Computed tomography method and apparatus
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United States of America Patent
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Feb 17, 1987
Issued Date -
N/A
app pub date -
Jan 19, 1981
filing date -
Sep 17, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Apparatus is disclosed for providing electrical energy to orbital components of a computed tomography (CT) scanning unit. The apparatus includes a number of high voltage slip rings immersed in an insulating dielectric material. Each slip ring contacts a stationary brush biased to contact the slip ring to insure maintenance of a low resistance path between a stationary source of high potential and a cathode and anode pair of an orbital X-ray tube. A number of low voltage slip rings are further included to facilitate transmission of low voltages to other orbital components of the CT unit. The apparatus is of a compact light-weight design and is mounted to tilt certain components about an axis which intersects a patient's torso to provide CT scanning flexibility.
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