CN103494606B - Mobile terminal with electrocardiogram detection function - Google Patents
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- CN103494606B CN103494606B CN201310477597.4A CN201310477597A CN103494606B CN 103494606 B CN103494606 B CN 103494606B CN 201310477597 A CN201310477597 A CN 201310477597A CN 103494606 B CN103494606 B CN 103494606B
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Abstract
The invention discloses a mobile terminal with the electrocardiogram detection function. The mobile terminal comprises a plurality of analog front end active electrodes, an electrocardio-signal lead connector, an analog-to-digital conversion module, a processor and a display module. The analog front end active electrodes are connected with the analog-to-digital conversion module through the electrocardio-signal lead connector. The analog-to-digital conversion module, the processor and the display module are sequentially connected. The analog front end active electrodes are used for collecting electrocardio-signals of the human body, the electrocardio-signal lead connector is used for sending the electrocardio-signals to the analog-to-digital conversion module, the analog-to-digital conversion module converts the electrocardio-signals into the corresponding digital signals, and the processor processes the digital signals into corresponding electrocardiogram data and sends the electrocardiogram data to the display module for displaying. Thus, the mobile terminal with the electrocardiogram detection function can be taken along, measure the electrocardiogram data of the human body in real time, and bring great convenience to users.
Description
Technical field
The present invention relates to field of medical device, in particular a kind of mobile terminal with Electrocardiography function.
Background technology
Along with the raising of people's living standard, the quickening of rhythm of life and the real-time needs monitored, modern medical service presents the characteristics such as mobility, monitoring property in real time and tele-medicine.Particularly some are needed in real time, mobile, 24 hours special populations that are local and remote monitoring heart are very necessary.But existing Electrocardioscopy needs special armarium, floor space is large and detection mode is complicated, brings inconvenience greatly to user.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, provides a kind of mobile terminal with Electrocardiography function, is intended to solve existing Electrocardiography trouble, inconvenient problem with use.
The technical scheme that technical solution problem of the present invention adopts is as follows:
There is a mobile terminal for Electrocardiography function, wherein, comprising:
For gathering multiple AFE (analog front end) active electrodes of human ecg signal;
Electrocardiosignal for transmitting electrocardiosignal is led interface;
For described electrocardiosignal being converted to the analog-to-digital conversion module of corresponding digital signal;
For by described Digital Signal Processing being the processor of corresponding ECG data;
For showing the display module of described ECG data;
Described multiple AFE (analog front end) active electrode by electrocardiosignal lead interface connect analog-to-digital conversion module; Described analog-to-digital conversion module, processor are connected successively with display module.
The described mobile terminal with Electrocardiography function, wherein, also comprises: for transmitting the USB interface of ECG data; Described USB interface connection handling device.
The described mobile terminal with Electrocardiography function, wherein, also comprises: for storing the memorizer of ECG data; Described memorizer connection handling device.
The described mobile terminal with Electrocardiography function, wherein, also comprises: for the wireless transport module of ECG data described in wireless transmission; Described wireless transport module connection handling device.
The described mobile terminal with Electrocardiography function, wherein, also comprises: for receiving ECG data that wireless transport module sends and diagnostic result corresponding for described ECG data being sent to the server of wireless transport module; Described server wireless connections wireless transport module.
The described mobile terminal with Electrocardiography function, wherein, also comprises: for analyzing the analysis module of the cardiac health of human body according to described ECG data; Described analysis module connection handling device.
The described mobile terminal with Electrocardiography function, wherein, described AFE (analog front end) active electrode comprises: the first electrode, the second electrode, the 3rd electrode, the 4th electrode, the 5th electrode, the 6th electrode, the 7th electrode, the 8th electrode, the 9th electrode, the tenth electrode, the 11 electrode, the 12 electrode, the 13 electrode, the 14 electrode, the 15 electrode and the 16 electrode;
The left upper extremity of described first Electrode connection human body; The right upper extremity of described second Electrode connection human body; The left lower extremity of described 3rd Electrode connection human body; The right lower extremity of described 4th Electrode connection human body; 4th intercostal space right border of sternum of described 5th Electrode connection human body; 4th intercostal space left border of sternum of described 6th Electrode connection human body; 5th intercostal space left mid-clavicular line of described 8th Electrode connection human body; Between 4th intercostal space left border of sternum of described 7th Electrode connection human body and the 5th intercostal space left mid-clavicular line; 5th left anterior axillary line, intercostal space of described 9th Electrode connection human body; The 5th left midaxillary line in intercostal space of described tenth Electrode connection human body; The 5th left posterior axillary line in intercostal space of described 11 Electrode connection human body; The 5th left infrascapular line in intercostal space of described 12 Electrode connection human body; 5th intercostal space left paravertebral line of described 13 Electrode connection human body; 5th intercostal space right midclavicular line of described 15 Electrode connection human body; Between 4th intercostal space right border of sternum of described 14 Electrode connection human body and the 5th intercostal space right midclavicular line; 5th right anterior axillary line, intercostal space of described 16 Electrode connection human body.
