G - Physics – 02 – B
Patent
G - Physics
02
B
88/21, 88/97.64
G02B 1/00 (2006.01) A61B 1/00 (2006.01) G02B 6/00 (2006.01) G02B 6/42 (2006.01) G02B 23/26 (2006.01)
Patent
CA 1192071
ABSTRACT A method and apparatus for recovering the light trans- mittance of an image transmitting optical fibre bundle used in a fibre optic endoscope wherein an image transmitting optical fibre bundle having a radiation induced reduction and light transmittance of an image transmitting optical fibre bundle has the image exposed through its light incident end to visible light radiation wherein the radiation contains components of a wave length shorter than about 650 nm, the apparatus comprises a light source emitting visible light radiation and the casing including the light source wherein through which the light source is optically faced to the end of the image transmitting optical fibre bundle and the casing includes connecting device engageable with a fibre optical endo- scope.
396344
Ishibashi Kuniaki
Kojima Takuo
Fuji Photo Optical Co. Ltd.
Gowling Lafleur Henderson Llp
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