< Topic >Detecting the pressure itself which presses the region should stop bleeding, in regard to the pressure which presses the region which should stop bleeding it offers the stopping bleeding instrument which can prevent the fact that the dispersion occurs with the specialist.SolutionsStopping bleeding instrument 1, band body is installed in the Hook-and-Loop fastener 3 (fixed component) which is locked in a state where 2 in order to wind around the region 510 where arms and legs 500 should stop bleeding and the band body is wound around the arms and legs and the band body the balloon 5 which is expanded by filling the fluid and, pressure sensor 110 in order to detect the pressure which presses the region where the balloon which is expanded should stop bleeding and, has possessed.< Selective figure >Figure 3【課題】止血すべき部位を圧迫する圧力そのものを検出して、止血すべき部位を圧迫する圧力に関して術者によってバラツキが生じることを防止し得る止血器具を提供する。【解決手段】止血器具1は、肢体500の止血すべき部位510に巻き付けるための帯体2と、帯体を肢体に巻き付けた状態に固定する面ファスナー3(固定部材)と、帯体に取り付けられ流体を注入することによって拡張するバルーン5と、拡張されたバルーンが止血すべき部位を圧迫する圧力を検出するための圧力センサ110と、を有している。【選択図】図3