PROBLEM TO BE SOLVED: To provide a progress notification device allowing the accurate and real-time recognition of the progress of an operation outside an operating room without needing manpower, and accordingly allowing the smooth performance of a related task or the like after the operation.SOLUTION: The operation progress notification device includes: a processing unit 50 for detecting one of the start and the end of the count of operating gauze and a display 61 or the like for notifying the outside of the operating room OP in which the operation is performed of the progress of the operation corresponding to the one of the start and the end.COPYRIGHT: (C)2013,JPO&INPIT【課題】手術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、結果的に当該手術後の関連業務等を円滑に行うことが可能となる進捗告知装置を提供する。【解決手段】手術用のガーゼの計数の開始又は終了のいずれか一方を検出する処理部50と、当該開始又は終了のいずれか一方に対応する手術の進捗を手術が行われている手術室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