Collection assembly

Details Collection assembly Collection assembly

A - Human Necessities

61

J

A61J 1/05 (2006.01) B01L 3/14 (2006.01) B65D 25/00 (2006.01) B65D 81/24 (2006.01) B65D 85/00 (2006.01)

Patent

CA 2393314

The present invention is a container assembly that includes an inner tube formed from a plastic that is substantially inert to bodily fluids and an outer tube that is formed from a different plastic. Collectively, the container assembly is useful for providing an effective barrier against gas and water permeability in the assembly and for extending the shelf-life of the container assembly, especially when used for blood collection. The outer surface of the inner tube and/or the inner surface of the outer tube are provided with a matte finish that forms an array of peaks and valleys. The valleys form circuitous paths that accommodate a flow of air to facilitate insertion of the inner tube into the outer tube. The circuitous paths also allow air to vent during processing to low pressure.

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