Three-dimensional ultrasonic scanner

Details Three-dimensional ultrasonic scanner Three-dimensional ultrasonic scanner

1990-12-14

1992-10-06

Kamm, William E.

Surgery

Truss

Pad

128916, 12866009, 12866010, 12866101, A61B 800

Patent

active

051522942

ABSTRACT:
A three-dimensional ultrasonic scanner for acquiring data concerning a three-dimensional area within a living body to be examined. In the inside of a scanner case is encased an array transducer unit. Further, at the end bottom portion of the transducer unit there is provided an array transducer composed of a plurality of transducer elements arranged in line one after another. The electronic scanning of this array transducer produces a two-dimensional scanning plane. In addition, a swinging mechanism is provided for mechanically swinging the transducer unit in a direction normal to the arrangement direction of the transducer elements. This mechanical swing movement of the transducer unit shifts the two-dimensional scanning plane to a direction normal thereto, thereby forming a three-dimensional data acquisition area within the living body. Here, a swing angle of the transducer unit is detected by an angle detector.

REFERENCES:
patent: 4186747 (1980-02-01), Iinuma
patent: 4271706 (1981-06-01), Ledley
patent: 4282879 (1981-08-01), Kunii et al.
patent: 4431007 (1984-02-01), Amazeen et al.
patent: 4637256 (1987-01-01), Sugiyama et al.
patent: 4913158 (1990-04-01), Kikuchi et al.
patent: 4932414 (1990-06-01), Coleman

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