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Weight/sensor-controlled sorbent system for hemodialysis

  • US 8,597,227 B2
  • Filed: 08/19/2011
  • Issued: 12/03/2013
  • Est. Priority Date: 07/19/2002
  • Status: Expired due to Term
First Claim
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1. A hemodialysis system comprising:

  • a dialyzer;

    a blood circuit including a blood pump in fluid communication with the dialyzer;

    a dialysate circuit including a dialysate circulation pump in fluid communication with the dialyzer, the dialysate circuit further including a sorbent cartridge for cleaning used dialysate;

    a container holding an initial supply of dialysate;

    a container pump in fluid communication with the dialysate circuit and the container;

    a supply of concentrate, wherein the container pump is also positioned and arranged to pump concentrate from the concentrate supply to the dialysate circuit; and

    an electronic weight balance positioned and arranged to weigh the supply of concentrate.

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