Illumination system for endoscopes

Optical waveguides – Optical fiber bundle – Imaging

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G02B 606

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active

055966667

ABSTRACT:
An endoscope illumination system having an objective lens system forming an image of an object of an internal organ or in a hollow structural body and a light guide fiber bundle for guiding illumination light generated by the light guide source to a light exit end thereof and illuminating the object includes a shift mechanism means for causing parallel movement of the optical axis of the light exit end with respect to and in a plane including the optical axis of the illumination lens system.

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patent: 4878112 (1989-10-01), Ieoka
patent: 4882619 (1989-11-01), Hasegawa et al.
patent: 4902115 (1990-02-01), Takahashi
patent: 5014121 (1991-05-01), Tsujiuchi et al.
patent: 5148502 (1992-09-01), Tsujiuchi et al.
patent: 5434669 (1995-07-01), Tabata et al.

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