X-ray or gamma ray systems or devices – Specific application – Dental panoramic
Patent
1996-09-09
1997-09-09
Wong, Don
X-ray or gamma ray systems or devices
Specific application
Dental panoramic
378 38, 378196, A61B 614
Patent
active
056663927
ABSTRACT:
In an X-ray diagnostic installation having a positioning arrangement for a radiation emitter and for a radiation receiver, a first positioning apparatus is provided for the radiation emitter and a second positioning apparatus is provided for the radiation receiver. The positioning apparatuses have a common reference axis. By a coupling the radiation emitter to the first positioning apparatus, the reference beam of a beam of radiation emitted by the radiation emitter intersects the common reference axis at an acute angle, and strikes the radiation receiver at least approximately centrally.
REFERENCES:
patent: 5355398 (1994-10-01), Nakano et al.
patent: 5371775 (1994-12-01), Kanerva et al.
"Simplified and Standardized Bisecting-Angle Technic for Dental Radiography," Updegrave, Journal of the American Dental Association, No. 75 (1967) pp. 1361-1368 no month.
Siemens Aktiengesellschaft
Wong Don
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