A kind of Multifunction life sign detecting system and its working method
Technical field
The present invention relates to a kind of Multifunction life sign detecting system and its working methods, belong to national two class medical monitorings
Instrument technology field.
Background technology
Currently, in China and the other every countries in the world, more and more crowds are by various long-term and diseases of going slowly
Puzzlement, such as hypertension, cardiac arrhythmias, coronary heart disease, diabetes etc..These diseases increase stroke risk, lead to glycosuria
A large amount of generations of disease syndrome, also, do not had due to lacking consciousness or difficult diagnosis by many patients that this situation perplexs
Obtain it is appropriate, timely treat.For a long time, the portable medical data collector ratified due to lacking medicine prison, patient and doctor
Raw is difficult to be monitored in real time to vital sign parameter, to provide symptom enlightenment, avoids seriously affecting health.
In actual life, the detection of patient's items vital sign is particularly troublesome, wastes a lot of manpower and material resources financial resources, example
Such as, in hospital ward and outpatient service, slight clinical thermometer also eggheadedness.In ward, each is given in the daily touring ward of nurse
It needs the patient (such as fever patient) for monitoring body temperature to send out clinical thermometer, allows patient to be clipped in oxter ten minutes, nurse comes to the time
Clinical thermometer is collected, body temperature is read, then writes down temperature data.The patient of fever needed every a few houres, or even per every other hour
Survey a body temperature.In outpatient service, equally patient is given to send out clinical thermometer, patient is allowed to be clipped in oxter ten minutes, to time nurse by body temperature number
According to being recorded on patient medical history, case history gives patient, and then patient continues to wait to see the doctor.It can be seen that only body temperature manages this work just
Many times are occupied.
In recent years, the operation interface of mobile device application becomes increasingly to be easy to use, and computing capability is stronger and stronger, because
This continues to bring out the mobile application applied to health field.However, this kind of application of the overwhelming majority can only be referred to as mobile application, and
It is not portable medical data collector and the App applications of medical instrument rank, it is meant that the data that these applications capture can only be made
To come from the preliminary judgement of wearable device, patient needs the medical instrument reviewing party for further receiving CFDA approvals to can get phase
The vital sign data of pass.
In the prior art, it can not achieve and polylith chip, electronic component, medicine module be integrated on one piece of PCB;Also,
The support of distinctive algorithm, medical data base is needed, electric signal could be converted into meeting the medical digital that CFDA registrations require
Signal;In addition, it is also necessary to the signal interference between solving the problems, such as, and how to be effectively stacked on component one piece small
On small PCB, and effectively solve the problems, such as battery power consumption.The above problem does not all solve in the prior art.
Chinese patent literature 102016937A discloses the survey of the Multifunction life sign equipped with central data processing system
Measure equipment, the multifunctional equipment for measuring user's life data such as weight, height, body fat index and blood pressure.This equipment
Platform including being used to support user, the equipment for sending out ultrasonic beam He receiving reflecting bundle, the equipment for measuring blood pressure,
Keyboard and for providing help information and showing the display of result, the also means of payment.The equipment further includes for clearly
The digital finger-print read head for identifying user, is connected to together with including entry/exit inside configuration data processing equipment and is connected with equipment
Same computer or be connected to remote computer to form central database, can be with the original computer that is connected with equipment
It accesses and can also be accessed from other outer computers by internet.But the patent formula realizes that detection function is single,
Volume heaviness not Portable belt.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of Multifunction life sign detecting systems;
The present invention also provides the working methods of above-mentioned Multifunction life sign detecting system;
Term is explained:
1, ECG, electrocardiogram;
2, SpO2, blood oxygen saturation;
3, TC, total cholesterol;
4, AHA databases, American Heart Association's database, for assessing heart ventricle arrhythmia detector;
5, MIT databases, the cardiac arrhythmia database of-Beth Israel hospitals of the Massachusetts Institute of Technology;
6, NST databases, noise suppressed test database;
7, CU databases, crith university's duration heart ventricle arrhythmia database;
8, Mennen algorithms are a kind of algorithms of detection arrhythmia cordis;
9, AFE, AFE(analog front end);
10, APP, application program.
