Slip-layered catheter balloon
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United States of America Patent
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-
Apr 30, 1996
Issued Date -
N/A
app pub date -
Jun 21, 1995
filing date -
Feb 16, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A slip-layered balloon catheter for insertion into a bodily conduit, especially an artery. The catheter comprises a shaft (21) having at least one lumen (26) for delivery of a fluid inflation media and a slip-layered balloon (12) made up of a plurality of layers with a low-friction substance between the layers. The low-friction substance causes the layers to slide readily relative to one another, softening the balloon while maintaining its strength. Optionally, the balloon includes a plurality of slip-layered segments radially disposed about the balloon wall, and separated by lengthwise ridges joining the layers of each segment together. Also optionally, an elastic sleeve surrounds the balloon wall to improve refoldability of the balloon.
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Family
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