Ultrasound signal and temperature monitoring during sono-thrombolysis therapy
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United States of America Patent
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Jun 10, 2003
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N/A
app pub date -
Oct 17, 2000
filing date -
Oct 17, 2000
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Abstract
A system method for sono-thrombolysis is provided employing real-time, continuous intensity and temperature monitoring. The method generally includes the steps of establishing an ultrasound delivery column to the patient being treated for a thrombotic or embolic occlusion wherein the column includes an ultrasound transducer, a coupling medium and a hydrophone. The transducer is operated in a conventional manner to deliver ultrasound to the occlusion. During operation of the transducer, characteristics of the ultrasound being delivered to the occlusion are monitored on a real-time basis with the hydrophone. In addition, the methods includes monitoring temperature proximate the site of the occlusion, the temperature also being monitored on a real-time basis. Importantly, in response to the monitored characteristics of the ultrasound, intensity of the delivered ultrasound is controlled to be maintained within a desired intensity range.
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