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AUTOMATED PERITONEAL DIALYSIS CYCLER AND METHODS OF USE

  • US 20110160649A1
  • Filed: 12/20/2010
  • Published: 06/30/2011
  • Est. Priority Date: 12/24/2009
  • Status: Active Grant
First Claim
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1. A dialysis system comprising:

  • a containment chamber containing a first volume of gas and configured to receive a heater bag and a drain bag therein;

    a first pressure sensor configured to measure the pressure in the containment chamber;

    a reference chamber containing a second volume of gas;

    a second pressure sensor configured to measure the pressure in the reference chamber;

    a valve configured to selectively open and close a pathway between the containment chamber and the reference chamber;

    one or more pumps configured to apply pressure to the containment chamber and to the reference chamber; and

    a controller configured to apply a first pressure to the containment chamber using the one or more pumps, to apply a second pressure to the reference chamber using the one or more pumps, to open the pathway between the containment chamber and the reference chamber with the valve, and to measure an equalized pressure in at least one of the containment chamber and the reference chamber after the pressures of the containment chamber and the reference chamber have substantially equalized.

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