PROBLEM TO BE SOLVED: To prevent the occurrence of interference between a medical instrument and an adjacent organ in a body cavity.SOLUTION: Provided is a surgery system 100, which comprises: a medical instrument 1 insertable into a body cavity organ measurement means 7 for measuring the three-dimensional position of an organ D in the body cavity a noninterference region setting unit 10 which sets a noninterference region in the body cavity space excluding the organ D, on the basis of the three-dimensional position of the organ D medical instrument detection means 8 for detecting the three-dimensional position of the medical instrument 1 in the body cavity a medical instrument occupying region calculation unit 11 for calculating the region occupied by the medical instrument 1 in the body cavity, on the basis of the three-dimensional position of the medical instrument 1 an interference prediction unit 12 which predicts interference between the medical instrument 1 and the organ D on the basis of the positional relation between the noninterference region and the region occupied by the medical instrument 1 and an alert unit 13 for alerting an operator when the interference between the medical instrument 1 and the organ D is predicted by the interference prediction unit 12.COPYRIGHT: (C)2015,JPO&INPIT【課題】体腔内における医療器具の周辺臓器との干渉の発生を確実に未然に防ぐ。【解決手段】生体の体腔内に挿入可能な医療器具1と、体腔内の臓器Dの3次元位置を測定する臓器測定手段7と、臓器Dの3次元位置に基づいて体腔内の空間のうち臓器Dを除く非干渉領域を設定する非干渉領域設定部10と、体腔内における医療器具1の3次元位置を検出する医療器具検出手段8と、医療器具1の3次元位置に基づいて医療器具1が体腔内において占有している医療器具占有領域を計算する医療器具占有領域計算部11と、非干渉領域と医療器具占有領域との位置関係に基づいて、医療器具1と臓器Dとの干渉を予測する干渉予測部12と、該干渉予測部12によって医療器具1と臓器Dとの干渉が予測されたときに、操作者に対して注意喚起を行う注意喚起部13とを備える手術システム100を提供する。【選択図】図1
