Method for adaptively modulating the power level of an x-ray tube of a computer tomography (CT) system

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United States of America Patent

PATENT NO 5822393
SERIAL NO

08831411

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Abstract

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In a method for adaptively modulating the power level of an x-ray tube of a computer tomography (CT) system for reducing an x-ray dose of an x-ray beam radiating through a patient and reaching detector means of said CT system during the acquisition of projections of body slices of the patient, the value of the maximum attenuation level per projection is established out of the patient projection data acquired for the respective projection and stored in a memory. The value of the maximum attenuation level for the next projection is predicted based on at least one of the stored values of the maximum attenuation levels and the respective power level of the x-ray tube for the next projection is established. Finally the respective power level of the x-ray tube for the next projection is accordingly adjusted.

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Patent Owner(s)

Patent OwnerAddress
SIEMENS HEALTHCARE GMBHHENKESTR 127 ERLANGEN 91052

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Popescu, Stefan Bukarest, RO 144 2324

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