Ultrasonic probe having dual-motion transducer

Details Ultrasonic probe having dual-motion transducer Ultrasonic probe having dual-motion transducer

1984-06-22

1987-01-20

Birmiel, Howard A.

Measuring and testing

Vibration

By mechanical waves

73621, 128660, 433215, G01N 2904, A61C 1904, A61B 1000

Patent

active

046372563

ABSTRACT:
In a mechanically scanned ultrasonic probe, an ultrasonic transducer is swingably mounted on a drive shaft which is given a swinging transversal movement and a reciprocating longitudinal movement. The transducer emits an acoustic beam which is steered in a raster format in response to the swing and reciprocating motions. Echos returning from objects contain diagnostic data of a three-dimensional space. All the components are encased in a toothbrush-like housing having a head portion, an intermediate portion and a hand-grip portion. The dual motions are provided by a drive mechanism accommodated in the hand-grip portion and the transducer is accommodated in the head portion. The drive shaft extends through the intermediate portion.

REFERENCES:
patent: 3425507 (1969-02-01), Caldwell et al.
patent: 3454923 (1969-07-01), Currie
patent: 3553638 (1971-01-01), Sublett
patent: 3845463 (1974-10-01), Timbs
patent: 4271706 (1981-01-01), Ledley
patent: 4282755 (1981-08-01), Gardineer et al.
patent: 4517985 (1985-05-01), Teslawski et al.

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