Untrasound diagnostic equipment for calculating and displaying i

Details Untrasound diagnostic equipment for calculating and displaying i Untrasound diagnostic equipment for calculating and displaying i

1990-02-15

1992-03-24

Jaworski, Francis

Surgery

Truss

Pad

12866104, A61B 800

Patent

active

050978365

ABSTRACT:
Ultrasound diagnostic equipment comprises a tissue power unit for calculating tissue scattering power of tissues of an object of measurement in an organ, a blood power unit for calculating scattering power of blood in the organ and estimating blood scattering power at a portion of the tissues of the object of measurement by using the calculated scattering power of the blood, an integrated backscatter unit for normalizing the tissue scattering power by using the estimated blood scattering power and calculating an integrated backscatter by the normalized tissue scattering power, and a display unit for displaying the integrated backscatter. Therefore, the integrated backscatter of the tissues can be quantitatively estimated without being influenced by attenuation. Furthermore, this estimated quantitative integrated backscatter of the tissues is displayed on the display unit accompanied with a B-mode image, an electrocardiogram, and the like, so that diagnostic accuracy can be increased.

REFERENCES:
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patent: 4803994 (1989-02-01), Burke
patent: 4862892 (1989-09-01), Green
patent: 4867167 (1989-09-01), Magnin
patent: 4873984 (1989-10-01), Hunt et al.
patent: 4881549 (1989-11-01), Rhyne
"A Real-Time Integrated Backscatter Measurement System for Quantitative Cardiac Tissue Characterization", Thomas III et al., IEEE Transactions on Ultrasonics, Ferroeletrics and Frequency Control, vol. UFFC-33, No. 1, Jan., 1986, pp. 27-32.
"The Myocardial Signature: Absolute Backscatter, Cyclical Variation, Frequency Variation, and Statistics", Ultrasonic Imaging 8, vol. 8, No. 2, Apr., 1986, pp. 107-120.
"Effects of Coronary Artery Occlusion and Reperfusion on Cardiac Cycle-Dependent Variation of Myocardial Ultrasonic Backscatter", Glueck et al., Circulation Research, vol. 56, No. 5, May, 1985, pp. 683-689.
"Regional Differences in the Cyclic Variation of Myocardial Backscatter That Parallel Regional Differences in Contractile Performance", Mottley et al., J. Acoust. Soc. Am. 76 (6), Dec., 1984, pp. 1617-1623.
"Sensitive Detection of the Effects of Reperfusion on Myocardium by Ultrasonic Tissue Characterization with Integrated Backscatter", Wickline et al., Circulation, vol. 74, No. 2, Aug, 1986, pp. 389-400.

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