Ultrasound catheter with cavitation promoting surface
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United States of America Patent
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Issued Date -
Nov 23, 2006
app pub date -
Apr 12, 2006
filing date -
Apr 12, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In one embodiment of the present invention, a method of applying ultrasonic energy to a treatment site within a patient's vasculature comprises positioning an ultrasound radiating member at a treatment site within a patient's vasculature. The method further comprises activating the ultrasound radiating member to produce pulses of ultrasonic energy at a cycle period T.ltoreq.1 second. Each pulse of ultrasonic energy has a first peak amplitude for a first duration, and a second reduced amplitude that is less than the first peak amplitude for a second duration.
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