The technical scheme is that:
A kind of Multifunction life sign detecting system, including sequentially connected Multifunction life sign detection plate, movement are eventually
End, cloud server, the data processing centre;
The Multifunction life sign detection plate shows people for detecting human body vital sign data, in the mobile terminal
Body vital sign data, and it is sent to the cloud server in real time;Human body vital sign data include single lead electrocardio
Figure, blood oxygen saturation, heart rate, body temperature, body fat, chemical functional index, chemical functional index include blood glucose, uric acid, total cholesterol
Deng;
It after the cloud server receives human body vital sign data, is stored, and is sent to the data in real time
Processing center;
The data processing centre analyzes human body vital sign data, provides analysis result, and feeds back to described
Mobile terminal is shown.
User carries out medicine test by Multifunction life sign detection plate, transmits data to storage when performing a test
The cloud server of data transfers data to call center or third party, these third parties wish to receive test result notice,
If it is desired, call center can contact individual to obtain further instruction.
Multifunction life sign detection plate provides healthy solution, user end to end and is examined by Multifunction life sign
Sensor measurement his/her vital sign on drafting board.The data of measurement can safely be transferred to cloud server and be deposited
Storage and analysis.The user for having subscribed one of service option can check the historical data retrieved from rear end (by using shifting
Special App in dynamic terminal), and the medical treatment for tending to him in any particular moment measures.In addition, data can be wanted according to user
It asks and shares with third party (call center, doctor, household etc.).User can also use portal website or telephony application to access
His medical data.User can check that the medical data for obtaining the other users that they ratify, the approval can be set in equipment
It is configured in setting.
According to currently preferred, Multifunction life sign detection plate includes microcontroller and connects with the microcontroller
Chemical functional Indexs measure module, temperature check module, ECG detection modules, SpO2 detection modules, the communication module connect;
Processing of the microcontroller for data and image;
The chemical functional Indexs measure module includes blood glucose, urine for measuring chemical functional index, chemical functional index
Acid, total cholesterol etc.;
The temperature check module is sent to the microcontroller for measuring skin temperature;
The ECG detection modules are for obtaining electrocardiogram, heart rate;
The SpO2 detection modules are for measuring blood oxygen saturation;
The communication module is used to the human body vital sign data of measurement being sent to the mobile terminal.
According to currently preferred, the chemical functional Indexs measure module, the temperature check module pass through string respectively
Line interface is connect with the microprocessor.
It is further preferred that the temperature check module is connect by I2C interface with the microprocessor respectively.Body temperature is examined
It surveys the skin temperature that measures of module and microcontroller is transferred to by I2C interface, microcontroller manages temperature taking process, and by skin
Skin temperature transition is at body temperature.
According to currently preferred, the model STM32ARM of the microcontroller;
Model GUC-1 3IN1 or the Benecheck 3IN1Plus of the chemical functional Indexs measure module;
The module for the above-mentioned instrument for having obtained medicine prison approval by integrated multiple star diagnosis is completed to examine by electrochemical detection method
After survey, test result is shown on mobile terminals, and upload cloud server, the heart completes data analysis in data handling.
Benecheck 3IN1Plus include test strips insert port, PCB, microprocessor controller (ATMEL XMEGA32).
The temperature check module is infrared radiation thermometer;
Come measuring temperature, this sets infrared energy of the infrared radiation thermometer by detection temperature higher than the material transmitting of absolute zero
Meter includes the lens that infrared (IR) radiation is focused on to detector, which converts energy into becomes by compensation environment temperature
The electric signal that can be indicated with temperature unit after change.The parts IR that electromagnetic spectrum measures are from 0.7 μm to 20 μm.IR thermometers must
It must filtering IR signals and the output of amplification detection device.Selective spectral response helps avoid atmospheric water, the interference of CO2 and H2O.
The model TI ADS1291 of the ECG detection modules;
The model LR-HK-A16 of the SPO2 detection modules;
The communication module is Bluetooth communication modules, model Microchip BM71.
According to currently preferred, the chemical functional Indexs measure module includes blood glucose measurement controller, uric acid measurement
Controller, total cholesterol Mersure Controler, the blood glucose measurement controller, the uric acid measurement controller, the total cholesterol
Mersure Controler connects the microcontroller by three line UART interfaces respectively.Three line UART interfaces are received from microcontroller
Order, setting, and testing result is sent into microprocessor.
