Frangible, resealable closure for a flexible tube having...

Details Frangible, resealable closure for a flexible tube having... Frangible, resealable closure for a flexible tube having...

A - Human Necessities

61

M

251/15

A61M 5/00 (2006.01) A61J 1/00 (2006.01)

Patent

CA 1087588

FRANGIBLE RESEALABLE CLOSURE FOR A FLEXIBLE TUBE HAVING HOLD OPEN MEANS Inventors: Edward L. Bayham Ronald A. Williams David W. Ammann ABSTRACT OF THE DISCLOSURE Valve means in a flexible tube, for example, tubing for connecting blood bags, are provided, which comprises a tubular portion having a closed end, and an elongated, generally rigid member, carried on the exterior of the closed end and positioned within the flexible tube. Frangible means are provided to permit the opening of the closed end by manual manipulation of the elongated member from outside of the flexible tube. The elongated, rigid member is adapted to fit in sealing relationship within the tubular portion after opening of the closed end, to permit resealing of the valve. The elongated, generally rigid member carries longitudinal veins to provide flow channels along its length. In accordance with this invention, a pair of said veins in opposed relationship extends rearwardly of the end of the central portion of the rigid member, and the flexible tube defines a bore portion position to receive and resiliently hold the proposed veins when the frangible means is broken and the rigid member is separated from the tubular portion. This prevents accidental reclosing of the valve means by the rigid member moving to obstruct the tubular portion.

304011

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