System and method for ultrasound therapy using grating lobes
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United States of America Patent
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Oct 5, 2010
Grant Date -
Dec 15, 2005
app pub date -
Jun 14, 2004
filing date -
Jun 14, 2004
priority date (Note) -
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Abstract
A system and method for medical treatment of tissue using ultrasound. The system comprises a probe having an array of transducer elements, an ultrasound waveform generator adapted to generate at least one electrical ultrasound signal, and a plurality of phase controls, each coupled to the ultrasound waveform generator and adapted to generate from the electrical ultrasound signal a phase-shifted drive signal that is coupled to an associated transducer element. The drive signal is effective to control grating lobe foci emitted by the array. The method employs the system.
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