Roentgenography of vertebral column and the devices used therefo

Details Roentgenography of vertebral column and the devices used therefo Roentgenography of vertebral column and the devices used therefo

1994-12-16

1996-09-10

Porta, David P.

X-ray or gamma ray systems or devices

Photographic detector support

With object support or positioning

378182, 378209, G03B 1202

Patent

active

055552846

ABSTRACT:
A roentgenography and a device used therefor by which shapes of the vertebral columns of vertebrate animal including Homo sapiens can be clearly photographed when once photographed for the sake of positively diagnosing an affected part of disc hernia and the like. The roentgenography is carried out by laying a patient vertebrate animal on a concavely curved X-ray film the radius of curvature of which is equal to a distance between the X-ray film and an X-ray tube positioned over the same to curve the vertebral column of the patient into a circularly arced shape, and irradiating perpendicularly X-ray from the center of this circular arc upon the vertebral column. The device used for executing the above roentgenography is either a curved photographic stand provided with a top which is concavely formed in such that the radius of curvature of the concave shape is equal to a difference between the top and an X-ray tube positioned over the same or a concavely curved cassette which is concavely formed in such that the radius of curvature of the concave shape is equal to a difference between the cassette and an X-ray tube positioned over the same.

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patent: 5365565 (1994-11-01), Barbaric
Lloyd, Ray D. et al., "Design and Calibration of a Total-Body Counting System for Measuring Radioactivity in Beagles", International Journal of Applied Radiation and Isotopes, Feb. 1976, vol. 27, pp. 103-111.

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