Ultrasonic recanalization system
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United States of America Patent
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-
May 11, 1993
Grant Date -
N/A
app pub date -
Jan 22, 1991
filing date -
Jan 23, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ultrasonic recanalization system includes an ultrasonic transducer member energized by a switch and connected to a console containing control elements. The transducer transfers ultrasonic energy through a tube into a patient's artery through a triple lumen catheter. The tube has at its end a bent portion with a flexible tip and the catheter has a flow blocking device which is inflatable to secure the position of the tip of the hollowed tube in the artery and to obstruct the flow of blood near a stenosis site in the artery. A liquid solution can be pumped into a concentric canal passage around the hollowed tube and the solution can then flow out through the hollowed tube after washing off the stenosis splinters.
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