Broad-area irradiation of small near-field targets using ultrasound
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United States of America Patent
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Nov 19, 2013
Grant Date -
Jun 24, 2010
app pub date -
Dec 18, 2009
filing date -
Dec 22, 2008
priority date (Note) -
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Abstract
An ultrasonic transducer system for treating a portion of tissue. The ultrasonic transducer system includes a frequency generator, an ultrasonic transducer, and a transmitter element. The transducer receives an AC voltage from the frequency generator and produces an ultrasonic energy pulse at an ultrasonic frequency for a pulse width. The transmitter element is coupled to the transducer and is for irradiating a portion of skin tissue. The transmitter element has a chilled surface in contact with the skin tissue and an acoustic aperture for producing a substantially collimated energy beam. The beam has a width greater than 4 mm.
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