Ultrasonic treatment device using a focussing and oscillating piezoelectric element
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United States of America Patent
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Sep 1, 1992
Issued Date -
N/A
app pub date -
May 3, 1991
filing date -
Dec 14, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An ultrasonic treatment device is divulged comprising a power transducer in the form of a spherical cup serving both as treatment wave generator and as echographic transceiver, wherein the transducer is caused to oscillate (motor 2) during the treatment, so as to obtain sectorial B type scanning and it is excited (circuits 1 to 14) with treatment waves only in a restricted angular scanning sector and with echographic waves in the rest of the scanned sector.
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