Catheter with multilayer tube
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United States of America Patent
Stats
-
May 17, 2011
Grant Date -
Apr 15, 2010
app pub date -
Dec 16, 2009
filing date -
Oct 27, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An interventional catheter for angioplasty and the like, comprising 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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