Coupling medium for high-power ultrasound
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United States of America Patent
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Aug 13, 2002
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N/A
app pub date -
Mar 21, 2000
filing date -
Mar 25, 1999
priority date (Note) -
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Abstract
A coupling medium for high-power ultrasound including a liquid aqueous solution of a hydrophilic polymer, notably polyvinylpyrrolidone, is provided together with ultrasound therapy apparatus including a therapy transducer adapted to transmit high-power ultrasound arranged in an enclosure, a portion of which is filled with the coupling medium.
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