CN104665825A - Portable type low-power consumption three-lead ECG (Electrocardiograph) intelligent monitoring system - Google Patents
Portable type low-power consumption three-lead ECG (Electrocardiograph) intelligent monitoring system Download PDFInfo
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- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
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- A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
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- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
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Abstract
The invention provides a portable type low-power consumption three-lead ECG (Electrocardiograph) intelligent monitoring system. The portable type low-power consumption three-lead ECG intelligent monitoring system comprises a portable type ECG instrument and a mobile terminal, wherein the portable type ECG instrument comprises a collecting electrode module, a signal modulating module, a microprocessor, a Bluetooth communication module and a power supply module. According to the portable type low-power consumption three-lead ECG intelligent monitoring system provided by the invention, three body surface potential signals can be obtained through three extracting electrodes, can be subjected to A/D (Analog to Digital) conversion by the microprocessor after being subjected to filter amplification processing, can be sent to the mobile terminal through the Bluetooth communication module and can be subjected to matching processing by a feature recognition module arranged in the mobile terminal, and ECG state information which is successfully matched can be obtained; meanwhile, three lead signals can be collected and can be matched with pre-stored ECG information data, the ECG information data which are obtained through matching can be more accurate, the number of hardware is less, the structure is simple, the size is small, and the power consumption is low; the portable type ECG instrument can be matched with mobile terminals in different types for work, the universality is strong, the use is convenient, and the portable type ECG instrument is not limited by position.
Description
Technical field
The present invention relates to a kind of medical electronics technique with the apparatus field, particularly a kind of portable low power-consumption three leads intelligent ECG monitoring system.
Background technology
Along with life and work rhythm is accelerated day by day, long-term high pressure conditions adds the risk of heart disease, and heart disease presents rapid spread trend, has become one of principal disease of harm humans health.Electrocardiogram, as the record of human body myocardial bioelectric Electrical change, is the important evidence medically monitoring and judge heart state.Electrocardiosignal monitoring equipment common at present comprises electrocardiograph, bed other electrocardiogram monitor, dynamic electro-cardiac monitor (Holter), remote electrocardiogram monitor system etc.Because heart disease has sudden strong, disguised strong, long-time continuous monitors the electrocardiosignal of patient under varying environment and figure accurately, for grasp PD trend, especially carries out early warning to emergency case and succours significant.Traditional electrocardiograph only can record the electrocardiosignal of a few minutes, limited use in the discovery and judgement of disease relevant information; The other electrocardiogram monitor of bed, because the restriction of usage space, is not suitable for daily monitoring; Dynamic electro-cardiac monitor (Holter) can non-volatile recording and preserve the electrocardiogram (ECG) data of patient; and do not affect daily routines; but recorded needs carry out data readback and date processing by special equipment; patient cannot be real-time understanding self cardiac phase information, be unfavorable for early warning and the relief of emergency case.
Remote electrocardiogram monitor system, without the restriction in service time and space, can also carry out long-range judgement or data intelligence processing, be widely used while monitoring electrocardiosignal.But the remote electrocardiogram monitor system used at present generally to lead Zhong mono-tunnel lead signals based on three, remains in more deficiency in the accuracy of the quantity and date processing that can judge disease information.
Summary of the invention
A kind of portable low power-consumption three is the object of the present invention is to provide to lead intelligent ECG monitoring system, to solve the problem that existing portable cardiac checkout equipment cannot reflect cardiac physiology comprehensively.
