CN109730673A - A kind of embroidery electro-physiological signals monitoring electrode and preparation method thereof - Google Patents
A kind of embroidery electro-physiological signals monitoring electrode and preparation method thereof Download PDFInfo
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- CN109730673A CN109730673A CN201910089501.4A CN201910089501A CN109730673A CN 109730673 A CN109730673 A CN 109730673A CN 201910089501 A CN201910089501 A CN 201910089501A CN 109730673 A CN109730673 A CN 109730673A
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Abstract
The invention discloses a kind of embroidery electro-physiological signals monitoring electrodes and preparation method thereof, belong to field of medical article technology.Embroidery electro-physiological signals monitoring electrode of the invention includes conductive layer, substrate fabric and metal lead button；Conductive layer is arranged in the obverse and reverse sides of the substrate fabric, and the metal lead button connects two conductive layers；The conductive layer is that the conductive yarn containing carbon based fibers is sewn to respectively on positive and negative two faces of substrate fabric by anglicanum to form conductive layer.The present invention can be used for being carried in wearable intelligent clothing, realize the purpose of the long-term Human Physiology electric signal of acquisition in real time, and textile electrode is produced using the material of no cytotoxicity, meet medical materials in vitro cytotoxicity test standard, with good biocompatibility and conductivity, the electro-physiological signals of high quality can be effectively acquired.
Description
Technical field
The present invention relates to a kind of embroidery electro-physiological signals monitoring electrodes and preparation method thereof, belong to medical supplies technology neck
Domain.
Background technique
In recent years, cardiovascular and cerebrovascular disease had become the number one killer for leading to human death.Cardiac monitoring has become this
The routine inspection means of class disease.Cardiac monitoring usually requires the diagnosis and treatment in hospital, it is also necessary to when special pre-treatment could be long
Between monitor, tradition Ag/Agcl electrode used at present is a kind of adhesive type gel electrode for needing to smear conductive paste, is being acquired
Before electrocardiosignal, it is also necessary to smear conductive paste to patient skin surface, this special pre-treatment be easy to cause patient skin scabies
Itch and wait malaise symptoms, and after acquisition after a period of time, needing to smear conductive paste again after conductive paste is dry could continue
Monitor patient electrocardiosignal, this traditional electrocardio Diagnosis-treat Model to the skin of patient have injure and to patient it is uncomfortable
Experience, be not suitable for be used to acquire electrocardiosignal for a long time.With the development of science and technology, by wearable monitoring electro-physiological signals
Intelligent clothing, novel online medical diagnosis system will replace the Diagnosis-treat Model of traditional hospital, can be loaded into wearable clothes
Textile electrode in dress compares adhesive type electrode, and the dry electrode of textile structural is because of its softness, air-moisture-permeable, circulating repetition use
Property it is good, therefore the function of long term monitoring human-body biological signal may be implemented, patient is made to understand the state of an illness of itself at the first time, and
It can be succoured in time, be expected to become the substitute that medical treatment at present uses adhesive type electrode.
The material for the textile electrode studied at present can be divided mainly into polarization metal, non-polarized metal, polymer coated metal,
Nano-organosilicon and carbon black materials, by conductive yarn through woven, knitting or embroidery, or direct conductive coating system on the fabric
Obtain textile electrode.But the poor biocompatibility of textile electrode is to restrict its key factor for entering medical grade equipment, especially
Conductive compositions in textile electrode often have stronger cytotoxicity.Cytotoxicity is that action of chemicals is basic in cell
Structure or physiology course influence metabolic processes (cellular component or the product of cell such as cell membrane or cytoskeletal structure
Synthesis, degradation or release, ion regulation and cell division), lead to the disorder of cell survival, proliferation and/or function, drawn
The adverse reaction of hair.During medical monitoring ECG signal, electrode slice is directly to contact with human skin tissue cell,
Therefore medical diagnosis needs to have good biocompatibility with textile electrode piece, avoids generating the symptoms such as allergy itch, to trouble
The good comfortable sexual experience of person, achievees the purpose that long term monitoring electro-physiological signals.However material used in many textile electrodes
Such as coat of metal long filament, all there is certain cytotoxicity, the testing standard of medical materials in vitro is not achieved, is not suitable for curing
It treats health field to use, it is therefore desirable to research and develop the textile electrode with good biocompatibility.
