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US 2007/0119511 A1Published application
Co-extruded tubing
AssigneeNatvar Holdings, Inc.
InventorsRobert Donohue, George Coggins, Perry Benson
Life of this patent
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Abstract
A co-extruded tubing for the administration of intravenous fluids has an outer layer of a polyester. An inner fluid-contact layer may be of a polyethylene or of a thermoplastic polyurethane. Where the inner fluid-contact layer is of polyethylene, an intermediate tie layer of ethylene-vinyl acetate copolymer may be included to prevent delamination.
Claims15
A co-extruded tubing for the transfer of fluids, said tubing having at least two layers comprising:
- an outer layer, said outer layer being of a polyester;
- and
- an inner fluid-contacting layer.
Dependencies are inferred from the claim text.