CN102274017A - Wireless dynamic electrocardiogram monitoring device and monitoring method based on pure silver nano fibrous membrane - Google Patents
Wireless dynamic electrocardiogram monitoring device and monitoring method based on pure silver nano fibrous membrane Download PDFInfo
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Abstract
The invention relates to a wireless dynamic electrocardiogram monitoring device and monitoring method based on a pure silver nano fibrous membrane. The wireless dynamic electrocardiogram monitoring device realizes the wireless acquisition and recording of electrocardiosignals through a wireless electrocardiogram sensing network. The wireless electrocardiogram sensing network is in a star topology and is composed of a wireless electrocardiogram recording unit and more than one wireless electrocardiogram sensor; the wireless electrocardiogram sensor is characterized in that a pure silver nano fibrous membrane is connected to a wireless electrocardiosignal acquisition module and is then bonded on a medical anti-allergy adhesive tape; and the wireless electrocardiogram recording unit is composed of a wireless module and a keyboard module which are connected through an amplification and filtering circuit and a main controller. The wireless electrocardiogram sensor and the recording device thereof manufactured by combining the pure silver nano fibrous membrane and the ZigBee wireless sensing network technology have the advantage of realizing the monitoring on dynamic electrocardiosignals without the connection of wires. The invention has the characteristics of low power consumption, low cost, light weight, small volume, good flexibility and favorable wearing comfort, and is especially applicable to the long-term monitoring on electrocardiosignals.
Description
Technical field:
The present invention relates to the faint bioelectric signal measuring apparatus of a kind of human body, especially a kind of wireless dynamic electrocardiogram monitoring device and monitoring method based on the fine silver micro/nano fibrous membrane material.
Background technology:
The sudden cardiac death epidemiological investigation up-to-date according to China shows that China's sudden cardiac death total number of persons occupied first of the world up to 54.4 ten thousand example/years.Therefore, the prevention work of sudden cardiac death is particularly important.Up to now, ambulatory electrocardiogram is still the most effectively one of monitoring means of finding the sudden cardiac death risk factor.
But in the dynamic electrocardiogram monitoring at present, what generally use is silver-silver chloride electrode, though kind electrode conducts electricity very well, impedance is low, light current transmission performance is good.Yet poisonous, the chafe of the material of kind electrode causes allergy, also can be owing to electrolyte gel dehydration causes the electrocardiosignal downgrade that extracts.Therefore, the electrocardioelectrode based on new material is the focus of research always.2006, have research to design a kind of disposable electrocardioelectrode based on the bioelectric potential Fibre Optical Sensor, improved the allergic problem that the conventional wet electrode causes, have volume little, conduct electricity very well, advantage such as lead is thin.Yet, complex manufacturing technology, cost height.CN200966615Y discloses a kind of " repeatedly used cardiac monitoring electrode ", this electrode is a metal electrode, nontoxic, chafe, light current conductivity are not better yet, and can repeatedly use, but, volume is big, quality is hard, wearability is lower, has reduced the comfortableness of dressing, and is unsuitable for long-term cardioelectric monitor.CN101081323 discloses a kind of " wear-type electrocardioelectrodevice device and preparation method thereof ", and this device is provided with six electrodes at least on clothing, and electrode is made through weaving by silver-colored fiber, and is connected with external device (ED) by lead.CN201431463Y discloses a kind of " the flexible electrocardioelectrode with machine-knitted structure " is a kind of flexible electrocardioelectrode with machine-knitted structure that adopts polyethylene terephthalate PET fibrous woven to form.The machine-knitted structure that is interwoven mutually by conductive warp yarns and conductive warp yarn; Adopt silver conductive adhesive to link to each other between side and the shielded conductor, another side is the ECG electrode.Above electrocardioelectrode is made based on electronics textile material, conduction woven, has low sensitization, the soft advantage of quality.But owing to there is nonconducting yarn substrate to exist, impedance is bigger, the defective tightness that contacts of the electrode that has and health, and signal quality also awaits raising.
