CN103462601B - Electrode for medical service pastes and preparation method thereof - Google Patents
Electrode for medical service pastes and preparation method thereof Download PDFInfo
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- CN103462601B CN103462601B CN201310440100.1A CN201310440100A CN103462601B CN 103462601 B CN103462601 B CN 103462601B CN 201310440100 A CN201310440100 A CN 201310440100A CN 103462601 B CN103462601 B CN 103462601B
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Abstract
The present invention relates to a kind of electrode for medical service pastes, comprise: the flexibility external electrode that can stretch, comprise flexible substrates, electrode unit, contact conductor, lead-in wire tie point and insulating barrier, electrode unit, contact conductor and lead-in wire tie point form electrode assemblie jointly, electrode assemblie is located in flexible substrates, electrode unit is connected to lead-in wire tie point via contact conductor, and insulating barrier is located in described flexible substrates and is covered described contact conductor, and the material of flexible substrates and insulating barrier is dimethyl silicone polymer; Diaphragm, thus coated electrode assembly forms protection. The invention still further relates to the preparation method that a kind of electrode for medical service pastes. Electrode for medical service of the present invention pastes has good pliability and deformability and good biocompatibility, can form good conformal attaching with skin, the joint that can often significantly move for elbow, wrist, knee etc.
Description
Technical field
The present invention relates to field of medical, particularly relate to a kind of electrode for medical service and paste, also relate to a kind of medicalThe preparation method of electrode paste.
Background technology
In the time carrying out medical diagnosis or corresponding research, need to be to the body built-in potential of human body or studied animalMeasure and record, transcutaneous electrostimulation is the means of a kind of auxiliary disease treatment of clinical frequent use in addition.Various Medical measuring instrument devices all need in the time carrying out biological electricity detection and when sick body is applied to electro photoluminescence supplemental treatmentTo contact by suitable electrode the transmission that realizes the signal of telecommunication with body. External electrode be at present the most common andA kind of electrode of extensive use, its due to non-invasive be widely used in clinical, as: by wearing hat type electricityThe utmost point records scalp brain electricity and carries out sleep monitor and critically ill patient monitoring; By body surface ecg electrode recordElectrocardiosignal carries out cardiopathic diagnosis; Apply the pain diseases such as electronic stimulation antimigraine by electrode.
At present, medical body surface electrode is mainly divided into following two classes: wet electrode and dry electrode. So-called wet electrode,Need exactly the electrode together using in conjunction with conductive paste. Before use, by conductive paste be coated in electrode surface orOn subject's skin, with electrically contacting between intensifier electrode and subject, reduce impedance. Clinical making at presentWith wet electrode can be divided into again the several types such as plate electrode, spherical adsorption electrode, suspension electrode, soft electrode,Wherein plate electrode, adsorption electrode, suspension electrode are the grand electrode of rigidity, have simple in structure, can repeatThe feature using, but under normal circumstances, the grand electrode of these rigidity is difficult to adapt to variation and the skin of human body curvatureSkin forms good contact, therefore poor stability, and human body slightly moves, and will cause even electricity of mobile artifactThe utmost point comes off, and distorted signals is serious, and poor anti jamming capability is only suitable for monitoring in short-term in the static state of electricity physiological signal.Soft electrode is a kind of electrode designing for infant clinically, fixes a fritter filigree on adhesive plaster,Or on polyester film, deposit one deck Ag-AgCl film, than several electrodes above, soft electrode can be betterThe variation of complying with body surface curvature, form good contacting with skin, signals collecting is effective, mobile artifactLittle, but current soft electrode is subject to the restriction of material, and bendable curvature is little, also can't meet human body changeableBody surface structure, and comfort level is poor.
So-called dry electrode, though the used time without the auxiliary electrode of conductive paste, kind electrode has overcome electrode cream to be madeVariety of problems with bringing in process: complex operation, to skin produce minimal irritation, bring subject notFit etc. People use polyimides and silicon materials to prepare the external electrode of probe structure, and when use, probe canWith through cuticula, directly contact epidermal tissue, reduce the impedance that cuticula brings, but this dry electrodeCan bring certain tingling sensation to subject, can only serve as equally a kind of instrument of Short-Term Monitoring, and this twoPlant material itself and also cannot stretch, can not meet the demand of the changeable body surface structure of human body completely.