Recently domestic that the textile electrode of the electro-physiological signals acquisition with good biocompatibility is studied seldom, at present specially
Sharp document (patent publication No.: CN101703399A, publication date: 2010.05.12) " embroidered electrode " describes one kind and passes through
Method of the conductive yarn using clothes as substrate by embroidery forms conductive layer and skin contact on clothes can realize acquisition electrocardio
A kind of purpose (patent publication No.: CN104523267A, publication date: 2015.04.22) " embroidery villus flexibility electrocardio of signal
Electrode " describe in detail it is a kind of manufacture textile electrode by the mode that embroidering method forms conductive layer using conductive yam, create
New point is to grow the influence to contact impedance in view of worn for long periods process mesocuticle, therefore leads on embroidery fabric surface
Cross technique form it into conductive tapetum with this come with skin contact achieve the purpose that acquire electrocardiosignal.
However these published technologies are not considered to meet medical standard, i.e., are tested by vitro cytotoxicity
It is required that limiting textile electrode in the application in medical treatment & health field.
Summary of the invention
The object of the present invention is to provide a kind of novel embroidery electro-physiological signals to monitor electrode, to overcome existing weaving flexible
The problem of electro-physiological signals monitoring electrode enters biocompatibility possessed by medical field, and can achieve wearing comfort,
Long-term and stable acquisition Human Physiology electric signal, and no cytotoxicity, to the good biocompatibility of human skin, Neng Gouyou
Effect avoids the symptoms such as patient skin itch redness caused by traditional adhesive type electrode.
To achieve the above objectives, the present invention provides a kind of embroidery electro-physiological signals to monitor electrode, including conductive layer, substrate
Fabric and metal lead button；The obverse and reverse sides of the substrate fabric are arranged conductive layer, and the metal lead button is by two conductions
Layer connection；The conductive layer is that the conductive yarn containing carbon based fibers is sewn to substrate fabric respectively by anglicanum
Conductive layer is formed on positive and negative two faces.
In one embodiment of the invention, the conductive yarn is that carbon-based long filament or carbon based fibers and chemical fibre are blended
Complex yarn prepared by prepared complex yarn or carbon based fibers and natural fiber.
In one embodiment of the invention, the conductive yarn is the carbon-based fibre of carbon based fibers and polyester filament preparation
Dimension/polyester composite filament.
In one embodiment of the invention, the fineness of the conductive yarn be 100~120D, impedance be 200~
600KΩ/cm。
In one embodiment of the invention, carbon based fibers fineness is 22dtex, carbon based fibers in the conductive yarn
Impedance be 100~500K Ω/cm.
In one embodiment of the invention, the substrate fabric is led to by the purified cotton yarns of medical grade no cytotoxicity
Cross the prepared fabric of woven method longitude and latitude intertexture.
In one embodiment of the invention, the substrate fabric is the woven bottom of pure cotton handled through high-temp sterilizing
Cloth, the substrate fabric feature are no cytotoxicity, meet national standard (GB/T 16886.5-2017/ISO 10993-5:
2009) standard that vitro cytotoxicity test grade is 0 grade in.
In one embodiment of the invention, the substrate fabric is fabric close during density is；It is close in described to knit
Object refers to thread count in the fabric of 150~300/10cm.
In one embodiment of the invention, the substrate fabric be in close plain cloth.
In one embodiment of the invention, substrate fabric is no cytotoxicity pure cotton plain cloth or medical grade yarn
Cloth, the pure cotton plain cloth of shown no cytotoxicity refer to that cytotoxicity test grade is 0 grade.
In one embodiment of the invention, the content of carbon based fibers is 18~25% in the conductive yam.
In one embodiment of the invention, the fineness of the conductive yam is 100D.
In one embodiment of the invention, shown conductive twist per unit is 100 twirls/10cm.
In one embodiment of the invention, the technique of the embroidery is: needle tracking type is straight line needle, and stitch length is
2~5mm, needle tracking spacing are 0.5~2mm, and needle speed is 480~550 needles/min, and tension scale is 2~3.
In one embodiment of the invention, the stitch length is 2~3mm.
In one embodiment of the invention, the needle tracking spacing is 0.5~1mm.
In one embodiment of the invention, the needle speed is 500 needles/min.
In one embodiment of the invention, the tension scale is 2.7.
In one embodiment of the invention, the material of the metal lead button is conductive metal material, including
But it is not limited to copper or alloy.
The embroidery electro-physiological signals monitoring electrode is also claimed in the application of medical field context of detection in the present invention.
