Xenon CT apparatus, method of determining arterial blood...

Details Xenon CT apparatus, method of determining arterial blood... Xenon CT apparatus, method of determining arterial blood...

2009-11-11

2011-11-08

Song, Hoon (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S004000

Reexamination Certificate

active

08054936

ABSTRACT:
In a blood flow measuring apparatus, a data processor in a computer determines three parameters from a (ΔCT value of CT image data corresponding to) time-course change, consisting of a test region rate constant K, an arterial blood rate constant Ka, and a xenon partition coefficient λ. A blood flow f is determined using the determined rate constant K, and the xenon partition coefficient λ.

REFERENCES:
patent: 4610258 (1986-09-01), Colsher
patent: 6337895 (2002-01-01), Sase
patent: 3681610 (2005-05-01), None
Shigeru Sase, “Determination of time-course change rate for arterial xenon using the time course of tissue xenon concentration in xenon-enhanced computed tomography”, Medical Physics, vol. 35, No. 6, Jun. 2008, pp. 2331-2338.

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