CN102860822A - Wrist electrocardio blood pressure measurement device - Google Patents
Wrist electrocardio blood pressure measurement device Download PDFInfo
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- CN102860822A CN102860822A CN2012104075934A CN201210407593A CN102860822A CN 102860822 A CN102860822 A CN 102860822A CN 2012104075934 A CN2012104075934 A CN 2012104075934A CN 201210407593 A CN201210407593 A CN 201210407593A CN 102860822 A CN102860822 A CN 102860822A
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Abstract
The invention discloses a wrist electrocardio blood pressure measurement device which comprises a casing, an electrocardio signal measurement module, a blood pressure measurement module, a micro-processor module and a display module. The blood pressure measurement module comprises a wrist belt. The electrocardio signal measurement module comprises an electrocardio electrode group and an electrocardio signal amplifying filter circuit. The electrocardio electrode group comprises a first detecting electrode fixed on the upper surface of the casing and a second detecting electrode fixed on a contacted surface between the wrist belt and a wrist. The first detecting electrode and the second detecting electrode respectively sense electrocardio signals and are connected with the micro-processor module through the electrocardio signal amplifying filter circuit. The blood pressure measurement module is also connected with the micro-processor module. The micro-processor module displays heart beat data and blood pressure data on a display module on the upper surface of the casing. The casing is fixed on the wrist belt. The wrist electrocardio blood pressure measurement device is convenient to carry and use and can measure and display electrocardiogram data, heart rate data and blood pressure data simultaneously.
Description
Technical field
The present invention relates to a kind of electrocardio blood pressure measurement device, particularly ECG data, heart rate data and blood pressure data can be measured and show to a kind of wrist formula electrocardio blood pressure measurement device (being called for short " equipment ") simultaneously.
Background technology
The disease of current heart and blood pressure aspect is seriously perplexing the mankind, the detection and diagnosis of these two kinds of symptom is all needed usually Electrocardiography equipment and the blood pressure checkout equipment of specialty, mainly comprises electrocardiogram monitor, blood pressure instrument etc.
Because the variation of electrocardio and blood pressure has certain relatedness, and blood pressure and cardiac electrical measurement are combined the heart, the cerebrovascular situation that more is conducive to reflect the tested personnel.Although the electrocardio equipment that Hospitals at Present often uses can accurately detect electrocardiosignal, but its mobility and portability but exist very large problem, the disease of electrocardio aspect has the features such as sudden, the easy undulatory property of blood pressure is so that real-time detection becomes unusually important in addition, so some portable electrocardio equipment and blood pressure device begin to appear on the market, but this equipment that occurs at present cannot be in the monitoring electrocardiosignal again can the synchronous monitoring blood pressure, and it is not easy to carry.
Summary of the invention
Goal of the invention: for the problem and shortage of above-mentioned prior art existence, the purpose of this invention is to provide a kind of wrist formula electrocardio blood pressure measurement device, be convenient for carrying and use, the ordinary people can be voluntarily exactly side by side synchro measure blood pressure, electrocardiogram and heart rate, and obtain seven kinds of arrhythmia and height dysarteriotony information.
Technical scheme: for achieving the above object, the technical solution used in the present invention is a kind of wrist formula electrocardio blood pressure measurement device, comprise housing, the electrocardiosignal measurement module, the blood pressure measurement module, the A/D data acquisition module, microprocessor module and display module, described blood pressure measurement module comprises wrist strap, described electrocardiosignal measurement module comprises electrocardioelectrode group and electrocardiosignal filtering and amplifying circuit, described electrocardioelectrode group comprises the first detecting electrode of being fixed in the housing upper surface and the second detecting electrode that is fixed in the surface that wrist strap contacts with wrist, described the first detecting electrode and the second detecting electrode are responded to respectively electrocardiosignal, and by electrocardiosignal filtering and amplifying circuit connection A/D data acquisition module, described blood pressure measurement module also connects the A/D data acquisition module, described A/D data acquisition module is converted to digital signal with the electrocardiosignal that receives and blood pressure signal and enters described microprocessor module and process, described microprocessor module shows heartbeat data and blood pressure data at the display module of the upper surface that is positioned at housing, described housing is fixed on the wrist strap.Microprocessor module carries out signal analysis and processing and provides control signal for the measuring process of electrocardio measurement module and blood pressure measurement module.Other module all places the inside of housing.
Preferably, described electrocardioelectrode group also comprises the drive electrode that is fixed in the surface that wrist strap contacts with wrist, and described drive electrode connects the drive circuit of described electrocardiosignal filtering and amplifying circuit.Described drive electrode can parallelly be placed with the second detecting electrode.
Preferably, also comprise the memory module that connects described microprocessor module.
