In order to contact the portion of the patient, the expansion possible element which is formed As it is installed in the said element, in order to deliver the fluid to the said element, the fluid connector which is formed In order to control the flow in the compressed medical device, the control system which is formed In order to measure the pressure which is added to the portion of the said patient by the said element, the 1st element pressure sensor which is formed As and detected the malfunction of the said 1st element pressure sensor, the compressed medical device which has the detection expedient which is formed is disclosed.患者の一部に接触するように構成された膨張可能な要素;該要素に取り付けられると共に該要素に流体を送達するように構成された流体コネクター;加圧医療デバイスにおける流量を制御するように構成された制御システム;該要素によって該患者の一部に加えられる圧力を測定するように構成された第1要素圧力センサー;及び該第1要素圧力センサーの誤動作を検出するように構成された検出手段を備えた加圧医療デバイスが開示される。