Dual scan ultrasonic scanner

Details Dual scan ultrasonic scanner Dual scan ultrasonic scanner

1980-06-30

1982-02-16

Kreitman, Stephen A.

Measuring and testing

Vibration

By mechanical waves

73641, 128660, G01N 2904

Patent

active

043154352

ABSTRACT:
An ultrasonic scanner for use in medical diagnosis which produces two different types of scans. The scanner includes a housing carrying one or more ultrasonic transducers which traverse an arcuate path. A first reflector is positioned within the arcuate path to intercept ultrasonic waves and converge them at a point beneath the scanner in order to produce a skin centered sector scan, which is useful for viewing through small acoustic windows such as intercostal regions. A pair of reflectors, one of which is positioned horizontally with respect to the first reflector and the transducers, are utilized to form a wide aperture sector scan which diverges upon exiting the scanner housing. The wide aperture scan is useful for scanning spaces such as the abdomen which include relatively few obstructions.

REFERENCES:
patent: 4143554 (1979-03-01), Nagy et al.
patent: 4185501 (1980-01-01), Proudian et al.
patent: 4245511 (1981-01-01), Soldner

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