Surgery – Means for introducing or removing material from body for... – With means for cutting – scarifying – or vibrating tissue
Patent
1995-04-26
1998-03-17
Bockelman, Mark
Surgery
Means for introducing or removing material from body for...
With means for cutting, scarifying, or vibrating tissue
604 43, 604101, 604102, 606159, 606180, A61B 1720
Patent
active
057281238
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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Lemelson Jerome H.
Parker J. Kevin
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