The described mobile terminal with Electrocardiography function, wherein, is provided with one for the analog amplify circuit by electrocardiosignal amplification and noise decrease in described AFE (analog front end) active electrode.
The described mobile terminal with Electrocardiography function, wherein, described analog amplify circuit comprises: the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the first electric capacity, the second electric capacity, the first operational amplifier, the second operational amplifier, the first comparator, the second comparator, the first NMOS tube, the second NMOS tube, PMOS, the first diode and the second diode;
The positive input terminal of described first operational amplifier connects the input of described analog amplify circuit; The outfan of the first operational amplifier connects the outfan of described analog amplify circuit; The negative input end of described first operational amplifier connects DC reference voltage end by the first resistance, is also connected the outfan of the second operational amplifier by the second resistance;
The positive input terminal of described second operational amplifier connects the outfan of the first operational amplifier by the 4th resistance, also connect DC reference voltage end by the 3rd resistance; The negative input end of described second operational amplifier connects the outfan of the second operational amplifier by the first electric capacity, also connected the source electrode of PMOS by the 8th resistance; The negative input end of described second operational amplifier also connects the source electrode of the first NMOS tube;
The drain electrode of described first NMOS tube connects the grid of the grid of the first NMOS tube, the drain electrode of the second NMOS tube and the second NMOS tube respectively; The grid of described first NMOS tube connects the drain electrode of the second NMOS tube and the grid of the second NMOS tube respectively; The drain electrode of described second NMOS tube connects the grid of the second NMOS tube; The source electrode of described second NMOS tube connects the positive input terminal of the second operational amplifier by the 3rd resistance, also connect DC reference voltage end; The source electrode of described second NMOS tube also connects the drain electrode of PMOS;
The positive input terminal of described first comparator, by the 7th resistance eutral grounding, also connects the negative input end of the second comparator by the 6th resistance; The negative input end of described first comparator connects the positive input terminal of the second comparator and the outfan of the first operational amplifier respectively; The outfan of described first comparator connects the grid of PMOS by the first diode, also by the second capacity earth; The negative input end of described second comparator connects supply voltage by the 5th resistance; The outfan of described second comparator connects the grid of PMOS by the second diode, also by the second capacity earth.
A kind of mobile terminal with Electrocardiography function provided by the present invention, efficiently solve existing Electrocardiography equipment mobility low, cannot carry with, inconvenient problem with use, the described mobile terminal with Electrocardiography function, wherein, comprising: multiple AFE (analog front end) active electrode, electrocardiosignal are led interface, analog-to-digital conversion module, processor and display module; Described multiple AFE (analog front end) active electrode by electrocardiosignal lead interface connect analog-to-digital conversion module; Described analog-to-digital conversion module, processor are connected successively with display module; The electrocardiosignal of human body is gathered by multiple AFE (analog front end) active electrode, and be sent to analog-to-digital conversion module be converted to corresponding digital signal by the electrocardiosignal interface that leads, be corresponding ECG data by processor by described Digital Signal Processing, and be sent to display module display; Thus make mobile terminal also have Electrocardiography function, bring the convenience in use to user, not only can carry with, the ECG data of human body can also be measured in real time, bring to user and facilitate greatly.
Accompanying drawing explanation
Fig. 1 is the structured flowchart with the mobile terminal preferred embodiment of Electrocardiography function provided by the invention.
Fig. 2 is the mapping table of AFE (analog front end) active electrode provided by the invention and electrode position.
Fig. 3 is that electrocardiogram provided by the invention respectively leads the formation table of title and both positive and negative polarity.
