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Proceedings Paper

The Use Of A Digital Store To Provide Pulsed Fluoroscopy And Stored Images During Gastro-Intestinal Examinations
Author(s): D. M. Hynes; E. W. Edmonds; J. A. Rowlands; W. Wong Pack
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Paper Abstract

A 512 X 512 digital store has replaced a video disc as a storage mechanism during pulsed fluoroscopy. This system, storing 1 TV field from a 1023 line signal following each pulse, is much more stable than the analog disc and can also reduce the fluoroscopic dose by 75%. This stability now makes the concept of pulsed fluoroscopy acceptable from the clinical point of view. Furthermore, the stored images on this matrix can resolve to 1.5 line pairs per mm, which produces useful permanent hard copy. This represents a further extension of clinical videofluorography, already developed by the authors. Its implementation for storage of gastro-intestinal examinations will be discussed, with assessment of the relationship of x-ray dose to image quality.

Paper Details

Date Published: 28 August 1984
PDF: 4 pages
Proc. SPIE 0486, Medical Imaging and Instrumentation '84, (28 August 1984); doi: 10.1117/12.943215
Show Author Affiliations
D. M. Hynes, St. Joseph's Health Centre and University of Toronto (Canada)
E. W. Edmonds, Mohawk College and McMaster University (Canada)
J. A. Rowlands, University of Toronto (Canada)
W. Wong Pack, St.Joseph's Health Centre (Canada)

Published in SPIE Proceedings Vol. 0486:
Medical Imaging and Instrumentation '84
James A. Mulvaney, Editor(s)

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