Summary of the invention
Based on this, be necessary to provide a kind of have good pliability and the subsides of flexible electrode for medical service.
A kind of electrode for medical service pastes, and comprising: the flexibility external electrode that can stretch, comprise flexible substrates, electrode unit,Contact conductor, lead-in wire tie point and insulating barrier, described electrode unit, contact conductor and lead-in wire tie point are commonComposition electrode assemblie, described flexible substrates comprises first surface and second surface, described electrode assemblie is located at instituteState on first surface, described electrode unit is connected to lead-in wire tie point via contact conductor, described electrode unitFor realizing can stretch being electrically connected of target detection position of external electrode and subject's body surface of described flexibility, instituteState insulating barrier and be located on described first surface and cover described contact conductor, described flexible substrates and insulating barrierMaterial is dimethyl silicone polymer; Diaphragm, cover described electrode assemblie but not with the adhesion of electrode assemblie phase,Described electrode assemblie is formed to protection.
In an embodiment, described electrode for medical service pastes and comprises medical air-permeable adhesive plaster, described medical air-permeable thereinOne surface of adhesive plaster comprises electrode conformable region and diaphragm conformable region; The second surface of described flexible substrates and instituteState electrode conformable region and fit, a part for described diaphragm and described diaphragm conformable region fit, anotherPart is covered on described electrode assemblie.
Therein in an embodiment, the described flexibility external electrode that can stretch is positioned at the region on electrode assemblie sideSurface is coated with rubber pressure-sensitive adhesive slurry, a part for described diaphragm by described rubber pressure-sensitive adhesive slurry withDescribed electrode for medical service pastes and fits, and another part is covered on described electrode assemblie.
In an embodiment, described diaphragm is two, fits in respectively two of described electrode assemblie thereinSide.
Therein in an embodiment, the described flexibility external electrode that can stretch is to adopt micro-electromechanical processing technology systemStandby formation.
The preparation method who provides a kind of electrode for medical service to paste is also provided.
The preparation method that electrode for medical service pastes, comprising: provide medical air-permeable adhesive plaster, described medical air-permeable glueOne surface of cloth comprises electrode conformable region and diaphragm conformable region; Flexibility can be stretched to body surface attachment of electrodes in instituteState surface, electrode conformable region, and a part for diaphragm is sticked on to surface, diaphragm conformable region, form medicalElectrode paste; Wherein, described flexibility can stretch external electrode comprise flexible substrates, electrode unit, contact conductor,Lead-in wire tie point and insulating barrier, described electrode unit, contact conductor and lead-in wire tie point form electrode group jointlyPart, described flexible substrates comprises first surface and second surface, described electrode assemblie is located at described first surfaceUpper, described electrode unit is connected to lead-in wire tie point via contact conductor, and described electrode unit is used for realizing instituteState can stretch being electrically connected of target detection position of external electrode and subject's body surface of flexibility, described insulating barrier is establishedOn described first surface and cover described contact conductor, the material of described flexible substrates and insulating barrier is poly-twoMethylsiloxane, the second surface of described flexible substrates and described electrode conformable region fit; Described diaphragmA part and described diaphragm conformable region fit, another part cover described electrode assemblie but not with electrodeThe adhesion of assembly phase, forms protection to described electrode assemblie.
In an embodiment, described diaphragm conformable region is positioned at the both sides of described electrode conformable region, institute thereinStating diaphragm is two, fits in respectively the surface, described electrode conformable region of a side.
The preparation method who also provides another kind of electrode for medical service to paste.
