Stereoscopic endoscope

Details Stereoscopic endoscope Stereoscopic endoscope

1993-09-17

1996-12-31

Apley, Richard J.

Surgery

Endoscope

With camera or solid state imager

348 45, 600117, 600137, 600173, A61B 104, H04N 1300

Patent

active

055889484

ABSTRACT:
A stereoscopic endoscope including an objective lens system for forming an image of an object which objective lens system is arranged at the front end of an inserting section and has a single optical axis; an image transmission device coaxially arranged with the objective lens system and adapted to transmit the image formed by the objective lens system; a pupil dividing device for dividing the image transmitted through the objective lens system and the image transmission device so as to obtain left and right images of the object; an image sensing device for picking up the left and right images obtained by the pupil dividing device; a first support structure containing-at least the objective lens system; and a second support structure containing at least the pupil dividing device and the image sensing device, wherein the first and second support structures are rotatable relative to each other around an axis extending along the longitudinal dimension of the endoscope.

REFERENCES:
patent: 3251933 (1966-05-01), Beste
patent: 4061135 (1977-12-01), Widraw et al.
patent: 4862873 (1989-09-01), Yajima et al.
patent: 4877307 (1989-10-01), Kalmanash
patent: 4884876 (1989-12-01), Lipton et al.
patent: 5222477 (1993-06-01), Lia

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