| 摘要 |
PROBLEM TO BE SOLVED: To obtain an endoscope enhanced in the insulating reliability and appearance of the fluid flowing pipe projected from a grasping operation part and also excellent in strength. SOLUTION: In this endoscope equipped with the fluid flowing pipe projected outwardly from the grasping operation part and having the connection part of a soft tube provided to the leading end thereof, the fluid flowing pipe is equipped with a metal center pipe fixed to the grasping operation part in an insulated state and an insulating envelope pipe comprising an insulating material covering the outer surface of the metal center pipe.
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