Fig. 4 is the schematic diagram of Wilson's central electric terminal connection.
Fig. 5 is unipolar lead connection diagram.
Fig. 6 is bipolar lead connection diagram.
Fig. 7 is the theory diagram with mobile terminal first Application Example of Electrocardiography function provided by the invention.
Fig. 8 is the circuit diagram with analog amplify circuit in the mobile terminal of Electrocardiography function provided by the invention.
Fig. 9 is the theory diagram with mobile terminal second Application Example of Electrocardiography function provided by the invention.
Detailed description of the invention
The invention provides a kind of mobile terminal with Electrocardiography function, for making object of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is the structured flowchart with the mobile terminal preferred embodiment of Electrocardiography function provided by the invention, the described mobile terminal with Electrocardiography function, comprise: for gathering multiple AFE (analog front end) active electrodes 110 of human ecg signal, electrocardiosignal for transmitting electrocardiosignal is led interface 120, for described electrocardiosignal being converted to the analog-to-digital conversion module 130 of corresponding digital signal, for being the processor 140 of corresponding ECG data by described Digital Signal Processing and being used for showing the display module 150 of described ECG data, described multiple AFE (analog front end) active electrode by electrocardiosignal lead interface connect analog-to-digital conversion module, described analog-to-digital conversion module, processor are connected successively with display module.
Specifically, described multiple AFE (analog front end) active electrode 110 gathers electrocardiosignal on human body, and be sent to analog-to-digital conversion module 130 by the electrocardiosignal interface 120 that leads, after analog-to-digital conversion module 130 carries out analog digital conversion, the digital signal obtained is sent in processor 140 and processes, draw corresponding ECG data, and be sent to display module 150 and show.Described mobile terminal is the mobile terminal such as mobile phone, panel computer.
The present invention is by increasing at lane terminal the electrocardiosignal that AFE (analog front end) active electrode gathers human body, and the sensor interface added for Electrocardiography is to receive electrocardiosignal, in terminal, electrocardiosignal is amplified successively, filtering, signal quantization (analog digital conversion), process and aobvious, thus make terminal add electrocardiogram test function, not only can carry with, also greatly user-friendly.
Further, described in there is the mobile terminal of Electrocardiography function, also comprise: for transmitting the USB interface of ECG data; Described USB interface connection handling device 140.Specifically, described processor 140 is sent to external equipment by processing the ECG data drawn by the USB interface that mobile terminal is arranged, thus carries out other subsequent treatment.
Further, described in there is the mobile terminal of Electrocardiography function, also comprise: for storing the memorizer of ECG data; Described memorizer connection handling device 140.Specifically, state processor 140 and be stored into processing the ECG data drawn in memorizer, thus facilitate user to carry with ECG data, and be retained as record for a long time.When practical application, described memorizer can be the internal memory of terminal, also can preserve SD card.Described Electrocardiographic testing result data except pass to wireless network Surveillance center and local store check except, can also be stored on SD card, by SD card, electrocardio test data is copied out from wireless terminal, ECG data on SD card can copy to support SD interface equipment on, comprise that diagnosis and treatment center is out carried out data copy storing by SD card, processed, analysis etc.Store electrocardio test data by SD card, open another approach that electrocardiogram (ECG) data stores, and with SD card for medium carries out the data conversion storage, copy etc. of equipment room.Described Electrocardiographic testing result is also transmitted out by USB interface, is used for storage, process, analysis etc. on miscellaneous equipment.By USB interface, electrocardiogram (ECG) data is transmitted out from wireless terminal, can be transferred to comprise diagnosis and treatment center have on the equipment of USB interface, be very easy to the transmission of electrocardiogram (ECG) data at each equipment room
Further, there is the mobile terminal of Electrocardiography function, also comprise: for the wireless transport module of ECG data described in wireless transmission; Described wireless transport module connection handling device 140.Specifically, Electrocardiographic transmission comprises wire transmission and wireless transmission, wire transmission is mainly through the communication interface of mobile phone, as USB interface is transmitted, wireless transmission mainly utilizes the wireless link of mobile phone to transmit, as bluetooth, WiFi, carrier network (LTE, WCDMA, TD-SCDMA, CDMA, GSM etc.), thus the human body electrocardio figure information of long-range reception measurement can be realized.
