| 摘要 |
PROBLEM TO BE SOLVED: To provide an endoscope apparatus 1 permitting easy insertion of an insertion part 20 into a subject 5. SOLUTION: The endoscope apparatus has a vibration part 51 to vibrate the insertion part 20 with a fluid. Specifically, the endoscope apparatus preferably uses the vibration part 51 to generate vibration with the movement of a weight 51A, the vibration part to generate vibration with the deformation of a flexible body, the vibration part utilizing the pressure pulsation phenomenon caused by the piping shape of the conduit for the fluid, or the vibration part disposed in the outer periphery of the insertion part 20 to disturb the flow of the fluid. COPYRIGHT: (C)2010,JPO&INPIT
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