The preparation method that electrode for medical service pastes, comprising: provide the flexibility external electrode that can stretch, described flexibilityThe external electrode that can stretch comprises flexible substrates, electrode unit, contact conductor, lead-in wire tie point and insulating barrier,Described electrode unit, contact conductor and lead-in wire tie point form electrode assemblie jointly, and described electrode assemblie is located atIn described flexible substrates, described electrode unit is connected to lead-in wire tie point via contact conductor, described electrode listUnit is for realizing can stretch being electrically connected of target detection position of external electrode and subject's body surface of described flexibility,Described insulating barrier is located in described flexible substrates and is covered described contact conductor, described flexible substrates and insulating barrierMaterial be dimethyl silicone polymer; The described flexibility external electrode that can stretch also comprises and is positioned at electrode assemblie sideDiaphragm conformable region; At the pressure-sensitive rubber cement of described diaphragm conformable region surface coating rubber type, and be driedProcess; Diaphragm is fitted in to surface, described diaphragm conformable region; A part for described diaphragm and described guarantorCuticula conformable region fits, another part cover described electrode assemblie but not with the adhesion of electrode assemblie phase, to instituteState electrode assemblie and form protection.
In an embodiment, described diaphragm conformable region is positioned at the both sides of described electrode conformable region, institute thereinStating diaphragm is two, fits in respectively the surface, electrode conformable region of a side.
Brief description of the drawings
Fig. 1 is the structural representation of the flexible external electrode that can stretch in embodiment 1;
Fig. 2 is the cutaway view along dotted line 6 shown in Fig. 1;
Fig. 3 is the cutaway view along dotted line 7 shown in Fig. 1;
Fig. 4 is the preparation method's that in embodiment 1, electrode for medical service pastes flow chart;
Fig. 5 A to Fig. 5 E is the use schematic diagram that in embodiment 1, electrode for medical service pastes;
Fig. 6 is the preparation method's that in embodiment 2, electrode for medical service pastes flow chart;
Fig. 7 A to Fig. 7 F is the use schematic diagram that in embodiment 2, electrode for medical service pastes.
Detailed description of the invention
For object of the present invention, feature and advantage can more be become apparent, below in conjunction with accompanying drawing to thisBright detailed description of the invention is described in detail.
The invention provides a kind of flexibility external electrode that can stretch. This electrode is mainly used in human body or animal body surfaceThe record of bio-electrical information and apply electro photoluminescence, for the research of clinical diagnosis and laboratory animal model.
Embodiment 1:
Fig. 1 is the structural representation of the flexible external electrode that can stretch in embodiment 1, the flexibility body surface electricity that can stretchThe utmost point comprises flexible substrates 1, insulating barrier 2, electrode unit 3, contact conductor 4 and lead-in wire tie point 5. ElectricityThe utmost point go between 4 electrode electrically connected unit 3 and 5, one electrode units of lead-in wire tie point 3, a contact conductor 4An and electrode assemblie of lead-in wire tie point 5 common compositions. Electrode assemblie is located in flexible substrates 1, absolutelyEdge layer 2 is located in flexible substrates 1 and coated electrode lead-in wire 4. Electrode unit 3 can extrusion for realizing flexibilityBeing electrically connected of the target detection position of table electrode and subject's body surface, going between tie point 5 can for realizing flexibilityStretching external electrode is electrically connected with external circuit.
Fig. 2 is the cutaway view along dotted line 6 shown in Fig. 1, and Fig. 3 is the cutaway view along dotted line 7 shown in Fig. 1.In this embodiment, electrode unit 3 and lead-in wire tie point 5 expose to the open air in the external world, and insulating barrier 2 is not established on surface. ElectricityThe quantity of pole unit 3 is 4, becomes the matrix distribution of 2*2. Understandable, the shape of electrode unit 3,Size, spacing, quantity and arrangement mode can be adjusted based on the actual application requirements. Contact conductor 4 presss from both sidesIn the middle of flexible substrates 1 and insulating barrier 2, form a sandwich structure. The live width of contact conductor 4,Can adjust taking into full account in the rational situation of wiring apart from, cabling mode. Lead-in wire tie point 5Shape, size, spacing and arrangement mode can be adjusted based on the actual application requirements. Lead-in wire tie point 5Corresponding one by one with electrode unit 3, quantity is identical. In the present embodiment, lead-in wire tie point 5 is arranged into 4*1Matrix.
