Method of making a catheter balloon using a polyimide covered mandrel
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United States of America Patent
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Apr 12, 2005
Grant Date -
Feb 5, 2004
app pub date -
Jul 30, 2002
filing date -
Jul 30, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A method of making a catheter balloon or other tubular medical device or component, in which a sheet of polymeric material is wrapped on a mandrel and heated to fuse sections of the wrapped sheet together to form a tube. The mandrel has a metallic core and a jacket on an outer surface of the metallic core, and the wrapped sheet of polymeric material is heated without corroding the metallic core of the mandrel. In a presently preferred embodiment, the sheet is formed of a fluoropolymeric material, and the resulting fluoropolymeric tube forms at least a layer of a catheter balloon.
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