Transcutaneous analyte sensor
First Claim
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1. A method for monitoring a glucose concentration in a host, the method comprising:
- receiving sensor data indicative of a glucose concentration in a host over a period of time, wherein the sensor data is generated by a substantially continuous glucose sensor;
receiving reference data from a reference analyte monitor; and
using a processor module to;
determine a first rate of change of a glucose concentration of a host that is substantially time corresponding to a first reference data point of the reference data;
determine whether the first rate of change is within a range of rates of change delimited by maximum normally sustainable rates of change of glucose in humans; and
calibrate the sensor data using the first reference data point only if the first rate of change is determined to be within the range of rates of change delimited by maximum normally sustainable rates of change of glucose in humans.
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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.
832 Citations
24 Claims
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1. A method for monitoring a glucose concentration in a host, the method comprising:
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receiving sensor data indicative of a glucose concentration in a host over a period of time, wherein the sensor data is generated by a substantially continuous glucose sensor; receiving reference data from a reference analyte monitor; and using a processor module to; determine a first rate of change of a glucose concentration of a host that is substantially time corresponding to a first reference data point of the reference data; determine whether the first rate of change is within a range of rates of change delimited by maximum normally sustainable rates of change of glucose in humans; and calibrate the sensor data using the first reference data point only if the first rate of change is determined to be within the range of rates of change delimited by maximum normally sustainable rates of change of glucose in humans. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A system for monitoring a glucose concentration in a host, the system comprising:
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a receiving module configured to receive sensor data indicative of a glucose concentration in a host over time generated by a substantially continuous glucose sensor and reference data from a reference analyte monitor; and a processor module configured to; determine a first rate of change of a glucose concentration of a host that is substantially time corresponding to a first reference data point of the reference data; determine whether the first rate of change is within a range of rates of change delimited by maximum normally sustainable rates of change of glucose in humans; and calibrate the sensor data using the first reference data point only if the first rate of change is determined to be within the range of rates of change delimited by maximum normally sustainable rates of change of glucose in humans. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification