A - Human Necessities – 61 – J
Patent
A - Human Necessities
61
J
A61J 1/14 (2006.01) B01L 3/14 (2006.01) B65D 51/00 (2006.01)
Patent
CA 2121564
ABSTRACT OF THE DISCLOSURE A combination stopper and shield closure for sealing the open end of an evacuated body fluid collection tube to retain the vacuum therein. The stopper and shield are made by co-injection molding with the stopper being retained within a central aperture in the shield by means of an upper and lower flange or a plurality of plugs extending from the stopper into the shield. The upper flange has a convex surface for directing residue body fluid away from the center of the flange to reduce contamination, a gas-barrier to increase the vacuum seal and prevent contamination, cam followers in the base of the shield to interact with cams on the surface of the tube to facilitate closure twist-off, and flexible tabs around the base of the shield to prevent the tube/closure assembly from being pushed out of a needle holder during body fluid collection.
Becton Dickinson And Company
Gowling Lafleur Henderson Llp
LandOfFree
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