Systems and methods for delivering ultrasound energy at an output power level that remains essentially constant despite variations in transducer impedance
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United States of America Patent
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Feb 26, 2008
Grant Date -
Mar 13, 2003
app pub date -
Jul 24, 2002
filing date -
Aug 24, 2000
priority date (Note) -
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Abstract
Systems and methods deliver ultrasound energy to an ultrasound transducer having an impedance subject to variations. The systems and methods electrically couple an ultrasound generator to the ultrasound transducer to deliver ultrasound energy. The systems and methods deliver ultrasound energy to the ultrasound transducer at a set output frequency and at an output power level that remains essentially constant, despite variations in the impedance, based upon preprogrammed rules.
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