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Apparatus and method for predicting a parameter in the blood stream of a subject

A technology of subjects and parameters, applied in the field of predicting the level of glycosylated hemoglobin (HbAlc) of individuals, which can solve the problems such as non-existence

Inactive Publication Date: 2013-06-05
GLUCOSTATS SYST PTE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Currently there is no comprehensive method for the non-invasive detection of subjects and the prediction of HbA1c levels, and furthermore, there is no way to predict the level of HbA1c in subjects without some form of calibration required between each individual subject. means of HbAlc levels in the

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  • Apparatus and method for predicting a parameter in the blood stream of a subject
  • Apparatus and method for predicting a parameter in the blood stream of a subject

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Embodiment Construction

[0036] According to an embodiment of the present invention, such as figure 2 As shown, there is an apparatus 10 for predicting parameters in the blood flow of a subject 12 comprising: a laser diode source 14 ; a first optical receiver 16 ; a second optical receiver 18 ; and a processor 20 .

[0037] The laser diode source 14 comprises two laser diodes 14a, 14b. Each laser diode 14a, 14b is in data communication with a processor 20 . Each laser diode 14a, 14b is controlled by the processor 20 to generate infrared radiation of a particular wavelength.

[0038] The first optical receiver 16 is an optical lens pair and the second optical receiver 18 is an optical probe. The first optical receiver 16 and the second optical receiver 18 are spaced apart such that a desired part of the subject 12 , in this case a finger, can be inserted therebetween. It should be appreciated that other suitable portions of subject 12 may be used, such as toes.

[0039] The first optical receiver 1...

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Abstract

An apparatus and method for predicting a parameter in the blood stream of a subject is disclosed. The apparatus comprises a laser diode source arranged to emit light of at least two different wavelength; a first optical receiver arranged to receive incident light of the two different wavelength where the subject is not present; a second optical receiver arranged to receive transmitted or diffuse reflected light of the two different wavelength when a desired part of the subject is present; and a processor for calculating the ratio of the intensity of the received transmitted or diffuse reflected light to incident light for each of the at least two different wavelengths to provide an indication of the parameter in the blood stream of the subject. The apparatus and method are particularly suited for measuring HbA1c in an individual.

Description

technical field [0001] The present invention relates to an apparatus and method for predicting blood flow parameters of a subject. The present invention is particularly suitable for, but not limited to, predicting the level of glycated hemoglobin (HbA1c) in an individual. Background technique [0002] The following discussion of the background of the invention is intended to facilitate an understanding of the present invention. It should be appreciated, however, that the discussion is not an acknowledgment or admission that any of the material mentioned was published, known or part of the common general knowledge as at the priority date of the invention. [0003] Red blood cells in an individual's bloodstream include hemoglobin, which combines with glucose in the blood to form glycated hemoglobin (HbAlc). The reaction of glucose binding to hemoglobin usually occurs over a 10-week period. There is a correlation between glucose levels and HbA1c, typically, the higher the gl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/1455G01N21/25G01N33/49
CPCG01N21/3151G01N21/4738A61B5/1455G01N2021/3595A61B5/14532A61B5/6826G01N2201/0612G01N21/35G01N21/25G01N33/49
Inventor C·M·丁J·H·姚X·张
Owner GLUCOSTATS SYST PTE