Ultrasonic probe having rotary refracting member

Details Ultrasonic probe having rotary refracting member Ultrasonic probe having rotary refracting member

1991-03-13

1992-12-01

Kamm, William E.

Surgery

Truss

Pad

12866203, 12866009, 12866010, 73606, A61B 800

Patent

active

051672340

ABSTRACT:
An ultrasonic probe includes a housing, a piezoelectric element provided in the housing, the piezoelectric element emitting an ultrasonic beam, and a refracting member rotatably provided in the housing. The refracting member has a first surface opposite to the piezoelectric element and a second surface at which the ultrasonic beam emitted from the piezoelectric element and passing through the first surface is deflected in a state where a deflection angle between an axis perpendicular to a surface of the piezoelectric element and a deflected ultrasonic beam changes as the refracting member rotates.

REFERENCES:
patent: 4131022 (1978-12-01), Mezrich
patent: 4174634 (1979-11-01), Dory
patent: 4762002 (1988-08-01), Adams
patent: 4858613 (1989-08-01), Fry et al.
patent: 4961176 (1990-10-01), Tanaka et al.
patent: 4993416 (1991-02-01), Ophir
patent: 5014711 (1991-05-01), Nagasaki

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