Ultrasonic treatment transducer with pressurized acoustic coupli

Details Ultrasonic treatment transducer with pressurized acoustic coupli Ultrasonic treatment transducer with pressurized acoustic coupli

1989-12-05

1991-10-08

Cohen, Lee S.

Surgery

Truss

Perineal

12866203, 12866301, 310335, A61B 1700

Patent

active

050544705

ABSTRACT:
An ultrasound transducer for use with an ultrasound brain lesioning system includes an acoustic focusing lens, a piezoelectric transducer plate disposed in spaced relation with the focusing lens, an acoustic coupling medium disposed between the focusing lens and the transducer, and a pressurized fluid contacting the rear surface of the transducer to maintain a spaced relation between the transducer plate and the back surface of the lens. An electrical excitation signal is supplied to the transducer to promote production of an ultrasonic signal by the transducer.

REFERENCES:
patent: 2913602 (1959-11-01), Joy
patent: 2968302 (1961-01-01), Fry et al.
patent: 3497728 (1970-02-01), Ostrofsky et al.
patent: 3636756 (1972-01-01), White
patent: 4378697 (1983-04-01), Wickramasinghe

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