Lens assembly for focusing energy

Details Lens assembly for focusing energy Lens assembly for focusing energy

1991-07-23

1992-08-04

Cohen, Lee S.

Surgery

Truss

Perineal

12866003, 367157, 310334, A61B 1722

Patent

active

051349884

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 bottom surface 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: 3964014 (1976-06-01), Tehon
patent: 4297607 (1981-10-01), Lynnworth et al.
patent: 4348904 (1982-09-01), Bautista, Jr.
patent: 4747192 (1988-05-01), Rokurota
patent: 4945898 (1990-08-01), Pell et al.
patent: 5033456 (1991-07-01), Pell et al.

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