Endoscope

Details Endoscope Endoscope

1977-02-28

1980-08-05

Michell, Robert W.

Surgery

Truss

Perineal

350276SL, A61B 106

Patent

active

042156785

ABSTRACT:
An endoscope includes a light conducting outer tube and a light absorbing inner tube, with the inner tube being located concentric with the outer tube and being spaced a distance radially inwardly from the outer tube so as to maintain total internal reflection in the light conducting material of the outer tube.

REFERENCES:
patent: 2699770 (1955-01-01), Fourestier
patent: 2843112 (1958-07-01), Miller
patent: 2922415 (1960-01-01), Campagna
patent: 3068739 (1962-12-01), Hicks et al.
patent: 3071129 (1963-01-01), Wasserman
patent: 3261349 (1966-07-01), Wallace
patent: 3261356 (1966-07-01), Wallace
patent: 3417746 (1968-12-01), Moore et al.
patent: 4048988 (1977-09-01), Regenbogen

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