Compared with prior art, the beneficial effects of the present invention are:
The present invention can be carried in wearable electronic intelligent clothing, be used for long term monitoring Human Physiology electric signal, used nothing
Cytotoxicity and the carbon based fibers with excellent conductive performance are that material preparation embroidery electro-physiological signals monitor electrode, this life
Reason electric signal monitoring electrode has the characteristics that soft comfortable and good biocompatibility, can guarantee real-time to wear long-term
The electro-physiological signals for meeting medical diagnosis that output stable in electro-physiological signals monitoring system has high quality are worn, long-term
Human skin tissue will not be damaged, wearing comfort, and structure is simple, be easy during monitoring electro-physiological signals
Preparation.
Detailed description of the invention
Fig. 1 is the sectional view of embroidery electro-physiological signals monitoring electrode；Wherein, 1, substrate fabric；2, conductive layer；3, metal is led
Connection button.
Fig. 2 is the front view of embroidery electro-physiological signals monitoring electrode；Wherein, 1, substrate fabric；2, conductive layer；3, metal is led
Connection button.
Fig. 3 is that the embroidery electro-physiological signals monitor in electrode culture mouse L929 leaching liquor in mtt assay test cell toxicity
The microscope photograph of cellular morphology；(a) carbon based fibers/terylene embroidered electrode；(b) silver coated nylon/terylene embroidered electrode；(c) negative
Property control group.
Fig. 4 is to monitor the collected ECG signal of electrode using the embroidery electro-physiological signals of embodiment 1.
Specific embodiment
Embodiment 1
As Fig. 1~2 show the sectional view and front elevation of embroidery electro-physiological signals monitoring electrode, the embroidery physiology telecommunications
Number monitoring electrode include substrate fabric 1, conductive layer 2, metal lead button 3；During the substrate fabric is clipped in by two conductive layers
Between, the metal lead button connects two conductive layers；The conductive layer by carbon based fibers and/or is washed by anglicanum
Synthetic fibre silk is sewn in the front and back sides of substrate fabric respectively and forms conductive layer.
The shape of the embroidery electro-physiological signals monitoring electrode is circle, and diameter 25mm, overall thickness is 3~4mm.
The substrate fabric 1 is the woven plain cloth of medical pure cotton, and it is grade that cytotoxicity grade, which is 0,.The substrate fabric 1
Pass through the prepared fabric of weaving process longitude and latitude intertexture using the purified cotton yarns of the no cytotoxicity of medical grade, or pure through using
The pure cotton Woven fabrics that high-temp sterilizing is handled after cotton weaving.The substrate fabric 1 is that thread count is 150~300
Root/10cm pure cotton plain cloth meets external in national standard (GB/T 16886.5-2017/ISO 10993-5:2009)
Cytotoxicity test grade is 0 grade.
The material of the conductive layer 2 is the carbon-based fibre of 120D of single carbon based fibers and the blended twisting preparation of polyester filament beam
Dimension/polyester composite filament, resistance be 200~600K Ω/cm, the carbon fiber fineness be 22dtex, resistance be 100~
500K Ω/cm, the polyester filament fineness are that 40D is non-conductive, and the yarn twist of the conductive layer 2 is 100 twirls/10cm.
The conductive yarn 2 is the bicomponent filament yarn of carbon based fibers and polyester filament preparation, and the content of the carbon based fibers is
20%, the twist of conductive yarn 2 is 100 twirls/10cm；The material of the metal lead button 3 is copper.
When production, on the substrate fabric of the woven plain cloth of pure cotton of no cytotoxicity, anglicanum is designed and with embroidery
Mode links together carbon based fibers/polyester composite filament conductive yarn with substrate fabric, forms circular embroidery physiology electric
Signal monitoring electrode slice, the embroidering method are to be embedded into continuous yarn by way of embroidery by conductive yam on embroidery machine
It is embedded on the substrate fabric in substrate fabric, embedded by non-other modes.The needle tracking type of anglicanum is straight line needle,
Stitch length is 5mm, and needle tracking spacing is 1.5mm, and the embroidery electro-physiological signals monitor electrode slice two sides conductive layer, finally exist
The fixed metal lead button of centre of surface of circle embroidery electro-physiological signals monitoring electrode.
Anglicanum parameter in the present embodiment is specifically as shown in table 1.
