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Method of determining system volume of a dialysis machine

  • US 6,280,634 B1
  • Filed: 06/09/2000
  • Issued: 08/28/2001
  • Est. Priority Date: 12/09/1996
  • Status: Expired due to Term
First Claim
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1. A method of calibrating a dialysis machine to determine the volume of a dialysate flow path of said machine, said dialysate solution flow path including a dialysate preparation tank, comprising the steps of:

  • introducing a known quantity of electrically conductive chemicals into said dialysate preparation tank;

    filling said dialysate solution flow path with water;

    mixing said chemicals with said water to form a solution;

    measuring the conductivity of said solution; and

    calculating said system volume (Vsys) according to the relation;

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