Otsuka Pharmaceutical Factory, Inc.

Katsuyoshi Nagao

Keiichi Kawakami

Toshiharu Yokoyama

Fujio Inoue

Masamitsu Izumi

Hideshi Okamoto

A drug solution filling plastic ampoule having gas, steam and light ray barrier properties, a drug permeation preventing capability and an absorption/adsorption preventing capability, and a production method for the plastic ampoule. The drug solution filling plastic ampoule includes a container body, a fusion-bonded portion which seals a mouth of the container body, and a wrench-off holder tab connected to the fusion-bonded portion. The ampoule is formed from a parison including two or more layers, at least one of which is a functional layer having at least one characteristic property selected from the group consisting of a gas permeation preventing capability, a steam permeation preventing capability, a light ray permeation preventing capability, a drug permeation preventing capability and a drug absorption/adsorption preventing capability.

Drug solution filling plastic ampoule and process for producing the same

A multiple-chamber medical containercomprises a container bodyhaving two chambersfor containing medicaments therein and a partitioning weak seal portionfor separating the chambersfrom each other, a medicinal outlet portionattached to the container bodyfor discharging the medicaments from the chambers therethrough, and an openable small containerdisposed in the first chamberand having a medicament enclosed therein, the partitioning seal portionbeing openable so as to cause the chambersto communicate with each other for use. The small containercan be opened by opening the partitioning weak seal portion

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Tokushima, Japan

Katsuyoshi Nagao