PROBLEM TO BE SOLVED: To provide a notification device which allows users to correctly recognize the progress of various kinds of work between surgeries at real time in the outside of the operation room without requiring manpower so as to smoothly organize their tasks required after a surgery and before a next surgery.SOLUTION: The notification device includes a no-shadow operation lamp 25 for detecting that a surgery is over in the operation room OP as well as a state of the inside of the operation room OP after the surgery, a entrance/exit camera 29, ceiling cameras 30, a display 61 for notifying the finish of the surgery and the state of the inside of the operation room OP detected of the outside of the operation room OP, and the like.COPYRIGHT: (C)2012,JPO&INPIT【課題】手術間の諸作業の進捗を手術室外において人手を要することなく正確且つリアルタイムに認識し得ることで、手術後及び次の手術の手術前の関連業務等を円滑に行うことが可能となる告知装置を提供する。【解決手段】手術室OPにおける手術が終了したこと、及び当該手術後における手術室OP内の状態を検出する無影灯カメラ25、出入り口カメラ29及び天井カメラ30と、検出された手術の終了及び手術室OPの状態を手術室OP外に告知するディスプレイ61等と、を備える。【選択図】図1