PROBLEM TO BE SOLVED: To provide a manufacturing method of a medical container filled with medical liquid in which an amount of air that the medical container holds can be made almost uniform, the coinjection of a predetermined amount of another medicine is possible, and an amount of residual liquid after the administration is small.SOLUTION: A manufacturing method of a medical container includes: a step for preparing a container body a step for filling the container body with medical liquid in a state that the upper opening is directed upward a temporary opening blocking step for temporarily blocking the opening of the container body filled with medical liquid an inner pressure application step for further pressing the container body while maintaining the temporary opening blocking state, and applying inner pressure to the upper part inside the container body an opening release step for releasing the temporary opening blocking state and a discharge port mounting step for mounting a medical liquid discharge port on the opening.SELECTED DRAWING: Figure 13COPYRIGHT: (C)2016,JPO&INPIT【課題】医療用容器が保有する空気量をほぼ均一なものとすることができ、他の薬剤の所定量の混注が可能であり、投与後の残液も少ない医療用液体充填済み医療用容器の製造方法を提供する。【解決手段】医療用容器の製造方法では、容器本体を準備する工程と、上部開口部が上方となる状態にて容器本体に医療用液体を充填する工程と、医療用液体が充填された容器本体の開口部を仮閉塞する開口部仮閉塞工程と、開口部の仮閉塞を維持し、容器本体をさらに押圧し、容器本体の内部上部に内圧を付与する内圧付与工程と、開口部の仮閉塞を解除する開口部開放工程と、開口部に医療用液体排出ポートを装着する排出ポート装着工程とを行うものである。【選択図】図13
