Gas exchange

Details Gas exchange Gas exchange

A - Human Necessities

61

M

A61M 1/16 (2006.01)

Patent

CA 2430304

A method and apparatus (20) for maintaining a gas in a predetermined pressure range during a gas exchange process. The apparatus (20) includes a first conduit (21) having a gaspermeable membrane wall portion (25), atleast one inlet port (26) for introdusing a first gas into the apparatus, and a reservoir (28) arranged to contain the first gas. The method and apparatus are particularly suitable for oxigenating an extracorporeal flow of blood.

La présente invention concerne un procédé et un dispositif (20) servant à maintenir un gaz dans une gamme de pression prédéterminée durant un processus d'échange gazeux. Le dispositif (20) comprend un premier conduit (21) présentant une partie de paroi à membrane perméable aux gaz (25), au moins un orifice d'entrée (26) servant à introduire un premier gaz dans le dispositif, et un réservoir (28) conçu pour contenir le premier gaz. Le procédé et le dispositif conviennent particulièrement à l'oxygénation d'un flux de sang extracorporel.

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