Medical radiographic apparatus
Patent
·
OSTI ID:6460928
In a computer-assisted tomography (cat) apparatus, in which a fan-shaped x-ray distribution is rotated about the patients body, it is possible to use a ring of stationary detectors disposed to receive the radiation after passage through the body. In this arrangement the ring of detectors is of smaller radius than the locus of motion of the radiation source. It would appear that this would cause the detectors to obscure the body from the radiation. An arrangement disclosed moves out of the radiation beam those detectors which would present an obstruction so that only those required to collect radiation lie in the beam.
- Assignee:
- EMI Ltd (United Kingdom)
- Patent Number(s):
- US 4246484
- OSTI ID:
- 6460928
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550602* -- Medicine-- External Radiation in Diagnostics-- (1980-)
62 RADIOLOGY AND NUCLEAR MEDICINE
COMPUTERIZED TOMOGRAPHY
DESIGN
DIAGNOSTIC TECHNIQUES
ELECTROMAGNETIC RADIATION
EQUIPMENT
IONIZING RADIATIONS
MEASURING INSTRUMENTS
MOTION
RADIATION DETECTORS
RADIATIONS
ROTATION
TOMOGRAPHY
X RADIATION
X-RAY EQUIPMENT
62 RADIOLOGY AND NUCLEAR MEDICINE
COMPUTERIZED TOMOGRAPHY
DESIGN
DIAGNOSTIC TECHNIQUES
ELECTROMAGNETIC RADIATION
EQUIPMENT
IONIZING RADIATIONS
MEASURING INSTRUMENTS
MOTION
RADIATION DETECTORS
RADIATIONS
ROTATION
TOMOGRAPHY
X RADIATION
X-RAY EQUIPMENT