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Electrolyte and pH monitoring for fluid removal processes

  • US 10,293,092 B2
  • Filed: 08/18/2015
  • Issued: 05/21/2019
  • Est. Priority Date: 04/29/2011
  • Status: Active Grant
First Claim
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1. A method carried out by a blood fluid removal device or system, comprising:

  • initiating blood fluid removal procedure for a patient in need thereof, wherein the procedure comprises use of a fluid selected from a dialysate fluid or a replacement fluid, and wherein the fluid has an initial pH buffer composition or electrolyte composition;

    monitoring an indicator of blood electrolyte concentration or blood pH of the patient during the blood fluid removal session;

    adjusting the pH buffer composition or the electrolyte composition of the fluid based on a rate of change of the monitored indicator;

    monitoring the adjustments of pH or electrolyte concentration after adding the replacement fluid to the blood and prior to returning the blood to the patient; and

    monitoring an indicator of the dialysate fluid after the dialysate fluid exits a blood fluid removal medium.

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