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Dialysis systems and methods including cassette with fluid heating and air removal

  • US 8,080,091 B2
  • Filed: 02/18/2011
  • Issued: 12/20/2011
  • Est. Priority Date: 10/01/2007
  • Status: Active Grant
First Claim
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1. A dialysis fluid system comprising:

  • a dialysis instrument including a pump actuator and a fluid heater; and

    a dialysis fluid cassette including a rigid portion and a flexible sheet cooperating to form a pumping section for operation with the pump actuator, the dialysis fluid cassette further including a heating section for operation with the fluid heater, the heating section includinga dialysis fluid inlet,a dialysis fluid outlet, anda dialysis fluid heating area located between the fluid inlet and the fluid outlet, andan air vent opening located above the fluid outlet when the dialysis fluid cassette is loaded into the dialysis instrument.

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