The medical image processing device, presently of the tube intracavitary insertion tube position the presently position specific section 12 which specifies and, presently position or presently the picture memory section the tube cavity sensing station on the basis of with the penetration distance from the standard position regarding 15 which detects the tube cavity centerline from 14 which remembers the data of 3 dimensional picture regarding the suffering inspection body which receives the hand skill which uses the tube intracavitary insertion instrument and 3 dimensional picture regarding the tube cavity of specification and the tube intracavitary insertion instrument and the tube cavity centerline which is detected from position the data of the section picture regarding the section which passes by the penetration predetermined position of the front 3 dimensionsThe section picture occurrence section 16 which occurs from the data of the picture and, it possesses with the indicatory department 36 which indicates the data of the section picture which occurs.医用画像処理装置は、管腔内挿入器具を用いた手技を受ける被検体に関する3次元画像のデータを記憶する画像記憶部14と、3次元画像から特定の管腔に関する管腔中心線を検出する管腔検出部15と、管腔内挿入器具に関する基準位置からの進入距離と検出された管腔中心線とに基づいて管腔内挿入管の現在位置を特定する現在位置特定部12と、現在位置又は現在位置より前方の進入予定位置を通る断面に関する断面画像のデータを3次元画像のデータから発生する断面画像発生部16と、発生された断面画像のデータを表示する表示部36とを具備する。
