Endoscope system and endoscope

Details Endoscope system and endoscope Endoscope system and endoscope

2011-03-29

2011-03-29

Leubecker, John P (Department: 3779)

Surgery

Endoscope

With additional scope

C600S104000, C600S129000, C600S153000

Reexamination Certificate

active

07914444

ABSTRACT:
An endoscope system includes a first endoscope that includes a first distal end portion, a first observation window provided at the first distal end portion, a first objective optical system optically coupled to the first observation window and having a first viewing angle, and a first treatment instrument channel opening positioned at a first distance away from the first observation window; and a second endoscope that includes a second distal end portion, a second observation window provided at the second distal end portion, a second objective optical system optically coupled to the second observation window and having a second viewing angle wider than the first viewing angle, and a second treatment instrument channel opening positioned at a second distance longer than the first distance.

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