It is installed by the opening section of the aforementioned container itself section which flows out the liquid restoration to the container itself section of the container for the nutrition medicine, the cap 13 which the connector can be jointed, the thin film 16 which closes airtight container itself circles the installation and others re te time, as for the cap, cap itself section the channel being open to traffic component the joint containment structure which is made containment possible and, it includes the engagement of 19 where is installed in the tubular section 21a of 22 and the cap itself section and the connector to opening section 12. The channel being open to traffic component, it pierces the thin film and tears and in the puncturing part it is unified by communication section 19a and the communication section 19a which and include the channel which can flow out the liquid restoration 194 which is made possible and the container itself section to outside the container for the nutrition medicine it includes with the tubed part 19b which is laid out around the communication section. The channel being open to traffic component can take with 1st installation state and 2nd installation state vis-a-vis the aforementioned tubular section.栄養剤用容器の容器本体部に充填された液状物を流出させる前記容器本体部の口部に装着され、コネクタが接続されうるキャップ13であって、口部12には、容器本体部内を密閉する薄膜16が取り付けられており、キャップは、キャップ本体部22と、キャップ本体部の管状部21aに装着された流路開通部材19と、コネクタとの接続状態を保持可能とする接続保持構造と、を含む。流路開通部材は、薄膜を突き破り可能とする穿刺部194と容器本体部に充填された液状物を栄養剤用容器外へ流出させ得る流路とを含む連通部19aと、連通部19aに一体化され連通部の周囲に配置された筒状部19bとを含む。流路開通部材は、前記管状部に対して第1装着状態と第2装着状態とを取りえる。
