X-ray CT apparatus and imaging planning apparatus

An X-ray CT apparatus according to an embodiment includes: an X-ray generator configured to generate X-rays; an X-ray detector configured to detect X-rays that have passed through a patient and including first to n-th groups of detecting elements configured to store therein electric charges generate...

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Bibliographic Details
Main Author Tsuyuki, Masaharu
Format Patent
LanguageEnglish
Published 16.11.2021
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEASUREMENT OF NUCLEAR OR X-RADIATION
MEASURING
MEDICAL OR VETERINARY SCIENCE
PHYSICS
SURGERY
TESTING
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Summary:An X-ray CT apparatus according to an embodiment includes: an X-ray generator configured to generate X-rays; an X-ray detector configured to detect X-rays that have passed through a patient and including first to n-th groups of detecting elements configured to store therein electric charges generated from the detection (where n is an integer of 2 or larger); a Data Acquisition System (DAS) configured to acquire detection data for each view, by repeatedly performing a process of sequentially reading the electric charges stored in the first to the n-th groups of detecting elements in units of groups, starting with the first group of detecting elements; and processing circuitry configured to periodically change energy of X-rays radiated onto the patient and to also control the X-ray generator so that, while the detection data related to one view or a plurality of consecutive views is acquired, an average energy level of the X-rays radiated onto the patient is substantially equal among the groups of detecting elements.
Bibliography:Application Number: US201916599634