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Method and circuit for indicating quality and accuracy of physiological measurements

  • US 20040097797A1
  • Filed: 11/12/2003
  • Published: 05/20/2004
  • Est. Priority Date: 04/14/1999
  • Status: Active Grant
First Claim
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1. A sensor for sensing at least one physiological characteristic of a patient, the sensor being connectable to a monitor that estimates a physiological condition from signals detected by the sensor, the sensor comprising:

  • a detector for detecting the signals from the patient which are indicative of the physiological characteristic;

    a memory associated with the sensor and configured to store data defining at least one sensor signal specification boundary for the detected signals, the boundary being indicative of a quality of the signals and an accuracy of the physiological characteristic estimated from the signals by the monitor; and

    means for providing access to the memory to allow transmission of the data defining the at least one sensor boundary to the monitor.

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