Apparatus and method for an ultrasonic medical device to treat chronic total occlusions
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United States of America Patent
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app pub date -
Oct 28, 2004
filing date -
Oct 5, 1999
priority date (Note) -
Abandoned
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Abstract
An apparatus and method for using an ultrasonic medical device to treat chronic total occlusions comprises an ultrasonic probe, a transducer, a coupling engaging a proximal end of the ultrasonic probe to a distal end of the transducer and an ultrasonic energy source engaged to the transducer. The ultrasonic probe is inserted into a vasculature and placed in communication with the chronic total occlusion. The ultrasonic energy source produces an ultrasonic energy that is transmitted to the transducer, where the transducer creates a transverse ultrasonic vibration along the ultrasonic probe. The transverse ultrasonic vibration creates a plurality of transverse nodes and a plurality of transverse anti-nodes along the longitudinal axis of the ultrasonic probe, creating cavitation along a portion of the longitudinal axis of the ultrasonic probe to ablate the chronic total occlusion.
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