Method and circuit for storing and providing historical physiological data
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 receive the light, and a memory device that stores data, comprising an amount of wetness on the oximeter sensor.
1. An oximeter sensor, comprising:
a light emitting element configured to emit light;
a light detector configured to receive the light;
a memory device that stores data, comprising an amount of wetness on the oximeter sensor; and
an isolation mechanism configured to isolate a patient from electronics associated with the oximeter sensor when a predefined wetness level is reached.
2. The oximeter sensor of claim 1 , comprising a moisture sensor or impedance sensor configured to detect the amount of wetness on the oximeter sensor.
3. The oximeter sensor of claim 1 , comprising a circuit configured to disable the oximeter sensor if the amount of wetness on the oximeter sensor exceeds a predefined threshold.
4. A method of manufacturing an oximeter sensor, comprising:
providing a light emitting element configured to project light;
providing a light detector configured to receive the light;
providing a memory device storing data comprising a maximum allowable amount of wetness on the oximeter sensor;
providing a circuit in the oximeter sensor configured to disable the oximeter sensor if the amount of wetness on the oximeter sensor exceeds a predefined threshold; and
providing a sensor body including the light emitting element, the light detector, the memory device, and the circuit.
5. The method of claim 4 , comprising providing a moisture sensor or impedance sensor configured to detect an amount of wetness on the oximeter sensor.
6. An oximeter system, comprising:
an oximeter sensor, comprising:
a light emitting element configured to emit light;
a light detector configured to receive the light;
a memory device that stores data comprising an amount of wetness on the oximeter sensor; and
an isolation mechanism configured to isolate a patient from electronics associated with the oximeter sensor when a predefined wetness level is reached; 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 the data from the oximeter sensor.
7. An oximeter monitor, comprising:
a drive circuit configured to provide signals to circuitry of an oximeter sensor;
a circuit configured to receive information from a memory device of the oximeter sensor, the information including an amount of wetness on the oximeter sensor; and
disabling circuit configured to disable the oximeter sensor if the amount of wetness on the oximeter sensor exceeds a predefined threshold.
8. The monitor of claim 7 , comprising a moisture sensor circuit configured to receive data from a moisture sensor or impedance sensor of the oximeter sensor.
9. A method of monitor operation, comprising:
receiving information from a memory device of an oximeter sensor, the information including an amount of wetness on the oximeter sensor;
providing signals to circuitry of the oximeter sensor; and
sending a disable signal to the oximeter sensor based on comparing the amount of wetness on the oximeter sensor with a predefined wetness limit.
10. A method of operating an oximeter sensor, comprising:
projecting light from a light emitting element;
receiving the light with a light detector;
storing data in a memory device, the data comprising an amount of wetness on the oximeter sensor; and
disabling the oximeter sensor if the amount of wetness on the oximeter sensor exceeds a predefined threshold.
11. The method of claim 10 , comprising detecting moisture levels using a moisture sensor or impedance sensor.