Serial dual-infrared spectrum noninvasive blood sugar measuring device

Abstract

The invention discloses a noninvasive blood sugar measuring device adopting serial dual-infrared spectrum detection and analysis, belongs to the fields of optical measurement and novel medical detection devices, and especially relates to noninvasive human body blood sugar detection. The device is mainly composed of a broadband infrared light source, a double-optical filter switcher, an infrared photoelectric sensor, a signal acquiring and processing circuit and the like. The device adopts a transmission spectrum measurement way; a light beam emitted by the broadband infrared light source is irradiated on relevant parts of a human body to be tested, such as fingertips and palms, penetrates through human body tissues, reacts with blood, and then enters the double-optical filter switcher; andthe double-optical filter switcher adopts a serial working mode, and allows light beams with two different wavelengths to go through an optical filter and then received by the unit infrared photoelectric sensor. The signal acquiring and processing circuit converts the electrical signal of the infrared photoelectric sensor into a digital signal, and analyzes and calculates the signals of the two different wavelengths to finally obtain human body blood sugar concentration information.

Description

Technical field [0001] The invention belongs to the field of photometric and spectral measurement and new medical detection instruments, and particularly relates to non-invasive human blood glucose detection technology. Background technique [0002] Traditional blood glucose testing or monitoring technologies mostly use so-called "invasive" measurement methods. This type of method requires frequent blood draws or finger pricks to collect blood during the measurement process, and then analyze the blood, which brings great consequences to patients Pain and inconvenience, while increasing the chance of infection. In addition, the traditional "invasive" measurement method has the following shortcomings: (1) It is inconvenient to perform multiple continuous measurements, which brings difficulties to continuous blood glucose monitoring. (2) Consumables such as blood glucose test strips are needed in the measurement process, which increases the use cost, which brings a lot of inconveni...

AI Technical Summary

Problems solved by technology

[0002] Most of the traditional blood sugar detection or monitoring technologies use the so-called "invasive" measurement methods, which require frequent blood draws or finger pricks to take blood, and then analyze the blood, which brings great harm to patients. Painful and inconvenient, with increased chance of infection

In addition, the traditional "invasive" measurement method also has the following disadvantages: (1) It is not convenient for multiple continuous measurements, which brings difficulties to the continuous monitoring of blood glucose

(2) Consumables such as blood glucose test strips are needed during the measurement process, which increases the cost of use, which brings a lot of inconvenience and economic burden to the majority of patients

Images