PROBLEM TO BE SOLVED: To provide an endoscope apparatus for inspection of gas piping which prevents gas inside piping from flowing out in a large quantity by using an inflated balloon and is capable of smoothly and excellently performing endoscope inspection in piping.SOLUTION: An endoscope apparatus 1 for inspection of gas piping comprises: an insertion part 21 which is flexible and includes a tip part 24 provided with an observation optical part 24a and an illumination part 24b an endoscope 2 including an operation part 22 which is connected to the insertion part 21 a balloon part 11 including a balloon 17 a balloon device 3 including a fluid supply tube 12 which supplies fluid to the balloon 17 and a fluid supply device 13 and a guide coil 4 which guides the insertion part of the endoscope 2, the balloon part 11 and the fluid supply tube 12 to a target area in piping 9. The base end of the insertion part 21 of the endoscope 2 is attachable to and removable from the operation part 22, and the fluid supply tube 12 is attachable to and removable from the fluid supply device 13.COPYRIGHT: (C)2012,JPO&INPIT【課題】膨張したバルーンによって配管内のガスが外部に大量に流出することを防止し、配管内の内視鏡検査をスムーズ且つ良好に行えるガス配管検査用内視鏡装置を提供する。【解決手段】ガス配管検査用内視鏡装置1は、観察光学部24a及び照明部24bを備える先端部24を有する可撓性の挿入部21と、挿入部21に連設する操作部22とを備える内視鏡2と、バルーン17を有するバルーン部11、バルーン17に流体を供給する流体供給チューブ12及び流体供給装置13を備えるバルーン装置3と、内視鏡2の挿入部およびバルーン部11及び流体供給チューブ12を配管9内の目的部位に導く案内用コイル4と、を具備している。内視鏡2の挿入部21の基端部は、操作部22から着脱自在で、且つ、流体供給チューブ12は、流体供給装置13から着脱自在であることを特徴とする。【選択図】図1
