Continuously sealing one way valve assembly and fluid...

F - Mech Eng,Light,Heat,Weapons – 16 – K

Patent

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F16K 15/14 (2006.01) A61M 39/24 (2006.01) B65D 5/72 (2006.01)

Patent

CA 2628437

A reusable continuously sealing one-way valve assembly and delivery system flows a sterile flowable substance from a source to an outlet orifice and prevents any backflow of contaminants through the continuously sealing one way valve assembly when the flowable substance ceases to flow. The valve assembly includes an elastomeric membrane which aids in preventing any backflow of contaminants when dispensing of the flowable substance is stopped. Multiple dosing of preservative-free flowable substance is provided.

L'invention concerne un ensemble à soupape unidirectionnelle à étanchéité en continu et réutilisable et un système de distribution, permettant l'écoulement d'une substance fluide stérile, à partir d'une source, vers un orifice de sortie et empêchant tout retour de produits contaminants dans ledit ensemble à soupape unidirectionnelle à étanchéité en continu, lorsque la substance fluide cesse de s'écouler. L'ensemble à soupape comprend une membrane élastomère qui contribue à empêcher tout retour de produits contaminants lorsqu'on arrête la distribution de substance fluide. Il est prévu d'utiliser des doses multiples de substance fluide dépourvue d'agent conservateur.

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