| 摘要 |
PROBLEM TO BE SOLVED: To provide an endoscope system whose insertion part can easily be inserted regardless of the inside diameter of a through-hole formed in a test object, while satisfactorily maintaining a forward field of view. SOLUTION: The endoscope system 1 used by its being inserted in the test object A1 with a through-hole A2 formed therein includes: an endoscope with a flexible and long insertion part 2; a cylindrical tube body 4 that can be inserted into the through-hole, receives the insertion part therein, and is connected to the insertion part at the base end; a fluid supply section that can supply a fluid F; a first sealing section 6A that is substantially cylindrical, wherein the first sealing section has: a first connecting part 61A provided at one end and air-tightly attached to one opening A3 of the through-hole; a first insertion part 63A provided at the other end and having a first air-tight opening 62A through which the tube body is moved forward or backward while keeping it airtight; and a first fluid supply hole 66A communicating with the fluid supply part at the first end and open at the second end on the lumen side between the first connecting part and the first insertion part. COPYRIGHT: (C)2010,JPO&INPIT
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