PROBLEM TO BE SOLVED: To provide a chemical solution administration device capable of preventing the component of a chemical solution from being deposited into a distribution part serving as a liquid sending pipe due to removal of the distribution part from a puncture part serving as a cannula.SOLUTION: An insulin administration device 100 according to this invention comprises a first control unit 134 which controls a drive mechanism 131 to operate so as to keep a liquid sending pipe 142 moist when separation of the liquid sending pipe 142 from a cannula 113 is detected.SELECTED DRAWING: Figure 9COPYRIGHT: (C)2018,JPO&INPIT【課題】カニューレにあたる穿刺部から送液管にあたる流通部を取り外すことなどによって流通部内に薬液の成分が析出することを防止できる薬液投与装置を提供する。【解決手段】本発明に係るインスリン投与装置100は、送液管142がカニューレ113から分離したことを検出した際に送液管142が湿潤するした状態を保つように第1制御部134が駆動機構131を動作させる。【選択図】図9