For achieving the above object, the invention provides a kind of portable low power-consumption three and to lead intelligent ECG monitoring system, comprising: portable electrocardiograph and mobile terminal; Described portable electrocardiograph comprises acquisition electrode module, Signal-regulated kinase, microprocessor, bluetooth communication module and power module;
Described acquisition electrode module comprises 3 and extracts electrode, for obtaining 3 road signals of body surface diverse location, and be transferred to described Signal-regulated kinase, described Signal-regulated kinase is for receiving described 3 road signals, and difference processing, filtering and amplification are carried out to this 3 road signal, obtain 3 tunnel electrocardiosignaies after processing and send into microprocessor, described microprocessor is used for 3 tunnel electrocardiosignaies after to process and carries out the 3 tunnel lead signals that A/D is converted to digital form; Described 3 tunnel lead signals input described bluetooth communication module, send to mobile terminal by bluetooth communication module; Described mobile terminal is used for carrying out feature extraction to 3 tunnel lead signals, and mate with some ecg information data prestored after the characteristic signal of extraction is computed weighted, the equal corresponding several heart state of described ecg information data, the cardiac phase information that after the match is successful, display is corresponding;
Described power module is used for powering for described Signal-regulated kinase, microprocessor and bluetooth communication module.
Preferably, described acquisition electrode module also comprises 1 right leg drive electrode, and described right leg drive electrode is connected with described Signal-regulated kinase, and described right leg drive electrode is used for the common mode component in described 3 road signals amplify and feed back to human body.
Preferably, described Signal-regulated kinase comprises driven-right-leg circuit, instrument amplifier, low-pass filter circuit and isolation combinational circuit, described microprocessor comprises A/D conversion inputs, and described instrument amplifier comprises input, common-mode output and differential mode outfan;
Described 3 extraction electrodes are connected with the input of described isolation combinational circuit, described right leg drive electrode is connected with the outfan of described driven-right-leg circuit, and the electric potential signal that described isolation combinational circuit is used for 3 are extracted electrode carries out voltage follow and is combined as three groups of differential signals;
The outfan of described isolation combinational circuit is connected with the input of described instrument amplifier;
The common-mode output of described instrument amplifier is connected with the input of described driven-right-leg circuit, and the differential mode outfan of described instrument amplifier is connected with the input of described low-pass filter circuit;
The outfan of described low-pass filter circuit is connected with the A/D conversion inputs of described microprocessor.
Preferably, described power module comprises Voltage stabilizing module and lithium battery, and described Voltage stabilizing module and lithium battery are interconnected by a switch, and described switch is for controlling startup and the cut out of this electrocardioscanner.
Preferably, described mobile terminal comprises Bluetooth receptions module, data separating module, data characteristics extraction module, feature identification module, memory module and display module;
Described Bluetooth receptions module receives described 3 tunnel lead signals and exports described data separating module to;
Described 3 tunnel lead signals are separated into the first leads, the second leads and the 3rd leads by described data separating module;
Described first leads, the second leads and the 3rd leads input described data characteristics extraction module respectively to carry out feature extraction and obtains the first feature, second feature and the 3rd of leading of leading and to lead feature;
Described first feature, second feature and the 3rd feature of leading of leading of leading inputs described feature identification module, described feature identification module to described first lead feature, second lead feature and the 3rd lead feature be weighted process after mate with some ecg information data prestored, obtain after the match is successful correspondence cardiac phase information;
Described display module, for showing waveform corresponding to described 3 tunnel electrocardiosignaies, shows the cardiac phase information that the match is successful simultaneously; The 3 tunnel lead signals that described memory module receives for storing Bluetooth receptions module;
Wherein, add temporary, described first feature, second the lead coefficient of feature of feature and the 3rd that leads that leads is determined in the Different Effects of diverse location to signal of body surface according to sub-electrode corresponding to 3 tunnel lead signals.
Preferably, described mobile terminal also comprises a property data base, described property data base is for storing some different ecg information data, the equal corresponding a kind of heart state of each ecg information data, when described feature identification module carries out feature identification, to lead feature to described first according to described different ecg information data, second leads feature, 3rd data after feature and weighting process of leading compare identification, when described first leads feature, second leads feature, 3rd lead feature simultaneously with data during some any one ecg information data match prestored or after weighting process and some prestore any one ecg information data match time, then the match is successful and the cardiac phase information that output is corresponding.
