System and method for monitoring the life of a physiological sensor

摘要

Aspects of the present disclosure include a sensor configured to store in memory indications of sensor use information and formulas or indications of formulas for determining the useful life of a sensor from the indications of sensor use information. A monitor connected to the sensor monitors sensor use and stores indications of the use on sensor memory. The monitor and/or sensor compute the useful life of the sensor from the indications of use and the formulas. When the useful life of the sensor is reached, an indication is given to replace the sensor.

主权项

1. A reusable noninvasive physiological sensor configured to store sensor use information, 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 sensor use information and at least one sensor life function, wherein the at least one sensor life function indicates to a separately housed patient monitor how to calculate a useful life of the sensor; and a communication port configured to communicate the at least one indication of sensor use information and the at least one sensor life function to the separately housed patient monitor, wherein the separately housed patient monitor calculates the useful life of the sensor using the at least one indication of sensor use information and the at least one sensor life function received from the sensor.