Summary
The technic and principles of taking photographs through the Fiberscope are described. Since the fiber optic system transmits enough of the light normally used for endoscopy, no accessory illumination is required even for good color movies.
Four criteria for adequate endoscopic color photography have been met by the Fiberscope: (1) adequate light transmission, (2) adequate image resolution, (3) adequate color rendition, and (4) ease of making photographs with available light and no accessory equipment.
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Reference
Hirschowitz, B. I. Endoscopic examination of the stomach and duodenal cap with the Fiberscope.Lancet 5 (20):1074, 1961.
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This study was supported by grants from the USPHS (A-4978 GM) and from the Wappler Foundation.
Two teaching films have been deposited with the secretary of the American Society for Gastrointestinal Endoscopy—one 16mm. with a magnetic sound track showing the tcchnic of endoscopy and some representative lesions, and an 8-mm. movie without sound showing normal and abnormal findings in the stomach, duodenum, and jejunum.
The author is indebted to John Hett of American Cystoscope Makers, for helping us work out some of the practical details of the photography. Dr. John Balint took some of the sequences shown in the movies.
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Hirschowitz, B.I. Photography through the fiber gastroscope. Digest Dis Sci 8, 389–395 (1963). https://doi.org/10.1007/BF02231991
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DOI: https://doi.org/10.1007/BF02231991