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Methods, systems and devices for calibrating and optimizing glucose sensors and sensor outputs

A glucose sensor, glucose technology, applied in the field of sensors, can solve problems such as limited success

Active Publication Date: 2022-06-21
MEDTRONIC MIMIMED INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most models have had limited success so far

Method used

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  • Methods, systems and devices for calibrating and optimizing glucose sensors and sensor outputs
  • Methods, systems and devices for calibrating and optimizing glucose sensors and sensor outputs
  • Methods, systems and devices for calibrating and optimizing glucose sensors and sensor outputs

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Embodiment Construction

[0185] In the following description reference is made to the accompanying drawings which form a part hereof and which illustrate several embodiments of the invention. It is to be understood that other embodiments may be utilized and structural and operational changes may be made without departing from the scope of the present invention.

[0186] The present invention is described below with reference to example flowchart illustrations of methods, systems, apparatus, apparatus, and programming and computer program products. It will be understood that each block of the example flowcharts, and combinations of blocks in the example flowcharts, can be implemented by programming instructions, including computer program instructions (as may be described in the figures as any menu screen). These computer program instructions can be loaded into a computer or other programmable data processing apparatus (eg, a controller, microcontroller or processor in a sensor electronics device) to p...

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Abstract

Continuous glucose monitoring systems can utilize external source information related to the user's physiological state and surrounding environment to externally calibrate sensor glucose measurements. May utilize external sources of factory calibration information generated by comparing metrics obtained from data used to produce the sensor's glucose detection algorithm with similar data obtained from each batch of sensors used in the algorithm in the future . The output sensor glucose value of the glucose sensor can also be estimated by analyzing the optimized input sensor signal to accurately correct for changes in sensitivity, break-in time, glucose current drop, and other variable sensor wear effects. The foregoing can be achieved using correction factors, fusion algorithms, EIS, and advanced ASICs to achieve the goal of increased accuracy and reliability without the need for glucose calibration, and to provide calibration-free or near-calibration-free sensors.

Description

[0001] Related application information [0002] This application claims the benefit of US Provisional Application No. 62 / 558,248, filed September 13, 2017, the entire contents of which are hereby incorporated by reference herein. technical field [0003] The present technology relates generally to sensor technology, including sensors for detecting various physiological parameters (eg, glucose concentration), and can eliminate the need for blood glucose (BG) calibration for calibration-free or near-calibration-free glucose detection systems, devices, and methods. Background technique [0004] In recent years, a variety of sensors have been developed for the detection and / or quantification of specific agents or compositions in a patient's blood, which enable patients and medical personnel to monitor the physiological conditions in the patient's body. For example, a subject may wish to continuously monitor blood glucose levels in their body. Therefore, glucose sensors have be...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/145A61B5/1486A61B5/1468A61B5/00
CPCA61B5/14532A61B5/14546A61B5/1455A61B5/1468A61B5/14865A61B5/1495A61B5/0075A61B5/02055A61B5/021A61B5/024A61B5/1118A61B5/6849A61B5/686A61B5/7203A61B5/7221A61B5/7267A61B5/742G01N27/026G06N20/10G06N3/084G06N3/126G06N5/022G16H20/17G16H40/40G16H50/30G16H50/70A61B2505/07A61B2560/0223A61B2560/0252A61B2560/0257A61B2562/028A61B2562/029A61B2562/164G06N5/01
Inventor 彼得·阿杰姆巴基思·诺盖拉杰弗里·西田安迪·Y·察伊布赖恩·T·坎纳尔德迈克尔·E·米勒史蒂文·C·杰克斯安德烈亚·瓦尔萨乌斯基
Owner MEDTRONIC MIMIMED INC