Catheter with multilayer tube
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United States of America Patent
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Dec 22, 2009
Grant Date -
Jan 19, 2006
app pub date -
Sep 16, 2005
filing date -
Oct 27, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An interventional catheter for angioplasty and the like, including a catheter tube including an outer tubular member, an inner tubular member disposed within the lumen of the outer tubular member, and a balloon attached to the distal end of the outer tubular member and the distal end of the inner tubular member. The outer tubular member includes a first portion having a first stiffness and a second portion having a second stiffness less than the first stiffness. The inner tubular member has an inner surface having a first coefficient of friction and an outer surface having a second coefficient of friction greater than the first coefficient of friction.
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