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Systems, devices, and methods to compensate for temperature effects on sensors

A sensor signal, glucose sensor technology, applied in the field of medical equipment, can solve problems such as insufficient use of insulin and regulation of blood sugar levels

Pending Publication Date: 2020-09-04
DEXCOM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As a result, even when insulin is present in the body, the patient's body cannot use enough insulin to effectively regulate blood sugar levels

Method used

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  • Systems, devices, and methods to compensate for temperature effects on sensors
  • Systems, devices, and methods to compensate for temperature effects on sensors
  • Systems, devices, and methods to compensate for temperature effects on sensors

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Embodiment Construction

[0289] The accuracy of glucose sensors is important to patients, caregivers, and clinicians because estimated glucose concentration levels obtained from glucose sensors can be used to determine therapy or assess the effectiveness of therapy. There are many factors that can affect the accuracy of a glucose sensor. One factor is temperature. The inventors of the present invention have realized that, among other things, steps can be taken to compensate for the effect of temperature on the glucose sensor, which can improve the performance of the sensor system by increasing the accuracy of the estimated glucose level, which can reduce the sensor system's Mean Absolute Relative Deviation (MARD). The MARD value over a valid or indicative range of glucose levels is a common method used to describe the precision and accuracy with which a glucose sensing system makes glucose measurements. MARD is the result of a mathematical calculation that measures the average difference between the...

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Abstract

This document discusses, among other things, systems and methods to compensate for the effects of temperature on sensors, such as analyte sensor. An example method may include determining a temperature-compensated glucose concentration level by receiving a temperature signal indicative of a temperature parameter of an external component, receiving a glucose signal indicative of an in vivo glucoseconcentration level, and determining a compensated glucose concentration level based on the glucose signal, the temperature signal, and a delay parameter.

Description

[0001] Incorporated by reference to related applications [0002] Any and all priority claims identified in the Application Data Sheet or any corrections thereto are hereby incorporated by reference pursuant to 37 CFR 1.57. This application claims the benefit of U.S. Provisional Application No. 62 / 620,775, filed January 23, 2018. Each of the aforementioned applications is hereby incorporated by reference in its entirety, and each is hereby expressly made a part of this specification. The foregoing applications are hereby incorporated by reference in their entirety and are hereby expressly made a part of this specification. technical field [0003] The present development relates generally to medical devices, such as analyte sensors, and more specifically, but not limitedly, to systems, devices and methods for compensating for the effects of temperature on analyte sensors. Background technique [0004] Diabetes is a metabolic condition related to the body's production or us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/00C12Q1/54G01N33/48G01N33/50G05B17/02G16H50/50
CPCA61B5/1495A61B5/14532A61B5/7203A61B2560/0238A61B2560/0252A61B5/01A61B5/7221Y02A90/10A61B5/681A61B5/0205A61B5/14865A61B5/0022A61B5/024A61B5/1112A61B5/1118A61B2562/0219A61B2562/0247G16H50/20G01N27/3274
Inventor A·C·哈利-朝其麦克S·泊姆R·马D·B·谢特施明连K·特克索伊V·P·克拉布特里N·巴瓦拉朱M·沃格尔E·雷曼L·王D·德仁兹M·L·穆尔A·M·莱因哈特D·A·凯勒B·L·克拉克
Owner DEXCOM
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