Abstract: The invention relates to a packaging in the form of an infusion bag, having a connector for a vial, said connector having a spike for piercing the septum of the vial to establish a fluid connection to the inner volume of the infusion bag. The spike is designed to be rotatable. When the vial is rotated, the spike is rotated and the fluid connection between the vial and the inner volume of the infusion bag is opened.

Abstract: The invention relates to a medical package designed as an infusion bag, which medical package is made from multi-layer films that are welded to one another and is filled with a medical liquid for infusion and/or for parenteral nutrition. The invention is described by a medical package designed as an infusion bag, which is made up of a film comprising multiple layers welded to one another and has at least one weld seam, preferably longitudinal and transverse weld seams, and is filled with a medical liquid. The multi-layer film has at least one inner layer of a matrix-phase polymer system, an intermediate layer of a matrix-phase polymer system, and an outer layer of a matrix-phase polymer system.