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Noninvasive blood glucose assay method and system

A blood glucose measurement and measurement method technology, which is applied in diagnostic recording/measurement, medical science, sensors, etc., can solve the problems of low sensitivity and poor blood glucose measurement accuracy, and achieve high sensitivity, good repeatability, and good specificity of measurement results Effect

Inactive Publication Date: 2015-01-07
ANYCHECK INFORMATION TECH
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Problems solved by technology

[0004] The main purpose of the present invention is to solve the problems of poor measurement accuracy and low sensitivity of existing non-invasive blood glucose methods

Method used

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  • Noninvasive blood glucose assay method and system
  • Noninvasive blood glucose assay method and system
  • Noninvasive blood glucose assay method and system

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Embodiment Construction

[0042] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0043] The invention provides a non-invasive blood glucose measurement method, referring to figure 1 , the method includes the following steps:

[0044] Step 1 S10, determining that the wavelength of the preset position is λ 1 The current absorbance of infrared light B 1 , and then determine the preset position for the wavelength λ 2 The current absorbance of infrared light B 2 ;wherein, 1600nm≤λ 1 ≤2300nm, 1400nm≤λ 2 <1600nm;

[0045] Step 2 S20, according to B 1 , B 2 And the pre-stored initial blood glucose concentration value A 0 , the preset position is λ for the wavelength 1 The initial absorption rate of infrared light A 1 , the preset position is λ for the wavelength 2 The initial absorption rate of infrared light A 2 Calculate the current blood glucose concentration value D 0 .

[0046] D. 0 =...

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Abstract

The invention discloses a noninvasive blood glucose assay method. The method comprises the steps that the current absorption rate B1 of a preset position for infrared light with the wave length of lambda1 is tested, and then the current absorption rate B2 of the preset position for infrared light with the wave length of lambda2 is tested; according to B1, B2, a pre-stored initial blood glucose concentration value A0, the initial absorption rate A1 of the preset position for the infrared light with the wave length of lambda1 and the initial absorption rate A2 of the preset position for the infrared light with the wave length of lambda2, the current blood glucose concentration value D0 is calculated, wherein D0=A0*(B1-B2) / (A1-A2)+k; k is constant, and 0<=k<=0.5. The invention further discloses a noninvasive blood glucose assay system. When the blood glucose concentration of a human body is tested, water interference and human body interference are removed, the assay result is accurate and reliable, repeatability is good, sensitivity is high, and good assay result specificity on the specific test human body is achieved.

Description

technical field [0001] The invention relates to the technical field of blood sugar measurement, in particular to a non-invasive blood sugar measurement method and system. Background technique [0002] In order to avoid complications of diabetes, diabetic patients need to measure and control blood sugar concentration frequently. At present, in our country, most of the methods for measuring blood sugar concentration of diabetic patients are invasive blood glucose meters. Frequent blood sampling for the measurement of blood glucose concentration brings huge economic burden and medical expenses to diabetic patients on the one hand, and also brings great physical and psychological pain and the risk of infection to diabetic patients on the other hand. In order to cope with the above situation, there is an urgent need for a non-invasive rapid measurement system of blood glucose concentration for diabetic patients. [0003] At present, there have been related reports on the use of ...

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Application Information

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IPC IPC(8): A61B5/1455
CPCA61B5/1455A61B5/14532A61B5/0075A61B5/14552
Inventor 张贯京陈兴明葛新科王海荣刘国勇张少鹏樊智辉方静芳徐之艳周亮程金兢徐菊红蒋兴菊杨青蓝刘义肖应芬何晓霞吴彬霞郑慧华唐小浪张世导李潇云侯云超赵学明赵雪竹梁艳妮
Owner ANYCHECK INFORMATION TECH
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