Summary of the invention
The invention provides Noninvasive Blood Glucose Detection Methods based on Bioelectrical impedance analysis and device thereof；By analyzing the feature of the exchange bio-electrical impedance of multifrequency point, extract glycemic parameters；The method, without blood sampling, is therefore Non-invasive detection.
The above-mentioned purpose of the present invention is achieved by the following technical solutions:
1. as it is shown in figure 1, Noninvasive Blood Glucose Detection Methods based on Bioelectrical impedance analysis and device thereof include " human body skin 1 ", " electrode 2-1 ", " electrode 2-2 ", " electrode 3-1 ", " electrode 3-2 ", " bio electricity generation module 4 ", " bio electricity receiver module 5 ", " signal processing module 6 ", " processor 7 ", " display screen 8 ", " wireless communication module 9 ", " other modules 10 ".
2. as it is shown in figure 1, described " electrode 2-1 ", " electrode 2-2 ", " electrode 3-1 ", " electrode 3-2 " contact with described " human body skin 1 "；Wherein " electrode 2-1 " and " electrode 2-2 " is bio electricity exciting electrode, by two electrodes to the exchange small area analysis I of human body skin excitation difference；" electrode 3-1 " and " electrode 3-2 " is that bio electricity receives electrode, by the alternating voltage V of difference between electrode collection " electrode 3-1 " and " electrode 3-2 ".
3., as it is shown in figure 1, described " bio electricity generation module 4 " and " electrode 2-1 ", " electrode 2-2 " is respectively connected with, " bio electricity generation module 4 " is to " electrode 2-1 ", the exchange small area analysis I of " electrode 2-2 " release difference.
4., as it is shown in figure 1, described " bio electricity receiver module 5 " and " electrode 3-1 ", " electrode 3-2 " is respectively connected with, " bio electricity receiver module 5 " passes through " electrode 3-1 ", the exchange small voltage V of " electrode 3-2 " collection difference.
The most as shown in Figure 1, described " signal processing module 6 " is connected with " bio electricity receiver module 5 ", the exchange small voltage V received was entered the analogue signal after amplification, filtering etc. process and sent into " signal processing module 6 " by " bio electricity receiver module 5 ", " signal processing module 6 " carries out analog digital conversion and is converted into digital signal signal, then digital signal is carried out algorithm process.
6. as it is shown in figure 1, described " processor 7 " is connected with " signal processing module 6 ", carry out bidirectional data interaction, and " signal processing module 6 " is controlled by " processor 7 ".
7. as it is shown in figure 1, described " processor 7 " is connected with " bio electricity generation module 4 ", carry out bidirectional data interaction, and " bio electricity generation module 4 " is controlled by " processor 7 ".
8., as it is shown in figure 1, described " display screen 8 " is connected with " processor 7 ", " processor 7 " is to " display screen 8 " transmitting display data, and " display screen 8 " is controlled by " processor 7 ".
9. as it is shown in figure 1, described " wireless communication module 9 " is connected with " processor 7 ", carry out bidirectional data interaction, and " wireless communication module 9 " is controlled by " processor 7 ".
10., as it is shown in figure 1, described " wireless communication module 9 " communicates wirelessly with extraneous wireless communication terminal, the sensing datas such as blood glucose are transferred out, and receives the control of wireless communication terminal.
" wireless communication module 9 " described in 11. includes but are not limited to bluetooth module, GPRS module, 3G module, 4G module, WiFi module etc..
12., as it is shown in figure 1, described " other modules 10 " is connected with " processor 7 ", carry out bidirectional data interaction, and " other modules 10 " is controlled by " processor 7 ".
" wireless communication module 9 " described in 13. includes but are not limited to GPS module, USB charging module, wireless charging module, lithium battery module, rhythm of the heart module, monitoring of pulse module, monitoring of blood pressure module, oxygen saturation monitor module, temperature monitoring module, cardioelectric monitor module etc..
The principle of the present invention
The Noninvasive Blood Glucose Detection Methods based on Bioelectrical impedance analysis of the present invention and the principle of device thereof are, by producing the exchange small area analysis I of constant current size, discharged to human body skin by " electrode 2-1 " and " electrode 2-2 ", " electrode 3-1 " and " electrode 3-2 " gathers voltage difference V between two electrodes, four electrodes are high resistance electrode, then the bio-electrical impedance Z=V/I between " electrode 3-1 " and " electrode 3-2 ".Blood sugar contents different in blood of human body can cause the difference of bio-electrical impedance Z, but other factors will also result in the difference of bio-electrical impedance Z, therefore by the bioelectric measurement of different frequency, obtain the multiple bio-electrical impedance Z under different frequency, such that it is able to reject the impact of other factors, and obtain the blood sugar content in blood of human body number, it is achieved Woundless blood sugar monitor.
Advantages of the present invention
It is an advantage of the current invention that, traditional blood sugar detecting method based on skin blood sampling is changed into Noninvasive Blood Glucose Detection Methods, and make its wearableization, pass through communication, between Wearable non-invasive glucose monitor, Wireless Telecom Equipment and mobile Internet three, establish data exchange channels, therefore there is advantage widely:
1. Consumer's Experience is good；
2. application service is many；
3., based on Wireless Telecom Equipment (such as mobile phone etc.) and the powerful software and hardware resources of mobile Internet cloud server, computing capability, data-handling capacity, the disposal ability of sensing data can be obviously improved；
4. data sharing, data interaction, data network；
5. provide basic data support for portable medical and tele-medicine.