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Bag for a circuit of a biological liquid treatment installation

  • US 9,259,687 B2
  • Filed: 05/08/2013
  • Issued: 02/16/2016
  • Est. Priority Date: 06/23/2010
  • Status: Active Grant
First Claim
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1. A device for an installation for biological liquid treatment by tangential filtration, comprising a circuit comprising:

  • a bag provided with a plurality of connectors and a network for conveying liquid between said connectors, said conveying network being formed by a plurality of conduits, the bag further comprising two flexible films fastened to each other, said conduits being formed between said flexible films;

    a press comprising a first shell and a second shell mounted on said first shell, said first shell and second shell cooperating with said bag to form the conduits of said conveying network between said flexible films, by clamping said bag between said first shell and said second shell; and

    a plurality of valves;

    a first conduit extending longitudinally between a flow pump connector emerging on a first side of said bag and a tangential filter connector emerging on a second side of said bag which is an opposite side to said first side;

    a second conduit extending longitudinally from a first side of said conduit between a supply container connector emerging on said first side of said bag, and another tangential filter connector emerging on said second side of said bag which is an opposite side to said first side;

    a third conduit extending from a second side of said conduit, which is an opposite side to said first side of said conduit, starting at a collecting container connector, until it enters said first conduit;

    a fourth conduit extending from the first side of said conduit, starting at a transfer pump connector, until it enters said second conduit; and

    at least a first valve being situated on said first conduit, at least a second valve being situated on said second conduit, a third valve being situated on said third conduit, and a fourth valve being situated on said fourth conduit.

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