1 anglicanum parameter of table
Embroidering method of the invention is different from other nonwoven modes, and (such as needle thorn or spun lacing are by conductive fiber or yarn
It is pierced into substrate fabric and is combined with substrate fabric).Embroidering method of the present invention makes the embedded mode of conducting wire
Pass through the regularity of programmable parameter (such as density, needle tracking spacing, stitch length) control insertion.Spun lacing or needle thorn etc. are non-to knit
The mode made is that conductive yarn is randomly-embedded to substrate fabric, larger to substrate Fabric failure.
Embodiment 2
Electrode is monitored referring to the identical technological parameter of embodiment 1 preparation embroidery electro-physiological signals, difference is, by carbon-based fibre
Dimension replaces with silver coated nylon silk, prepares silver coated nylon silk/dacron embroidered electrode.
The present embodiment adhesive type gel electrode and silver coated nylon/terylene embroidered electrode material and preparation method are as follows:
2 experimental material specification of table
It is long that obtained silver coated nylon/blend polyester is twisted using a branch of 70D silver coated nylon long filament and a branch of polyester filament doubling
Silk.Remaining step prepares electro-physiological signals monitoring electrode referring to the identical method of embodiment 1.
Embodiment 3
It is control with commercially available medical gel electrode (buying from Shanghai Jun Kang medical equipment Co., Ltd), using MTT
Method to each electrode slice carry out cytotoxicity test, according to national standard (GB/T 16886.5-2017/ISO 10993-5:
2009) vitro Cytotoxicity Evaluation is carried out.Specific steps are as follows: by L929 mouse cell (1 × 104A cell/100 μ
L it) is inoculated on 96 orifice plates, in 37 DEG C of 5%CO2Under the conditions of be incubated for make for 24 hours cell formed half converging state, be sucked out culture medium,
The processing culture medium of 100 μ L test specimen leaching liquors or negative control or positive control or solvent (blank) is added, continues to incubate
It educates 24 hours, plate and cellular morphology is checked under phase contrast microscope.Culture medium is carefully removed after plate inspection and 50 μ L are added
MTT solution continue to cultivate 2h, then discard MTT solution, 100 μ L isopropanols are added in every hole.Plate is shaken, in 570nm wavelength
Its absorbance of lower measurement (referring to wavelength 650nm).
The MTT of yellow water-soluble can be reduced into blue formazan not soluble in water by the succinate dehydrogenase in cell mitochondrial
Class crystalline solid, and be deposited in cell, which dissolves in isopropanol, dimethyl sulfoxide equal solvent and forms blue solution.
And in toxic condition, enzymatic activity can reduce, and formation formazan class compound is few, and color is shallower, available according to shade
Microplate reader measures its absorbance, to judge that test specimen to the toxicity of l cell, calculates thin according to formula (1)
The survival rate of born of the same parents:
In formula:
100% leaching liquor OD average of ODa-------- test specimen；
ODb-------- blank OD average；
When survival rate is lower, the potential cytotoxicity of test specimen is higher.
The classification of 3 leaching liquor cell toxicity test cellular morphology of table
It is found from the cell observation after the leaching liquor contact in microscope to Different electrodes, as shown in Fig. 3 (a), silver-plated Buddhist nun
The cellular layer of L929 mouse cell almost destroys in nylon yarn/dacron electrode leaching liquor, and carbon based fibers/terylene
Cell in textile electrode leaching liquor is shown in Fig. 3 (b), there is discrete particle, cell-free dissolution in endochylema, and cell-free proliferation declines feelings
Condition.Microscopic findings show, silver coated nylon silk/dacron electrode has a severe cytotoxicity, and carbon based fibers/terylene
Textile electrode then no cytotoxicity.
Mtt assay test result shows that silver coated nylon silk/dacron electrode cell survival rate is 3%, carbon based fibers/
The cell survival rate of dacron electrode be 107%, the results showed that silver coated nylon silk/dacron electrode of preparation have compared with
Strong cytotoxicity, and carbon based fibers/dacron electrode no cytotoxicity illustrates carbon-based nylon yarn/dacron electrode symbol
Close the cytotoxicity class requirement of medical instrument.
Embodiment 4
Embodiment is detected using wearable ECG Gathering System power health (heal Force) electrocardiogram equipment-Prince180D equipment
The electro-physiological signals monitoring electrode of 1~2 preparation and medical gel electrode (are bought from the limited public affairs of Shanghai an ancient unit of weight health medical equipment
Department) ECG signal.
