Co-extruded tubing

F - Mech Eng,Light,Heat,Weapons – 16 – L

Patent

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Details

F16L 9/14 (2006.01) A61M 39/08 (2006.01) B32B 1/08 (2006.01) B32B 27/28 (2006.01) F16L 11/00 (2006.01) F16L 11/04 (2006.01)

Patent

CA 2474629

A co-extruded tubing for the administration of intravenous fluids has an outer layer (1) of a polyester. An inner fluid-contact layer (3) may be of a polyethylene or of an thermoplastic polyurethane. Where the inner fluid- contact layer is of polyethylene, an intermediate tie layer (2) of ethylene- vinyl acetate copolymer may be included to prevent delamination.

Tubage coextrudé destiné à l'administration de liquides intraveineux et comportant une couche externe (1) d'un polyester. Une couche interne (3) en contact avec les liquides peut être en polyéthylène ou en polyuréthanne thermoplastique. A l'endroit où la couche interne en contact avec les liquides est en polyéthylène, une couche de liaison intermédiaire (2) d'un copolymère éthylène - vinyle acétate peut être incluse pour empêcher le délaminage.

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