Preferably, the described first feature, second feature and the 3rd feature of leading of leading of leading is respectively the RR gap of described first leads, the second leads and the 3rd leads, QRS gap or QRS amplitude.
The portable low power-consumption three provided by the invention intelligent ECG monitoring system that leads extracts electrodes and right leg drive electrode by 3 and obtains the different electrocardiosignal in 3 tunnels of human body surface, after carrying out filter amplifying processing, carry out A/D conversion by microprocessor and send to mobile terminal by bluetooth communication module, the feature identification module arranged by mobile terminal inside carries out comprehensive characteristics identification, finally obtains corresponding cardiac phase information.The ecg information data of this invention correspondence are be pre-stored in mobile terminal, can better for user provide the reference information of human heart physiological situation, and portable electrocardiograph wherein can coordinate dissimilar mobile terminal device work, highly versatile, easy to use, not by position limitation.Particularly, present invention achieves following beneficial effect:
(1) hardware quantity is few, and structure is simple, and size is little, low in energy consumption, and cost is low;
(2) 3 tunnel lead signals can be gathered simultaneously, more comprehensively can react the physiological status of heart;
(3) carry out the coupling of ecg information data based on three tunnel lead signals, the ecg information data prestored can be matched more accurately, provide reference information better;
(4) by the portable mobile apparatus such as mobile phone display electrocardiosignal and the ecg information data that the match is successful, easy to use, without the need to additionally arranging display device.
Accompanying drawing explanation
Fig. 1 is that the portable low power-consumption three of the preferred embodiment of the present invention leads intelligent ECG monitoring system composition structural representation;
Fig. 2 is the composition structural representation of the mobile terminal of the preferred embodiment of the present invention;
Fig. 3 is application software of mobile terminal configuration diagram of the present invention.
Detailed description of the invention
For better the present invention being described, hereby with a preferred embodiment, and accompanying drawing is coordinated to elaborate to the present invention, specific as follows:
As shown in Figure 1, the portable low power-consumption three that the present embodiment the provides intelligent ECG monitoring system that leads comprises portable electrocardiograph and mobile terminal, wherein, portable electrocardiograph specifically comprises acquisition electrode module 1, Signal-regulated kinase 2, microprocessor 3, bluetooth communication module 4, power module 5 and mobile terminal 6.Wherein, acquisition electrode module 1 comprises 4 sub-electrodes, these 4 sub-electrodes are respectively 3 and extract electrode and 1 right leg drive electrode, Signal-regulated kinase 2 comprises isolation combinational circuit 10, instrument amplifier 8, low-pass filter circuit 9 and driven-right-leg circuit 7,3 are extracted electrode and are connected with isolation combinational circuit 10, and right leg drive electrode is connected with driven-right-leg circuit 7.Power module 5 comprises Voltage stabilizing module 11, lithium battery 12 and switch 13, and Voltage stabilizing module 11 and lithium battery 12 are interconnected by switch 13.Power module is used for powering for Signal-regulated kinase 2, microprocessor 3 and bluetooth communication module 4.
Particularly, instrument amplifier 8 also comprises input, common-mode output and differential mode outfan.Microprocessor 3 comprises A/D conversion inputs and D/A conversion output.The difference-mode input end of instrument amplifier 8 is connected with the outfan of isolation combinational circuit 10; The common-mode output of instrument amplifier 8 is connected with the input of driven-right-leg circuit 7; The differential mode outfan of instrument amplifier 8 is connected with the input of low-pass filter circuit 9.The outfan of low-pass filter circuit 9 is connected with the A/D conversion inputs of microprocessor 3; The D/A conversion output of microprocessor 3 is connected with driven-right-leg circuit 7.