Further, the described mobile terminal with Electrocardiography function, wherein, also comprises: for analyzing the analysis module of the cardiac health of human body according to described ECG data; Described analysis module connection handling device 140.Specifically, conveniently user knows the cardiac health of self, can also arrange an analysis module on mobile terminals, analyze the ECG data of human body, thus learn the cardiac health of current human, bring to user and facilitate greatly.
Refer to Fig. 2, as shown in Figure 2, when practical application, described AFE (analog front end) active electrode is multiple, preferably, described AFE (analog front end) active electrode comprises: the first electrode LA, the second electrode RA, the 3rd electrode LL, the 4th electrode RL, the 5th electrode V1, the 6th electrode V2, the 7th electrode V3, the 8th electrode V4, the 9th electrode V5, the tenth electrode V6, the 11 electrode V7, the 12 electrode V8, the 13 electrode V9, the 14 electrode V3r, the 15 electrode V4r and the 16 electrode V5r.Above-mentioned 16 electrodes in the riding position of body surface are: described first electrode LA connects the left upper extremity of human body; Described second electrode RA connects the right upper extremity of human body; Described 3rd electrode LL connects the left lower extremity of human body; Described 4th electrode RL connects the right lower extremity of human body; Described 5th electrode V1 connects the 4th intercostal space right border of sternum of human body; Described 6th electrode V2 connects the 4th intercostal space left border of sternum of human body; 5th intercostal space left mid-clavicular line of described 8th electrode V4, connection human body; Between the 4th intercostal space left border of sternum that described 7th electrode V3 connects human body and the 5th intercostal space left mid-clavicular line; Described 9th electrode V5 connects the 5th left anterior axillary line, intercostal space of human body; Described tenth electrode V6 connects the 5th left midaxillary line in intercostal space of human body; Described 11 electrode V7 connects the 5th left posterior axillary line in intercostal space of human body; Described 12 electrode V8 connects the 5th left infrascapular line in intercostal space of human body; Described 13 electrode V9 connects the 5th intercostal space left paravertebral line of human body; Described 15 electrode V4r connects the 5th intercostal space right midclavicular line of human body; Between the 4th intercostal space right border of sternum that described 14 electrode V3r connects human body and the 5th intercostal space right midclavicular line; Described 16 electrode V5r connects the 5th right anterior axillary line, intercostal space of human body.
That is, each electrode pair should be arranged on the body surface place of the diverse location of human body, thus gathers electrocardiosignal.Above-mentioned between electrode or between electrode from central electromotive force end, form different one by one leading between two, the positive pole respectively led and negative pole amplify in AFE (analog front end) active electrode, signal after amplification to lead interface through the electrocardiosignal that conducting wire is connected to mobile terminal, is recorded the electrical activity of heart by mobile terminal.
Refer to Fig. 3, as shown in Figure 3, constitute bipolar lead between two electrodes, one is led for positive pole, and one is led for negative pole.Bipolar limb lead comprises I and leads, and II leads and III to lead; Described I just very the first electrode LA led, negative pole are the second electrode RA; Described II just very the 3rd electrode LL led, negative pole is the second electrode RA; Described III just very the 3rd electrode LL led, negative pole is the first electrode LA.Please continue to refer to Fig. 3, constitute unipolar lead between electrode and central electromotive force end, now exploring electrode is positive pole, and central electromotive force end is negative pole.AvR, avL, avF, V11, V22, V33, V44, V55 and V66 lead and are unipolar lead.Because avR, avL, avF are away from heart, with central authorities' electricity end for the potential difference recorded during negative pole is too little, therefore negative pole is the average of the current potential sum of other two limb leads except exploring electrode.Because record adds the current potential that avR, avL, avF lead like this, therefore these lead and are also referred to as augmented unipolar limb lead.
See also Fig. 4, Fig. 5 and Fig. 6, Fig. 4 is the method for attachment of central electromotive force end is namely the schematic diagram adopting Wilson's central electric terminal connection.Unipolar lead is formed by between exploring electrode and central electromotive force end, and now exploring electrode is positive pole, and central electromotive force end is negative pole, and Fig. 5 is the corresponding schematic diagram of V11, V22, V33, V44, V55, V66 unipolar lead.Bipolar lead is made up of two electrodes, and one of them leads for positive pole, and another leads for negative pole.Refer to Fig. 6, bipolar limb lead comprises I and leads, and II leads and III to lead.I LA that leads is positive pole, and RA is negative pole; II LL that leads is positive pole, and RA is negative pole; III LL that leads is positive pole, and LA is negative pole.Fig. 6 illustrates the I bipolar lead method of attachment of leading, and II leads and III to lead roughly the same.
