CN105286856B - Inhibit motion artifacts graphene flexibility electrocardiograph dry electrode - Google Patents
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- CN105286856B CN105286856B CN201510844138.4A CN201510844138A CN105286856B CN 105286856 B CN105286856 B CN 105286856B CN 201510844138 A CN201510844138 A CN 201510844138A CN 105286856 B CN105286856 B CN 105286856B
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Abstract
The present invention is a kind of inhibition motion artifacts graphene flexibility electrocardiograph dry electrode, which is made of basal layer, textile conductive layers, inhibition motion artifacts layer, contacting surface layer and insulation barrier bed, and wherein flexible fabric constitutes the basal layer；Conductive fabric constitutes the textile conductive layers；First buffer layer, enhancement layer and second buffer layer constitute the inhibition motion artifacts layer, and conductive sponge constitutes the first buffer layer and second buffer layer, and conductive fabric constitutes the enhancement layer；Graphite ene coatings constitute the contacting surface layer；Center hollow out insulating fabrics constitutes the insulation barrier bed.The present invention is dry electrode, overcomes stimulation and damage of traditional wet electrode to skin, non-disposable electrode can long periods of wear use.
Description
Technical field
The invention belongs to medical instrument (apparatus)/electrocardioelectrode fields, and in particular to a kind of inhibition motion artifacts graphene
Flexible electrocardiograph dry electrode.
Background technology
In today's society, heart disease is the number one killer of human health.The human mortality in the whole world 1/3 is because heart disease is drawn
It rises, and China has hundreds of thousands people to die of heart disease every year.Heart disease has been to be easiest to endanger person in middle and old age in cardiovascular and cerebrovascular disease
The health of people and the disease of life.Early stage and heart attack long-term and dynamic are observed, to capture of short duration non-hold
The abnormal electrocardiogram variation of continuous property, especially transient arrhythmia cordis and of short duration myocardial ischemic attacks symptom, to diagnosis of heart disease,
Judge that curative effect and redemption life are most important.
According to whether using Signa Gel, electrode is broadly divided into wet electrode and dry electrode.It is usually used in detecting in medical treatment at present
Cardiac electrical is disposable Signa Gel wet electrode, and wet electrode is disadvantageous in that its preparation complexity, and conducting resinl is at any time
It gradually air-dries and causes measurement error, be easy to cause skin allergy, influence comfort level, be not suitable for monitoring for a long time.Dry electrode
Without using conductive paste (or gel) or other dielectrics as the coupling path between skin and electrode, but skin and electrode
Between be in direct contact or capacitive coupling formed access electrode.And most of existing dry electrode is all to be with metal material
Main, metal material electrode corrosion resistance is low, anti-interference and noise resisting ability inequality, micro-current by when easy to produce polarization.
The dry electrode wearing comfort of metal is poor simultaneously, and motion artifacts are apparent.
Still lack the sensor for the dynamic access electrocardiosignal that can comfortably dress for a long time at present.Conductive sponge is electrocardioelectrode
The current research direction of material, it is advantageous that electric conductivity is not influenced by temperature and humidity, mechanical pliability is high, skin attachment
Power is good, while also increasing the contact area at skin-electrode interface, maintains Low ESR, reduces motion artifacts.Graphene is
The most thin most light a kind of material being currently known, only there are one the thickness of carbon atom for the graphene of single layer.Graphene is also the world
The best material of upper electric conductivity, the movement velocity of electronics wherein has reached the 1/300 of the light velocity, considerably beyond electronics general
Movement velocity in conductor.It is manufacture ultrasensitive biological sensor since graphene is only made of carbon and perfect structure
Ideal material.Graphite ene coatings are added in conductive sponge, can greatly enhance the electric conductivity of electrode.
