Acoustical lens assembly for focusing ultrasonic energy

Details Acoustical lens assembly for focusing ultrasonic energy Acoustical lens assembly for focusing ultrasonic energy

1989-07-12

1991-07-23

Cohen, Lee S.

Surgery

Truss

Perineal

12866003, A61B 1722

Patent

active

050334565

ABSTRACT:
An acoustical lens for focusing ultrasonic energy having a transducer, a curved focussing lens and a voltage generator coupled with the transducer. The transducer is comprised of an array of piezoelectric crystal elements. The focussing lens has a concave upper surface and a planar bottom surface allowing the array of piezoelectric elements to be coupled to the bottomsurface of the array. The piezoelectric elements receive voltage from the voltage generator and transmit an energy ray through the focussing lens producing a focussed energy beam.

REFERENCES:
patent: 4526168 (1985-07-01), Hassler et al.
patent: 4721106 (1988-01-01), Kurtze et al.
patent: 4803995 (1989-02-01), Ishida et al.
patent: 4821730 (1989-04-01), Wurster et al.
patent: 4858597 (1989-08-01), Kurtze

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