Operating microscope with two pairs of stereo eye-piece lenses

Details Operating microscope with two pairs of stereo eye-piece lenses Operating microscope with two pairs of stereo eye-piece lenses

1977-04-04

1979-02-06

Henry, Jon W.

350 36, G02B 2122, G02B 2136

Patent

active

041381912

ABSTRACT:
A combined operating microscope and illumination system having a coaxial and/or par focal light source for illumination for precise instrumentation during intraocular and other operating procedures. Stereoscopic view for a surgeon and an assistant is provided with an alternatively selective light diverting system in the assistant's light system for photographic purposes. Coaxial and par focal slit illumination are achieved by a light source movable on an arc shaped tract without reflecting light through the surgeon's lens system thereby permitting additional space for a second light system to the assistant without reducing that available to the surgeon.

REFERENCES:
patent: 3124682 (1964-03-01), Kojima et al.
patent: 3173984 (1965-03-01), Vogl
patent: 3623807 (1971-11-01), Gabler et al.
patent: 3718400 (1973-02-01), Yonekubo
patent: 3776614 (1973-12-01), Kloots et al.
patent: 3909106 (1975-09-01), Bohler
patent: 4035057 (1977-07-01), Klein

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