Endoscope insertion portion

Details Endoscope insertion portion Endoscope insertion portion

2011-08-16

2011-08-16

Leubecker, John P (Department: 3779)

Surgery

Endoscope

With particular distal tip configuration

C600S109000, C600S157000, C600S168000, C600S176000

Reexamination Certificate

active

07998064

ABSTRACT:
An endoscope insertion portion of the invention comprises: a distal end portion; first image pickup means for obtaining a first observation image, the first image pickup means being disposed to the distal end portion; second image pickup means for obtaining a second observation image, the second image pickup means being disposed to the distal end portion; a first object optical system for condensing photographing light incident on the first image pickup means, the first object optical system being located in the distal end portion; a second object optical system for condensing photographing light incident on the second image pickup means, the second object optical system being located in the distal end portion; and a plurality of illumination optical systems for irradiating light to a subject, the plurality of illumination optical systems being located in the distal end portion in a manner sandwiching each of the first object optical system and the second object optical system. The endoscope insertion portion thus can show enough of good observation performance by distributing a plurality of image pickup means with necessary amount of illumination light.

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Extended Supplementary European Search Report dated Jan. 13, 2010.

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