CN203861212U - Multi-lead remote electrocardiogram monitoring device - Google Patents
Multi-lead remote electrocardiogram monitoring device Download PDFInfo
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- CN203861212U CN203861212U CN201420164089.0U CN201420164089U CN203861212U CN 203861212 U CN203861212 U CN 203861212U CN 201420164089 U CN201420164089 U CN 201420164089U CN 203861212 U CN203861212 U CN 203861212U
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- 238000012806 monitoring device Methods 0.000 title abstract 4
- 238000012544 monitoring process Methods 0.000 claims abstract description 26
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 230000003321 amplification Effects 0.000 claims abstract description 15
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 11
- 238000005070 sampling Methods 0.000 claims abstract description 7
- 238000012546 transfer Methods 0.000 claims description 20
- 230000003139 buffering effect Effects 0.000 claims description 14
- 210000003141 lower extremity Anatomy 0.000 claims description 9
- 230000002452 interceptive effect Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000005538 encapsulation Methods 0.000 abstract 1
- 208000019622 heart disease Diseases 0.000 description 5
- 230000000747 cardiac effect Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
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- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003130 cardiopathic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003759 clinical diagnosis Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
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- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 150000004665 fatty acids Chemical class 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Abstract
The utility model relates to a multi-lead remote electrocardiogram monitoring device. The multi-lead remote electrocardiogram monitoring device is characterized by comprising lead heads, a front end acquisition circuit, a buffer following circuit, a Wilson circuit, a front end amplification circuit, a right leg drive circuit, an MCU, a Zigbee wireless network transmission module and a monitoring end, wherein the lead heads are used for detecting human body electrocardiosignals; the front end acquisition circuit is used for collecting the human body electrocardiosignals; the buffer following circuit is used for carrying out sufficient acquisition and filtering processing on the input human body electrocardiosignals; the Wilson circuit generates center reference voltage; the front end amplification circuit conducts differential amplification on the electrocardiosignals and the reference voltage; the right leg drive circuit is used for filtering out power frequency interference signals; the MCU is used for carrying out sampling, amplification and encapsulation transmission processing on electrocardio analog signals after secondary amplification is conducted; the Zigbee wireless network transmission module is used for transmitting digitized electrocardiosignals to the monitoring end; the monitoring end is used for displaying the received electrocardiosignals. The multi-lead remote electrocardiogram monitoring device can be widely applied to electrocardiogram monitoring occasions of families or communities.
Description
Technical field
This utility model relates to a kind of electrocardio-monitor, particularly about a kind of multi-lead remote electrocardiogram monitor device.
Background technology
In recent years, along with the quickening of social development, social competition's pressure increases severely, and people, in living high-caliber life, are also standing high pressure life, intensive work, and this causes the collocation serious unbalance of people's regular diet and motion.Nonstandard life or work habit, for example often stay up late, long-term smoking, excessive drinking, quantity of motion is few, and the food that a large amount of absorptions contain higher fatty acid, high salinity, high-carbohydrate etc., these are all the main arch-criminals of heart disease, for cardiopathic morbidity brings hidden danger, therefore recent years, the heart disease sickness rate in the whole world and because the case of heart disease death improves year by year, and the age bracket of heart disease morbidity was also changed to young and middle-aged age bracket by former middle-aged and elderly people age bracket, this has to cause the attention of relevant department.
Because electrocardiosignal has near field characteristic, faint property, low frequency, be easily disturbed and the feature such as randomness, we must carry out accurately real-time collection to signal, and are forecast and remind, and guarantee that patient can obtain medical treatment in time.The conventional cardiac monitoring equipment acquired signal time of hospital is short, and is to gather under quiescent conditions, for the high heart disease of disguise, is difficult to discover.Mobile electrocardiogram acquisition equipment Holter(ambulatory electrocardiogram) electrocardiosignal of long period section can only be temporary in memory card, the health status of monitored patient that can not be real-time, as emergency case, can not treat timely and effectively.And along with the high standard requirement of medical diagnosis, conventional singly lead, five lead and seven lead because its deviation in clinical diagnosis is more, progressively step down from the stage of history at present.And the 12 lead cardiac monitoring equipment that at present medical science adopts can only carry out collection and the output of local signal, do not possess remote medical monitor function, and 12 lead cardiac monitoring equipment is bulky, power consumption is large, is not suitable for promoting in family and community.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of multi-lead remote electrocardiogram monitor device portable, low in energy consumption, this device not only can Real-Time Monitoring patient electrocardiosignal, and can exactly Monitoring Data be transferred to Surveillance center, thereby realize, patient is carried out to long distance monitoring.
