X-ray or gamma ray systems or devices – Specific application – Tomography
Patent
1987-01-20
1989-04-04
Fields, Carolyn E.
X-ray or gamma ray systems or devices
Specific application
Tomography
378 99, 378 38, 378 39, A61B 600, H05G 160
Patent
active
048192546
ABSTRACT:
The invention relates to a method of and an apparatus for recording image information in panoramic X-ray photography. The total information contained in a beam of X-rays penetrated through an object is recorded on a memory disc, whose configuration is substantially the same as that of an object to be imaged, such as a dental arch, said memory disc being kept stationary during the filming relative to the object to be imaged. The memory disc is used for producing or presenting layerwise reproduced images of desired layers. The preparation of reproduced images from the memory disc can be performed on a principle corresponding to conventional panoramic tomography with the exception that the object to be imaged is a memory disc.
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Paatero, Y. V., "Parablograf:," Suomi hammaslaak. toim. 90, (1949)--With English Summary.
Nieminen Tero
Nieminen Timo
Fields Carolyn E.
Freeman John C.
Radiante Oy
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