According to currently preferred, the ECG detection modules include data sampling circuit, digital signal processing circuit, mould
Quasi- front-end A/D S, storage circuit, display circuit;
Data sampling circuit includes two ECG electrode pieces, the electrocardiosignal for extraction;Digital signal processing circuit includes
The electrocardiosignal of high-pass filter, low-pass filter with gain control, amplitude limiter circuit, extraction contains various noises and does
It disturbs, and electrocardiosignal itself has larger variability so that electrocardiosignal is easy to be flooded or be distorted by noise,
For eliminating high frequency noise and overvoltage protection in electrocardiosignal;Inhibit various interference, accurately extract electrocardiosignal, is the heart
Being further processed for electric signal is ready.If signal incoming signal level is less than 0.5mV, microcontroller may be by gain
Improve 2.5 times.Storage circuit, display circuit for store, electrocardiosignal and heart rate after display processing.
The SpO2 detection modules are made of optical module (LED and photodiode) and AFE (AFE(analog front end)) module.PG
LED controller stablizes the intensity of R/IR LED, keeps LED current appropriate.It is visited with the photoelectricity of trans-impedance amplifier and integrator
Device is surveyed to prepare to be used for digitized PPG signals.
It is further preferred that the mobile terminal is mobile phone.Medical applications App is mounted on Android or iOS intelligence
On mobile phone.
The working method of above-mentioned Multifunction life sign detecting system, including:
(1) the Multifunction life sign detection plate detects human body vital sign data;Human body vital sign data include
Single lead electrocardiogram, blood oxygen saturation, heart rate, body temperature, body fat, chemical functional index, chemical functional index include blood glucose, urine
Acid, total cholesterol;
(2) the human body vital sign data that step (1) detects the mobile terminal is sent in real time to show, and by its
It is sent to the cloud server in real time;
(3) it after the cloud server receives human body vital sign data, is stored, and is sent to the number in real time
According to processing center;
(4) data processing centre analyzes human body vital sign data, provides analysis result, if blood glucose is in mistake
It goes one week, a month equal detection curve, whether ECG is normal or abnormal etc., and feeds back to the mobile terminal and shown.
According to currently preferred, the Multifunction life sign detection plate detection human body vital sign data, including:
Chemical functional index is measured by the chemical functional Indexs measure module;
Body temperature is measured by the temperature check module;
Electrocardiogram, heart rate are obtained by the ECG detection modules;
Blood oxygen saturation is measured by the SpO2 detection modules;
Body fat is measured by the body fat inspection software.
When detection, it is only necessary to the hands hold Multifunction life sign detecting system, left hand thumb and forefinger contact one
Another ECG electrode piece of a ECG electrode on piece, right hand thumb and forefinger contact, you can detection electrocardiogram, heart rate and body fat,
Blood oxygen extruding plate is opened, by the LED light emitter by index finger to positive blood oxygen detector, you can detection blood oxygen;It is left to detect back
The probe for detecting temperature at upper angle is placed on forehead, you can detection body temperature.
According to currently preferred, electrocardiogram, heart rate are obtained by ECG detection modules, including:
A, thumb, index finger are contacted two ECG electrode pieces, lead ECG detection modules (1L) by user respectively;
B, the ECG detection modules detection obtains electrocardiogram, and the electrocardiogram is sent to the mobile terminal and is shown;
C, it is assessed by Mennen algorithms with four standard ecg databases in the data processing centre, obtains the heart
Electrograph is normal or the conclusion of electrocardiographic abnormality;Four standard ecg databases include AHA databases, IT databases, NST databases,
CU databases;
D, the ECG waveform of the electrocardiogram obtained by step (3) calculates heart rate.
According to currently preferred, photoplethysmography is used by the SPO2 detection modules
Photoplethysmography measures blood oxygen saturation.
When specific measurement, light emitting diode (LED) is placed on a skin surface, directly to shine into skin.Transmitting
Light usually from red and infrared region (600-1300nm), because of its absorption very little to tissue, to significant detection
Intensity.Some light are transmitted to peripheral arterial by bone and tissue dispersion and absorption, remaining light.Light emitting diode (LED) is same
The photodetector of side detects reflected light.The light absorption of blood is adjusted according to the variation of peripheral blood volume variation.Therefore, PPG pairs
The pulsatile change of measuring point blood vessel blood volume variation is sensitive.Using Photoplethysmography (photoplethysmography)
As a kind of optical technology for continuing monitoring blood volume, the signal of measurement is known as spectrum motion diagram (PPG).
