Flow-through treatment device

A - Human Necessities – 61 – M

Patent

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Details

A61M 1/36 (2006.01) A61M 1/16 (2006.01) A61M 1/34 (2006.01)

Patent

CA 2210483

A flow-through blood treatment device such as a hemo-dialyzer (11) comprises a housing, a blood inlet, a blood outlet, and at least one membrane in the housing defining a blood flow path between the blood inlet and outlet on one side of the membrane, plus a second flow path defined on the other side of the membrane. At least one of the blood inlet and outlet is connected to blood flow tubing (12, 14), which blood flow tubing carries a connector spaced from the housing for access to the vascular system of a patient. The blood flow tubing also defines at least one connection site (31-34, 36, 37) along its length permitting repeated, temporary connection, and subsequent disconnection with branch conduits for connection with sources of additive solutions or measuring devices. Typically, the blood flow tubing is free of permanently attached, flexible branch tubing.

Appareil de traitement du sang à circulation tel qu'un appareil d'hémodialyse (11) comprenant un logement, une entrée pour le sang, une sortie pour le sang et au moins une membrane placée dans le logement délimitant un premier cheminement du sang, allant de l'entrée à la sortie, sur un des côtés de la membrane, et un second cheminement du sang de l'autre côté de la membrane. L'entrée et/ou la sortie est/sont reliée(s) à une tubulure (12, 14) de circulation du sang munie d'un connecteur séparé du logement et donnant accès au système vasculaire du patient. Ladite tubulure présente au moins un point de raccordement (31-34, 36, 37) sur sa longueur, permettant d'effectuer des raccordements répétés temporaires, suivis de débranchements, avec des conduits de branchement les reliant à des sources de solutions additives ou à des dispositifs de mesure. La tubulure de circulation du sang est normalement exempte de tubulure de branchement annexe souple connectée en permanence.

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