For achieving the above object, this utility model is taked following technical scheme: a kind of multi-lead remote electrocardiogram monitor device, is characterized in that: it comprises the head that leads, front-end acquisition circuit, buffering follow circuit, Wilson's circuit, frontend amplifying circuit, driven-right-leg circuit, second amplifying circuit, MCU, Zigbee wireless network transmission module and monitoring client; The described head that leads is made up of the right lower limb electrode slice of the RL with conducting wire, RA right arm electrode sheet, the left lower limb electrode slice of LL, LA left arm electrode Pian He six tunnel chest electrode sheet C1～C6; LA, RA, the faint electrocardiosignal of LL and C1～C6Jiu road that described front-end acquisition circuit detects the described head that leads are sent into described buffering follow circuit; Described buffering follow circuit carries out the interference that fully gather and the each electrode slice of filtering produces because of impedance difference to the electrocardiosignal receiving, in filtering interfering Hou nine tunnel electrocardiosignaies, LA, RA and LL signal transfer to described Wilson's circuit, and filtering interfering Hou nine tunnel electrocardiosignaies all transfer to described frontend amplifying circuit; Described Wilson's circuit is processed rear generation one reference voltage and transfers to described frontend amplifying circuit the LA receiving, RA and LL signal; Described frontend amplifying circuit carries out differential amplification to receiving Jiu road electrocardiosignal and reference voltage, obtain nine tunnel ECG simulator signals, wherein a road ECG simulator signal transfers to described driven-right-leg circuit, and all the other eight tunnel ECG simulator signals transfer to described second amplifying circuit; Described driven-right-leg circuit feeds back to the right lower limb of human body by the ECG simulator signal that is mixed with the interference of 50Hz power frequency receiving by RL electrode slice, and filtering 50Hz common mode power frequency is disturbed; Described second amplifying circuit carries out transferring to described MCU after processing and amplifying to receiving Ba road ECG simulator signal; Described MCU carries out sampling processing to the ECG simulator signal after secondary amplifies receiving, and the digitized electrocardiosignal obtaining of sampling is carried out after digital filtering, by extremely described Zigbee network transport module of universal asynchronous receiving-transmitting transmitter mode transfer; The digital electrocardiosignal receiving is transferred to described monitoring client by described Zigbee network transport module, shown in real time by described monitoring client.
Described buffering follow circuit is made up of nine paths of parallel connection, and every described path is made up of an OP4177 series operational amplifier and peripheral circuit thereof.
The resistance of the resistances such as described Wilson's circuit employing forms center reference circuit.
Described pre-amplification circuit adopts the instrument amplifier that model is AD620.
Described driven-right-leg circuit is connected and composed by drive circuit and RL electrode slice, and three amplifier module-cascades in the operational amplifier of described drive circuit employing OP4177 series form.
Described second amplifying circuit adopts rail-to-rail input/output operation amplifier and some resistance, the electric capacity that model is MAX4044 to form.
Described MCU adopts embedded microprocessor MSP430.
This utility model is owing to taking above technical scheme, it has the following advantages: 1, this utility model is owing to being made up of the head that leads, front-end acquisition circuit, buffering follow circuit, Wilson's circuit, frontend amplifying circuit, driven-right-leg circuit, second amplifying circuit, MCU, Zigbee wireless network transmission module and monitoring client, therefore this utility model structure small and exquisite, be easy to carry.2, this utility model is because the electrocardiosignal of the high-precision meter amplifier AD620 that adopts high accuracy, low noise, low-power consumption after to the elimination difference receiving amplified; Adopt the rail-to-rail input/output operation amplifier of low-power consumption MAX4044 to carry out secondary amplification to receiving Ba road ECG simulator signal; Adopt 16 embedded microprocessor MSP430 of super low-power consumption to carry out the processing such as analog digital conversion, filtering and encapsulated delivery to the ECG simulator signal receiving; Adopt low in energy consumption, time delay is short, capacity is large, strong security and the high ZigBee radio sensing network module of reliability are transmitted the digital electrocardiosignal receiving; Therefore the utlity model has feature low in energy consumption.3, this utility model is owing to adopting ZigBee wireless network transmission module that the electrocardiosignal of measurement is real-time transmitted to monitoring client, therefore important vital signs parameter can dynamically be monitored and transmit to this utility model in real time, incessantly, and the data of acquisition are sent to monitoring client in real time, realize the long distance monitoring to patient.Based on above advantage, this utility model can be widely used in the cardiac monitoring occasion of family or community.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is described in detail.