The present invention by comprising I, II, III, avR, avL and avF lead composition limb lead system to reflect that heart current potential is projected in sagittal plane situation; By comprising: the precordial leads system reflection heart current potential projected horizontal face situation of leading of V11, V22, V33, V44, V55 and V66.Further, grouping of also these can being led, to react the electrical activity of Heart tissue.
Refer to Fig. 7, Fig. 7 is the theory diagram with mobile terminal first Application Example of Electrocardiography function provided by the invention.This sentences mobile terminal be mobile phone is that example is described.As shown in Figure 7, this is the collecting work situation schematic diagram with the mobile phone of Electrocardiography function provided by the invention, the amplifier delivering to AFE (analog front end) active electrode after the positive pole that this group is led and negative pole collect electro-physiological signals on the person respectively amplifies, signal after amplification to lead interface through the electrocardiosignal that conducting wire is connected to mobile phone, through amplifying after this signal enters mobile phone, after filtering and analog digital conversion, the electrocardiosignal of simulation becomes digital signal, this digital signal delivers to the CPU process of mobile phone, signal after process can show, store, transmission etc.Electrocardiographic display can show on the screen of mobile phone; Electrocardiographic storage can be kept in the internal memory of mobile phone, also can be kept in the SD card of mobile phone; Electrocardiographic transmission comprises wire transmission and wireless transmission, wire transmission is mainly through the communication interface of mobile phone, as USB interface is transmitted, wireless transmission mainly utilizes the wireless link of mobile phone to transmit, as bluetooth, WiFi, carrier network (LTE, WCDMA, TD-SCDMA, CDMA, GSM etc.).
Due in the actual measurement of the physiological signals such as electrocardio, brain electricity; usually skin cleaner and conducting resinl can be used to reduce Skin Resistance; strengthen skin and interelectrode electric conductivity; but this traditional measuring method needs time of growing very much, and the skin of human body can be damaged, be unfavorable for long-term measurement; on the other hand; lead line during physiological signal measurements and can introduce extra noise, form interference to signal, when physiological acquisition weak output signal, this interference is particularly serious.In order to solve the problem, this patent proposes a kind of active active electrode design, namely direct in traditional electrode integrated simulation amplifier, achieve physiological measurements signal amplify and noise reduce function.
Further, the mobile terminal with Electrocardiography function provided by the invention, wherein, is provided with one for the analog amplify circuit by electrocardiosignal amplification and noise decrease in described AFE (analog front end) active electrode.Refer to Fig. 8, described analog amplify circuit comprises: the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance Rc, the first electric capacity Co, the second electric capacity Cc, the first operational amplifier A MP1, the second operational amplifier A MP2, the first comparator COM1, the second comparator COM2, the first NMOS tube M1, the second NMOS tube M2, PMOS Mc, the first diode L1 and the second diode L2;
The positive input terminal of described first operational amplifier A MP1 connects the input Vin of described analog amplify circuit, and namely this input Vin receives the electrocardiosignal (analogue signal) gathered; The outfan of the first operational amplifier A MP1 connects the outfan of described analog amplify circuit, and what the outfan of described analog amplify circuit exported is amplifies the electrocardiosignal gathered and electrocardiosignal after noise decrease; The negative input end of described first operational amplifier A MP1 connects DC reference voltage end Vref by the first resistance R1, is also connected the outfan of the second operational amplifier A MP2 by the second resistance R2;
The positive input terminal of described second operational amplifier A MP2 connects the outfan of the first operational amplifier A MP1 by the 4th resistance R4, also connect DC reference voltage end Vref by the 3rd resistance R3; The negative input end of described second operational amplifier A MP2 connects the outfan of the second operational amplifier A MP2 by the first electric capacity Co, also connected the source electrode of PMOS Mc by the 8th resistance Rc; Described second operational amplifier A MP2 negative input end also connect the source electrode of the first NMOS tube M1;
