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Method and apparatus for controlling a medical fluid heater

  • US 6,869,538 B2
  • Filed: 05/24/2002
  • Issued: 03/22/2005
  • Est. Priority Date: 05/24/2002
  • Status: Expired due to Fees
First Claim
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1. A method of controlling a medical fluid heater comprising the steps of:

  • determining a first heater control output based on a number of measured inputs for the heater and at least one mathematical relationship between at least two of the measured inputs;

    determining a second heater control output based on at least one fuzzy logic membership function and at least one fuzzy logic rule; and

    determining a third heater control output based on the first and second outputs and using the third heater control output to control the heater.

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