Panoramic dental X-ray machine with camera detached therefrom

Details Panoramic dental X-ray machine with camera detached therefrom Panoramic dental X-ray machine with camera detached therefrom

1980-04-21

1982-03-23

Smith, Alfred E.

Radiant energy

Fluent material containment, support or transfer means

With irradiating source or radiating fluent material

250446, 250468, G01N 2300, G21K 506, G11B 100

Patent

active

043214720

ABSTRACT:
Panoramic dental X-ray machine wherein the camera assembly is physically detached from the tubehead assembly to prevent their rotation as an integral unit around the patient's head. Essentially, the detached camera assembly, modified in accordance with one aspect of the invention, is positioned above the head of the patient and its semi-cylindrical film carrier carries X-ray film therewith. The film carrier is cupped about the patient's face with an inner drum or mask configured similarly to the film carrier interposed between the film carrier and patient's face. The film carrier and film are then rotated at slow non-linear speeds by the film drive mechanism of the camera assembly in accordance with the type radiograph desired, i.e., continuous or discontinuous. The many advantages of the disclosed panoramic X-ray machine are cited.

REFERENCES:
patent: 2684446 (1954-07-01), Paatero
patent: 3445655 (1969-05-01), Curry
patent: 3617742 (1971-11-01), Schulman et al.
patent: 3737660 (1973-06-01), Ando et al.
patent: 3743832 (1973-07-01), Wright
patent: 3792281 (1974-02-01), Schwartz et al.
patent: 4147662 (1979-04-01), Schwartz
patent: 4221970 (1980-09-01), Ciavattoni

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