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System and method for monitoring the life of a physiological sensor

  • US 10,039,482 B2
  • Filed: 12/22/2016
  • Issued: 08/07/2018
  • Est. Priority Date: 10/12/2006
  • Status: Active Grant
First Claim
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1. A reusable noninvasive physiological sensor configured to store an indication of a sensor life function, the sensor comprising:

  • a first and second emitter configured to emit light of at least two wavelengths through tissue;

    a detector configured to sense the light after it has passed through the tissue and to generate a signal indicative of the sensed light;

    a memory device configured to store at least one indication of a sensor life function, wherein the at least one indication of a sensor life function identifies at least one sensor life function stored in a separately housed patient monitor, and wherein the at least one sensor life function indicates to the separately housed patient monitor how to calculate a useful life of the sensor; and

    a communication port configured to communicate the signal indicative of the sensed light and the at least one indication of a sensor life function to the separately housed patient monitor, wherein the separately housed patient monitor calculates the useful life of the sensor based at least in part on the at least one sensor life function identified by the at least one indication of a sensor life function received from the sensor.

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