The drain electrode of described first NMOS tube M1 connects the grid of the grid of the first NMOS tube M1, the drain electrode of the second NMOS tube M2 and the second NMOS tube M2 respectively; The grid of described first NMOS tube M1 connects the drain electrode of the second NMOS tube M2 and the grid of the second NMOS tube M2 respectively; The drain electrode of described second NMOS tube M2 connects the grid of the second NMOS tube M2; The source electrode of described second NMOS tube M2 by the 3rd resistance R3 connect the second operational amplifier A MP2 positive input terminal, also connect DC reference voltage end Vref; The source electrode of described second NMOS tube M2 also connects the drain electrode of PMOS Mc; That is, the drain electrode of described first NMOS tube M1, the grid of the first NMOS tube M1, the drain electrode of the second NMOS tube M2 are connected between two with the grid of the second NMOS tube M2;
The positive input terminal of described first comparator COM1, by the 7th resistance R7 ground connection, also connects the negative input end of the second comparator COM2 by the 6th resistance R6; The negative input end of described first comparator COM1 connects the positive input terminal of the second comparator COM2 and the outfan of the first operational amplifier A MP1 respectively; The outfan of described first comparator COM1 connects the grid of PMOS Mc by the first diode L1, also by the second electric capacity Cc ground connection; The negative input end of described second comparator COM2 connects power source voltage Vcc by the 5th resistance R5; The outfan of described second comparator COM2 connects the grid of PMOS Mc by the second diode L2, also by the second electric capacity Cc ground connection.
Specifically, in the physiological signal AFE (analog front end) amplifying circuit schematic diagram shown in Fig. 7, first operational amplifier A MP1 is main body path amplifier, second operational amplifier A MP2 is feedback amplifier, form integral feedback circuit, first NMOS tube M1, second NMOS tube M2 forms corresponding virtual resistance M1, M2, and virtual resistance M1, M2 and the first electric capacity Co can provide extremely low high pass by frequency, first comparator COM1, first comparator COM2 and PMOS Mc forms solution plug circuit, solve the response time caused by extremely low cut-off frequency and cross slow problem, Vin is the electricity physiological signal gathered, Vref is DC reference voltage, Vout is amplifier output voltage, the transfer function of circuit is:
；
Wherein Ad=(1+R2/R1) (1+R4/R3); Ro is the equivalent resistance of virtual resistance; A1, A2 are the open-loop gain of amplifier AMP1, AMP2 respectively;
￡1,
￡2 is the time constant of amplifier AMP1, AMP2 dominant pole respectively.
After tested, the equivalent input noise of this active electrode is about 2.6uV (150HZ bandwidth, Av=300); Common mode rejection ratio is about 100dB; Gain can be designed to 200,300,1500,2200 etc. as required; Bandwidth can be designed to 45HZ, 150HZ, 215HZ, 300HZ, 350HZ etc. as required.
Further, the described mobile terminal with Electrocardiography function, also comprises: for receiving ECG data that wireless transport module sends and diagnostic result corresponding for described ECG data being sent to the server of wireless transport module; Described server wireless connections wireless transport module.When embody rule, refer to Fig. 9, as shown in Figure 9, the mobile terminal with Electrocardiography function provided by the invention, by the ECG data detected, be sent to electrocardiogram teletherapy center by wireless transport module, thus achieve the Real-Time Monitoring of remote ecg figure, analysis and results of diagnosis and treatment can be replied to patient by wireless network is long-range, realize remote ecg diagnosis and treatment.After Electrocardiographic data acquisition to wireless terminal, store on request in wireless terminal, simultaneously after wireless terminal reception to the instruction at electrocardio diagnosis and treatment center, relevant function can be completed by the requirement at diagnosis and treatment center, as: real-time remote monitoring electrocardiogram, transmission history ECG data etc., wireless terminal can read the diagnostic result at electrocardio diagnosis and treatment center simultaneously, also can active call electrocardio diagnosis and treatment center transmit heart real time figure and carry out urgent diagnosis and treatment in real time etc., thus achieve the Real-Time Monitoring of remote ecg figure, analyze and results of diagnosis and treatment is replied to patient by wireless network is long-range, achieve remote ecg diagnosis and treatment.
