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A blood glucose testing method and device based on octa

A test method and blood sugar technology, applied in the directions of diagnostic recording/measurement, medical science, diagnosis, etc., can solve the problems of changing vascular osmotic pressure, affecting the shape of red blood cells, etc., to achieve the effect of improving accuracy

Active Publication Date: 2022-05-17
ZHEJIANG UNIV
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  • Description
  • Claims
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Problems solved by technology

However, in the area of ​​blood flow, the rise in blood glucose concentration not only affects the above-mentioned refractive index mismatch phenomenon, but also changes the osmotic pressure in blood vessels, which in turn affects the morphology of red blood cells

Method used

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  • A blood glucose testing method and device based on octa
  • A blood glucose testing method and device based on octa
  • A blood glucose testing method and device based on octa

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Embodiment Construction

[0055] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, which form a part of this document. It should be noted that these descriptions and examples are illustrative only, and should not be construed as limiting the scope of the present invention. The protection scope of the present invention is defined by the appended claims, and any changes based on the claims of the present invention All are protection scope of the present invention.

[0056] In order to facilitate the understanding of the embodiments of the present invention, each operation is described as a plurality of discrete operations, however, the order of description does not represent the order in which the operations are performed.

[0057] Embodiments of the present invention are as follows:

[0058] For the three-dimensional space of sample measurement, this description adopts x-y-z three-dimensional space coordinate representation. ...

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Abstract

The invention discloses an OCTA-based blood sugar testing method and device. The present invention performs OCT scanning imaging on the target tissue area at N different time points to obtain the OCT signal of the target tissue area; calculate the scattering coefficient according to the OCT signal characteristics in the depth direction; generate the OCTA blood flow imaging matrix according to the OCT signal characteristics in the time dimension; use the OCTA The blood vessel mask distinguishes the scattering coefficient of the blood flow area and the non-blood flow area; according to the linear fitting relationship between the scattering coefficient of the blood flow area and the non-blood flow area and the blood sugar concentration, a blood sugar monitoring curve is obtained for monitoring the blood sugar concentration. While realizing non-invasive blood sugar monitoring based on OCT, the present invention can use OCTA to guide the selection of target regions in the tested tissue, and effectively improve the accuracy of the OCT non-invasive blood sugar detection technology.

Description

technical field [0001] The invention relates to a blood sugar testing method and device in the field of non-invasive monitoring of blood sugar concentration, in particular to an OCTA-based blood sugar testing method and device. Background technique [0002] Diabetes is a metabolic disease characterized by abnormal blood sugar levels. With the improvement of people's living standards, the incidence of diabetes continues to increase. It is estimated that by 2045, there will be about 700 million diabetics worldwide. However, the current treatment methods for diabetes are very limited, and patients need long-term oral medication or insulin injection to intervene in blood sugar, so as to control the progression of the disease. For diabetic patients, self-blood glucose needs to be monitored frequently based on fingertip blood sampling throughout the day. This invasive blood glucose testing method greatly affects the quality of life of diabetic patients. [0003] In recent years...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/1455A61B5/00
CPCA61B5/1455A61B5/14532A61B5/7203A61B2560/0233
Inventor 李鹏刘开元
Owner ZHEJIANG UNIV
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