METHOD FOR CONTROLLING OF A FILTRATION RATE, CONTROLLER, AND DEVICES
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Abstract
The present invention relates to a method for controlling a filtration rate during treatment of a body fluid, e.g., during hemofiltration or dialysis, comprising the steps of defining a target relation, or a development during dialysis thereof, between one or more calculated or measured value(s) reflecting the mass, concentration, or the volume of a substance comprised by a patient'"'"'s tissue or bodily fluid, and one or more calculated or measured value(s) reflecting a patient'"'"'s distribution space or an approximation thereof; during dialysis repeatedly calculating or measuring value(s) reflecting the mass, concentration or the volume of the substance and/or reflecting the distribution space or an approximation thereof, and determining the relation therebetween at least once; and controlling the filtration rate of the body fluid treatment device such that the determined relation is or approaches the target relation. It also relates to systems for conducting the method, and related computer-readable storage media.
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Citations
42 Claims
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1-22. -22. (canceled)
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23. A method for controlling of a filtration rate during treatment of a bodily fluid of a patient by utilization of a bodily fluid treatment device, comprising the steps of:
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defining a target relation, or a development thereof during fluid treatment, between one or more calculated or measured value(s) reflecting the mass or the concentration or the volume of a substance comprised by a tissue or a bodily fluid of the patient, and one or more calculated or measured value(s) reflecting a distribution space of the patient or an approximation thereof; during treatment of the bodily fluid repeatedly calculating or measuring of value(s) reflecting the mass or the concentration or the volume of the substance and/or reflecting the distribution space or an approximation thereof, and determining the relation there between at least once; and controlling of the filtration rate of the fluid treatment device such that the determined relation is or approaches the target relation or aims to do or be so. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
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Specification