A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 1/16 (2006.01) A61M 1/36 (2006.01) B01D 65/02 (2006.01) B01D 65/10 (2006.01)
Patent
CA 2484834
The invention relates to a method and a machine for cleaning and qualifying a dialysis filter, which can be used to monitor changes in the filter over the course of the use life thereof while guaranteeing a high degree of safety in relation to possible contamination by blood residues. The inventive machine (10) comprises three treatment stations (11) which are independent from one another and which are used to regenerate simultaneously three dialysis filters (100). Each of said stations (11) rinses a dirty filter using a cleaning liquid and each station comprises a cleaning unit consisting of two distinct liquid transfer circuits. Two drains (17a, 17b), which are connected at each end of the blood compartment of the filter (100), are used to drain the contaminated liquid and the blood residues directly into drain containers (18a, 18b). The different cycles of the machine are controlled by means of a keyboard (19), which is associated with a display screen (20), and are managed automatically by a computer. Moreover, the machine also comprises devices for checking the performances of the treated filter, means of recording and saving filter data after each qualification and means (40) of identifying said filter.
L'invention concerne un procédé et une machine de nettoyage et de qualification d'un filtre de dialyse permettant de suivre l'évolution du filtre au cours de ses utilisations tout en garantissant une grande sécurité en ce qui concerne une possible contamination par les résidus sanguins. La machine (10) comporte trois stations de traitement (11) indépendantes l'une de l'autre, pour régénérer simultanément trois filtres de dialyse (100). Chaque station (11) effectue le rinçage d'un filtre sale à l'aide d'un liquide de nettoyage et se compose d'une unité de nettoyage comprenant deux circuits distincts de circulation de liquide. Deux conduits d'écoulement (17a, 17b) sont reliés à chaque extrémité du compartiment du sang du filtre (100) et permettent l'évacuation directe du liquide souillé et des résidus sanguins dans des bacs de récupération (18a, 18b). Les différents cycles de la machine sont commandés par un clavier (19) associé à un écran d'affichage (20) et gérés automatiquement par un ordinateur. La machine comporte en outre des dispositifs de contrôle des performances du filtre traité, des moyens d'enregistrement et de sauvegarde des données du filtre après chaque qualification et des moyens (40) d'identification de ce filtre.
Kiss Denes
Widmer Jean-Marc
Ciposa S.a.
Lesperance & Martineau S.e.n.c.
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