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Method and Systems for Controlling Ultrafiltration Using Central Venous Pressure Measurements

  • US 20100331754A1
  • Filed: 09/03/2010
  • Published: 12/30/2010
  • Est. Priority Date: 09/28/2007
  • Status: Abandoned Application
First Claim
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1. A method for regulating a volume of fluid removed from a patient during renal dialysis, the method comprising:

  • a. Placing a catheter into a central vena cava of the patient;

    b. Connecting said catheter to a blood circuit of a dialysis system, wherein said blood circuit comprises a pressure sensor and a dialyzer and wherein said pressure sensor is upstream from said dialyzer;

    c. Operating said dialysis system to circulate blood of said patient through said blood circuit;

    d. Measuring a pressure value indicative of a central venous pressure of said patient using said pressure sensor; and

    e. Adjusting an ultrafiltration rate based on the measured pressure value.

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