Disposable storage, transport and resuspension system

A - Human Necessities – 61 – J

Patent

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Details

A61J 3/00 (2006.01) B01F 5/04 (2006.01) B01F 5/10 (2006.01)

Patent

CA 2256621

The present invention relates to a package for storing, mixing, resuspending, and dispensing sterile or non-sterile solutions or suspensions. The invention comprises a collapsible, sterilizable bag (1) having fittings for tubes (13, 15) which provide for the introduction and exit of fluids and solids into and out of the bag (1). A mixing block (60) having spray arms (66) is also provided within the bag (1) for mixing and resuspending the contents within the collapsible bag (1). Dip tubes (10, 11) are provided to withdraw liquid from the bag and is recirculated through a return tube (12) which is connected to the mixing block (60). The recirculated liquid is channeled to spray arms (66) and is reintroduced into the bag (1) through ports (64, 69) thereby providing a closed loop system for mixing. Additionally, a structural support device (2) is provided for supporting the collapsible bag during shipment, filling, and dispensing. Unlike conventional stainless steeel equipment, the system is disposable, does not require cleaning, provides for safe, rapid and accurate resuspension of suspended solids, and can accommodate a wide range of liquid volumes.

L'invention concerne un récipient de stockage, de mélange, de remise en suspension et de distribution pour solutions ou suspensions stériles ou non stériles. Le dispositif comprend un sac pliable et stérilisable (1) doté d'armatures pour tubes (13, 15) servant à remplir et à vider le sac (1) en fluides et solides. Un bloc mélangeur (60) muni de bras gicleurs (66) est prévu dans le sac (1) pour le mélange et la remise en suspension du contenu de ce sac (1). Le dispositif comporte des tubes plongeurs (10, 11) qui extraient le liquide du sac (1) et le remettent en circulation par un tube de retour (12) relié aux blocs mélangeurs (60). Le liquide, ainsi acheminé vers les bras gicleurs (66), est réinjecté dans le sac (1) par des orifices (64, 69), d'où l'établissement d'un système à boucle fermée pour le mélange. En outre, une structure de support (2) soutient le sac (1) durant les opérations de transport, de remplissage et de distribution. Contrairement au matériel classique en acier inoxidable, le dispositif est jetable, ce qui offre les avantages suivants: absence de nettoyage, remise en suspension fiable, rapide et précise des solides en suspension, et capacité de traitement d'un large éventail de volumes liquides.

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