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Fluid and air handling in blood and dialysis circuits

  • US 8,444,587 B2
  • Filed: 09/24/2008
  • Issued: 05/21/2013
  • Est. Priority Date: 10/01/2007
  • Status: Active Grant
First Claim
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1. A blood priming method comprising:

  • (a) running a dialysate pump to pull blood from a patient into an extracorporeal blood circuit in a first direction and displacing a priming liquid to a drain for a number of pump cycles or for a given time by flowing the priming liquid through a line connecting the extracorporeal blood circuit to the drain so that the priming liquid does not pass through a blood filter; and

    (b) running a blood pump to pull blood from the patient into the extracorporeal blood circuit in a second direction and displacing the priming liquid to the drain for a number of pump cycles or for a given time by flowing the priming liquid through the line connecting the extracorporeal blood circuit to the drain so that the priming liquid does not pass through the blood filter.

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