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IV fluid warmer

  • US 4,735,609 A
  • Filed: 07/24/1986
  • Issued: 04/05/1988
  • Est. Priority Date: 07/24/1986
  • Status: Expired due to Fees
First Claim
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1. A disposable pouch for use in heating a flowing volume of fluid which comprises:

  • an inlet;

    an outlet;

    a top portion;

    a bottom portion which together with said top portion forms an enclosed space having a first side and a second side;

    a plurality of unevenly spaced ribs extending between said top portion and said bottom portion, each said rib having a first end and a second end, said first ends being spaced from the first side of said enclosed space to form an entrance manifold area and the second ends all being spaced from the second side of said enclosed space to form an exit manifold area, the distance between adjacent pairs of first ends of said rib increasing from said inlet end to said outlet end so as to obtain even flow throughout said space, the space between said ribs together with said manifold area forming a flow path between said inlet and said outlet; and

    a one way valve in said flow path.

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