Surgery – Truss – Perineal
Patent
1978-03-10
1980-09-16
Michell, Robert W.
Surgery
Truss
Perineal
128348, A61B 106, A61B 112
Patent
active
042223750
ABSTRACT:
An in vivo illumination system includes an elongate cannula and a fiber optic cable passing through the cannula having a lens disposed in an opening in the distal end of the cannula and a condenser lens disposed in a housing adapted to be mounted on the end of a light source such that the lenses provide concentrated light from the light source at the distal end of the cannula. The cannula has an aperture formed in a side wall thereof at the distal end to permit the flow of fluids through the cannula, and an adapter assembly is utilized to mount the condenser lens on the light source, the adapter assembly including a spherical lens for concentrating light from a lamp in the light source on the condenser lens.
REFERENCES:
patent: 3068739 (1962-12-01), Hicks et al.
patent: 3131690 (1964-05-01), Innis et al.
patent: 3584779 (1971-06-01), Kessler et al.
patent: 3814081 (1974-06-01), Mori
patent: 3866599 (1975-02-01), Johnson
patent: 3902058 (1975-08-01), Naylor et al.
C. P. Olinger and R. L. Ohlhaber, "Eighteen-Gauge Microscopic-Telescopic Needle Endoscope", Surgical Neurology, vol. 2, No. 3, May 1974, pp. 151-159.
M. Epstein, "Hypodermic Fiberscope", Conference: Application of Optical Instrumentation in Medicine, 2nd Seminar, Chicago, Nov. 1973, pp. 113-116.
Epstein Robert H.
Michell Robert W.
Tayon Jeffrey W.
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