Ultrasonic body scanner and method

Details Ultrasonic body scanner and method Ultrasonic body scanner and method

1977-07-11

1979-02-06

Swisher, S. Clement

Measuring and testing

Vibration

By mechanical waves

73626, 73633, 73642, 128 2V, G01N 2904

Patent

active

041377770

ABSTRACT:
Non-destructive testing with ultrasonic energy is performed by scanning a focused ultrasound beam until a region of interest is detected and rescanning this region with the beam focused at a plurality of depths. Apparatus for ultrasonic body scanning for medical purposes may include an actively driven transducer crystal which may be dynamically focused. A beam of energy produced by the transducer will be coupled to the patient by a liquid path and a movable mirror may be interposed along the liquid path to cause scanning of the beam.

REFERENCES:
patent: 2593865 (1952-04-01), Erdman
patent: 3086195 (1963-04-01), Halliday
patent: 3166731 (1965-01-01), Joy
patent: 3918024 (1975-11-01), Macovski
patent: 3924454 (1975-12-01), McElroy et al.
patent: 4005382 (1977-01-01), Beaver
patent: 4012952 (1977-03-01), Dory
patent: 4034332 (1977-07-01), Alais
patent: 4058003 (1977-11-01), Macovski
A. C. Eggleton, State-of-the-Art of Single-Transducer Ultrasonic Imaging Technology Medical Physics, vol. 3, No. 5, pp. 303-311, Oct. 1976.

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