B. Braun Melsungen Ag

Raoul Chattot

Maurice Loretti

Savka Djokic

Sarah Djokic

Maurice Emile Loretti

The present invention relates to a sterilizable multilayer film for containers containing solutions, suspensions, solids or mixtures for parenteral or enteral nutrition or tube feeding, optionally in a spatially separated arrangement of the contents, having a three-layered structure with an inner layer being in contact with the content of the container, an intermediate layer and an outer layer facing the environment, said layers optionally connected by tie and/or adhesive layers, wherein the oxygen transmission rate at 23&#xb0; C. through the multilayer film determined by the oxygen transmission of the intermediate layer is less than 0.7 ml/md, said inner layer having a thickness of from 30 to 120 &#x3bc;m, said intermediate layer having a thickness of from 5 to 35 &#x3bc;m and said outer layer having a thickness of from 20 to 40 &#x3bc;m, and allowing desorption of water absorbed in the intermediate layer during sterilization after said sterilization at 121&#xb0; C.

Multilayer film

The present invention relates to an impermeable flexible multicompartment bag for medical use for sterile solutions, and to a method for the preparation of such bags. Impermeable flexible multicompartment bags for medical use for sterile solutions for perfusions, consisting of two welded sheets of a composite material wherein the sheets forming the inner wall of the bag consist of a polypropylene and are bonded to an outer layer of a thermoplastic polymer by means of a polyolefin layer, characterized in that the sheets facing the contents of the bags which are made of a homophase copolymer of propylene are immediately welded in the intercompartment region and in the peripheral region such that the weld forming the intercompartment region can be ruptured with a force in the range of from 10 to 30 N while the weld in the peripheral region cannot be ruptured.

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Echallens, Switzerland

Raoul Chattot