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 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.