Table 4 is the Appreciation gist of electrocardiogram, and in actual operation, there are many factor for influencing electrode function quality evaluation.Cause
This, the more different evaluation methods for assigning weight coefficient of use pass through comparison fabric electricity under identical hardware condition and test condition
The quality of the electrocardio electric signal of pole and gel electrode acquisition, for evaluating the effect of textile electrode acquisition electrocardiosignal.
The textile electrode performance evaluation foundation of 4 electrocardiogram monitoring of table
In electrocardiogram, QRS- wave group and T wave are the major parts that can describe key role.In the evaluation of electrode quality
In, if these waveform portions are high-visible, 2 points are provided, is otherwise 0 point.The stable time was counted from 0 second, until baseline is steady
It is fixed.If stablize need time at 10 seconds hereinafter, if obtain 2 points；Second 1 point will be obtained from 11 to 60, will be obtained more than 60 seconds
Obtain 0 point.R peak amplitude indicates signal strength, and if it is larger than or equal to referring to gel electrocardioelectrode, test value 2.40mV then can
Obtain 2 points；If it be in 2.0mV hereinafter, if will obtain the variation of 0 point of .R- wave-amplitude and refer to minimum between top
Difference (V).If amplitude variations in 0.1mV hereinafter, if provide 2 points, if it is more than 0.2mV, 0 point will be obtained, in table
The foundation of evaluation criterion is listed in 5.As shown in table 5, in long-time electrocardiogram monitoring and analysis, by the weight of electrode characteristic
The property wanted determines the weighting coefficients of indices.In this evaluation, most important characteristic is QRS- wave group, P wave, T wave, R wave
Amplitude and noise jamming, these characteristics are all an important factor for influencing electrocardio plot quality, to influence examining for cardiovascular disease
It is disconnected.
The weight coefficient of the analysis conclusion of table 5
Collected electrocardiosignal is evaluated according to the above-mentioned evaluation method to electrocardiogram, the results are shown in Table 6.Comparison is solidifying
The collected electrocardiosignal of embroidered electrode of gel electrode and Examples 1 to 2 preparation, the QRS- wave group of each electrode, P- wave and T- wave
Obviously, three kinds of electrodes all have good waveform, but the R wave-amplitude of two kinds of embroidery fabric electrodes is more slightly lower than gel electrode, gel
Electrode and silver coated nylon/terylene embroidered electrode electrocardiosignal stable time are short, carbon based fibers/terylene embroidered electrode signal
Stablize time more a length of 12.3s, the amplitude variations of gel electrode electrode are minimum, and electrocardiosignal is most stable.
The electrocardiosignal quality evaluation of 6 electrode of table
Compared to gel reference electrode, the electrocardiographic wave of embroidered electrode is good, but in its other party such as amplitude, stable times
Face still gap, this can be by adjusting specific embroidered electrode preparation process (content as increased conductive filament, variation electricity
The density etc. of pole piece) it solves.In two kinds of embroidery fabric electrodes, carbon based fibers/terylene embroidered electrode electrocardiosignal quality with
Silver coated nylon/terylene embroidered electrode is close, and scoring is respectively 9,10.Although carbon based fibers/terylene embroidered electrode signal stabilization
Time is longer, but this shared time scale during long-time acquires electrocardio is very little, and the embroidered electrode is being adopted
Good electrocardio plot quality, therefore carbon based fibers/terylene embroidered electrode acquisition electrocardiosignal energy are shown in collection electrocardiosignal
Meets the needs of every-day medical diagnosis.
Comparative example:
The present invention also explores the parameters such as needle tracking spacing, stitch length, tension scale, the results show that in needle tracking
When spacing is greater than 2mm, embroidery fabric conductive layer discontinuously can be impacted electrocardiosignal because of conductive yarn, and stitch length is big
It is too long to will lead to yarn flotation line in 5mm, hooking or slippage occur during use, and tension scale is equally to influence thorn
Embroidered woven object tightness degree, when tension scale is less than 2, during woven embroidery conductive layer surface appearance can much led
The looped pile of electric yarn, and tension scale will lead to the tight shape for making embroidery of substrate fabric greater than 3 and change, and then cause
Conductive yarn easily breaks end, and needle speed is excessive to be easy to appear broken yarn and cause embroidery effect bad.
Although the present invention has been described by way of example and in terms of the preferred embodiments, it is not intended to limit the invention, any to be familiar with this skill
The people of art can do various change and modification, therefore protection of the invention without departing from the spirit and scope of the present invention
Range should subject to the definition of the claims.
