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Variable indication estimator

  • US 9,138,192 B2
  • Filed: 07/15/2013
  • Issued: 09/22/2015
  • Est. Priority Date: 06/05/2000
  • Status: Expired due to Term
First Claim
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1. An apparatus for selecting output physiological parameter values based on signal confidence, the apparatus comprising:

  • one or more processors configured to;

    receive an input physiological signal;

    calculate physiological parameter values from the input physiological signal;

    calculate a signal confidence based at least in part on the input physiological signal;

    vary a mode parameter in real time based at least in part on the signal confidence;

    apply a first filter to the physiological parameter values to produce output physiological parameter values in responsive to the mode parameter having a first value;

    apply a second filter to the physiological parameter values to produce the output physiological parameter values in response to the mode parameter having a second value different from the first value; and

    suppress at least one alarm responsive to the variation of the mode parameter.

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