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US 8,571,625 B2Granted
Transcutaneous analyte sensor
AssigneeDexCom, Inc.
InventorsApurv Ullas Kamath, James Brauker, J. Michael Dobbles
Life of this patent
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Abstract
The present invention relates generally to systems and methods for measuring an analyte in a host. More particularly, the present invention relates to systems and methods for transcutaneous measurement of glucose in a host.
Claims28
A method for processing sensor data, comprising:
- receiving sensor data from a continuous glucose sensor, wherein the sensor data is indicative of a glucose concentration in a host;
- receiving reference data from a reference glucose monitor, wherein the reference data is indicative of a glucose concentration in the host;
- determining, using a processor module, a conversion function based on the sensor data and the reference data, wherein the conversion function comprises a sensitivity value and a baseline value;
- validating the conversion function based on predetermined calibration information, wherein the predetermined calibration information comprises sensitivity information and baseline information derived from in vivo testing of at least one other continuous glucose sensor or in vitro testing;
- and
- adjusting the conversion function in response to the validation failing a criterion, wherein the adjusting is without reference data obtained from an in vitro self-monitoring blood glucose test after implantation in vivo.
3 more elements
A system for processing sensor data, comprising:
- a continuous glucose sensor configured to provide sensor data indicative of a glucose concentration in a host;
- and
- a processor module configured to
- determine a conversion function based on the sensor data and substantially time-corresponding reference data from a reference glucose monitor, wherein the conversion function comprises a sensitivity value and a baseline value,
- validate the conversion function based on predetermined calibration information, wherein the predetermined calibration information comprises sensitivity information and baseline information derived from in vivo testing of at least one other continuous glucose sensor or in vitro testing, and
- adjust the conversion function in response to the validation failing a criterion, wherein the adjusting is without reference data obtained from an in vitro self-monitoring blood glucose test after implantation in vivo.
3 more elements
A system for processing sensor data, comprising:
- a continuous glucose sensor configured to provide sensor data indicative of a glucose concentration in a host;
- and
- a processor module configured to determine a conversion function based on the sensor data and substantially time-corresponding reference data from a reference glucose monitor, wherein the conversion function comprises a sensitivity value and a baseline value, and wherein the processor module is configured to validate the conversion function based on predetermined calibration information, wherein the predetermined calibration information comprises sensitivity information and predetermined baseline information, and wherein the processor module is configured to adjust the conversion function in response to the validation failing a criterion, wherein the adjusting is without reference data obtained from an in vitro self-monitoring blood glucose test after implantation in vivo.
Dependencies are inferred from the claim text.