During this system works, 3 are extracted electrode and obtain 3 road signals of body surface and be transferred to Signal-regulated kinase 2, the isolation combinational circuit 10 of Signal-regulated kinase 2 receives 3 and extracts the 3 road electric potential signals that electrodes extract and carry out voltage follow, and be combined as 3 groups of differential signals, 3 groups of differential signal input instrument amplifiers 8, 3 groups of differential signals are carried out difference processing and are converted to single-ended signal by instrument amplifier 8, difference processing is sent into low-pass filter circuit 9 and is carried out Filtering Processing after the difference output end of instrument amplifier 8 obtains 3 road single-ended signals and amplifies, microprocessor 3 is sent into after Filtering Processing.This 3 tunnel electrocardiosignal is carried out the 3 tunnel lead signals that A/D is converted to digital form by microprocessor 3.Simultaneously, instrument amplifier 8 extracts the common-mode signal of 3 road electric potential signals, this common-mode signal is input to driven-right-leg circuit 7 through common-mode output, after driven-right-leg circuit oppositely amplifies, outputs to right leg drive electrode thus suppress the common mode disturbances in electrocardiosignal.Microprocessor, by 3 tunnel lead signals input bluetooth communication modules 4, sends to mobile terminal 6 by bluetooth communication module 4.
As shown in Figure 2, in the present embodiment, mobile terminal 6(mobile terminal can be any one portable communication apparatus such as smart mobile phone, PDA, panel computer) comprise Bluetooth receptions module 61, data separating module 62, data characteristics extraction module 63, feature identification module 64, memory module 65 and display module 66.Mobile terminal 6 also comprises a property data base 67, for storing several different ecg information data.In the present embodiment, mobile terminal 6 is provided with the application software based on Bluetooth transmission protocol, for analyzing, mating, store and display electrocardiosignal, the application software of mobile terminal 6 can carry out Auto-matching to received electrocardiogram (ECG) data, and control display reflects the information of the situation of heart.
The work process of mobile terminal 6, with reference to figure 2, Fig. 3, first receives the data of 3 tunnel lead signals by Bluetooth receptions module and exports memory module 65 to and carry out data storage, exporting this 3 tunnel lead signals to data separating module 62 simultaneously.The 3 tunnel lead signals received are separated into the first leads, the second leads and the 3rd leads by data separating module 62, and the first leads, the second leads and the 3rd leads input data characteristics extraction module 63 respectively and carry out digital filtering and feature extraction process successively.Obtain the first feature, second feature and the 3rd of leading of leading after carrying out feature extraction to lead feature.First feature, second feature and the 3rd of leading of leading is led feature input feature vector identification module 64, feature identification module is led after feature is weighted process obtain the data after weighting process to the first feature, second feature and the 3rd of leading of leading, first feature, second the lead data after feature and weighting process and some ecg information data prestored of feature, the 3rd of leading of leading carry out matching treatment, obtain corresponding cardiac phase information after the match is successful.Concrete, when first lead feature, second lead feature, the 3rd lead feature simultaneously with data during some any one ecg information data match prestored or after weighting process simultaneously with some arbitrary ecg information data match prestored time, then the match is successful and export corresponding cardiac phase information.The heart information data variation scope of 3 kinds of diverse locations of answering with 3 extraction electrode pairs that the ecg information data in the present embodiment comprise several heart state (leading feature corresponding to the first feature, second feature, the 3rd of leading of leading), and consider the data variation scope (data corresponding to after weighting process) of 3 kinds of diverse location heart informations.Wherein, display module 66 can make mobile terminal show waveform corresponding to 3 tunnel electrocardiosignaies, shows the above-mentioned cardiac phase information that the match is successful simultaneously.
Wherein, add temporary, described first feature, second the lead coefficient of feature of feature and the 3rd that leads that leads is determined in the Different Effects of diverse location to signal of body surface according to sub-electrode corresponding to 3 tunnel lead signals.First feature, second feature and the 3rd feature of leading of leading of leading is respectively RR gap, the QRS gap or QRS amplitude etc. of the first leads, the second leads and the 3rd leads.Wherein, RR gap is the gap between R ripple; QRS gap is Q ripple and R ripple or Q ripple and S ripple or the gap between R ripple and S ripple, and QRS amplitude is the amplitude of Q ripple or R ripple or S ripple.In other preferred embodiments, the first feature, second feature and the 3rd feature of leading of leading of leading can be the data mode of other forms of reflection heart condition, and the present invention does not limit at this.