Claims (10)
1. a kind of embroidery electro-physiological signals monitor electrode, which is characterized in that including conductive layer, substrate fabric and metal lead button；
Conductive layer is arranged in the obverse and reverse sides of the substrate fabric, and the metal lead button connects two conductive layers；The conductive layer is
The conductive yarn containing carbon based fibers is sewn to respectively on positive and negative two faces of substrate fabric by anglicanum and forms conduction
Layer.
2. a kind of embroidery electro-physiological signals according to claim 1 monitor electrode, which is characterized in that the conductive yarn is
Carbon-based long filament or carbon based fibers and the blended prepared complex yarn of chemical fibre or carbon based fibers with it is compound prepared by natural fiber
Yarn.
3. a kind of embroidery electro-physiological signals according to claim 1 or 2 monitor electrode, which is characterized in that the conductive yam
Line is carbon based fibers/polyester composite filament of carbon based fibers and polyester filament preparation.
4. a kind of embroidery electro-physiological signals according to claim 2 or 3 monitor electrode, which is characterized in that the conductive yam
The content of carbon based fibers is 18~25% in line.
5. monitoring electrode according to a kind of any embroidery electro-physiological signals of claim 2~4, which is characterized in that the carbon
The impedance of base fiber is 100~500K Ω/cm.
6. a kind of any embroidery electro-physiological signals monitor electrode according to claim 1~3, which is characterized in that the thorn
The substrate fabric for embroidering electro-physiological signals monitoring electrode is to pass through woven method longitude and latitude by the purified cotton yarns of medical grade no cytotoxicity
Interweave prepared fabric.
7. a kind of embroidery electro-physiological signals according to claim 6 monitor electrode, which is characterized in that the substrate fabric is
Density be in close fabric.
8. a kind of any embroidery electro-physiological signals monitor electrode according to claim 1~7, which is characterized in that the thorn
The technique of embroidery is: needle tracking type be straight line needle, stitch length be 2~5mm, needle tracking spacing be 0.5~2mm, needle speed be 480~
550 needles/min, tension scale are 2~3.
9. a kind of embroidery electro-physiological signals according to claim 1 monitor electrode, which is characterized in that the metal lead
The material of button is conductive metal material.
10. a kind of any embroidery electro-physiological signals monitoring electrode of claim 1~9 is in intelligent clothing field, or medical treatment
The application of field context of detection.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114129168A (en) * | 2021-12-15 | 2022-03-04 | 上海念通智能科技有限公司 | Flexible electric signal acquisition pad |
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| CN101703399A (en) * | 2003-05-31 | 2010-05-12 | 皇家飞利浦电子股份有限公司 | Embroidered electrode |
| CN102995395A (en) * | 2011-09-15 | 2013-03-27 | 香港理工大学 | Conductive textile and its making method |
| CN104523267A (en) * | 2015-01-09 | 2015-04-22 | 东华大学 | Inwrought fluff flexible electrocardio-electrode |
| CN107198519A (en) * | 2017-06-30 | 2017-09-26 | 华南理工大学 | A kind of Novel sweat-absorbing textile electrode |
| CN206576310U (en) * | 2017-03-13 | 2017-10-24 | 博迪加科技(北京)有限公司 | The sensor cluster and intelligent clothing of intelligent clothing |
| CN206612788U (en) * | 2016-10-31 | 2017-11-07 | 江南大学 | A kind of novel human-body physiologic signal monitoring electrode |
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| CN101703399A (en) * | 2003-05-31 | 2010-05-12 | 皇家飞利浦电子股份有限公司 | Embroidered electrode |
| CN102995395A (en) * | 2011-09-15 | 2013-03-27 | 香港理工大学 | Conductive textile and its making method |
| CN104523267A (en) * | 2015-01-09 | 2015-04-22 | 东华大学 | Inwrought fluff flexible electrocardio-electrode |
| CN206612788U (en) * | 2016-10-31 | 2017-11-07 | 江南大学 | A kind of novel human-body physiologic signal monitoring electrode |
| CN206576310U (en) * | 2017-03-13 | 2017-10-24 | 博迪加科技(北京)有限公司 | The sensor cluster and intelligent clothing of intelligent clothing |
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| CN114129168A (en) * | 2021-12-15 | 2022-03-04 | 上海念通智能科技有限公司 | Flexible electric signal acquisition pad |
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Application publication date: 20190510 |
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| RJ01 | Rejection of invention patent application after publication |