Volumetric ultrasonic imaging with diverging elevational ultraso

Details Volumetric ultrasonic imaging with diverging elevational ultraso Volumetric ultrasonic imaging with diverging elevational ultraso

1993-04-05

1994-04-26

Jaworski, Francis

Surgery

Truss

Pad

12866101, 12866203, 12866301, A61B 800

Patent

active

053057562

ABSTRACT:
An ultrasonic transducer is provided for producing two-dimensional projection images of the interior of the body. The transducer may comprise an array of elements, acuated to produce scanning beams which are focused in the azimuthal direction and divergent in the elevation direction. The elements will, when actuated, emit fan-shaped beams which will insonify a volumetric region in front of the transducer. Echoes returning from structures within the volumetric region are acoustically integrated and projected onto a plane within the region. An image display of this plane will represent a two-dimensional projection of the volumetric region.

REFERENCES:
patent: 4184094 (1980-01-01), Kopel
patent: 4445915 (1990-08-01), Nagasaki
patent: 4459853 (1984-07-01), Miwa et al.
Talbert, D. G. "An Add-on Modification for Linear Array Real Time Ultrasound Scanners to Produce 3 Dimensional Displays", UTS International 1977 Brighton, England (Jun. 28-30, 1977) pp. 57-67.
D. H. Howry et al., "Three dimensional and stereoscopic observation of body structures by ultrasound", J. Appl. Phys., v. 9, pp. 304-306 (1956).
O. T. von Ramm et al., "High-speed ultrasound volumetric imaging system-Part II: parallel processing and display," IEEE Trans. Ultrason. Ferroelec. Frequ. Contr., vol. 38, pp. 109-115 (1991).
S. W. Smith et al., "High-speed ultrasound volumetric imaging system-Part I: Transducer design and beam steering," IEEE Trans. Ultrason. Ferroelec. Freq. Contr., vol. 38, pp. 100-108 (1991).
D. P. Shattuck et al., "Explosocan: A parallel processing technique for high speed ultrasound imaging with linear phased arrays," J. Acoust. Soc. Amer., vol. 75, No. 4, pp. 1273-1282 (1984).

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