Method and circuit for storing and providing historical physiological data
View Patent ↗Embodiments of the present invention include systems and methods that relate to pulse oximetry. Specifically, one embodiment includes an oximeter sensor comprising a light emitting element configured to emit light, a light detector configured to detect the light, and a memory storing an optical shunting measurement for the oximeter sensor.
1. An oximeter system, comprising:
an oximeter sensor, comprising:
a light emitting element configured to emit light;
a light detector configured to detect the light; and
a memory storing an optical shunting measurement for the oximeter sensor; and
an oximeter monitor, comprising:
a drive circuit configured to provide signals to circuitry of the oximeter sensor; and
a receiving circuit configured to receive data including the optical shunting measurement from the oximeter sensor, wherein the optical shunting measurement facilitates adjustment of a processing coefficient.
2. The system of claim 1 , comprising a plurality of optical shunting measurements stored in the memory, the plurality of optical shunting measurements relating to a family of oximeter sensors.
3. An oximeter monitor, comprising:
a drive circuit configured to provide signals to circuitry of an oximeter sensor;
a circuit configured to receive an optical shunting measurement of the oximeter sensor from a memory of the sensor; and
an adjustment circuit configured to read processing coefficients from the oximeter sensor and adjust the processing coefficients based on the optical shunting measurement.
4. A method of monitor operation, comprising:
providing signals to circuitry of an oximeter sensor that is configured to couple to a patient;
receiving information from a memory of the oximeter sensor, the information comprising an optical shunting measurement for the oximeter sensor; and
reading processing coefficients from the oximeter sensor and adjusting the processing coefficients based on the optical shunting measurement.
5. The method of claim 4 , comprising receiving a plurality of optical shunting measurements for a family of oximeter sensors.
6. An oximeter monitor, comprising:
a drive circuit configured to provide signals to circuitry of an oximeter sensor;
a circuit configured to receive an optical shunting measurement of the oximeter sensor from a memory of the sensor; and
an adjustment circuit configured to store processing coefficients and adjust the processing coefficients based on the optical shunting measurement.
7. A method of monitor operation, comprising:
providing signals to circuitry of an oximeter sensor that is configured to couple to a patient;
receiving information from a memory of the oximeter sensor, the information comprising an optical shunting measurement for the oximeter sensor; and
storing processing coefficients and adjusting the processing coefficients based on the optical shunting measurement.
8. The method of claim 7 , comprising receiving a plurality of optical shunting measurements for a family of oximeter sensors.