Three dimensional scanned projection radiography using high spee

Details Three dimensional scanned projection radiography using high spee Three dimensional scanned projection radiography using high spee

1984-05-29

1987-06-09

Howell, Janice A.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378 41, A61B 602

Patent

active

046726497

ABSTRACT:
A stereoscopic or three dimensional radiograph or a continuously rotating three dimensional radiograph of a patient is obtained using a high speed CT scanning system in which fan beams of radiation are generated by sweeping an electron beam along a target. Collimated X-rays emitted by the target are received by an array of detectors after passing through a patient area between the target and the array of detectors. Two detector positions, comprising one or more detectors, each can be employed to obtain a pair of two dimensional projection radiographs. The radiographs are alternately viewed by a viewer by selectively opening and closing shutter means associated with the eyes of the viewer as the radiographs are alternately assembled for viewing whereby one eye sees one radiograph and the other eye sees the other radiograph. Alternatively, a plurality of pairs of detector positions can be employed in measuring radiation and obtaining a continuously rotating three dimensional projection radiograph.

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patent: 4573179 (1986-02-01), Rutt

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