An extracorporeal blood treatment apparatus

A - Human Necessities – 61 – M

Patent

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A61M 1/16 (2006.01)

Patent

CA 2729794

An extracorporeal blood treatment apparatus comprises a sensor (10) for emitting a signal indicating a change of hematic volume of an individual (7) subjected to a treatment and a weight loss system for actuating the individual's weight loss. A control unit (20) receives an effective weight value of the individual and a desired weight loss value and from these values determines a desired value of a change in hematic volume at end of treatment. The weight loss system is controlled on a basis of the hematic volume change signal and the desired value of the hematic volume change. The apparatus enables automatic control of a dialysis operation while preventing some complications arising from hypotension.

L'invention concerne un appareil de traitement extracorporel du sang qui comprend un capteur (10) émettant un signal indiquant un changement du volume hématique d'un individu (7) soumis à un traitement et un système de perte de poids pour déclencher la perte de poids de l'individu. Une unité de commande (20) reçoit une valeur pondérale effective de l'individu et une valeur de perte de poids désirée, et détermine à partir de ces valeurs une valeur désirée d'un changement du volume hématique à la fin du traitement. Le système de perte de poids est commandé en fonction du signal de changement de volume hématique et de la valeur désirée de changement du volume hématique. L'appareil permet la commande automatique d'une opération de dialyse en prévenant certaines complications dues à l'hypotension.

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