Dental X-ray tube head

Details Dental X-ray tube head Dental X-ray tube head

1978-02-03

1979-06-05

Anderson, Bruce C.

Radiant energy

Source supports

250515, H01J 3516, H05G 300

Patent

active

041574761

ABSTRACT:
In a dental x-ray tube head, the x-ray tube is in a casing that supports the tube and shields against stray radiation being projected to the environment through the housing of the tube head. The casing has an aperture for exit of the primary x-ray beam which is directed toward the examination subject. A hollow conical casting extension has its open-ended base intergral with the lower wall of the housing and its open apex end proximate to the aperture in the shield casing. A hollow conical liner comprised of x-ray absorbent material is fastened in the conical casting extension. The shield casing and liner are comprised of resin which is impregnated with barium sulphate.

REFERENCES:
patent: 1227884 (1917-05-01), Caldwell
patent: 3549478 (1970-12-01), Gillery et al.
patent: 3858050 (1974-12-01), Carlson

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