Preferably, also comprise the key-press module that connects described microprocessor module, described key-press module is positioned at the upper surface of housing.More preferably, described key-press module comprises button for switchgear, is used for starting the button measured, is used for button, the button that is used for stored record that stops to measure and is used for setting-up time and the button on date.The functions such as the startup of user by the key-press module control appliance, storage, playback.
Preferably, the spacing between described drive electrode and the second detecting electrode is fixed.
Preferably, described wrist strap is connected by buckle with housing, so that both are difficult for producing displacement, guarantees the accuracy of measurement result.
Preferably, described display module is LCDs.
Beneficial effect: the integrated electrocardio of the present invention is measured and blood pressure measuring function, can be in the blood pressure measurement process synchro measure electrocardiosignal in real time simultaneously, for cardiovascular disease diagnosis and daily monitoring provide more comprehensive information; Adopted novel wrist formula electrocardio measuring technique, need not disposable electrode sheet or electrode holder that ordinary electrocardiogram measure to need, the user measures convenient, not only accurately but also easy to carry; Blood pressure measurement module and electrocardiosignal measurement module shared data acquisition module, signal processing module, display module and memory module etc. have improved the integrated level of system, have reduced production cost and user cost.
Description of drawings
Fig. 1 is systematic schematic diagram of the present invention;
Fig. 2 is device structure schematic diagram of the present invention;
Fig. 3 is electrocardiosignal measurement module schematic diagram of the present invention;
Fig. 4 is blood pressure measurement module principle figure of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention, should understand these embodiment only is used for explanation the present invention and is not used in and limits the scope of the invention, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present invention.
As depicted in figs. 1 and 2, wrist formula electrocardio blood pressure measurement device of the present invention comprises electrocardiosignal measurement module 101, blood pressure measurement module 102, A/D data acquisition module 103, microprocessor module 104, memory module 105, display module 106 and key-press module 107.Electrocardiosignal measurement function and blood pressure measuring function share A/D data acquisition module 103, microprocessor module 104, memory module 105, display module 106 and key-press module 107; Electrocardiosignal measurement module 101, blood pressure measurement module 102 are connected to respectively A/D data acquisition module 103, electrocardiosignal and blood pressure signal are converted to digital signal through A/D data acquisition module 103 enter microprocessor module 104, calculate instantaneous heart rate and pressure value by respective algorithms, show at display module 106; Microprocessor module 104 carries out signal analysis and processing and provides control signal for the measuring process of electrocardio measurement module 101 and blood pressure measurement module 102; The functions such as the startup of user by key-press module 107 control appliances, storage, playback.The electrocardiosignal measurement module comprises electrocardioelectrode group and electrocardiosignal filtering and amplifying circuit (removing three electrodes and A/D data acquisition module 103 parts among Fig. 3), the electrocardioelectrode group is comprised of three electrodes, the first detecting electrode 201 is fixed in housing 204 upper surfaces, the second detecting electrode 202 is fixed in the surface that wrist strap 205 contacts with wrist with drive electrode 203, and parallel placement also keeps at a certain distance away; Display module 106 and key-press module 107 are positioned at the upper surface of housing 204; Other modules of equipment all place the inside of housing 204, do not illustrate at Fig. 2; Housing 204 is fixed on the wrist strap 205 by buckle (not shown).Obtain faint electrocardiosignal from human body wrist with the first detecting electrode 201, the second detecting electrode 202, by the electrocardiosignal filtering and amplifying circuit it is amplified and Filtering Processing, deliver to microprocessor module 104 through the digital signal after A/D data acquisition module 103 (the A/D translation function of using microprocessor module to carry in this example realizes) conversion.Microprocessor module 104 adopts the MSP430F5529 of TI company in this example, and data acquisition, data are preserved (memory function of using microprocessor internal) and the functions such as data analysis and symptom prompting.
As shown in Figure 3, the first detecting electrode 201 and the second detecting electrode 202 are connected to the differential input end of preamplifier state 302 through input protection circuit 301, by step low- pass 303 and 304 filtering of 50Hz wave trap, amplify 305 access A/D data acquisition modules 103 through rear class again; Drive circuit 307 takes out signal from preamplifier state 302, and through the anti-phase drive electrode 302 that is added to, its effect is to offset a part of interfering signal by negative feedback; Preamplifier state 302 (10 times) adopts high accuracy, low-power consumption instrument amplifier AD620, and common amplifier chip LM358 consists of step low-pass 303,50Hz wave trap 304 and rear class and amplifies 305 (100 times), and the amplitude of obtaining is the electrocardiosignal about 1V; Use LM358 composition negative feedback drive circuit 307 and utilize negative feedback mechanism further to suppress the interference of 50Hz power frequency by drive electrode 203.The electrocardiosignal filtering and amplifying circuit can accurately obtain R ripple position simultaneously with QRS wave shaping circuit 308.Because it is that positive-negative polarity is inverted relation that equipment is worn on left hand the wrist ecg wave form that produces and the ecg wave form that is worn on the generation of right hand wrist, equipment can be identified automatically by the positive-negative polarity of QRS wave group testing circuit 308 output waveforms in the electrocardiosignal filtering and amplifying circuit, and is adjusted into positive polarity in final ecg wave form demonstration and R ripple testing process.
