Bicarbonate-containing medical solution packaging and ph...

A - Human Necessities – 61 – J

Patent

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A61J 1/00 (2006.01) B65D 79/02 (2006.01) B65D 81/20 (2006.01) A61J 1/16 (2006.01)

Patent

CA 2258535

A package for a container of liquid medicine in which a gas permeable plastic container having sealed therein liquid medicine containing bicarbonate is packaged by a gas impermeable plastic packaging material, wherein a space between the plastic container and the plastic packaging material is made to be a carbonic acid gas atmosphere, wherein a pH indicator is disposed in the space in which liquid containing bicarbonate and a pH indicator adapted to change its color in accordance with change in pH of the liquid are sealed in a gas permeable plastic small container. According to the package, it is possible to easily conduct a visual confirmation of the pH change in the liquid caused by long-time preservation or troubles generation of pin holes in a secondary packaging material and deterioration of the liquid attributed to the pH change.

La présente invention concerne un emballage destiné à un récipient à médicament liquide. En l'occurrence, un récipient en plastique perméable au gaz qui renferme hermétiquement un médicament liquide contenant du bicarbonate est emballé au moyen d'un matériau d'emballage en plastique imperméable au gaz. Un volume ménagé entre le récipient en plastique et le matériau d'emballage en plastique renferme une atmosphère gazeuse d'acide carbonique. Un indicateur de pH est placé dans le volume renfermant le liquide contenant du bicarbonate. Cet indicateur de pH conçu pour changer de couleur en fonction des variations de pH du liquide est hermétiquement scellé dans un petit récipient plastique perméable au gaz. Grâce à cet emballage, il est facile de vérifier de visu toute variation du pH du liquide imputable à une conservation prolongée ou à la survenue d'incidents sous forme de trous d'épingles dans l'emballage secondaire, et de vérifier la détérioration du liquide imputable à la modification du pH.

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