Disposable fluid infusion pumping chamber cassette having a...

A - Human Necessities – 61 – M

Patent

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Details

A61M 5/142 (2006.01) F04B 43/00 (2006.01) F04B 43/02 (2006.01) A61M 39/28 (2006.01)

Patent

CA 2190098

A simple disposable infusion pumping cassette is provided for use with a drug infusion pump. The cassette includes internal means for mounting an elastomeric member (16) between a face member (12) and a base member (14) and in fluid-tight engagement within the cassette. The cassette includes a pumping chamber (22) and a proximal (56) and a distal pressure monitoring chamber (57) adjacent thereto. A flow stop (24) mounted on the cassette is operative to prevent fluid flow through the cassette in a first mode and to monitor fluid pressure in the cassette in a second mode.

Une simple cassette de perfusion par pompage jettable est destinée à être utilisée avec une pompe de perfusion de médicaments. La cassette présente des moyens internes permettant le montage d'un élément élastomère (16) entre un élément supérieur (12) et un élément de base (14), en contact étanche au liquide à l'intérieur de la cassette. Ladite cassette présente une chambre de pompage (22) à laquelle sont adjacentes une chambre proximale (56) ainsi qu'une chambre de contrôle de pression distale (57). Un interrupteur d'écoulement (24) monté sur la cassette est destiné à empêcher l'écoulement de liquide à travers la cassette dans un premier mode, et à contrôler la pression du liquide à l'intérieur de la cassette dans un second mode.

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