The existing patent of same type (CN102920452A):A kind of coronal electrocardioelectrode of flexibility based on graphene.This patent
The coronal electrocardioelectrode soft texture of flexibility based on graphene, it is flexible；Its crown array increases electrocardioelectrode
With the contact area of skin so that electrocardiosignal enhances, and signal-to-noise ratio increases, improved stability.Graphene is best conduction material
Material, but there is contact resistances between graphene and metal electrode, cannot effectively improve the electric conductivity of electrode.The patent
Also brain electricity or inhibition motion artifacts can be detected in the dynamic case by not referring to.
Invention content
The object of the present invention is to provide a kind of inhibition motion artifacts graphene flexibility electrocardiograph dry electrodes, overcome conventional wet electricity
Extremely to the stimulation of skin and damage, non-disposable electrode can long periods of wear use.In the dynamic case, the flexible material of electrode
It can be bonded skin texture very well, electrode structure can also efficiently reduce noise, inhibit motion artifacts.Graphite ene coatings, greatly
Ground enhances the electric conductivity of electrode, improves the precision of ultra-weak electronic signal data acquisition.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of inhibition motion artifacts graphene flexibility electrocardiograph dry
Electrode by basal layer, textile conductive layers, inhibits motion artifacts layer, contacting surface layer and insulation barrier bed to form.It is characterized in that：It is soft
Property fabric constitute the basal layer；Conductive fabric constitutes the textile conductive layers；First buffer layer, enhancement layer and second buffer layer structure
At the inhibition motion artifacts layer, conductive sponge constitutes the first buffer layer and second buffer layer, and conductive fabric constitutes described add
Strong layer；Graphite ene coatings constitute the contacting surface layer；Insulating fabrics constitutes the insulation barrier bed.
Preferably, the textile conductive layers are arranged on the basal layer, place center and by medical viscose glue with
It is bonded；The inhibition motion artifacts layer is arranged in the textile conductive layers, place center and by conductive silver glue with
It is bonded；The inhibition motion artifacts layer inner layers are bonded by conductive silver glue；The contacting surface layer setting is transported in the inhibition
In dynamic puppet trace layer, places center and bonded by conductive silver glue；Insulating fabrics barrier bed center hollow out, setting
In textile conductive layers, it is completely covered and by being sewed and connected, fixing.
Preferably, the flexible fabric is the Lycra cloth for having certain flexibility and elasticity, is mainly used to support electrode.
The suitable pressure of flexible fabric substrate had not only ensured that electrocardioelectrode was fitted closely with human body, but also ensured the comfort of wearing.
Preferably, the base material of the conductive fabric is polyester fiber, and the conducting impedance value on surface is less than or equal to 0.5 Ω/m2, tool
There is good conductive energy.
Preferably, the conductive fabric thickness of the textile conductive layers is less than or equal to 0.05mm, overall width 40-60mm, long
Degree is 70-100mm, and both ends are to have the function of conductive and electromagnetic shielding using its width as the semicircle of diameter.
Preferably, the enhancement layer conductive fabric thickness is less than or equal to 0.05mm, overall width 20-40mm, length 50-
80mm, both ends are using its width as the semicircle of diameter.It is to increase electric conductivity and intensifier electrode that it, which is acted on, it is made to be not susceptible to permanent shape
Become, to a certain extent, electrode contacting surface layer is made to be close to skin surface, electrode is made to keep opposite with skin surface in the dynamic case
It is parallel, inhibit motion artifacts.
Preferably, the conductive sponge is produced by polymer composite foaming technique, and foaming aperture is uniform, main component
Non-toxic and tasteless for polyester sponge and metallic nickel, conductive sponge is soft, high resilience.Conductive sponge is directly and skin contact, soft
Software feature can ensure the comfort of wearing, also can play cushioning effect, adaptive human body when skin and electrode interact
Chest outer profile, well fitting and skin surface, with reduce noise and inhibit motion artifacts.
Preferably, the first buffer layer conductive sponge thickness is 1mm, overall width 20-40mm, length 50-
80mm, both ends are using its width as the semicircle of diameter.It acts as the horizontal slidings offset or buffered between skin-substrate, centainly
Degree is offset and buffering vertical squeezes.
