Ultrasonic treatment device using a focussing and oscillating piezoelectric element
First Claim
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1. An ultrasonic device for treatment of an anatomical anomaly, said device comprising:
- (a) a power transducer in the form of a self-focussing cup associated with a power excitation generator generating power wave trains and with an echographic device transmitting an echographic beam and using said transducer as an echo receiver, said device further comprising;
(b) means for causing said echographic device continuously to oscillate during the treatment, at an oscillation speed and with an amplitude adapted for obtaining real time echographic beam scanning of a region of space containing the anatomical anomaly, and(c) means for exciting said power transducer to produce treatment waves at moments when the echographic beam scans a predetermined restricted portion of said region.
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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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Citations
7 Claims
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1. An ultrasonic device for treatment of an anatomical anomaly, said device comprising:
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(a) a power transducer in the form of a self-focussing cup associated with a power excitation generator generating power wave trains and with an echographic device transmitting an echographic beam and using said transducer as an echo receiver, said device further comprising; (b) means for causing said echographic device continuously to oscillate during the treatment, at an oscillation speed and with an amplitude adapted for obtaining real time echographic beam scanning of a region of space containing the anatomical anomaly, and (c) means for exciting said power transducer to produce treatment waves at moments when the echographic beam scans a predetermined restricted portion of said region. - View Dependent Claims (2, 3, 4, 5)
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6. In an ultrasonic treatment device comprising a power transducer in the form of a self-focussing cup associated with a power excitation generator and with an echographic device transmitting an echographic beam using said power transducer as an echo receiver, and further comprising means for causing said echographic device to oscillate during treatment at an oscillation speed and amplitude adapted for obtaining real time echographic scanning, the improvement comprising:
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(a) means for exciting said power transducer to produce a sequence of treatment waves at moments when the echographic beam scans a predetermined restricted region of a firing space; and (b) means for exciting said echographic device to produce echographic waves during intervals between said moments. - View Dependent Claims (7)
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Specification