Radiography

Details Radiography Radiography

1981-03-24

1983-03-22

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378 9, G03B 4116

Patent

active

043778674

ABSTRACT:
A radiographic apparatus contains at least one source and at least one detector bank mounted on respective concentric annular rings; the patient's body being disposed inside the smaller ring. The rings are rotated in opposite directions and at such respective angular velocities that the effect of a lateral sweep of the detectors and source across the body is achieved with purely rotational movements. Advantageously, one ring carries two sources disposed diametrically opposite one another and the other ring carries three banks of detectors distributed equi-angularly therearound.

REFERENCES:
patent: 3778614 (1973-12-01), Hounsfield
patent: 4010370 (1977-03-01), Le May

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