Method and circuit for storing and providing historical physiological data
First Claim
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1. A sensor for facilitating detection of a physiological characteristic of a patient, comprising:
- a detector configured to obtain signals from the patient, the signals being indicative of the physiological characteristic;
an interface configured to send the signals to a monitor; and
a sensor memory coupled with the sensor and separate from the monitor, the sensor memory storing sensor expiration data.
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Abstract
Embodiments of the present invention relate to a sensor for facilitating detection of a physiological characteristic of a patient. Specifically, one embodiment includes a detector configured to obtain signals from the patient, the signals being indicative of the physiological characteristic, an interface configured to send the signals to a monitor, and a sensor memory coupled with the sensor and separate from the monitor, the sensor memory storing sensor expiration data.
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Citations
25 Claims
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1. A sensor for facilitating detection of a physiological characteristic of a patient, comprising:
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a detector configured to obtain signals from the patient, the signals being indicative of the physiological characteristic;
an interface configured to send the signals to a monitor; and
a sensor memory coupled with the sensor and separate from the monitor, the sensor memory storing sensor expiration data. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of manufacturing a sensor for facilitating detection of a physiological characteristic, comprising:
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providing a light emitting device coupled with the sensor;
providing a photo-detector coupled with the sensor, the photo-detector configured to receive emissions from the light emitting device;
providing a sensor memory coupled with the sensor, the sensory memory configured to provide communicative access to contents of the sensor memory to a separate monitor; and
storing sensor expiration data within the sensor memory. - View Dependent Claims (8, 9, 10, 11)
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12. A pulse oximeter system, comprising:
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a sensor and a monitor, the sensor comprising;
a detector configured to obtain data indicative of a physiological characteristic from a patient; and
a sensor memory coupled with the sensor and separate from the monitor, the sensor memory storing sensor expiration data; and
the monitor comprising;
a first component configured to read the data and derive patient physiological data from the data; and
a second component configured to read the sensor expiration data and perform an operation based on the sensor expiration data. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A monitor, comprising:
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a signal unit configured to provide signals to a light emitting device disposed within a sensor;
a first data interface circuit component configured to read signal data from a photodetector in the sensor;
a processor configured to derive patient physiological data from the signal data, the patient physiological data being indicative of a physiological characteristic of the patient; and
a second data interface circuit component configured to read sensor expiration data stored within the sensor and configured to perform an operation based on the sensor expiration data. - View Dependent Claims (19, 20)
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21. A method for monitoring sensor data, comprising:
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providing control signals to a light emitting element of a sensor;
reading signal data from a photodetector of the sensor;
processing the signal data to obtain physiological data;
reading sensor expiration data stored within the sensor; and
performing an operation based on the sensor expiration data. - View Dependent Claims (22, 23, 24)
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25. A method of manufacturing a sensor for facilitating detection of a physiological characteristic, comprising:
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providing a sensor memory configured to store sensor expiration data; and
coupling the sensor memory to a sensor.
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Specification