X-ray or gamma ray systems or devices – Specific application – Dental panoramic
Patent
1982-11-19
1985-06-04
Smith, Alfred E.
X-ray or gamma ray systems or devices
Specific application
Dental panoramic
A61B 614
Patent
active
045218994
ABSTRACT:
A dental X-ray diagnostic device for producing panoramic layer exposures of a subject particularly panoramic layer exposures of a jaw characterized by an X-ray source mounted on an arm of a carriage, a cassette which receives X-ray film and is rotatably mounted on the arm so that when the arm of the carriage is rotated both the source and cassette rotate around the subject with the cassette also being rotated relatively on the arm and a slit diaphragm having a changeable effective width for varying the thickness of the layer in which sharp images can be obtained.
REFERENCES:
patent: 4419764 (1983-12-01), Kinanen
Finkenzeller Johann
Mittelstaedt Wolfgang
Grigsby T. N.
Siemens Aktiengesellschaft
Smith Alfred E.
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