CATHETER SYSTEM WITH EXPANDABLE AND DELAMINATING TIP PORTION AND METHOD FOR PRODUCING SAME
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United States of America Patent
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Issued Date -
Mar 17, 2016
app pub date -
Aug 17, 2015
filing date -
Sep 15, 2014
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Abstract
A catheter system with a distal functional element, such as a self-expanding stent, includes a feed tube. The distal end of the feed tube surrounds the functional element and a sliding element configured to strike against the proximal end of the functional element in order to push forward the functional element from the feed tube. The feed tube has a tip portion that is tapered in the delivered state and expands when the functional element is slid out. The tip portion is formed from a glued e-PTFE laminate that delaminates when stretched by the functional element.
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