As shown in Figure 1, this utility model comprises the right lower limb by the RL(with conducting wire) electrode slice, RA(right arm) electrode slice, the left lower limb of LL() electrode slice, LA(left arm) electrode slice He Liu road chest electrode sheet C1～C6 form lead 1, front-end acquisition circuit 2, buffering follow circuit 3, Wilson's circuit 4, frontend amplifying circuit 5, driven-right-leg circuit 6, second amplifying circuit 7, MCU8, Zigbee wireless network transmission module 9 and monitoring client 10.
The faint electrocardiosignal in 1 LA who detects, RA, LL and C1～C6Jiu road of leading is sent into buffering follow circuit 3 after front-end acquisition circuit 2 gathers.Buffering follow circuit 3 fully gathers the electrocardiosignal receiving and adopts the each electrode slice of impedance matching mode filtering because of the different interference that produce of impedance.On the one hand, in filtering interfering Hou nine tunnel electrocardiosignaies, LA, RA and LL signal transfer to Wilson's circuit 4, after Wilson's circuit 4 is processed, produce a reference voltage and transfer to frontend amplifying circuit 5; On the other hand, filtering interfering Hou nine tunnel electrocardiosignaies all transfer to frontend amplifying circuit 5, frontend amplifying circuit 5 carries out differential amplification to receiving Jiu road electrocardiosignal and reference voltage, obtain nine tunnel ECG simulator signals, wherein a road ECG simulator signal transfers to driven-right-leg circuit 6, and all the other eight tunnel ECG simulator signals transfer to second amplifying circuit 7.Driven-right-leg circuit 6 feeds back to the right lower limb of human body by the ECG simulator signal that is mixed with the interference of 50Hz power frequency receiving by RL electrode slice, and filtering 50Hz common mode power frequency is disturbed.Second amplifying circuit 7 carries out transferring to MCU8 after processing and amplifying to receiving Ba road ECG simulator signal, MCU8 carries out sampling processing to the ECG simulator signal after secondary amplifies receiving, and the digitized electrocardiosignal that sampling is obtained is carried out after digital filtering, by UART(universal asynchronous receiving-transmitting transmitter, Universal Asynchronous Receiver Transmitter) mode transfer is to Zigbee network transport module 9, the digital electrocardiosignal receiving is transferred to monitoring client 10 by Zigbee network transport module 9, shown in real time by monitoring client 10.
In above-described embodiment, front-end acquisition circuit 2 adopts second-order filter mu balanced circuit to carry out transferring to buffering follow circuit 3 after filtering and voltage stabilizing to the faint electrocardiosignal receiving.
In above-described embodiment, buffering follow circuit 3 is made up of nine paths of parallel connection, and wherein, every path is made up of an OP4177 series operational amplifier and peripheral circuit thereof.The input impedance that improves LA, RA, LL and C1～C6Jiu road electrocardiosignal by the operational amplifier in every path, reduces because impedance mismatch transmits on LA, RA, LL and C1～C6Jiu road electrocardiosignal the impact causing.
In above-described embodiment, Wilson's circuit 4 such as adopts to form center reference circuit at the resistance of resistance, and the LA receiving, RA HeLL tri-tunnel electrocardiosignaies are carried out to mathematical logic processing, obtains a reference voltage and transfers to frontend amplifying circuit 5.
In above-described embodiment, pre-amplification circuit 5 adopts the high-precision meter amplifier AD620 of high accuracy, low noise, low-power consumption, and this instrument amplifier AD620 can amplify 7～8 times by the electrocardiosignal after the elimination difference receiving.
In above-described embodiment, driven-right-leg circuit 6 is connected and composed by drive circuit and RL electrode slice, and three amplifier module-cascades in the operational amplifier of drive circuit employing OP4177 series form.Electrocardiosignal after Wilson's circuit 4 erasure signal differences is after the front two stage amplifer module in overdrive circuit, and its input impedance increases, and its output impedance reduces; The form that third level amplifier module adopts anti-phase open loop to amplify, being mixed with after the form amplification of 50Hz power frequency common mode interference signal Yi road ECG simulator signal with anti-phase amplification of collecting, feed back to human body by RL electrode slice, leach approximately 99% power frequency common mode interference signal, thereby eliminate the impact of parasitic capacitance on electrocardiosignal.
