Variable stiffness balloon catheter
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United States of America Patent
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-
Aug 1, 1995
Grant Date -
N/A
app pub date -
Jun 2, 1993
filing date -
Jun 2, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention is a single-lumen balloon catheter and assembly having a variable stiffness shaft that allows for greater guidewire trackability and proximal pushability than previous designs. The catheter has an elongate tubular body that is made of inner and outer coaxial tubes, the inner tube being made of proximal and distal sections, the proximal section being stiffer than the distal section and the distal section being stiffer than the outer tube.
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