Balloon actuated catheter
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United States of America Patent
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-
Mar 17, 1998
Grant Date -
N/A
app pub date -
Apr 26, 1995
filing date -
Apr 26, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A catheter device for performing atherectomy procedures and the like in which cutting blades at the distal end of the catheter are extended by the application of fluid pressure to the catheter to inflate a balloon. One or more cutting blades are attached to the end of a resilient support that maintains the blade in a retracted position until engaged by the expanding balloon to extend the blade radially outward. Specific embodiments include separate expandable balloons provided on each side of the cutting blade to isolate the operative site and separate conduits for the infusion of a flushing liquid to the operative site.
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