PROBLEM TO BE SOLVED: To provide an operation support device and an operation support method which confirm an operation situation by using three-dimensional data acquired with an internal structure included for an operation spot and support safe operation which does not fall into a cautionary state.SOLUTION: An operation support device is configured to detect a three-dimensional position of a cutting drill 71 cutting an embedding position P, generate a CT imaging cross-sectional image Ci on the basis of three-dimensional information acquired with a mandible Mb included for the embedding position P, and set a cautionary state T in the CT imaging cross-sectional image Ci, overlappedly displays the detected positional information of the cutting drill 71 on the CT imaging cross-sectional image Ci, and includes a notification part 16 which performs notification in accordance with detection of transition to the cautionary state T of the cutting drill 71 by a position detection part 80.COPYRIGHT: (C)2015,JPO&INPIT【課題】本発明は、施術箇所に関して、内部構造も含んで取得した取得三次元データを用いて、施術状況を確認するとともに、要注意状態に陥ることのない安全な施術を支援する施術支援装置、及び施術支援方法を提供することを目的とする。【解決手段】埋設箇所Pに切削する切削ドリル71の三次元位置を検出するとともに、埋設箇所Pに関して、下顎骨Mbも含んで取得した三次元情報に基づいてCT撮影断面画像Ciを生成し、CT撮影断面画像Ciにおいて要注意状態Tを設定可能に構成し、検出された切削ドリル71の位置情報を、CT撮影断面画像Ciに重畳表示するとともに、位置検出部80による切削ドリル71の要注意状態Tへの移行の検出に伴って、報知する報知部16を備えた。【選択図】図11
