PROBLEM TO BE SOLVED: To provide a medical imaging system capable of stably and easily connecting, using radiocommunication, an injection device in an imaging room and an operation device for operating the injection device, outside the imaging room.SOLUTION: The medical imaging system includes: an injection device disposed in an imaging room in which a medical imaging device is disposed and injecting a medical solution; a control device for controlling the injection device; an operation device including a first radio transceiver unit for transmitting an operation signal for operating the injection device, to the control device and disposed outside the imaging room; and a relay unit receiving the operation signal transmitted by the first radio transceiver unit and transmitting it to the control device.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】撮影室内の注入装置と、当該注入装置を操作する撮影室外の操作装置とを、無線通信を利用して安定的且つ容易に接続できる医療用撮影システムを提供する。【解決手段】医療用撮影システムは、医療用撮影装置が配置される撮影室内に配置され、薬液を注入する注入装置と、前記注入装置を制御する制御装置と、前記注入装置を動作させる操作信号を前記制御装置に送信するための第1の無線送受信ユニットを有し、前記撮影室外に配置される操作装置と、前記第1の無線送受信ユニットにより送信された前記操作信号を受信し、前記制御装置に送信する中継ユニットとを備える。【選択図】図1