Method and circuit for storing and providing historical physiological data
First Claim
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1. An oximeter sensor, comprising:
- a light emitting element configured to emit light;
a light detector configured to detect the light;
a memory storing data; and
a changeable encryption key to facilitate scrambling the data to make the data inaccessible to devices that are without an appropriate decryption mechanism.
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Abstract
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 a memory storing data, and a changeable encryption key to facilitate scrambling the data to make the data inaccessible to devices that are without an appropriate decryption mechanism.
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Citations
15 Claims
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1. An oximeter sensor, comprising:
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a light emitting element configured to emit light;
a light detector configured to detect the light;
a memory storing data; and
a changeable encryption key to facilitate scrambling the data to make the data inaccessible to devices that are without an appropriate decryption mechanism. - View Dependent Claims (2, 3)
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4. A method of manufacturing an oximeter sensor, comprising:
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providing a light emitting element;
providing a light detector configured to detect the light; and
providing a memory storing data and storing a changeable encryption key to facilitate scrambling the data to make the data inaccessible to devices that are without an appropriate decryption mechanism.
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5. An oximeter system, comprising:
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an oximeter sensor, comprising;
a light emitting element configured to emit light;
a light detector configured to detect the light; and
a memory storing data encrypted by a changeable encryption key to make the data inaccessible to devices that are without an appropriate decryption mechanism; and
an oximeter monitor, comprising;
a drive circuit configured to provide signals to circuitry of the oximeter sensor;
a receiving circuit configured to receive the encrypted data from the oximeter sensor; and
a decryption mechanism corresponding to the changeable encryption key, the decryption mechanism decrypting the encrypted data. - View Dependent Claims (6, 7)
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8. An oximeter monitor, comprising:
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a drive circuit configured to provide signals to circuitry of an oximeter sensor;
a receiving circuit configured to receive data from a memory of the oximeter sensor; and
a decryption mechanism corresponding to a changeable encryption key of the oximeter sensor, the decryption mechanism facilitating communication of the data between the oximeter sensor and the oximeter monitor. - View Dependent Claims (9)
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10. A method of monitor operation, comprising:
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providing signals to circuitry of an oximeter sensor;
receiving data from a memory of the oximeter sensor; and
facilitating communication of the data between the oximeter sensor and the oximeter monitor by decrypting the data with a decryption mechanism corresponding to a changeable encryption key of the oximeter sensor. - View Dependent Claims (11)
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12. A method of monitor operation, comprising:
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reading encrypted data from a sensor; and
decrypting the data with a changeable encryption key. - View Dependent Claims (13)
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14. A method of manufacturing an oximeter sensor, comprising:
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providing a light emitting element;
providing a light detector;
providing data;
scrambling the data with a changeable encryption key to make the data inaccessible to devices that are without an appropriate decryption mechanism; and
storing the scrambled data on a sensor memory. - View Dependent Claims (15)
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Specification