Preferably, the second buffer layer conductive sponge thickness is less than or equal to 0.5mm, overall width 20-40mm, length
For 50-80mm, both ends are using its width as the semicircle of diameter.It acts as the micro-slip for offsetting or buffering skin-electrode and hang down
It is straight to squeeze.
Preferably, the inhibition motion artifacts layer is supported by first buffer layer, enhancement layer and second buffer layer collective effect
Disappear or buffers the substrate vibrations generated during exercise by people, sliding or extruding, the opposite sliding between the electrode and skin that bring,
Squeeze, twist distortion, cause skin-electrode electric double layer occur charge redistribute caused by motion artifacts.
Preferably, the electrode integral thickness is less than or equal to 3mm, when wearing in order to avoid generating foreign body sensation, influences wearing and relaxes
Adaptive.Overall width is 20-40mm, and length 50-80mm, both ends are using its width as the semicircle of diameter.Electrocardioelectrode needs to be bonded
Chest feature, too big size can influence its wearing comfort so that ecg-r wave is easily distorted；Too small size can weaken
Cardiac electrical useful signal.
Preferably, the graphene is electrode core material, and purity is more than 95%, conductivity 105S/m, oxygen and sulphur
Content be 0.5%, metals content impurity 100ppm, specific surface area 100-300m2/ g, coating layer thickness 0.005mm.
The excellent electric conductivity of graphene and high sensitivity can senses skin surface weak biological electric potential signal, improve faint electricity
The precision of signal data acquisition.
Preferably, the insulating fabrics, thickness 0.5-0.8mm, overall width 50-70mm, length 80-110mm
Rectangle, center hollow out figure be electrode contacting surface layer shape.Insulating fabrics encapsulated electrode is isolated conductive layer and skin contact, is kept away
Exempt to generate interference signal.
Preferably, the insulating fabrics is sewed and connected with sewing machine with fabric substrate, is fixed.
Description of the drawings
Fig. 1 is the structural schematic diagram for inhibiting motion artifacts graphene flexibility electrocardiograph dry electrode；
Fig. 2 is the structural schematic diagram for inhibiting motion artifacts graphene flexibility electrocardiograph dry electrode covering insulation barrier bed.
Wherein, 1 is flexible fabric；2 be conductive fabric；3 be conductive sponge；4 be conductive fabric；5 be conductive sponge；6 be graphite
Ene coatings；7 be insulating fabrics.
Specific implementation mode
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.Those skilled in the art are these it is to be understood that following specific embodiments or specific implementation mode
It invents for the set-up mode for the series of optimum that specific invention content is enumerated is explained further, and between those set-up modes
Can be combined with each other or it is interrelated use, unless the present invention clearly propose some of which or a certain specific reality
Setting can not be associated or be used in conjunction with other embodiments or embodiment by applying example or embodiment.Meanwhile it is following
The set-up mode of specific embodiment or embodiment only as optimization, and not as the reason for limiting protection scope of the present invention
Solution.
Embodiment
As shown in Figure 1, to inhibit motion artifacts graphene flexibility electrocardiograph dry electrode structure chart, the left side is vertical view, the right
For side view；Fig. 2 is the structural schematic diagram for inhibiting motion artifacts graphene flexibility electrocardiograph dry electrode covering insulation barrier bed, the left side
For the barrier bed vertical view that insulate, the right is the side view of covering insulation barrier bed electrocardioelectrode.