In addition, dynamic ecg monitoring uses 5 to 10 lines that lead to be connected with recording equipment with electrode respectively with plug with buckle usually, the so many line that leads is difficult to avoid twine each other and disturb, the electrocardiosignal quality that influence is gathered also will certainly influence comfort of wearing, produce handicapped and the constraint sense.Therefore, the lead existence of line is the main cause that influences comfortable wearing.Do not have the dynamic electrocardiogram of the line connection of leading at present and measure the research initial stage that still is in.(Rune Fensli ﹠amp such as the Rune Fensli of Norway; Jan Gunnar Dale ﹠amp; Philip O ' Reilly et al., 2010) develop a kind of wireless cardioelectric monitor system prototype, realized singly leading the line monitoring of leading of cardiac electrical nothing.But this system can only lead electrocardio by label, and the area of attachment of electrodes on human body skin is big, quality is harder, easily sneaks into motion artifacts in the signal of collection.(Jerald Yoo such as the Jerald Yoo of Korea S, Long Yan, Seulki Lee, et al., 2010) by plane formula circuit board P-FCB technology, in body sensing net BSN, that dried fiber electrocardioelectrode and signal acquisition circuit is integrated, realize not having the heart real time measurement function of the line that leads, strengthened the small and exquisite and comfortableness that Wearable is measured.But Radio Network System is integrated on the pectoral girdle, still has the constraint sense in use, and has used the macromolecule sticker in the electrode preparation, influences the electric conductivity of electrode.
Therefore, in order to improve the deficiency of above-mentioned dynamic electrocardiogram monitoring technology, the present invention is applied to the making of electrocardioelectrode with the fine silver micro/nano fibrous membrane material, ZigBee radio sensing network technology is used to realize the no lead monitoring of ambulatory ecg signal.
The fine silver nano fibrous membrane is to adopt electrostatic spinning technique, and a kind of simple metal material through calcination processing and solid phase reduction formation has good light current transmission characteristic, is suitable for the transmission of electrocardiosignal.Because nano material microcosmic dimensionally, have pliability good, help characteristics such as charge transfer, therefore be suitable for dynamic Wearable ECG and measure.Fine silver is safe in utilization, the toxic and side effects that the chemical product produces as none, and have certain antibacterial functions.
The ZigBee technology has low-power consumption, low cost, time delay is short, response speed is fast, safe characteristics, is fit to heart real time monitoring and control.Though the message transmission rate of ZigBee is low, lead electrocardio if monitor 12 simultaneously, when sample rate is 250Hz, data volume is 20kbps so, is operated in the 2.4GHz frequency range and meets the demands fully.The present invention is based on ZigBee radio sensing network technology,, change traditional cardioelectric monitor and by the line that leads electrocardiogram (ECG) data is transferred to the form of record cell, realize that the dynamic electrocardiogram of no lead is monitored from electrode by setting up the form of the wireless electrocardio sensing of body net.
Summary of the invention:
Purpose of the present invention is exactly the deficiency at above-mentioned existing cardioelectric monitor technology, and a kind of wireless dynamic electrocardiogram monitoring system based on the fine silver micro/nano fibrous membrane material is provided;
Another object of the present invention provides a kind of wireless dynamic electrocardiogram monitoring method based on the fine silver nano fibrous membrane.
Purpose of the present invention is achieved through the following technical solutions:
Wireless dynamic electrocardiogram monitoring device based on the fine silver nano fibrous membrane is made up of wireless electrocardio sensing net 1, wireless electrocardio sensing net 1 adopts star topology, wireless electrocardio sensing net 1 be by wireless electrocardiographic recording unit 3 and more than one wireless EGC sensor 2 constitute.
Electrocardiosignal wireless acquisition module 5 connects RFD wireless module 8 by amplifying circuit 7, and connects RFD power module 9 formations respectively.
Wireless electrocardiographic recording unit 3 is to be connected with master controller 12 through amplification filtering circuit 11 by FFD wireless module 10, Keysheet module 13, display module 14 are connected with master controller 12 respectively with storage card 15, and FFD wireless module 10, amplification filtering circuit 11, master controller 12 and display module 14 connect and compose with FFD power module 16 respectively.
Wireless dynamic electrocardiogram monitoring method based on the fine silver nano fibrous membrane comprises following order and step:
A, at first monitored human body is led by 7 lines 3 or by 10 lines 12 position of the arranging alcohol wipe skin of dynamic electrocardiogram measurement electrode on human body that leads;
B, pasted wireless EGC sensor 2 on the skin after the alcohol wipe;
C, the wireless EGC sensor 2 of startup and wireless electrocardiographic recording unit 3, wireless EGC sensor 2 is gathered dynamic electrocardiogram (ECG) datas, and automatically the dynamic electrocardiogram (ECG) data that collects is sent to wireless electrocardiographic recording unit 3 in real time;
D, 3 storages of wireless electrocardiographic recording unit and demonstration.
