To provide an endoscope device which is good in operability, is easy in washing work after use and is low in a production cost.
A sheath fixing section 24 comprises a flexible section 28 which is formed of a flexible material having elasticity to an approximately pipe shape, a rigid section 29 which is formed of a rigid material to an approximately pipe shape and operation bodies 25a and 15b which are formed by arranging metallic members integrally disposed at two points at the flexible section 28. The inner peripheral surface on the front side of the flexible section 28 is provided with a valve section 30 constituting a valve mechanism which comes into tight contact with the outside surface in the operation section of the endoscope 10 and assures the water-tightness with the outside surface of the operation section. The base end of the flexible section 28 is provided with a recessed part 31 for forming a passage. Further, the inner peripheral surface of at the base end of the flexible section 28 is provided with a sealing part 32 of a projecting shape engaged and arranged in a groove part 2c formed to a circumferential shape on the outside surface of the operation section aver the entire periphery thereof.
FUTAKI YASUYUKI
YOSHIMOTO YOUSUKE
SAITO HIDETOSHI