In the present embodiment, Signal-regulated kinase 2 adopts 3.3V single-voltage-supply cmos, and as the reference voltage, instrument amplifier 8 adopts the INA333 of TI company to the 1.5V voltage that mu balanced circuit 12 provides, low-pass filter circuit 9 adopts the AD8617 of ADI company, and isolation combinational circuit 10 adopts the AD8617 of ADI company.
In the present embodiment, microprocessor 3 adopts the MSP430F5529 of TI company, and microprocessor 3 is in low-power consumption mode when not sending data by bluetooth communication module 4.
In the present embodiment, when switch 13 closes, portable electrocardiograph is started working, the 3.3V voltage that 3.3V and the 1.5V voltage that voltage transitions from lithium battery 12 uses for Signal-regulated kinase 2 by mu balanced circuit 12 and microprocessor 3, bluetooth communication module 4 use, now portable electrocardiograph gathers electrocardiosignal and sends to mobile terminal 6 by bluetooth communication module 4, when switch 13 closes, portable electrocardiograph does not work.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those skilled in the art is in the technical scope that the present invention discloses; the distortion do the present invention or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (7)
1. portable low power-consumption three leads an intelligent ECG monitoring system, it is characterized in that, comprising: portable electrocardiograph and mobile terminal; Described portable electrocardiograph comprises acquisition electrode module, Signal-regulated kinase, microprocessor, bluetooth communication module and power module;
Described acquisition electrode module comprises 3 and extracts electrode, for obtaining 3 road signals of body surface diverse location, and be transferred to described Signal-regulated kinase, described Signal-regulated kinase is for receiving described 3 road signals, and difference processing, filtering and amplification are carried out to this 3 road signal, obtain 3 tunnel electrocardiosignaies after processing and send into microprocessor, described microprocessor is used for 3 tunnel electrocardiosignaies after to process and carries out the 3 tunnel lead signals that A/D is converted to digital form; Described 3 tunnel lead signals send to mobile terminal by described bluetooth communication module; Described mobile terminal is used for carrying out feature extraction to 3 tunnel lead signals, and mate with some ecg information data prestored after the characteristic signal of extraction is computed weighted, described some ecg information data prestored corresponding a kind of heart state respectively, the cardiac phase information that after the match is successful, display is corresponding;
Described power module is used for powering for described Signal-regulated kinase, microprocessor and bluetooth communication module.
2. portable low power-consumption three according to claim 1 leads intelligent ECG monitoring system, it is characterized in that, described acquisition electrode module also comprises 1 right leg drive electrode, described right leg drive electrode is connected with described Signal-regulated kinase, and described right leg drive electrode is used for the common mode component in described 3 road signals amplify and feed back to human body.
3. portable low power-consumption three according to claim 2 leads intelligent ECG monitoring system, it is characterized in that, described Signal-regulated kinase comprises driven-right-leg circuit, instrument amplifier, low-pass filter circuit and isolation combinational circuit, described microprocessor comprises A/D conversion inputs, and described instrument amplifier comprises input, common-mode output and differential mode outfan;
Described 3 extraction electrodes are connected with the input of described isolation combinational circuit, described right leg drive electrode is connected with the outfan of described driven-right-leg circuit, and the electric potential signal that described isolation combinational circuit is used for 3 are extracted electrode carries out voltage follow and is combined as three groups of differential signals;
The outfan of described isolation combinational circuit is connected with the input of described instrument amplifier;
The common-mode output of described instrument amplifier is connected with the input of described driven-right-leg circuit, and the differential mode outfan of described instrument amplifier is connected with the input of described low-pass filter circuit;
The outfan of described low-pass filter circuit is connected with the A/D conversion inputs of described microprocessor.