Beneficial effect: wireless dynamic electrocardiogram monitoring device is realized the wireless collection and the record of electrocardiosignal by wireless electrocardio sensing net.Adopt the wireless EGC sensor and the recording equipment thereof of fine silver micro/nano fibrous membrane material and ZigBee radio sensing network fabrication techniques, its advantage is nano material has been applied to the faint electrocardiosignal detection range of human body, utilizes the radio sensing network technology to realize that the no lead of ambulatory ecg signal connects monitoring.That wireless EGC sensor has is low in energy consumption, cost is low, in light weight, volume is little, pliability good, the characteristics of comfortable wearing, is particularly useful for the long term monitoring of electrocardiosignal.
Description of drawings:
Accompanying drawing 1 is based on the wireless dynamic electrocardiogram monitoring device network architecture figure of fine silver nano fibrous membrane
Accompanying drawing 2 is accompanying drawing 1 wireless EGC sensor 2 cutaway views
Accompanying drawing 3 is structured flowcharts of accompanying drawing 2 electrocardiosignal wireless acquisition module 5
Accompanying drawing 4 is accompanying drawing 1 wireless record unit 3 structured flowcharts
Accompanying drawing 6 is that 10 lines 12 are led dynamic electrocardiogram and measured the arrange location drawing of wireless EGC sensor on human body.
1 wireless electrocardio sensing net, 2 wireless EGC sensor, 3 wireless electrocardiographic recording unit, 4 fine silver nano fibrous membranes, 5 electrocardiosignal wireless acquisition module, 6 anti-allergic adhesive plaster for medical use, 7 amplifying circuits, 8RFD wireless module (being that collection A/D conversion, microprocessor, radio communication are the SOC(system on a chip) of one), 9RFD power module, the 10FFD wireless module, 11 amplification filtering circuit, 12 master controllers, 13 Keysheet modules, 14 display modules, 15 storage cards, 16FFD power module.
The specific embodiment:
Be described in further detail below in conjunction with drawings and Examples:
Wireless dynamic electrocardiogram monitoring device based on the fine silver nano fibrous membrane is to adopt star topology by wireless electrocardio sensing net 1, is made of 5 to 10 both wireless EGC sensor 2 of terminal node RFD and the both wireless electrocardiographic recording of main controlled node FFD coordinator unit 3 two large divisions.Wireless EGC sensor 2 is connected on the electrocardiosignal wireless acquisition module 5 by fine silver nano fibrous membrane 4, be bonded at again on the anti-allergic adhesive plaster for medical use 6 and constitute, the use of anti-allergic adhesive plaster for medical use 6 is in order to allow pick off closely contact skin, to improve the quality of obtaining of electrocardiosignal.Electrocardiosignal wireless acquisition module 5 is made of amplifying circuit 7, RFD wireless module 8 (CC2530 is that collection A/D conversion, microcontroller and radio communication are the SOC(system on a chip) of one) and RFD power module 9.Electrocardiosignal is connected to RFD wireless module 8 by fine silver nano fibrous membrane 4 through amplifying circuit 7, through being transmitting wirelessly to wireless electrocardiographic recording unit 3 after the A/D conversion.
Wireless electrocardiographic recording unit 3 is to be connected with master controller 12 through amplification filtering circuit 11 by FFD wireless module 10, Keysheet module 13, display module 14 are connected with master controller 12 respectively with storage card 15, FFD wireless module 10, amplification filtering circuit 11, master controller 12 and display module 14 connect and compose with FFD power module 16 respectively, play control and the normal effect that moves of the whole network of management.Receive the data that wireless EGC sensor 2 sends by FFD wireless module 10,, form the electrocardio data of respectively leading, show and storage by display module 14 and storage card 15 through amplification filtering circuit 11.
Two electrodes are placed into human body surface 2 points, and link to each other with the both positive and negative polarity of electrocardiogram machine respectively, can be used to trace the variation of these 2 potential differences, the method for this placement electrode and be called with the connected mode of electrocardiograph is led.According to the difference of electrode rest, can form various leading, the various electrocardiographic waves that lead respectively have characteristics.General in the world conventional electrocardio 12 lead systems are that 10 electrodes are arranged on limbs and the thoracic wall, form I, II, III standard lead, augmented unipolar limb lead (aVR, aVL, aVF) and unipolar chest lead (V1, V2, V3, V4, V5, V6).The dynamic electrocardiogram monitoring is owing to be the electrocardio-activity of monitoring in people's daily life, therefore the position of arranging of electrode is with conventional cardiac electrical different, dynamic electrocardiogram moves to the front with limb electrode, forms clinical bipolar 3 lead systems and Mason-Likar12 lead system commonly used.
