compacted configuration, and improved stent retention as mounted on a balloon catheter.
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