Electrocardiosignal after the electrocardiosignal measurement module amplification filtering enters microprocessor module 104 through A/D data acquisition module 103, calculates instantaneous heart rate in microprocessor module 104; The instantaneous heart rate that calculates can be pointed out 7 kinds of arrhythmia diagnostic messages by parser (those skilled in the art know), comprise: (1) bradycardia, (2) tachycardia, (3) sinus arrest, (4) leakage is fought, (5) premature beat, (the QRS wave group initial part of expression ventricular premature contraction comes across on the T ripple of beating (6) RonT; This phenomenon often can cause quivering in chamber speed and chamber etc. fatal arrhythmia), (7) sinus rate is uneven.
The algorithmic formula of arrhythmia diagnostic message institute foundation is:
1, bradycardia
(heart rate＜50 time/minute);
2, tachycardia
(heart rate＞120 time/minute);
3, sinus arrest RR＞2s;
4, leakage is fought
5, premature beat
6、RonT RR＜333ms
7, the uneven RR of sinus rate
I-1-RR
i＞0.12s
Annotate: RR is the interval between twice heart beating;
RR
I-1-RR
iThe difference that represents i-1 interval and i interval.
Blood pressure measurement among the present invention adopts the oscillographic method indirect measurement of blood pressure.The control air pump is the cuff inflating pressure in the measuring process, and the variation of vibration-generating when detecting blood flow with the atmospheric pressure sensor simultaneously, differentiates blood pressure by the relation of setting up systolic pressure, diastolic pressure, mean pressure and oversleeve pressure oscillations ripple.Adopt in the present invention existing universal electric blood pressure measurement technology and scheme.As shown in Figure 4, microprocessor module 104 drives servo pressurization air pumps 404 by air pump drive circuit 405 and at the uniform velocity inflates to the air bag 401 in the wrist strap 205 by gas passage 402 during measurement; Atmospheric pressure sensor 403 is converted to the signal of telecommunication with the air pressure in the air bag 401 in the gas replenishment process, is converted to digital signal input microprocessor module 104 through A/D data acquisition module 103 again and analyzes; After measuring end, microprocessor module 104 is discharged the gas in the air bag 401 fast by air valve drive circuit 407 control electronics rapid escape valves 406, in order to measure next time.
The pressure transducer XFGN-6025KPGSR of new generation that the Japanese Fujikura of atmospheric pressure sensor 403 employings company in the blood pressure measurement module 102 produces, its weight only has 0.35g, be mainly used in Portable Electronic Blood Pressure Monitor, adopt the encapsulation of accurate thick film ceramic chip and nylon plastic(s), amplification, temperature-compensating and precorrection offset voltage and range are contained in inside, thereby improved precision, the stability measured, also saved amplifying circuit.It directly is converted to blood pressure the signal of telecommunication of 0～4.5V, and corresponding pressure value is 0～25kPa, and namely 0～187.5mmHg mates with requirement of the present invention very much.
Measuring method: correct measurement posture can guarantee comparatively accurately measurement result, makes Monitoring Data accurately, reliably, can greatly improve the electrometric accuracy rate of the heart, effectively prevents owing to measuring the inaccurate measured waveform that causes of people's posture and error in data.
(1) draws oneself up, keep correct sitting posture.(note do not allow forward lean crooked).
(2) measure front deep breathing 5-6 time, recover general breathing, loosen health, make it lax.
When (3) measuring wrist strap and heart height are consistent.Finger is not exerted oneself, and naturally stretches.
Measure the people when beginning to measure with comfortable being wrapped on the left hand wrist of wrist strap, with limit, the lower end tension of wrist strap, paste on the wrist volume, with light finger by making it more firmly sticking, and with unnecessary partially folded.
Measure the people and start measurement by button, and by being pressed in the lip-deep detecting electrode 201 of casing, this equipment begins Self-pressurizing agri and measurement with the right hand (finger or palm portion).Can show in real time ecg wave form and real-time heart rate value in the measuring process on the LCDs.Measure on the complete rear display screen and ecg wave form, average heart rate and the pressure value of measuring can be shown, as arrhythmia and height dysarteriotony information occur unusually also will showing; Simultaneously can also carry out storage operation, so that waveform and the data storage of monitoring is for future reference.The user can set date and time, after setting accurately date and time, the gauger certain measure finish after, equipment also can be preserved the date and time of measurement simultaneously except electrocardio and blood pressure data are preserved in meeting.The stored record button can be preserved and delete measurement result, and the gauger just can check record very easily like this, and these records can easily be analyzed, check gauger's blood pressure and electrocardio situation by the relevant speciality personage simultaneously.If record is preserved and to have been expired or the gauger does not need certain record, can also delete relevant record by the stored record button.
