| 摘要 |
PURPOSE: To provide an endoscope with good insertability and capable of reducing pain of a patient, by enabling the insulation of a nozzle and reducing its tip diameter. CONSTITUTION: By forming a tip part main body 1 with metal, covering an external exposed surface thereof with an electrically insulated cover 2, and inserting a metal made nozzle 31 into a through hole 3 for a nozzle on the insulation cover 2 which is provided to the operation part side more than the operation part side end of the nozzle 31, the nozzle 31 is set to be insulated from the tip part main body by the insulation cover 2. |
