X-ray or gamma ray systems or devices – Photographic detector support – Dental
Patent
1982-10-15
1985-03-26
Smith, Alfred E.
X-ray or gamma ray systems or devices
Photographic detector support
Dental
378168, A61B 614
Patent
active
045077983
ABSTRACT:
A device for performing X-ray examinations of the teeth comprises a film holder which is detachably connectable to an arm which in turn is detachably connectable with an aligning disc. An opening in the aligning disc is provided to position the X-ray machine when the device is assembled in alignment with the X-ray film. The arm, the aligning disc and the film holder are so designed that exposure can take place with lying as well as standing film, that the upper as well as the lower gum can be exposed, and that the arm may be connected to the left as well as to the right. The invention also includes an extension part by means of which the biting surface may be increased.
REFERENCES:
patent: 2392109 (1946-01-01), Vlock
patent: 2786947 (1957-03-01), Lieberman
patent: 2899559 (1959-08-01), Maurer
patent: 3003062 (1961-10-01), Updegrave
patent: 3304422 (1967-02-01), Medwedeff
patent: 3473026 (1969-10-01), Updegrave
Grigsby T. N.
Smith Alfred E.
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