Blood collection tube assembly

Details Blood collection tube assembly Blood collection tube assembly

1990-07-19

1994-03-29

Rosenbaum, C. Fred

Surgery

Truss

Pad

604403, 604415, 215 31, 215 33, 215355, 215DIG3, A61B 500

Patent

active

052975614

ABSTRACT:
An air-evacuated blood collection tube assembly comprising an air-evacuated tubular container having an open end and a closed end, and a cannula-penetrable self-sealing gas-proof closure in sealing engagement with the open end of the container so as to maintain the vacuum inside the container. The closure has an end interior of the container and an end exterior of the container. The end interior has a first notch formed adjacent to the container wall. The end exterior includes a first notch that is aligned with the notch on the end interior of the container. The tubular container is formed of a polyethylene terephthalate material. The open end of the tubular container is flared outwardly. A hump extends inwardly of the inner diameter of the tubular container. The closure has an indented ring that is formed so as to receive this hump during engagement with the tubular container.

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Becton Dickinson, "Vacutainer Brand PST Tube for Plasma Separation", 1986.
Doctors Office Product Review, "Plastic Encased Tubes", date unknown.

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