It is identical as detection ECG by body fat inspection software measurement body fat, but input human parameters is needed before detection:Including:
Height Height, weight Weight, gender Sex, age Age detect body fat according to formula, and men and women's calculation formula is different;
It is further preferred that by shown in the specific formula for calculation such as formula (I) of body fat inspection software measurement body fat, (II):
Theoretically, the ratio without the internal water in adipose tissue of body composition tissue is constant, and fat-free group
The specific resistance knitted is constant.In addition, the adipose tissue density of body is higher than fat-free mass.Therefore, it can obtain:
Male's body fat calculation formula, that is, formula (I), (II) are as follows:
LBM=1.7+9.85*Height*Height+0.3737*Weight-Age*0.006-R (I)
BF=(1-LBM/Weight) * 100 (II)
In formula (I), (II), R represents male body resistance, and LBM represents male's median, and BF represents male's body fat, unit
For %;
Obtain constant A with by the correlation between the practical value obtained of underwater weight weighing technique, with determine constant A and
K;
Women body fat calculation formula, that is, formula (III), (IV) are as follows:
LBM1=-2.6+9.85*Height1*Height1+0.3737*Weight1-Age1*0.006-R1 (III)
BF1=(1-LBM1/Weight1) * 100 (IV)
In formula (III), (IV), R1 represents female body resistance, and LBM1 represents women median, and BF1 represents women body fat.
Beneficial effects of the present invention are:
1, Multifunction life sign detecting system of the present invention can be used in hospital or in hospital's external environment to the following of human body
Vital sign and index are monitored:Single lead electrocardiogram, blood oxygen saturation, heart rate, body temperature, body fat, blood glucose, uric acid, total courage
Sterol and other chemical index.Suitable for needing to monitor the patient of above-mentioned vital sign and index because of various acute and chronic diseases,
And wish preferably to hold and manage the health and sub-health population of physical condition.
2, user only needs to carry the mobile phone of detection plate and oneself, after downloading dedicated application program of mobile phone (App), you can
It monitored at any time, everywhere using detection plate, record, store the vital sign data of oneself, and data transmission can shared to oneself
Doctor, nurse and household.
3, the chargeable Reusability of Multifunction life sign detection plate of the present invention, it is contemplated that service life is at least 2 years.
4, Multifunction life sign detection plate of the present invention and its mating application program are according to state food drug surveilance pipe
The standard of two class medical instrument of reason office is come the equipment that designs, registered according to medical instrument registration management method, it is meant that doctor
Business personnel can use the data that Multifunction life sign detection plate measures as diagnosis basis.For example, the application of the present invention can be big
The big time shortened needed for body temperature management, patient can voluntarily complete to measure, and data are automatically transferred to associated terminal for medical care people
Member is analyzed.This application will mitigate the workload of medical staff significantly, improve ward and outpatient service efficiency.In addition blood oxygen
The self-monitoring of the indexs such as saturation degree, electrocardiogram, heart rate and automaticdata transmission, blood glucose, uric acid, the detection data of total cholesterol
Promotion for curative activity efficiency, doctor is to the vital signs of patient and sub-health population, point that country is advocating
Grade diagnosis and treatment, backwoodsman patient's diagnosis but will play immeasurable effect.For acute myocardial infarction, the emergency cases such as apoplexy,
It can play the role of giving first aid in real time.
Description of the drawings
Fig. 1 is the structure diagram of Multifunction life sign detecting system of the present invention;
Fig. 2 is the structure diagram of Multifunction life sign detection plate of the present invention;
Fig. 3 is the functional schematic of Multifunction life sign detection plate of the present invention;
Fig. 4 is the circuit diagram of ECG detection modules of the present invention;
Fig. 5 is the structural schematic diagram of SpO2 detection modules of the present invention.
Specific implementation mode
The present invention is further qualified with embodiment with reference to the accompanying drawings of the specification, but not limited to this.
Embodiment 1
A kind of Multifunction life sign detecting system, as shown in Figure 1, being detected including sequentially connected Multifunction life sign
Plate, mobile terminal, cloud server, data processing centre;
Multifunction life sign detection plate shows human life body for detecting human body vital sign data, in mobile terminal
Data are levied, and it is sent to cloud server in real time;Human body vital sign data include single lead electrocardiogram, blood oxygen saturation
Degree, heart rate, body temperature, body fat, chemical functional index, chemical functional index include blood glucose, uric acid, total cholesterol etc.;Cloud service
It after device receives human body vital sign data, is stored, and is sent to the data processing centre in real time;Data processing centre
Human body vital sign data are analyzed, analysis result is provided, and feeds back to the mobile terminal and is shown.