Preferably, an alarm module can also being set, for when detecting that the electrocardiogram of human body has health problem, reporting to the police, specifically, can report to the police to the household of this user, report to the police also can to local healthcare structure.
The operator wireless network that the transmission of ECG data uses mainly through wireless terminal and electrocardiogram remote diagnosis center, mainly contain LTE network, WCDMA network, GSM network, cdma network, TD-SCDMA network etc., also can use the wireless transmission such as bluetooth, WiFi, NFC simultaneously.
The implementation method of local electrocardio diagnosis and treatment reads ECG data to special electrocardiograph system by the USB interface of mobile terminal, analyzed, carry out corresponding measure according to analysis result by special ecg analysis system.Preferably, local electrocardio diagnosis and treatment also can install special electrocardiograph system on mobile terminals, can carry out local real-time analysis and historical data analysis etc. to electrocardiogram and show on the display screen of mobile terminal, carry out corresponding measure according to analysis result.Special ecg analysis software system is the product that modern software technology and modern medicine combine, and according to electrocardio test data, the cardiac health of patient is analyzed out, and advises to patient accordingly, can contact if desired with electrocardio Surveillance center.
In sum, a kind of mobile terminal with Electrocardiography function provided by the invention, by increasing the sensor interface of Electrocardiography at lane terminal and increasing active electrode, described active electrode is integrated simulation amplifier chip in traditional electrode, realize the function that signal amplifies and noise reduces, thus the electrocardiosignal after preliminary treatment is sent in terminal carries out analog digital conversion and process, be identified as corresponding ECG data, and carry out showing or preserving, thus bring to user and facilitate greatly.Further, send to remote service center by wireless transport module, the Real-Time Monitoring of remote ecg figure, analysis results of diagnosis and treatment is replied to patient by wireless network is long-range can be realized, realize remote ecg diagnosis and treatment.Further, according to the electrocardiogram (ECG) data collected, design specialized ecg analysis software, analyzes out the cardiac health of patient according to electrocardio test result, and advises to patient accordingly, can contact if desired with electrocardio Surveillance center.Further, by Electrocardiographic testing result data except pass to wireless network Surveillance center and local store check except, also be stored on SD card, by SD card, electrocardio test data is copied out from wireless terminal, ECG data on SD card can copy to support SD interface equipment on, comprise that diagnosis and treatment center is out carried out data copy storing by SD card, processed, analysis etc.Also can say that Electrocardiographic testing result is transmitted out by USB interface, be used for storage, process, analysis etc. on miscellaneous equipment, bring to user and facilitate greatly.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (7)
1. there is a mobile terminal for Electrocardiography function, it is characterized in that, comprising:
For gathering multiple AFE (analog front end) active electrodes of human ecg signal;
Electrocardiosignal for transmitting electrocardiosignal is led interface;
For described electrocardiosignal being converted to the analog-to-digital conversion module of corresponding digital signal;
For by described Digital Signal Processing being the processor of corresponding ECG data;
For showing the display module of described ECG data;
Described multiple AFE (analog front end) active electrode by electrocardiosignal lead interface connect analog-to-digital conversion module; Described analog-to-digital conversion module, processor are connected successively with display module;
One is provided with for the analog amplify circuit by electrocardiosignal amplification and noise decrease in described AFE (analog front end) active electrode;
Described analog amplify circuit comprises: the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the first electric capacity, the second electric capacity, the first operational amplifier, the second operational amplifier, the first comparator, the second comparator, the first NMOS tube, the second NMOS tube, PMOS, the first diode and the second diode;
The positive input terminal of described first operational amplifier connects the input of described analog amplify circuit; The outfan of the first operational amplifier connects the outfan of described analog amplify circuit; The negative input end of described first operational amplifier connects DC reference voltage end by the first resistance, is also connected the outfan of the second operational amplifier by the second resistance;
The positive input terminal of described second operational amplifier connects the outfan of the first operational amplifier by the 4th resistance, also connect DC reference voltage end by the 3rd resistance; The negative input end of described second operational amplifier connects the outfan of the second operational amplifier by the first electric capacity, also connected the source electrode of PMOS by the 8th resistance; The negative input end of described second operational amplifier also connects the source electrode of the first NMOS tube;
The drain electrode of described first NMOS tube connects the grid of the grid of the first NMOS tube, the drain electrode of the second NMOS tube and the second NMOS tube respectively; The grid of described first NMOS tube connects the drain electrode of the second NMOS tube and the grid of the second NMOS tube respectively; The drain electrode of described second NMOS tube connects the grid of the second NMOS tube; The source electrode of described second NMOS tube connects the positive input terminal of the second operational amplifier by the 3rd resistance, also connect DC reference voltage end; The source electrode of described second NMOS tube also connects the drain electrode of PMOS;
The positive input terminal of described first comparator, by the 7th resistance eutral grounding, also connects the negative input end of the second comparator by the 6th resistance; The negative input end of described first comparator connects the positive input terminal of the second comparator and the outfan of the first operational amplifier respectively; The outfan of described first comparator connects the grid of PMOS by the first diode, also by the second capacity earth; The negative input end of described second comparator connects supply voltage by the 5th resistance; The outfan of described second comparator connects the grid of PMOS by the second diode, also by the second capacity earth.
