Xenon CT apparatus, method of determining arterial blood rate constant, and method for calculating blood flow
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United States of America Patent
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Nov 8, 2011
Grant Date -
May 20, 2010
app pub date -
Nov 11, 2009
filing date -
Nov 14, 2008
priority date (Note) -
Expired
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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.
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