Ultrasound gating of cardiac CT scans

Details Ultrasound gating of cardiac CT scans Ultrasound gating of cardiac CT scans

2005-01-05

2009-06-02

Winakur, Eric F (Department: 3768)

X-ray or gamma ray systems or devices

Specific application

Absorption

C378S008000, C600S428000

Reexamination Certificate

active

07542544

ABSTRACT:
An ultrasonic imaging system acquires echo signals from an object being imaged such as a moving coronary artery and the cross-correlation between echo signals is employed as an objective measure of relative object location. The method is used in a prescan procedure to determine an optimal gating window to acquire image data during a cardiac gated scan, and it is used during the scan as a real time gating signal.

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patent: 6937883 (2005-08-01), Prince
Neil Greenberg, et al., Optimal Cardiac Phase Selection for Multi-Slice CT Using Tissue Doppler Ultrasound, Proceedings of the 4th International Conference on Cardiac Spiral CT, Cambridge, MA, Jul. 2003, p. 13.
Jonathan M. Rubin, M.D., Ph.D., et al., Doppler US Gating of Cardiac MR Imaging, Acad. Radiology, vol. 7, No. 12, Dec. 2000, pp. 1116-1122.

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