Claims (8)
1. wrist formula electrocardio blood pressure measurement device, comprise housing (204), electrocardiosignal measurement module (101), blood pressure measurement module (102), A/D data acquisition module (103), microprocessor module (104) and display module (106), described blood pressure measurement module (102) comprises wrist strap (205), described electrocardiosignal measurement module (101) comprises electrocardioelectrode group and electrocardiosignal filtering and amplifying circuit, described electrocardioelectrode group comprises the first detecting electrode (201) of being fixed in housing (204) upper surface and the second detecting electrode (202) that is fixed in the surface that wrist strap (205) contacts with wrist, described the first detecting electrode (201) and the second detecting electrode (202) are responded to respectively electrocardiosignal, and by electrocardiosignal filtering and amplifying circuit connection A/D data acquisition module (103), described blood pressure measurement module (102) also connects A/D data acquisition module (103), described A/D data acquisition module (103) is converted to digital signal with the electrocardiosignal that receives and blood pressure signal and enters described microprocessor module (104) and process, described microprocessor module (104) is with ECG data, heart rate data and blood pressure data are in display module (106) demonstration of the upper surface that is positioned at housing (204), and described housing (204) is fixed on the wrist strap (205).
2. described wrist formula electrocardio blood pressure measurement device according to claim 1, it is characterized in that: described electrocardioelectrode group also comprises the drive electrode (203) that is fixed in the surface that wrist strap (205) contacts with wrist, and described drive electrode (203) connects the drive circuit (307) of described electrocardiosignal filtering and amplifying circuit.
3. described wrist formula electrocardio blood pressure measurement device according to claim 1 is characterized in that: also comprise the memory module (105) that connects described microprocessor module (104).
4. described wrist formula electrocardio blood pressure measurement device according to claim 1, it is characterized in that: also comprise the key-press module (107) that connects described microprocessor module (104), described key-press module is positioned at the upper surface of housing (204).
5. described wrist formula electrocardio blood pressure measurement device according to claim 4 is characterized in that: described key-press module (107) comprises button for switchgear, be used for starting the button measured, be used for button, the button that is used for stored record that stops to measure and be used for setting-up time and the button on date.
6. described wrist formula electrocardio blood pressure measurement device according to claim 2, it is characterized in that: the spacing between described drive electrode (203) and the second detecting electrode (202) is fixed.
7. described wrist formula electrocardio blood pressure measurement device according to claim 1, it is characterized in that: described wrist strap (205) is connected by buckle with housing (204).
8. described wrist formula electrocardio blood pressure measurement device according to claim 1, it is characterized in that: described display module (106) is LCDs.
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| CN2012104075934A CN102860822A (en) | 2012-10-24 | 2012-10-24 | Wrist electrocardio blood pressure measurement device |
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| CN2012104075934A CN102860822A (en) | 2012-10-24 | 2012-10-24 | Wrist electrocardio blood pressure measurement device |
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Cited By (8)
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| CN103932685A (en) * | 2014-04-14 | 2014-07-23 | 天津万合星辰信息技术有限公司 | Sensor for detecting rhythmical vibration of human body |
| CN104665786A (en) * | 2015-01-26 | 2015-06-03 | 周常安 | Cardiovascular health monitoring device and cardiovascular health monitoring method |
| CN105407662A (en) * | 2014-09-12 | 2016-03-16 | 路提科技股份有限公司 | Wearable electronic device |
| CN106236076A (en) * | 2016-08-30 | 2016-12-21 | 苏州创莱电子科技有限公司 | Miniature pressure electrocardio measuring device and heart electrical measuring systems |
| CN103941873B (en) * | 2014-04-30 | 2017-05-10 | 北京智谷睿拓技术服务有限公司 | Identification method and device |
| CN106821348A (en) * | 2017-01-09 | 2017-06-13 | 浙江大学 | A kind of intelligent oversleeve based on ECG detecting Yu monitoring of blood pressure |
| CN106859631A (en) * | 2015-12-10 | 2017-06-20 | 天创聚合科技（上海）有限公司 | For measuring blood pressure and singly leading cardiac electrical portable detector |
| CN110371299A (en) * | 2019-07-31 | 2019-10-25 | 苏州标图高级座椅有限公司 | A kind of aircraft seat with blood pressure and heartbeat detection device |
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| CN110371299A (en) * | 2019-07-31 | 2019-10-25 | 苏州标图高级座椅有限公司 | A kind of aircraft seat with blood pressure and heartbeat detection device |
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Application publication date: 20130109 |