It is specific as follows the invention discloses a kind of preferred embodiment referring to Fig. 1 and 2：The electrode by basal layer,
Textile conductive layers inhibit motion artifacts layer, contacting surface layer and insulation barrier bed composition.It is characterized in that：Flexible fabric 1 constitutes described
Basal layer；Conductive fabric 2 constitutes the textile conductive layers；First buffer layer, enhancement layer and second buffer layer constitute the inhibition fortune
Dynamic puppet trace layer, conductive sponge 3 constitute the first buffer layer, and conductive sponge 5 constitutes the second buffer layer, and conductive fabric 4 is constituted
The enhancement layer；Graphite ene coatings 6 constitute the contacting surface layer；Insulating fabrics 7 constitutes the insulation barrier bed.Wherein：It is described to knit
Object conductive layer is arranged on the basal layer, places center and is bonded by medical viscose glue；The inhibition movement is pseudo-
Trace layer is arranged in the textile conductive layers, places center and is bonded by conductive silver glue；The inhibition movement is pseudo-
Trace layer inner layers are bonded by conductive silver glue；The contacting surface layer is arranged on the inhibition motion artifacts layer, places centre bit
It sets and is bonded by conductive silver glue；Insulating fabrics barrier bed center hollow out is arranged in textile conductive layers, covers completely
It covers and by being sewed and connected, fixing.
The flexible fabric 1 is the Lycra cloth for having certain flexibility and elasticity, is mainly used to support electricity as substrate
Pole.The suitable pressure of fabric substrate had not only ensured that electrocardioelectrode was fitted closely with human body, but also ensured the comfort of wearing.
The base material of the conductive fabric 2 and 4 is polyester fiber, and the conducting impedance value on surface is less than or equal to 0.5 Ω/m2, have
Good conduction energy.
2 thickness of conductive fabric of the textile conductive layers is 0.05mm, and overall width 50mm, length 80mm, both ends are
Using 50mm as the semicircle of diameter, has the function of conductive and electromagnetic shielding.
4 thickness of enhancement layer conductive fabric is 0.05mm, overall width 30mm, length 60mm, and both ends are with 30mm
For the semicircle of diameter.It is to increase electric conductivity and intensifier electrode that it, which is acted on, it is made to be not susceptible to permanent deformation, to a certain extent,
So that electrode contacting surface layer is close to skin surface, electrode is made to keep relatively parallel with skin surface in the dynamic case, inhibits movement pseudo-
Mark.
The conductive sponge 3 and 5 is produced by polymer composite foaming technique, and foaming aperture is uniform, and main component is
Polyester sponge and metallic nickel, non-toxic and tasteless, conductive sponge is soft, high resilience.Conductive sponge is directly and skin contact, soft
Characteristic can ensure the comfort of wearing, also can play cushioning effect, adaptive human body chest when skin and electrode interact
Portion's outer profile, well fitting and skin surface, with reduce noise and inhibit motion artifacts.
3 thickness of first buffer layer conductive sponge be 1mm, overall width 30mm, length 60mm, both ends be with
30mm is the semicircle of diameter.It acts as the horizontal slidings offset or buffered between skin-substrate, offset and buffer to a certain degree
It is vertical to squeeze.
5 thickness of second buffer layer conductive sponge be 0.5mm, overall width 30mm, length 60mm, both ends be with
30mm is the semicircle of diameter.It acts as the micro-slips for offsetting or buffering skin-electrode and vertical extruding.
The inhibition motion artifacts layer is offset or is buffered by first buffer layer, enhancement layer and second buffer layer collective effect
The substrate vibrations generated during exercise by people, sliding or extruding, the opposite sliding between the electrode and skin that bring, squeeze, turn round
Curved change, cause skin-electrode electric double layer occur charge redistribute caused by motion artifacts.
The electrode integral thickness is 2mm influences wearing comfort when wearing in order to avoid generating foreign body sensation.Overall width
For 30mm, length 60mm, both ends are using 30mm as the semicircle of diameter.Electrocardioelectrode need to be bonded chest feature, too big size
It can influence its wearing comfort so that ecg-r wave is easily distorted；Too small size can weaken cardiac electrical useful signal.
