PROBLEM TO BE SOLVED: To provide a treatment process estimation device capable of providing information for facilitating confirmation and editing of images related to treatment actions without requiring any special equipment or standard treatment program.SOLUTION: A process estimation device 15 for estimating a treatment process on the basis of a treatment process chart which contains videos, sounds, equipment signals, and written details of treatment actions, includes: a determinable treatment step determination part 151 configured to determine a treatment process which can be deterministically estimated; a feature extraction auxiliary information acquisition part 152 configured to acquire a piece of supplementary information on the basis of the treatment process; a feature information extraction part 153 configured to extract a piece of feature information using the supplementary information; and a treatment process estimation section 154 configured to estimate a treatment process on the basis of the feature information.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2019,JPO&INPIT【課題】特別な器具や標準的治療プログラムによらず、治療行為に関する映像の確認や編集を容易にする情報を提供することを課題とする。【解決手段】映像、音声、機器信号、および、治療行為の詳細が書かれた治療工程表から治療工程を推定する工程推定部15を、確定的に推定できる治療工程を決定する確定可能治療工程決定部151と、上記治療工程に基づき補助情報を取得する特徴抽出補助情報取得部152と、上記補助情報を利用し特徴情報を抽出する特徴情報抽出部153と、特徴情報に基づき治療工程を推定する治療工程推定部154とから構成する。【選択図】図1