User carries out medicine test by Multifunction life sign detection plate, transmits data to storage when performing a test
The cloud server of data transfers data to call center or third party, these third parties wish to receive test result notice,
If it is desired, call center can contact individual to obtain further instruction.
Multifunction life sign detection plate provides healthy solution, user end to end and is examined by Multifunction life sign
Sensor measurement his/her vital sign on drafting board.The data of measurement can safely be transferred to cloud server and be deposited
Storage and analysis.The user for having subscribed one of service option can check the historical data retrieved from rear end (by using shifting
Special App in dynamic terminal), and the medical treatment for tending to him in any particular moment measures.In addition, data can be wanted according to user
It asks and shares with third party (call center, doctor, household etc.).User can also use portal website or telephony application to access
His medical data.User can check that the medical data for obtaining the other users that they ratify, the approval can be set in equipment
It is configured in setting.
Embodiment 2
According to a kind of Multifunction life sign detecting system described in embodiment 1, difference lies in as shown in Fig. 2, more work(
Energy vital sign detection plate includes microcontroller and the chemical functional Indexs measure module being connect with the microcontroller, body temperature
Detection module, ECG detection modules, SpO2 detection modules, communication module, power module;
As shown in figure 3, processing of the microcontroller for data and image;Chemical functional Indexs measure module is used for measurementization
Functional parameter is learned, chemical functional index includes blood glucose, uric acid, total cholesterol;Temperature check module is used to measure skin temperature, and
It is sent to the microcontroller;ECG detection modules are for obtaining electrocardiogram, heart rate;SpO2 detection modules are full for measuring blood oxygen
And degree;Communication module is used to the human body vital sign data of measurement being sent to the mobile terminal.Power module is used for it
Its each module provides power supply.
Chemical functional Indexs measure module, temperature check module are connect by serial line interface with the microprocessor respectively.
Temperature check module is connect by I2C interface with the microprocessor respectively.The skin temperature that temperature check module measures passes through
I2C interface is transferred to microcontroller, and microcontroller manages temperature taking process, and skin temperature is converted into body temperature.
Embodiment 3
A kind of Multifunction life sign detecting system according to embodiment 2, difference lies in,
The model STM32ARM of microcontroller;
Model GUC-1 3IN1 or the Benecheck 3IN1Plus of chemical functional Indexs measure module;By integrated multiple
The module that star diagnosis has obtained the GUC-1 3IN1 instruments of medicine prison approval is completed by electrochemical detection method after detecting, and test is tied
Fruit shows on mobile terminals, and uploads cloud server, and the heart completes data analysis in data handling.Benecheck
3IN1Plus includes test strips insert port, PCB, microprocessor controller (ATMEL XMEGA32).Chemical functional Indexs measure module
It is the blood glucose measurement controller, described including blood glucose measurement controller, uric acid measurement controller, total cholesterol Mersure Controler
Uric acid measurement controller, the total cholesterol Mersure Controler connect the microcontroller by three line UART interfaces respectively.Three
Line UART interface receives order, setting from microcontroller, and testing result is sent microprocessor.
Temperature check module is infrared radiation thermometer;Infrared radiation thermometer is emitted by detecting temperature higher than the material of absolute zero
Infrared energy carry out measuring temperature, which includes that infrared (IR) radiation is focused on the lens of detector, which will
Amount is converted to the electric signal that can be indicated with temperature unit after by compensation variation of ambient temperature.The portions IR that electromagnetic spectrum measures
Point from 0.7 μm to 20 μm.IR thermometers must filter IR signals and the output of amplification detection device.Selective spectral response helps to keep away
Exempt from atmospheric water, the interference of CO2 and H2O.
The model TI ADS1291 of ECG detection modules;As shown in figure 4, including data sampling circuit, Digital Signal Processing
Circuit, AFE(analog front end) ADS, storage circuit, display circuit;
Data sampling circuit includes two ECG electrode pieces, the electrocardiosignal for extraction;Digital signal processing circuit includes
The electrocardiosignal of high-pass filter, low-pass filter with gain control, amplitude limiter circuit, extraction contains various noises and does
It disturbs, and electrocardiosignal itself has larger variability so that electrocardiosignal is easy to be flooded or be distorted by noise,
For eliminating high frequency noise and overvoltage protection in electrocardiosignal;Inhibit various interference, accurately extract electrocardiosignal, is the heart
Being further processed for electric signal is ready.If signal incoming signal level is less than 0.5mV, microcontroller may be by gain
Improve 2.5 times.Storage circuit, display circuit for store, electrocardiosignal and heart rate after display processing.ECG detection module masters
It to be made of with the relevant primary control program of function and each function subprogram bottom hardware driver and upper layer.
