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Drain and fill logic for automated peritoneal dialysis

  • US 9,132,222 B2
  • Filed: 04/27/2012
  • Issued: 09/15/2015
  • Est. Priority Date: 01/29/2009
  • Status: Active Grant
First Claim
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1. An automated peritoneal dialysis method comprising:

  • pumping dialysis fluid to and from a dialysis machine and a patient over a multi-cycle dialysis therapy including a plurality of patient fills, dwells, and drains;

    providing a logic implementer with the dialysis machine to (i) calculate cumulative ultrafiltration during the multi-cycle dialysis therapy, and (ii) reduce a prescribed volume for at least one of the plurality of patient fills through controlling the pumping of the dialysis fluid to and from the dialysis machine when an amount of a prior incomplete one of the plurality of drains causes the cumulative ultrafiltration at an end of the prior incomplete drain to exceed a negative ultrafiltration limit.

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