Analyte sensor calibration management
First Claim
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1. A method, comprising:
- programming a processor of an in vivo glucose monitoring system to;
monitor a signal received from a glucose sensor positioned in fluid contact with interstitial fluid to determine if a level of the signal is below a predetermined threshold during a predefined period of time following sensor positioning;
detect an attenuation in the signal when it is determined that the level of the signal is below the predetermined threshold during the predefined period of time following sensor positioning;
categorize the detected attenuation in the signal based, at least in part, on one or more characteristics of the signal; and
report information related to the signal when the level of the signal is not determined to be below the predetermined threshold during the predefined period of time following sensor positioning;
wherein the detected attenuation in the signal is associated with an early signal attenuation condition.
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Abstract
Methods and devices to detect analyte in body fluid are provided. Embodiments include positioning an analyte sensor in fluid contact with an analyte, detecting an attenuation in a signal from an analyte sensor after positioning during a predetermined time period, categorizing the detected attenuation in the analyte sensor signal based, at least in part, on one or more characteristics of the signal, performing signal processing to generate a reportable data associated with the detected analyte sensor signal during the predetermined time period, managing if and when to request additional reference signal measurements, and managing if and when to temporarily not display results.
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Citations
20 Claims
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1. A method, comprising:
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programming a processor of an in vivo glucose monitoring system to; monitor a signal received from a glucose sensor positioned in fluid contact with interstitial fluid to determine if a level of the signal is below a predetermined threshold during a predefined period of time following sensor positioning; detect an attenuation in the signal when it is determined that the level of the signal is below the predetermined threshold during the predefined period of time following sensor positioning; categorize the detected attenuation in the signal based, at least in part, on one or more characteristics of the signal; and report information related to the signal when the level of the signal is not determined to be below the predetermined threshold during the predefined period of time following sensor positioning; wherein the detected attenuation in the signal is associated with an early signal attenuation condition. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An in vivo glucose monitoring system, comprising:
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an in vivo glucose sensor configured for in vivo positioning such that at least a portion of the sensor is positioned in fluid contact with interstitial fluid; and a processor programmed to receive a signal from the in vivo glucose sensor, monitor the signal to determine if a level of the signal is below a predetermined threshold during a predefined period of time following sensor positioning, detect an attenuation in the signal when it is determined that the level of the signal is below the predetermined threshold during the predefined period of time following sensor positioning, categorize the detected attenuation in the signal based, at least in part, on one or more characteristics of the signal, and report information related to the signal when the level of the signal is not determined to be below the predetermined threshold during the predefined time period following sensor positioning, wherein the detected attenuation in the signal is associated with an early signal attenuation condition. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. An apparatus, comprising:
a processor programmed to receive a signal from a glucose sensor, monitor the signal to determine if a level of the signal is below a predetermined threshold during a predefined period of time following sensor positioning, detect an attenuation in the signal when it is determined that the level of the signal is below the predetermined threshold during the predefined period of time following sensor positioning, categorize the detected attenuation in the signal based, at least in part, on one or more characteristics of the signal, and report information related to the signal when the level of the signal is not determined to be below the predetermined threshold during the predefined time period following sensor positioning, wherein the detected attenuation in the signal is associated with an early signal attenuation condition. - View Dependent Claims (16, 17, 18, 19, 20)
Specification