The model LR-HK-A16 of SPO2 detection modules;As shown in figure 5, by optical module (LED and photodiode) and
AFE (AFE(analog front end)) module forms.PG LED controllers stablize the intensity of R/IR LED, keep LED current appropriate.With across
The photodetector of impedance amplifier and integrator prepares to be used for digitized PPG signals.
Communication module is Bluetooth communication modules, model Microchip BM71.
Mobile terminal is smart mobile phone.Medical applications App is mounted on Android or iOS smart mobile phones.
The present invention passes through lot of experiment validation, it can be achieved that detection range and expected accuracy are as shown in table 1:
Table 1
From the point of view of technological layer, Multifunction life sign detection plate of the present invention be integrated with most advanced, most reliable electrocardiogram,
Heart rate, body temperature and blood oxygen saturation monitoring technology and the chemical functional of medicine prison approval detect module.
In addition, to obtain the certification of the following innovation Medical Instruments, applicant has engaged professional to carry out the present invention
Deep clinical assessment.In evaluation process, the present invention is comparable with existing 5 kinds of market (has clinical, technology and life
Object comparativity) monitoring device compared:Comparing result is as shown in table 2:
Table 2
From table 2 it can be seen that only the present invention being capable of the multiple indexs of monitoring of equipment.The medical hand of Chinese Enterprise invention
Machine, wearable device still have gap on precision, such as red bird medical treatment mobile phone, are not supervised and are detected by medicine, obtain registration certificate.
In evaluation process, the clinical data that these equipment manufacturers deliver, and facing from pertinent literature are acquired
Bed data.Assessment finds that this kind of monitoring and recording instrument is safe and accurate, effective, can residential use, allow outlying district crowd to obtain
Preferably monitoring.
Embodiment 4
According to a kind of working method of Multifunction life sign detecting system described in embodiment 3, including:
(1) Multifunction life sign detection plate detects human body vital sign data;Human body vital sign data include singly leading
Join electrocardiogram, blood oxygen saturation, heart rate, body temperature, body fat, chemical functional index, chemical functional index includes blood glucose, uric acid, total
Cholesterol;Including:Chemical functional index is measured by chemical functional Indexs measure module;Body is measured by temperature check module
Temperature;Electrocardiogram, heart rate are obtained by ECG detection modules;Blood oxygen saturation is measured by SpO2 detection modules;It is detected by body fat
Software measures body fat.
When detection, it is only necessary to the hands hold Multifunction life sign detecting system, left hand thumb and forefinger contact one
Another ECG electrode piece of a ECG electrode on piece, right hand thumb and forefinger contact, you can detection electrocardiogram, heart rate and body fat,
Blood oxygen extruding plate is opened, by the LED light emitter by index finger to positive blood oxygen detector, you can detection blood oxygen;It is left to detect back
The probe for detecting temperature at upper angle is placed on forehead, you can detection body temperature.
(2) the human body vital sign data that step (1) detects are sent to mobile terminal in real time to show, and in real time by it
It is sent to cloud server;
(3) it after cloud server receives human body vital sign data, is stored, and is sent to Data processing in real time
The heart;
(4) data processing centre analyzes human body vital sign data, provides analysis result, if blood glucose was in the past one
In week, a month equal detection curve, whether ECG is normal or abnormal etc., and feeds back to mobile terminal and shown.Data processing
Human body vital sign data are analyzed at center, provide analysis result, including:The Mennen rhythms of the heart are used to the electrocardiogram of upload
Not normal detection algorithm, and AH, MIT are combined, NST and CU databases are analyzed, this algorithm is to the previous generation Mennen nineties
The upgrading of algorithm, to adapt to new DSP technical merits.In the past ten years, which has obtained further development, to realize
More complicated algorithm and raising detection quality provides new possibility.The algorithm has been inserted into multiple equipment, and needs
It is tested again according to newer suggestion.
Test is automation, it is meant that all assessments are all repeatable, and be can be completed without manual intervention.Often
A record is continuously provided to, by method of determining and calculating, not need rewinding or " F.F. " from the beginning to the end.
