Endoscope

Details Endoscope Endoscope

1975-12-18

1977-07-19

Michell, Robert W.

Surgery

Truss

Perineal

350 69, 350252, A61B 100

Patent

active

040362183

ABSTRACT:
An endoscope comprising optical elements such as field lenses and relay lenses arranged in an outer tube without using tubular spacers so that the intensity of transmitted light becomes high.

REFERENCES:
patent: 3257902 (1966-06-01), Hopkins
patent: 3414344 (1968-12-01), Mukojima
patent: 3484148 (1969-12-01), Gotoh

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