2. the mobile terminal with Electrocardiography function according to claim 1, is characterized in that, also comprise: for transmitting the USB interface of ECG data; Described USB interface connection handling device.
3. the mobile terminal with Electrocardiography function according to claim 1, is characterized in that, also comprise: for storing the memorizer of ECG data; Described memorizer connection handling device.
4. the mobile terminal with Electrocardiography function according to claim 1, is characterized in that, also comprise: for the wireless transport module of ECG data described in wireless transmission; Described wireless transport module connection handling device.
5. the mobile terminal with Electrocardiography function according to claim 4, it is characterized in that, also comprise: for receiving ECG data that wireless transport module sends and diagnostic result corresponding for described ECG data being sent to the server of wireless transport module; Described server wireless connections wireless transport module.
6. the mobile terminal with Electrocardiography function according to claim 1, is characterized in that, also comprise: for analyzing the analysis module of the cardiac health of human body according to described ECG data; Described analysis module connection handling device.
7. the mobile terminal with Electrocardiography function according to claim 1, it is characterized in that, described AFE (analog front end) active electrode comprises: the first electrode, the second electrode, the 3rd electrode, the 4th electrode, the 5th electrode, the 6th electrode, the 7th electrode, the 8th electrode, the 9th electrode, the tenth electrode, the 11 electrode, the 12 electrode, the 13 electrode, the 14 electrode, the 15 electrode and the 16 electrode;
The left upper extremity of described first Electrode connection human body; The right upper extremity of described second Electrode connection human body; The left lower extremity of described 3rd Electrode connection human body; The right lower extremity of described 4th Electrode connection human body; 4th intercostal space right border of sternum of described 5th Electrode connection human body; 4th intercostal space left border of sternum of described 6th Electrode connection human body; 5th intercostal space left mid-clavicular line of described 8th Electrode connection human body; Between 4th intercostal space left border of sternum of described 7th Electrode connection human body and the 5th intercostal space left mid-clavicular line; 5th left anterior axillary line, intercostal space of described 9th Electrode connection human body; The 5th left midaxillary line in intercostal space of described tenth Electrode connection human body; The 5th left posterior axillary line in intercostal space of described 11 Electrode connection human body; The 5th left infrascapular line in intercostal space of described 12 Electrode connection human body; 5th intercostal space left paravertebral line of described 13 Electrode connection human body; 5th intercostal space right midclavicular line of described 15 Electrode connection human body; Between 4th intercostal space right border of sternum of described 14 Electrode connection human body and the 5th intercostal space right midclavicular line; 5th right anterior axillary line, intercostal space of described 16 Electrode connection human body.
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Effective date of registration: 20211116 Address after: 264200 No. 58, Dalian Road, Weihai high district, Weihai City, Shandong Province Patentee after: Shandong Carl Electric Co., Ltd Address before: 516006 No. 86, Hechang seventh Road West, Zhongkai high tech Zone, Huizhou City, Guangdong Province Patentee before: Huizhou TCL mobile communication Co., Ltd |
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Denomination of invention: A mobile terminal with ECG detection function Effective date of registration: 20220329 Granted publication date: 20150325 Pledgee: Industrial and Commercial Bank of China Limited Weihai GaoKai sub branch Pledgor: SHANDONG KAER ELECTRIC Co.,Ltd. Registration number: Y2022980003488 |