Digitized ECG signal from data-base recording will not be in any way before as by method of determining and calculating input presentation
It is pre-processed.The algorithm can be compiled as necessary sample rate and amplitude gain.Compare for deriving QRS sensibility by fighting
(QRS Se), QRS positive predictions (QRS+P).
The respective algorithms measured value generated with every 0.125 second to the reference heart rate measurements that each annotation beat calculates carries out
Compare.Consistency is found using the beat locations for being converted to algorithm measurement number.Comparison result indicates that measurement error is expressed as joining
Examine the percentage of the average value of heart rate measurements.
The output of the algorithm is formed as the time location and its type and a series of heart rate measurements of a series of beats.This
Outside, the output of algorithm is recorded in comment file (" test comment file ") with the identical format of reference comment file with the record
In.By fight compare compare with HR measurements be following testing tool functions a part.It is equal to program " bxb ", " rxr ", " history
The function module of the testing tool of poem " and " mxm " can be used for executing the comparison comment file between test and refer to comment file.
Electrocardiogram, heart rate are obtained by ECG detection modules, including:
A, thumb, index finger are contacted two ECG electrode pieces, lead ECG detection modules (1L) by user respectively;
B, the ECG detection modules detection obtains electrocardiogram, and the electrocardiogram is sent to the mobile terminal and is shown;
C, it is assessed by Mennen algorithms with four standard ecg databases in the data processing centre, obtains the heart
Electrograph is normal or the conclusion of electrocardiographic abnormality;Four standard ecg databases include AHA databases, IT databases, NST databases,
CU databases;
D, the ECG waveform of the electrocardiogram obtained by step (3) calculates heart rate.
Blood oxygen saturation is measured using photoplethysmography Photoplethysmography by SpO2 detection modules.
When specific measurement, light emitting diode (LED) is placed on a skin surface, directly to shine into skin.Transmitting
Light usually from red and infrared region (600-1300nm), because of its absorption very little to tissue, to significant detection
Intensity.Some light are transmitted to peripheral arterial by bone and tissue dispersion and absorption, remaining light.Light emitting diode (LED) is same
The photodetector of side detects reflected light.The light absorption of blood is adjusted according to the variation of peripheral blood volume variation.Therefore, PPG pairs
The pulsatile change of measuring point blood vessel blood volume variation is sensitive.Using Photoplethysmography (photoplethysmography)
As a kind of optical technology for continuing monitoring blood volume, the signal of measurement is known as spectrum motion diagram (PPG).
It is identical as detection ECG by body fat inspection software measurement body fat, but input human parameters is needed before detection:Including:
Height Height, weight Weight, gender Sex, age Age detect body fat according to formula, and men and women's calculation formula is different;
Shown in the specific formula for calculation such as formula (I) of body fat inspection software measurement body fat, (II):
Theoretically, the ratio without the internal water in adipose tissue of body composition tissue is constant, and fat-free group
The specific resistance knitted is constant.In addition, the adipose tissue density of body is higher than fat-free mass.Therefore, it can obtain:
Male's body fat calculation formula, that is, formula (I), (II) are as follows:
LBM=1.7+9.85*Height*Height+0.3737*Weight-Age*0.006-R (I)
BF=(1-LBM/Weight) * 100 (II)
In formula (I), (II), Height represents male's height, and Weight represents male's weight, and Sex represents gender male,
Age represents men age, and R represents male body resistance, and LBM represents male's median, and BF represents male's body fat, unit %;
Obtain constant A with by the correlation between the practical value obtained of underwater weight weighing technique, to determine constant A and K;
Women body fat calculation formula, that is, formula (III), (IV) are as follows:
LBM1=-2.6+9.85*Height1*Height1+0.3737*Weight1-Age1*0.006-R1 (III)
BF1=(1-LBM1/Weight1) * 100 (IV)
In formula (III), (IV), Height1 represents women height, and Weight1 represents women weight, and Sex1 represents gender female
Property, Age1 represent female age, and R1 represents female body resistance, and LBM1 represents women median, and BF1 represents women body fat.
The comparison of the used technology of Multifunction life sign detection plate and common/cutting edge technology, refers to table 3.
Table 3
Present invention employs a large amount of new technologies, new method has been done a large amount of basic research, laboratory demonstration, test, and has been taken
Obtained encouraging result.