Multiple-angle switched high intensity focused ultrasound
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United States of America Patent
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Issued Date -
Oct 1, 2009
app pub date -
Mar 24, 2009
filing date -
Mar 25, 2008
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Abstract
A multiple-angle switched high intensity focused ultrasound device having at least two focused ultrasound transducers mounted in a frame so that the focal zones of all transducers intersect. Each of the transducers is independently driven from a radiofrequency (RF) generator. The RF driving signal is switched so that no more than one transducer is operated at a time. This allows shaping the temperature distribution in the target area by overlapping thermal contributions of each transducer.
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