4. portable low power-consumption three according to claim 1 leads intelligent ECG monitoring system, it is characterized in that, described power module comprises Voltage stabilizing module and lithium battery, described Voltage stabilizing module and lithium battery are interconnected by a switch, and described switch is for controlling startup and the cut out of this electrocardioscanner.
5. portable low power-consumption three according to claim 1 leads intelligent ECG monitoring system, it is characterized in that, described mobile terminal comprises Bluetooth receptions module, data separating module, data characteristics extraction module, feature identification module, memory module and display module;
Described Bluetooth receptions module receives described 3 tunnel lead signals and exports described data separating module to;
Described 3 tunnel lead signals are separated into the first leads, the second leads and the 3rd leads by described data separating module;
Described first leads, the second leads and the 3rd leads input described data characteristics extraction module respectively to carry out feature extraction and obtains the first feature, second feature and the 3rd of leading of leading and to lead feature;
Described first feature, second feature and the 3rd feature of leading of leading of leading inputs described feature identification module, described feature identification module to described first lead feature, second lead feature and the 3rd lead feature be weighted process after mate with some ecg information data prestored, obtain after the match is successful correspondence cardiac phase information;
Described display module, for showing waveform corresponding to described 3 tunnel electrocardiosignaies, shows the cardiac phase information that the match is successful simultaneously; The 3 tunnel lead signals that described memory module receives for storing Bluetooth receptions module;
Wherein, add temporary, described first feature, second the lead coefficient of feature of feature and the 3rd that leads that leads is determined in the Different Effects of diverse location to signal of body surface according to sub-electrode corresponding to 3 tunnel lead signals.
6. portable low power-consumption three according to claim 5 leads intelligent ECG monitoring system, it is characterized in that, described mobile terminal also comprises a property data base, described property data base is for storing some different ecg information data, the equal corresponding a kind of heart state of each ecg information data, when described feature identification module carries out feature identification, to lead feature to described first according to described different ecg information data, second leads feature, 3rd data after feature and weighting process of leading compare identification, when described first leads feature, second leads feature, 3rd lead feature simultaneously with data during some any one ecg information data match prestored or after weighting process and some prestore any one ecg information data match time, then the match is successful and the cardiac phase information that output is corresponding.
7. the portable low power-consumption three according to claim 5 or 6 leads intelligent ECG monitoring system, it is characterized in that, the described first feature, second feature and the 3rd feature of leading of leading of leading is respectively the RR gap of described first leads, the second leads and the 3rd leads, QRS gap or QRS amplitude.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105769179A (en) * | 2016-04-29 | 2016-07-20 | 上海夏先机电科技发展有限公司 | Portable twelve-lead electrocardiographic signal synchronous collecting device |
| CN109567791A (en) * | 2019-01-30 | 2019-04-05 | 南京邮电大学 | A kind of low-power consumption electrocardiogram signal acquisition circuit |
| CN110742601A (en) * | 2019-11-18 | 2020-02-04 | 常州晓风电子科技有限公司 | High-precision portable electrocardiograph and working method thereof |
| CN111491557A (en) * | 2017-12-15 | 2020-08-04 | 深圳迈瑞生物医疗电子股份有限公司 | Lead electrode recognition device, method, storage medium and medical monitoring equipment |
| CN112438732A (en) * | 2019-09-03 | 2021-03-05 | 沈阳天泰远程医疗技术发展有限公司 | Novel electrocardioscanner |
| CN112741632A (en) * | 2019-10-31 | 2021-05-04 | 深圳市理邦精密仪器股份有限公司 | Electrocardiosignal detection method, system, equipment and computer storage medium |
| CN112971794A (en) * | 2021-02-07 | 2021-06-18 | 海口讯婕城医疗科技有限公司 | Electrocardio monitoring device comprising four dry electrodes and application method |
| CN113303774A (en) * | 2020-02-26 | 2021-08-27 | Oppo广东移动通信有限公司 | Wearable equipment |
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