Ultrasonic diagnostic equipment

Details Ultrasonic diagnostic equipment Ultrasonic diagnostic equipment

1985-02-08

1987-01-06

Howell, Kyle L.

Surgery

Truss

Pad

73597, 73602, A61B 1000

Patent

active

046338837

ABSTRACT:
The ultrasonic diagnostic equipment in accordance with the present invention is constructed so as to detect the phase shift of the received signal of an ultrasonic wave transmitted by an ultrasonic transducer and reflected by an object in order to find the hologram signal for the object, and to obtain the reconstructed data for the object by carrying out the synthetic aperture operation by using the hologram signal and a kernel signal, and furthermore, it is arranged so as to detect the variations in the maximum amplitude value of the reconstructed result by varying the kernel signal relative to the hologram signal of the object, and to find the velocity of the ultrasonic wave from the kernel signal that gives rise to the largest maximum value of the amplitude.

REFERENCES:
patent: 4170142 (1979-10-01), Posakony et al.
patent: 4531411 (1985-07-01), Collins et al.
Ogawa et al., Third International Congress on the Ultrasound Examination of the Breast, No. 18, p. 34, Jun. 10-12, (Tokyo 1983).
Robinson et al., 28th Annual Meeting of the American Institute of Ultrasound in Medicine, Abstract #439, Oct. 18-21 (NY 1983).
Nishimura et al., Japanese Journal of Medical Ultrasonics, Proceedings of the 44th Meeting, 44-B-5, Jun. 8-10 (Tokyo 1984).

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