Wireless dynamic electrocardiogram monitoring method based on the fine silver nano fibrous membrane comprises following order and step:
A, at first monitored human body is led by 7 lines 3 or by 10 lines 12 position of the arranging alcohol wipe skin of dynamic electrocardiogram measurement electrode on human body that leads;
B, pasted wireless EGC sensor 2 on the skin after the alcohol wipe;
C, the wireless EGC sensor 2 of startup and wireless electrocardiographic recording unit 3, wireless EGC sensor 2 is gathered dynamic electrocardiogram (ECG) datas, and automatically the dynamic electrocardiogram (ECG) data that collects is sent to wireless electrocardiographic recording unit 3 in real time;
D, 3 storages of wireless electrocardiographic recording unit and demonstration.
Embodiment 1:
Wireless dynamic electrocardiogram monitoring device is realized the wireless collection and the record of electrocardiosignal by wireless electrocardio sensing net 1.Wireless electrocardio sensing net 1 adopts star topology, is made of 5 to 10 both wireless EGC sensor 2 of terminal node RFD and the both wireless electrocardiographic recording of main controlled node FFD coordinator unit 3 two large divisions, referring to shown in Figure 1.
Electrocardiosignal wireless acquisition module 5 is made of amplifying circuit 7, RFD wireless module 8 (CC2530 is that collection A/D conversion, microcontroller and radio communication are the SOC(system on a chip) of one) and RFD power module 9.Electrocardiosignal is connected to RFD wireless module 8 by fine silver nano fibrous membrane 4 through amplifying circuit 7, through being transmitting wirelessly to wireless electrocardiographic recording unit 3 after the A/D conversion, referring to shown in Figure 3.
Wireless electrocardiographic recording unit 3 is to be connected with master controller 12 through amplification filtering circuit 11 by FFD wireless module 10, Keysheet module 13, display module 14 are connected with master controller 12 respectively with storage card 15, FFD wireless module 10, amplification filtering circuit 11, master controller 12 and display module 14 connect and compose with FFD power module 16 respectively, play control and the normal effect that moves of the whole network of management.Receive the data that wireless EGC sensor 2 sends by FFD wireless module 10,, form the electrocardio data of respectively leading, show and storage by display module 14 and storage card 15, referring to shown in Figure 4 through amplification filtering circuit 11.
A, at first to monitored human body by 7 lines 3 the arrange position alcohol wipe skin of dynamic electrocardiogram measurement electrode on human body that leads;
B, pasted wireless EGC sensor 1 on the skin after the alcohol wipe, its paste position is referring to shown in Figure 5;
CM5 leads: simulation V
5Lead, anodal CM5 "+" is positioned at left anterior axillary line the 5th rib; Negative pole CM5 "-" is positioned at 1/3 place, right subclavian nest China and foreign countries, and the lead QRS wave-amplitude of record of CM5 is the highest, the ST section is moved down comparatively responsive;
MaVF leads: simulation aVF leads, anodal MaVF "+", be positioned at left axil line 9-10 intercostal, negative pole MaVF "-" is positioned at the presternum place, the MaVF correspondence that can show the ST section that spasm causes of circling round a right coronary artery or a left side of leading moves down, and helps to confirm the diagnosis of coronary spasm or ariant angina;
CM1 leads: simulation V
1Lead, anodal CM1 "+" is positioned at right border of sternum the 4th rib; Negative pole CM1 "-" is positioned at 1/3 place, nest China and foreign countries under the left clavicle, and CM1 can know demonstration P ripple, and can show the QRS ripple graphic feature of right bundle branch or left bundle branch block;
Ground wire: ground wire is positioned at right midclavicular line the 6th rib.
C, the wireless EGC sensor 2 of startup and wireless electrocardiographic recording unit 3, wireless EGC sensor 2 is gathered dynamic electrocardiogram (ECG) datas, and automatically the dynamic electrocardiogram (ECG) data that collects is sent to wireless electrocardiographic recording unit 3 in real time;
D, 3 storages of wireless electrocardiographic recording unit and demonstration.
Embodiment 2:
Wireless dynamic electrocardiogram monitoring device is realized the wireless collection and the record of electrocardiosignal by wireless electrocardio sensing net 1.Wireless electrocardio sensing net 1 adopts star topology, is made of 5 to 10 both wireless EGC sensor 2 of terminal node RFD and the both wireless electrocardiographic recording of main controlled node FFD coordinator unit 3 two large divisions, referring to shown in Figure 1.
Electrocardiosignal wireless acquisition module 5 is made of amplifying circuit 7, RFD wireless module 8 (CC2530 is that collection A/D conversion, microcontroller and radio communication are the SOC(system on a chip) of one) and RFD power module 9.Electrocardiosignal is connected to RFD wireless module 8 by fine silver nano fibrous membrane 4 through amplifying circuit 7, through being transmitting wirelessly to wireless electrocardiographic recording unit 3 after the A/D conversion, referring to shown in Figure 3.
