X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Patent
1985-04-12
1987-08-11
Church, Craig E.
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
378 22, 378901, G01N 2304
Patent
active
046866922
ABSTRACT:
Method and apparatus for a computed tomography patient localization scan. A source of radiation that orbits a patient during a normal computed tomography scan is fixed relative an array of radiation detectors. The patient is then moved in a direction generally perpendicular to the plane of the radiating source and array to obtain a first shadowgraph data set. The source is orbited a small amount and the patient is again moved relative the source and detector array to obtain a second shadowgraph set of data. The two sets of data are then interleaved to obtain a shadowgraph image having higher resolution than either the first or second shadowgraph.
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DeMeester Gordon D.
Mattson Rodney A.
Church Craig E.
Freeman John C.
Picker International Inc.
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