System and method for monitoring the life of a physiological sensor
First Claim
Patent Images
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.
1 Assignment
0 Petitions
Accused Products
Abstract
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.
788 Citations
19 Claims
-
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. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A method of determining a useful life of a physiological sensor comprising a memory device, the method comprising:
-
storing at least one indication of a sensor life function in a memory device of the sensor, 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; generating at the sensor a signal indicative of light after the light has passed through tissue; and communicating the at least one indication of a sensor life function and the signal indicative of the light 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. - View Dependent Claims (9, 10, 11, 12, 13)
-
-
14. A reusable noninvasive physiological sensor comprising:
-
a detector configured to sense light after it has passed through 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 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. - View Dependent Claims (15, 16, 17, 18, 19)
-
Specification