Device and method for determining analyte levels
AssigneeDexCom, Inc.
InventorsMark C. Shults, Stuart J. Updike, Rathbun K. Rhodes
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Abstract
Devices and methods for determining analyte levels are described. The devices and methods allow for the implantation of analyte-monitoring devices, such as glucose monitoring devices, that result in the delivery of a dependable flow of blood to deliver sample to the implanted device. The devices comprise a unique microarchitectural arrangement in the sensor region that allows accurate data to be obtained over long periods of time.
Claims22
A system for processing sensor data from a continuous analyte sensor, comprising:
- a sensor comprising one or more electrodes configured for implantation in a subcutaneous tissue of a host, wherein the sensor is configured to continuously measure an analyte concentration in the host, whereby sensor data indicative of the subcutaneous analyte concentration is obtained;
- and
- an electronic system operably connected to the sensor and configured to calibrate the sensor data in real-time using a reference value determined by analysis of blood, wherein the electronic system is configured to calibrate the sensor data by correlating the reference value with a time-spaced sensor data value of the sensor data.
A method for processing real-time sensor data from a continuous analyte sensor, comprising:
- calibrating, with an electronic system, data from a sensor configured to continuously measure a subcutaneous analyte concentration in a host, wherein calibrating comprises correlating a reference value determined by analysis of blood with a time-spaced sensor data value of the sensor data, and wherein the calibrating is performed during a period of time of continuous subcutaneous analyte concentration measurement.
Dependencies are inferred from the claim text.