Ea Pharma Co., Ltd.

Naoki Morinaka

Shota Mochizuki

The present invention relates to a standing bag type container and aims to increase a visibility of the residual liquid volume in accordance with the progress of infusion process. The standing bag type container includes a bagmade of soft resin films and forming at its one end a base memberand an outlet portat the other end of the bag. A suspension of the bagis done in a manner that the base memberis located at the top. Marks for indication of residual liquid volume are printed on the surface of the bag. An infusion liquid is charged to the bag while an air gap' is left, so that a residual liquid volume is verified from the liquid level. Under the suspended condition, the base memberhas a value of width which is unchanged from the when the bag is under upright condition. The base memberis not collapsed and maintains its width even when the residual liquid volume is zero. A portion of the bag of a predetermined height from the top edge of the bag including the base membermaintains its shape without being collapsed by a discharge of the liquid.

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Shizuoka, Japan

Naoki Morinaka