In above-described embodiment, second amplifying circuit 7 adopts the rail-to-rail input/output operation amplifier of the low-power consumption MAX4044 that two amplifications are 75, and some resistance, electric capacity form the peripheral circuit of the rail-to-rail input/output operation amplifier of low-power consumption MAX4044.Second amplifying circuit 7 will receive Ba road ECG simulator signal and amplify altogether 100～150 times.
In above-described embodiment, MCU8 adopts 16 embedded microprocessor MSP430 of super low-power consumption, and first MSP430 carries out analog digital conversion to receiving Ba road ECG simulator signal, obtains digitized electrocardiosignal; Secondly digitized electrocardiosignal is carried out to digital filtering processing, obtain eight pure railway digital electrocardiosignaies; Finally pure electrocardiosignal is packaged into Frame, and passes through UART mode transfer to Zigbee wireless network transmission module 9.
In above-described embodiment, Zigbee wireless network transmission module 9 adopts ZigBee radio sensing network, and ZigBee radio sensing network adopts tree structure, its have low in energy consumption, time delay is short, capacity is large, strong security, reliability high.The eight railway digital ecg signal data frames that receive are transferred to monitoring client 10 by Zigbee wireless network transmission module 9, shown in real time by monitoring client 10.
The various embodiments described above are only for illustrating this utility model; wherein structure, the connected mode etc. of each parts all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (10)
1. a multi-lead remote electrocardiogram monitor device, is characterized in that: it comprises the head that leads, front-end acquisition circuit, buffering follow circuit, Wilson's circuit, frontend amplifying circuit, driven-right-leg circuit, second amplifying circuit, MCU, Zigbee wireless network transmission module and monitoring client;
The described head that leads is made up of the right lower limb electrode slice of the RL with conducting wire, RA right arm electrode sheet, the left lower limb electrode slice of LL, LA left arm electrode Pian He six tunnel chest electrode sheet C1～C6;
LA, RA, the faint electrocardiosignal of LL and C1～C6Jiu road that described front-end acquisition circuit detects the described head that leads are sent into described buffering follow circuit;
Described buffering follow circuit carries out the interference that fully gather and the each electrode slice of filtering produces because of impedance difference to the electrocardiosignal receiving, in filtering interfering Hou nine tunnel electrocardiosignaies, LA, RA and LL signal transfer to described Wilson's circuit, and filtering interfering Hou nine tunnel electrocardiosignaies all transfer to described frontend amplifying circuit;
Described Wilson's circuit is processed rear generation one reference voltage and transfers to described frontend amplifying circuit the LA receiving, RA and LL signal;
Described frontend amplifying circuit carries out differential amplification to receiving Jiu road electrocardiosignal and reference voltage, obtain nine tunnel ECG simulator signals, wherein a road ECG simulator signal transfers to described driven-right-leg circuit, and all the other eight tunnel ECG simulator signals transfer to described second amplifying circuit;
Described driven-right-leg circuit feeds back to the right lower limb of human body by the ECG simulator signal that is mixed with the interference of 50Hz power frequency receiving by RL electrode slice, and filtering 50Hz common mode power frequency is disturbed;
Described second amplifying circuit carries out transferring to described MCU after processing and amplifying to receiving Ba road ECG simulator signal;
Described MCU carries out sampling processing to the ECG simulator signal after secondary amplifies receiving, and the digitized electrocardiosignal obtaining of sampling is carried out after digital filtering, by extremely described Zigbee network transport module of universal asynchronous receiving-transmitting transmitter mode transfer;
The digital electrocardiosignal receiving is transferred to described monitoring client by described Zigbee network transport module, shown in real time by described monitoring client.
2. a kind of multi-lead remote electrocardiogram monitor device as claimed in claim 1, is characterized in that: described buffering follow circuit is made up of nine paths of parallel connection, and every described path is made up of an OP4177 series operational amplifier and peripheral circuit thereof.
3. a kind of multi-lead remote electrocardiogram monitor device as claimed in claim 1, is characterized in that: the resistance of the resistances such as described Wilson's circuit employing forms center reference circuit.
4. a kind of multi-lead remote electrocardiogram monitor device as claimed in claim 2, is characterized in that: the resistance of the resistances such as described Wilson's circuit employing forms center reference circuit.
