X-ray or gamma ray systems or devices – Beam control – Scanner
Patent
1986-06-02
1987-09-22
Howell, Janice A.
X-ray or gamma ray systems or devices
Beam control
Scanner
378181, 378177, G21K 510
Patent
active
046960252
ABSTRACT:
Apparatus are disclosed to scan an elongate portion of the patient. The apparatus have a low power x-ray source and imaging assembly, each having a collimating slit through which an x-ray beam is transmitted. Means are provided to move the patient relative to the x-ray source. A film pack is located in the imaging assembly and is mounted on a motor carrier to move the film pack progressively past the slit axis so as to record the image obtained. The low power x-ray beam is offset by a high speed film and an image intensifier in the imaging assembly, thereby reducing the amount of radiation subjected on the patient.
REFERENCES:
patent: 2496089 (1950-01-01), Goldfield et al.
patent: 3150260 (1964-09-01), Smith
patent: 4404591 (1983-09-01), Bonar
Howell Janice A.
O'Rourke Thomas A.
Porta David P.
University of Toronto - Innovations Foundation
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