Method and apparatus for checking the correct coupling of an...

A - Human Necessities – 61 – M

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A61M 1/36 (2006.01) A61M 5/145 (2006.01) A61M 5/168 (2006.01)

Patent

CA 2681018

The invention relates to a device for checking the correct coupling of a supply device to a therapy device that comprises an extracorporeal circuit to which the supply device is connected such that a product can be introduced into the extracorporeal circuit by means of the supply device whilst the therapy device is in operation. The supply device is coupled to the extracorporeal circuit on the suction side of a pump in the extracorporeal circuit. The claimed method is characterised in that one section in the low pressure area of the extracorporeal circuit is isolated from the other parts of the extracorporeal circuit together with one section of the supply device and the pressure in said isolated section is modified and measured.

L'invention concerne un procédé servant à vérifier le couplage correct d'un dispositif d'alimentation à un appareil thérapeutique qui présente un circuit extra-corporel auquel le dispositif d'alimentation est relié de sorte qu'un produit peut être introduit dans le circuit extra-corporel au moyen du dispositif d'alimentation pendant le fonctionnement de l'appareil thérapeutique. Le dispositif d'alimentation est couplé au circuit extra-corporel du côté aspiration d'une pompe placée dans le circuit extra-corporel. Le procédé selon l'invention est caractérisé en ce qu'un segment dans la zone de dépression du circuit extra-corporel est isolé des autres parties du circuit extra-corporel conjointement avec un segment du dispositif d'alimentation et en ce que la pression dans ce segment fermé est modifiée et mesurée.

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