5. a kind of multi-lead remote electrocardiogram monitor device as claimed in claim 1 or 2 or 3 or 4, is characterized in that: described pre-amplification circuit adopts the instrument amplifier that model is AD620.
6. a kind of multi-lead remote electrocardiogram monitor device as claimed in claim 1 or 2 or 3 or 4, it is characterized in that: described driven-right-leg circuit is connected and composed by drive circuit and RL electrode slice, three amplifier module-cascades in the operational amplifier of described drive circuit employing OP4177 series form.
7. a kind of multi-lead remote electrocardiogram monitor device as claimed in claim 5, it is characterized in that: described driven-right-leg circuit is connected and composed by drive circuit and RL electrode slice, three amplifier module-cascades in the operational amplifier of described drive circuit employing OP4177 series form.
8. a kind of multi-lead remote electrocardiogram monitor device as described in claim 1 or 2 or 3 or 4 or 7, is characterized in that: described second amplifying circuit adopts rail-to-rail input/output operation amplifier and some resistance, the electric capacity that model is MAX4044 to form.
9. a kind of multi-lead remote electrocardiogram monitor device as described in claim 1 or 2 or 3 or 4 or 7, is characterized in that: described MCU adopts embedded microprocessor MSP430.
10. a kind of multi-lead remote electrocardiogram monitor device as claimed in claim 8, is characterized in that: described MCU adopts embedded microprocessor MSP430.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164089.0U CN203861212U (en) | 2014-04-04 | 2014-04-04 | Multi-lead remote electrocardiogram monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420164089.0U CN203861212U (en) | 2014-04-04 | 2014-04-04 | Multi-lead remote electrocardiogram monitoring device |
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| CN203861212U true CN203861212U (en) | 2014-10-08 |
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| CN201420164089.0U Expired - Lifetime CN203861212U (en) | 2014-04-04 | 2014-04-04 | Multi-lead remote electrocardiogram monitoring device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106020070A (en) * | 2016-07-29 | 2016-10-12 | 苏州博众精工科技有限公司 | Novel analog signal amplifier |
| CN107788968A (en) * | 2017-03-07 | 2018-03-13 | 中南大学 | A kind of contactless multi-lead electrocardiogram monitor system based on array type capacity electrode |
| CN109717843A (en) * | 2017-10-27 | 2019-05-07 | 贵州骏江实业有限公司 | A kind of palmus detection system and detection method |
| CN110085108A (en) * | 2019-03-08 | 2019-08-02 | 台州学院 | A kind of electrocardiosignal analogue system |
| CN113317795A (en) * | 2020-02-29 | 2021-08-31 | 华为技术有限公司 | Signal measurement method and device |
| CN114305437A (en) * | 2020-10-10 | 2022-04-12 | Oppo（重庆）智能科技有限公司 | Electrocardio characteristic detection device and method and electrocardio characteristic detection system |
-
2014
- 2014-04-04 CN CN201420164089.0U patent/CN203861212U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106020070A (en) * | 2016-07-29 | 2016-10-12 | 苏州博众精工科技有限公司 | Novel analog signal amplifier |
| CN106020070B (en) * | 2016-07-29 | 2018-12-28 | 博众精工科技股份有限公司 | A kind of novel analog signal amplifier |
| CN107788968A (en) * | 2017-03-07 | 2018-03-13 | 中南大学 | A kind of contactless multi-lead electrocardiogram monitor system based on array type capacity electrode |
| CN109717843A (en) * | 2017-10-27 | 2019-05-07 | 贵州骏江实业有限公司 | A kind of palmus detection system and detection method |
| CN110085108A (en) * | 2019-03-08 | 2019-08-02 | 台州学院 | A kind of electrocardiosignal analogue system |
| CN113317795A (en) * | 2020-02-29 | 2021-08-31 | 华为技术有限公司 | Signal measurement method and device |
| CN113317795B (en) * | 2020-02-29 | 2022-11-22 | 华为技术有限公司 | Signal measurement method and device |
| CN114305437A (en) * | 2020-10-10 | 2022-04-12 | Oppo（重庆）智能科技有限公司 | Electrocardio characteristic detection device and method and electrocardio characteristic detection system |
| CN114305437B (en) * | 2020-10-10 | 2024-01-30 | Oppo（重庆）智能科技有限公司 | Electrocardiogram feature detection device and method, and electrocardiograph feature detection system |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20141008 |