Apparatus for examining and localizing tumors using ultra sounds

Details Apparatus for examining and localizing tumors using ultra sounds Apparatus for examining and localizing tumors using ultra sounds

1985-04-30

1987-04-21

Cohen, Lee S.

Surgery

Truss

Pad

128399, A61B 800, A61N 500

Patent

active

046588280

ABSTRACT:
A hyperthermia applicator comprises a generator of a focused ultrasonic beam comprising a main high frequency electric wave emitter and a main piezoelectric transducer and an echography device comprising an auxiliary high frequency electric pulse generator associated with an auxiliary piezoelectric transducer which generates an ultrasonic examination beam sweeping the zone to be treated. During a main treatment and checking operating mode, the focused beam is emitted by the main transducer energized by the main emitter during periodic time intervals separated by shorter time intervals. During the shorter time intervals, the examination beam is emitted and echographic images are formed.

REFERENCES:
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patent: 4434341 (1984-02-01), Busby et al.
patent: 4441486 (1984-04-01), Pounds
patent: 4526168 (1985-07-01), Hassler et al.
Cooper et al., "A Scanning, Focused Ultrasound . . . ", Pro. 10th Ann. NW Bio Eng Conf., Hanover, N.H., Mar. 1982, pp. 97-100.

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