A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 1/34 (2006.01) A61M 1/16 (2006.01)
Patent
CA 2276748
There is described a device for hemodiafiltration with a fluid balancing device and on-line preparation of the substitution fluid from dialysate by sterile filters. The preferred embodiment uses two sterile filters whereby the first filters the dialysate and the second is passed by the dialysate. This second sterile filter is arranged in the dialysate fluid circuit between the first filter and the dialyser in a positive pressure area, which is separated from the rest of the downstream dialysate circuit. Due to the positive pressure in the area of the second filter, the dialysate passes through the filter membrane and from there to the extracorporeal circuit via a line as substitution solution.
L'invention concerne un dispositif destiné à l'hémodiafiltration, comprenant un dispositif d'équilibrage du fluide et la préparation en direct du fluide de substitution à partir du dialysat et au moyen de filtres stériles. Selon le mode de réalisation préféré de l'invention, on utilise deux filtres stériles. Le dialysat est filtré par le premier filtre et s'écoule seulement le long du second filtre. Le second filtre stérile est implanté dans le circuit du fluide dialysat situé entre le premier filtre et le dialyseur, notamment dans une zone de pression positive qui est séparée du reste du circuit du dialysat aval. Grâce à la pression positive régnant dans la zone du second filtre, le dialysat traverse la membrane du fitre pour s'acheminer ensuite par une conduite, vers le circuit extracorporel sous forme de solution de substitution.
Gambro Ab
Gambro Lundia Ab
Marks & Clerk
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