Endoscope device with tool channel
AssigneeOlympus Optical Co., Ltd.
InventorTetsumaru Kuboto
Life of this patent
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Abstract
An endoscope device wherein an observing optical system, illuminating optical system and channel are incorporated into respectively independent pipes which are then arranged as exposed out to form an endoscope inserting part and the above mentioned channel is formed to be of a noncircular cross-section so that, when a treating tool is inserted through the channel, a larger hollow gap may be made between the inner wall of the channel and the treating tool.
Claims3
An endoscope device characterized in that an observing optical systems, illuminating optical system and treatment tool channel are incorporated into respectively independent pipes which are then arranged to form an endoscope inserting part, said treatment tool channel pipe being formed in a noncircular cross-section and having a hollow gap extending axially along the interior of said treatment tool channel pipe between the treating tool and said treatment tool channel pipe when the treatment tool is inserted therethrough.
Dependencies are inferred from the claim text.