Apparatus for examining and localizing tumors using ultra sounds, comprising a device for localized hyperthermia treatment
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United States of America Patent
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Sep 29, 1992
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N/A
app pub date -
Jan 9, 1991
filing date -
Dec 14, 1983
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Abstract
A hyperthermia treatment apparatus combining a generator of a focused ultrasonic beam comprising a main high frequency electric wave emitter and a main piezoelectric transducer whose active surface is focusing, with an echography device comprising an auxiliary high frequency electric pulse generator associated with an auxiliary piezoelectric transducer and means for causing the zone to be treated to be swept by the ultrasonic examination beam generated by said auxiliary transducer; and with switching and adjustment means for causing, during a main treatment and checking operating mode, emission of said focused beam by said main transducer energized by said main emitter during periodic time intervals separated by shorter time intervals during which the emission of the examination beam and the formation of echographic images are effected.
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