PROBLEM TO BE SOLVED: To provide operation support information for informing to an operator, a physical relationship between an insertion section and an internal surface of an insertion object body.SOLUTION: An insertion device 1 includes: an insertion section 31 that is inserted from an insertion port 21 of an insertion object body 2 to the inside of the insertion object body 2 a distance sensor 4 that is provided on the insertion section 31, has a measurement direction, can measure at least a distance of one point, measures a distance between the insertion section 31 and an internal surface 21 of the insertion object body in the measurement direction, and outputs distance information and an operation support information arithmetic part 51 that computes operation support information relating to the distance information measured by the distance sensor 4.COPYRIGHT: (C)2014,JPO&INPIT【課題】挿入部と被挿入体内表面との位置関係を操作者に知らしめ得る操作支援情報を提供できるようにすること。【解決手段】挿入装置1は、被挿入体2の挿入口21から被挿入体2の内部に挿入する挿入部31と、挿入部31に具備され、測定方向を持っており、少なくとも1点の距離を測定可能で、挿入部31と測定方向の被挿入体内表面21との距離を測定して距離情報を出力する距離センサ4と、距離センサ4が測定した距離情報に係わる操作支援情報を演算する操作支援情報演算部51と、を備える。【選択図】図1
