Radiant energy – Inspection of solids or liquids by charged particles – Analyte supports
Patent
1978-10-31
1980-10-21
Smith, Alfred E.
Radiant energy
Inspection of solids or liquids by charged particles
Analyte supports
250491, 250523, G01N 2100, G21K 510, H01J 3516
Patent
active
042296560
ABSTRACT:
Precise orientation of an x-ray apparatus in which the x-ray tube and film cassette are mounted on opposite ends of a C-shaped arm is facilitated by a chair for the patient which is precisely movable along X and Y axes with the digital readout of adjusted positions. The angular rotation of the chair on its vertical support also has a digital readout. All of the readouts may be adjusted to zero at basic positions to facilitate adjustment. The angle of the C-arm is displayed by an inclinometer which also may be adjusted to zero at a basic position. The chair has an adjustable cradle for the head and the entire chair may be tilted to an acute angle to support unconscious or disabled patients without interfering supports. Orientation of the C-arm is also facilitated by a light source removably mounted over the film cassette, which designates the exit point of the x-ray on the patient.
REFERENCES:
patent: 1877690 (1932-09-01), Russell
patent: 2264410 (1941-12-01), Schier
patent: 2532967 (1950-12-01), Thompson
patent: 3045118 (1962-07-01), Hollman et al.
patent: 4088893 (1978-05-01), Schroeder
patent: 4132900 (1979-01-01), Smith et al.
Radberg, C. and Welander, U., Maxillo-Facial Radiography with ORBIX, Siemens-Elema AB, Stockholm, Title, Contents, Position, Introduction, and Technical Description pages.
Iversen Arthur
Magyar John
Grigsby T. N.
Pfizer Inc.
Smith Alfred E.
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