The graphite ene coatings 6 are electrode core materials, and purity is more than 95%, conductivity 105S/m, oxygen and sulphur
Content is 0.5%, metals content impurity 100ppm, specific surface area 100-300m2/ g, coating layer thickness 0.005mm.Stone
The excellent electric conductivity of black alkene and high sensitivity can senses skin surface weak biological electric potential signal, improve faint telecommunications
The precision of number acquisition.
7 thickness of the insulating fabrics is 0.5mm, and overall width 50mm, length is the rectangle of 80mm, center hollow out figure
For electrode contacting surface layer shape.Conductive layer and skin contact is isolated in insulating fabrics encapsulated electrode, avoids generating interference signal.
The insulating fabrics 7 is sewed and connected with sewing machine with fabric substrate, is fixed.
Claims (13)
1. a kind of inhibition motion artifacts graphene flexibility electrocardiograph dry electrode by basal layer, textile conductive layers, inhibits motion artifacts
Layer, contacting surface layer and insulation barrier bed composition；It is characterized in that：Flexible fabric constitutes the basal layer；Conductive fabric is knitted described in constituting
Object conductive layer；First buffer layer, enhancement layer and second buffer layer constitute the inhibitions motion artifacts layer, described in conductive sponge composition
First buffer layer and second buffer layer, conductive fabric constitute the enhancement layer；Graphite ene coatings constitute the contacting surface layer；Insulating fabrics
Constitute the insulation barrier bed；The textile conductive layers are arranged on the basal layer, place center and by medical viscous
Glue bonds；The inhibition motion artifacts layer is arranged in the textile conductive layers, places center and passes through conductive silver
Glue bonds；The inhibition motion artifacts layer inner layers are bonded by conductive silver glue；The contacting surface layer is arranged in the suppression
On motion artifacts layer processed, places center and bonded by conductive silver glue；Insulation barrier bed center hollow out, setting
In textile conductive layers, it is completely covered and by being sewed and connected, fixing.
2. electrocardiograph dry electrode according to claim 1, which is characterized in that the flexible fabric be have certain flexibility and
The Lycra cloth of elasticity, is used to support electrode.
3. electrocardiograph dry electrode according to claim 1, which is characterized in that the base material of the conductive fabric is polyester fiber, table
The conducting impedance value in face is less than or equal to 0.5 Ω/m2。
4. electrocardiograph dry electrode according to claim 1, which is characterized in that the conductive fabric thickness of the textile conductive layers is less than
Equal to 0.05mm, overall width 40-60mm, length 70-100mm, both ends are using its width as the semicircle of diameter.
5. electrocardiograph dry electrode according to claim 1, which is characterized in that the conductive fabric thickness of the enhancement layer is less than or equal to
0.05mm, overall width 20-40mm, length 50-80mm, both ends are using its width as the semicircle of diameter.
6. electrocardiograph dry electrode according to claim 1, which is characterized in that the conductive sponge is sent out by polymer composite
Bubble technology produces, and foaming aperture is uniform, and main component is polyester sponge and metallic nickel, and non-toxic and tasteless, conductive sponge is soft, rich
Elasticity；Conductive sponge is directly and skin contact, adaptive human chest outer profile fit in skin surface.
7. electrocardiograph dry electrode according to claim 1, which is characterized in that the conductive sponge thickness of the first buffer layer is
1mm, overall width 20-40mm, length 50-80mm, both ends are using its width as the semicircle of diameter.
8. electrocardiograph dry electrode according to claim 1, which is characterized in that the conductive sponge thickness of the second buffer layer is small
In equal to 0.5mm, overall width 20-40mm, length 50-80mm, both ends are using its width as the semicircle of diameter.
9. electrocardiograph dry electrode according to claim 1, which is characterized in that the inhibition motion artifacts layer is for offsetting or delaying
Punching is shaken by the substrate that people generates during exercise, and the opposite sliding between the electrode and skin that are brought in sliding or extruding squeezes,
Twist distortion, cause skin-electrode electric double layer occur charge redistribute caused by motion artifacts.
