PROBLEM TO BE SOLVED: To perform surely communication between a liquid medicine administration device and a controller.SOLUTION: In a liquid medicine administration device 2 controlled by a controller 3, and having a liquid medicine administration part, a communication part for performing communication with the controller, and a control part for controlling communication with the liquid medicine administration part, communication is not performed so as to set the communication in the off-state to a processing unit such as CPU of the liquid medicine administration device, during administration of the liquid medicine having a high processing load.COPYRIGHT: (C)2016,JPO&INPIT【課題】薬液投与装置とコントローラーの間の通信を確実に行う。【解決手段】コントローラー3により制御される薬液投与装置2であって、薬液投与部と、前記コントローラーと通信を行う通信部と、前記薬液投与部との通信を制御する制御部と、を有し、薬液投与装置のCPU等の演算装置に対して、処理負荷が高い薬液投与中には、通信を行わず、通信をオフにする。【選択図】図1
