Ultrasonic medical treatment apparatus

Details Ultrasonic medical treatment apparatus Ultrasonic medical treatment apparatus

1988-09-30

1990-10-02

Jaworski, Francis

Surgery

Truss

Perineal

606128, A61B 1722

Patent

active

049601075

ABSTRACT:
An ultrasonic medical treatment apparatus having an piezoelectric element for generating ultrasonic energy is provided. The element is constituted by a plurality of unit piezoelectric elements of two or more different shapes. The surface areas of these unit elements are substantially equal to each other. These unit elements can be individually removed as required.

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patent: 4646756 (1987-03-01), Watmough et al.
Sector-Vortex Phased Array Applicator for Ultrasound Focal Hyperthermia Progress in Hyperthermic Oncology; S. Umemura et al.; 1986.
Transducers for Producing Ultrasonic Waves; Journal of the Acoustical Society of America; vol. 25 No. 2; Oskar Mattiat; Mar. 1953.

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