Capsule for photographic use in a walled organ of the living bod

Details Capsule for photographic use in a walled organ of the living bod Capsule for photographic use in a walled organ of the living bod

1978-12-29

1980-08-12

Gonzales, John

Surgery

Truss

Pad

128 6, 354126, 354227, A61B 106, G03B 1502, G03B 2900

Patent

active

042170451

ABSTRACT:
A photographic capsule for diagnostic use in photographing a walled organ of the body such as a portion of the alimentary canal or the like includes a frame with a photographic unit and a balloon surrounding the photographic unit for expansion in place in the alimentary canal to smooth and space to a focal plane the walls of the portion to be photographed; the photographic unit making exposures through the balloon, illuminated by light relayed from outside the subject against a conical mirror through a fibre optics bundle within a shielding tube which also serves for retrieval, for holding signal leads, and as conduit for gas in inflating and deflating the balloon; in a preferred embodiment an electro-optical shutter is employed and a 360.degree. view is provided by means of annular coaxial structure of photographic lens, shutter, film and balloon.

REFERENCES:
patent: 1828141 (1931-10-01), Back
patent: 2641977 (1953-06-01), Uji
patent: 2879703 (1959-03-01), Blaise
patent: 3100482 (1963-08-01), Hett
patent: 3162190 (1964-12-01), Del Gizzo
patent: 3221593 (1965-12-01), Ferris
patent: 3511147 (1970-05-01), Falenks
patent: 3791377 (1974-02-01), Norby
patent: 4038977 (1977-08-01), Okada
patent: 4040413 (1977-08-01), Ohshiro
Martin Tobias, Internationl Handbook of Liquid Crystal Displays, 1975-1976, Second Edition with 1976 Supplement, sections 5.4.2, 5.4.3, Fig. 6-8.

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