Ultrasound probe and lens assembly for use therein

Details Ultrasound probe and lens assembly for use therein Ultrasound probe and lens assembly for use therein

1990-12-06

1992-07-07

Jaworski, Francis

Surgery

Truss

Pad

310335, 310336, 73625, A61B 800

Patent

active

051274108

ABSTRACT:
This invention provides an ultrasonic transducer probe for medical scanning and a lens assembly for use therein. The probe has a housing in which an ultrasonic transducer array is mounted, there being an opening in the housing adjacent the transducer array. A first lens subassembly is mounted to the transducer and moves therewith if the transducer is rotated. A second lens subassembly is mounted to the housing to fill the opening therein, and includes, for example, a thin plastic film covering the opening and bonded to the housing to seal the opening and a film backing lens or layer. The first lens subassembly is preferably a compound lens. The lens subassemblies are formed of materials having relative acoustic properties, and having mating surfaces which are shaped, to selectively focus ultrasonic signals from the transducers.

REFERENCES:
patent: 3387604 (1965-02-01), Erikson
patent: 3958559 (1976-05-01), Glenn et al.
patent: 4184094 (1980-01-01), Kopel
patent: 4205686 (1980-06-01), Harris et al.
patent: 4296349 (1981-10-01), Nakanishi et al.
patent: 4385255 (1983-05-01), Yamaguchi et al.
patent: 4387720 (1983-06-01), Miller
patent: 4503861 (1985-03-01), Entrekin
patent: 4718421 (1988-01-01), Rohwedder et al.
patent: 4880012 (1989-11-01), Sato
patent: 4901729 (1990-02-01), Saitoh et al.

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