| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to use an endoscope to which a mechanical valve is applied usable as an endoscope adopting a solenoid valve unit and to embody both fluid control systems with one endoscope. SOLUTION: For example, a mechanical suction operation body 28 of the endoscope for controlling the opening and closing of various kinds of pipelines is freely attachably and detachably mounted at a receiving part 30 disposed at a case body 44 of an operation part 10B. The receiving part 30 is provided with an electric operation body 29 so as to be made attachable and detachable to and from the part. The electric operation body 29 is constituted to assure the flow of the fluid in the pipelines and has an electric switch 38. Electrodes 41 (A and B) of the switch 38 are connected via juncture 42 to a signal line 34. The signal wire 43 is connected to the solenoid valve unit. The same holds true of the case of air feeding/water feeding. As a result, the fluid control using the solenoid valve unit in place of the mechanical valve may be executed.
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