Ultrasonic medical apparatus

Details Ultrasonic medical apparatus Ultrasonic medical apparatus

1994-03-15

1995-04-04

Manuel, George

Surgery

Truss

Pad

A61B 800

Patent

active

054027926

ABSTRACT:
An ultrasonic medical apparatus, particularly convenient for use inside a body cavity, includes an applicator having an ultrasonic transducer, which may be attached to an acoustic lens such that the emitted ultrasonic waves are focused at two or more different positions. For this purpose, the wave-emitting surface of the transducer, or the acoustic lens attached to it, is partitioned into concave surface elements which may be in a concentric annular arrangement and may each have a different radius of curvature and a different center of concavity. An apparatus thus structured can be made compact and hence is convenient for use inside a body cavity.

REFERENCES:
patent: 3086195 (1963-04-01), Halliday
patent: 4207901 (1980-06-01), Nigam
patent: 4691570 (1987-09-01), Hassler
patent: 4762002 (1988-08-01), Adams
patent: 5305731 (1994-04-01), Buchholtz

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