Biological sample collection tube

Details Biological sample collection tube Biological sample collection tube

B - Operations, Transporting

65

D

150/11, 217/38,

B65D 81/18 (2006.01) B65D 39/04 (2006.01) B65D 53/06 (2006.01)

Patent

CA 2007620

BIOLOGICAL SAMPLE COLLECTION TUBE ABSTRACT: A biological sample collection tube suitable for use in collecting and processing blood samples, is of high strength, transparent plastic. The tube wall is substantially gas impermeable, permitting the retention of samples therein, under conditions of vacuum, for prolonged periods. The selec- ted material is combustible in air, yielding products of com- bustion that are substantially non-toxic, to facilitate the safe disposal of the tubes, together with the enclosed samp- les. The tube is made of the commodity resins polyethylene, polystyrene or polypropylene, such as amorphous nylon or poly- ethyenenapthalate. A tube sealing coating of polyvinyl- dichloride is preferred, applied to the inner or the outer tube surface. The tube is compatible with a wide range of inner wall coating substances, to facilitate the processing of blood samples. A sealing cap for use with the improved tube has a tapered body body of thermoplastic elastomer, one embod- iment of which incorporates a safety overcap to limit the for- mation of an aerosol when the tube is opened.

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