X-ray or gamma ray systems or devices – Photographic detector support – Dental
Patent
1984-01-12
1986-05-27
Church, Craig E.
X-ray or gamma ray systems or devices
Photographic detector support
Dental
378168, G03B 4202
Patent
active
045920842
ABSTRACT:
A dental X-ray holder for use in endodontics, for positioning a dental X-ray film in a predetermined position in the mouth for retention of the film in a given position at each placement of the holder by the patient's bite on the holder, comprises a film retaining member having an inner tongue and an outer tongue defining a slot therebetween for receiving and holding an X-ray film packet; two spaced apart side walls integral with the respective side edges of the film retaining member, the side walls together with the film retaining member defining a U-shaped area therebetween for accommodating endodontic equipment, such as a rubber dam clamp and root canal files; two flanges, the transverse edge of each flange integral with the upper edge of the adjacent side wall and the longitudinal edge of each flange integral with the adjacent portions of the upper edge of the film retaining member for providing rigidity; and a positioning arm which may be removably attached to either side wall.
REFERENCES:
patent: 4489427 (1984-12-01), Allison
patent: 4507798 (1985-03-01), Welander
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