10. electrocardiograph dry electrode according to claim 1, which is characterized in that the electrode integral thickness is less than or equal to 3mm,
Overall width is 20-40mm, and length 50-80mm, both ends are using its width as the semicircle of diameter.
11. electrocardiograph dry electrode according to claim 1, which is characterized in that the graphene is electrode core material, pure
Degree is more than 95%, conductivity 105S/m, and the content of oxygen and sulphur is 0.5%, metals content impurity 100ppm, specific surface area
For 100-300m2/ g, coating layer thickness 0.005mm.
12. electrocardiograph dry electrode according to claim 1, which is characterized in that the insulating fabrics, thickness 0.5-0.8mm,
Overall width is 50-70mm, and length is the rectangle of 80-110mm, and center hollow out figure is electrode contacting surface layer shape；Insulating fabrics
Conductive layer and skin contact is isolated in encapsulated electrode, avoids generating interference signal.
13. electrocardiograph dry electrode according to claim 1, which is characterized in that the insulating fabrics is sewed with fabric substrate
Machine is sewed and connected, fixes.
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| CN105997085B (en) * | 2016-06-17 | 2020-08-11 | 电子科技大学 | Wearable dynamic monitoring pectoral girdle for chronic obstructive pulmonary disease |
| CN106037735A (en) * | 2016-07-07 | 2016-10-26 | 苏州海神联合医疗器械有限公司 | High-conductivity electrode applicable to electromyography-evoked potential equipment |
| CN106859637B (en) * | 2016-12-28 | 2022-05-03 | 电子科技大学 | Flexible conductive rubber electrocardio dry electrode with holes |
| CN107049299B (en) * | 2017-04-06 | 2019-12-06 | 河北大学 | Anti-interference electrocardio detection system and detection method |
| CN107485386B (en) * | 2017-09-21 | 2021-03-19 | 中国科学院电子学研究所 | Intracranial cortical neural information detection electrode, electrode array and preparation method thereof |
| CN107802261A (en) * | 2017-11-14 | 2018-03-16 | 复旦大学 | Dry disposable flexible electrocardioelectrode and preparation method thereof |
| CN107865654A (en) * | 2017-12-19 | 2018-04-03 | 南京工业大学 | A kind of method that the dry electrode of cardioelectric monitor is prepared based on leather |
| CN108042128A (en) * | 2017-12-25 | 2018-05-18 | 上海交通大学 | Electrocardiogram monitoring device and its manufacturing method |
| CN108652616A (en) * | 2018-05-17 | 2018-10-16 | 清华大学 | A kind of flexible wearable cardiac bioelectricity monitoring device |
| CN110916651A (en) * | 2018-09-20 | 2020-03-27 | 深圳先进技术研究院 | Skin dry electrode |
| CN113576483A (en) * | 2021-08-06 | 2021-11-02 | 中国科学院苏州生物医学工程技术研究所 | Wearable equipment |
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| JP2010534502A (en) * | 2007-07-26 | 2010-11-11 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Electrodes for acquiring physiological signals of recipients |
| CN203341734U (en) * | 2013-07-08 | 2013-12-18 | 江苏华阳电器有限公司 | Household heart rhythm monitoring analyzer |
| CN204351827U (en) * | 2015-01-05 | 2015-05-27 | 深圳市荃鼎科技有限公司 | A kind of offest electrode sheet |
| CN204364658U (en) * | 2015-01-05 | 2015-06-03 | 深圳市荃鼎科技有限公司 | A kind of Wearable electrode slice |
| CN104739403B (en) * | 2015-04-10 | 2017-08-25 | 中国科学院重庆绿色智能技术研究院 | Graphene nano wall flexibility electrocardioelectrode and preparation method thereof |
| CN104921719A (en) * | 2015-05-15 | 2015-09-23 | 苏州极致医疗技术有限公司 | Omni-directional real-time electrocardiogram monitoring device |
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