Wireless electrocardiographic recording unit 3 is to be connected with master controller 12 through amplification filtering circuit 11 by FFD wireless module 10, Keysheet module 13, display module 14 are connected with master controller 12 respectively with storage card 15, FFD wireless module 10, amplification filtering circuit 11, master controller 12 and display module 14 connect and compose with FFD power module 16 respectively, play control and the normal effect that moves of the whole network of management.Receive the data that wireless EGC sensor 2 sends by FFD wireless module 10,, form the electrocardio data of respectively leading, show and storage by display module 14 and storage card 15, referring to shown in Figure 4 through amplification filtering circuit 11.
A, at first to monitored human body by 10 lines 12 the arrange position alcohol wipe skin of dynamic electrocardiogram measurement electrode on human body that leads;
B, pasted wireless EGC sensor 1 on the skin after the alcohol wipe, its paste position is referring to shown in Figure 6:
RA: be positioned at trunk right midclavicular line the 2nd rib;
LA: be positioned at trunk left mid-clavicular line the 2nd rib;
LL: be positioned at trunk left mid-clavicular line the 7th costal margin;
RL: be positioned at trunk right midclavicular line the 7th costal margin;
V1: be positioned at right border of sternum the 4th rib;
V2: be positioned at left border of sternum the 4th rib;
V3: the intermediate point that is positioned at V2 and V4 on line;
V4: be positioned at left mid-clavicular line the 5th rib;
V5: be positioned at left anterior axillary line the 5th rib;
V6: be positioned at left midaxillary line the 5th rib.
C, the wireless EGC sensor 2 of startup and wireless electrocardiographic recording unit 3, wireless EGC sensor 2 is gathered dynamic electrocardiogram (ECG) datas, and automatically the dynamic electrocardiogram (ECG) data that collects is sent to wireless electrocardiographic recording unit 3 in real time;
D, 3 storages of wireless electrocardiographic recording unit and demonstration.
Claims (5)
1. wireless dynamic electrocardiogram monitoring device based on the fine silver nano fibrous membrane, it is characterized in that, it is by wireless electrocardiographic recording unit (3) and wireless EGC sensor (2) formation more than that wireless electrocardio sensing net (1) adopts star topology, wireless electrocardio sensing net (1).
2. according to the described wireless dynamic electrocardiogram monitoring device of claim 1 based on the fine silver nano fibrous membrane, it is characterized in that, wireless EGC sensor (2) is to be connected on the electrocardiosignal wireless acquisition module (5) by fine silver nano fibrous membrane (4), is bonded at anti-allergic adhesive plaster for medical use (6) again and goes up formation.
3. according to the described wireless dynamic electrocardiogram monitoring device of claim 2 based on the fine silver nano fibrous membrane, it is characterized in that, electrocardiosignal wireless acquisition module (5) connects RFD wireless module (8) by amplifying circuit (7), and connects RFD power module (9) formation respectively.
4. according to the described wireless dynamic electrocardiogram monitoring device of claim 1 based on the fine silver nano fibrous membrane, it is characterized in that, wireless electrocardiographic recording unit (3) is to be connected with master controller (12) through amplification filtering circuit (11) by FFD wireless module (10), Keysheet module (13), display module (14) are connected with master controller (12) respectively with storage card (15), and FFD wireless module (10), amplification filtering circuit (11), master controller (12) and display module (14) connect and compose with FFD power module (16) respectively.
5. the wireless dynamic electrocardiogram monitoring method based on the fine silver nano fibrous membrane is characterized in that, comprises following order and step:
A, at first monitored human body is led by 7 lines 3 or by 10 lines 12 position of the arranging alcohol wipe skin of dynamic electrocardiogram measurement electrode on human body that leads;
B, pasted wireless EGC sensor 2 on the skin after the alcohol wipe;
C, start wireless EGC sensor (2) and wireless electrocardiographic recording unit (3), wireless EGC sensor (2) is gathered dynamic electrocardiogram (ECG) data, and automatically the dynamic electrocardiogram (ECG) data that collects is sent to wireless electrocardiographic recording unit (3) in real time;
D, wireless electrocardiographic recording unit (3) storage and demonstration.
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| CN111380917A (en) * | 2020-03-23 | 2020-07-07 | 艾感科技(广东)有限公司 | Air quality monitoring sensor and monitoring system based on nanofiber membrane |
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Application publication date: 20111214 |