The material of flexible substrates 1 and insulating barrier 2 is dimethyl silicone polymer (polydimethylsiloxane).Dimethyl silicone polymer has good pliability and deformability and good biocompatibility, and its cooperation is micro-The flexibility that dynamo-electric (MEMS) processing technology the is prepared from external electrode that can stretch, has good pliabilityAnd elasticity, can form good conformal attaching with skin, meet organism changeable body surface structure and deformationRequirement. And owing to adopting micro-electromechanical processing technology to be prepared from, therefore can realize multichannel high-space resolution electricityUtmost point design, can realize minimum machining accuracy and spatial resolution to micro-meter scale.
Can adopt above-mentioned flexibility can stretch external electrode prepare electrode for medical service paste, Fig. 4 is embodiment 1 traditional Chinese medical scienceWith the preparation method's of electrode paste flow chart, comprise the following steps:
S110, prepares a medical air-permeable adhesive plaster.
Preparing in a medical air-permeable adhesive plaster 8(the present embodiment is medical band-aid adhesive plaster), as shown in Figure 5A.There is glue on medical air-permeable adhesive plaster 8 surfaces, thereby can paste.
S120, cuts out adhesive plaster into suitable shape and size.
According to can the stretch needs of shape, size and target (subject) test position of external electrode of flexibility,Medical air-permeable adhesive plaster 8 is cut out to suitable shape and size, as shown in Figure 5 B. Understandable, at otherIn embodiment, can stretch external electrode and medical air-permeable adhesive plaster of flexibility can adopt unified specification, is beneficial toThe demand that industrial batch production is manufactured, thus without cutting out adhesive plaster, can directly carry out stepS130。
S130, is fitted in adhesive plaster surface by can stretch external electrode and diaphragm of flexibility.
Can first bonding protective film, then the sticking flexible external electrode that can stretch, also can first sticking flexible can drawStretch external electrode, then bonding protective film. In the present embodiment, describe as an example of first bonding protective film example.
Stand-by at the medical air-permeable adhesive plaster 8 surface label upper protective films 9 of having cut out, wherein 9 points of diaphragmsTwo of left and right. Left part and the medical air-permeable adhesive plaster 8 of a slice diaphragm 9 on the left side fit, its right part not withMedical air-permeable adhesive plaster 8 fits but is only covered on medical air-permeable adhesive plaster 8. In like manner, a slice on the right is protectedThe right part of cuticula 9 and medical air-permeable adhesive plaster 8 fit, its left part do not fit with medical air-permeable adhesive plaster 8 andOnly to be covered on medical air-permeable adhesive plaster 8. Thus, two diaphragms 9 can be in medical air-permeable adhesive plaster 8The overlapping structure of middle formation. Understandable, for the medical air-permeable adhesive plaster 8 of surperficial toughness (having glue),The part that diaphragm 9 is positioned in the middle of medical air-permeable adhesive plaster 8 also may be stuck.
Raise the diaphragm 9 it from the mid portion of medical Breathable adhesive tape 8, by the flexibility external electrode that can stretchStick on the middle part of medical air-permeable adhesive plaster 8, as shown in Figure 5 C. The wherein electrode of the flexible external electrode that can stretchThe exposed part of unit 3 and lead-in wire tie point 5 upward, to realize and being electrically connected of subject's target detection positionConnect.
Adopt the set-up mode of two of about diaphragm, can form the middle flexibility external electrode that can stretchProtection, also can raise when use easily preferably. Understandable, in other embodiments, alsoCan adopt other diaphragm set-up mode, for example, a slice diaphragm is only set.
After above step completes, electrode for medical service pastes has prepared. Shown in Fig. 5 C, this electrode for medical service pastes and comprisesMedical air-permeable adhesive plaster 8, a surface of medical air-permeable adhesive plaster 8 comprises electrode conformable region and diaphragm conformable region. SoftThe one side that property substrate 1 is not provided with insulating barrier 2 fits with electrode conformable region, a part for diaphragm 9 and guarantorCuticula conformable region fits, and another part is covered on electrode assemblie.
In use, diaphragm 9 is raised to the external electrode that can stretch of the flexibility in the middle of exposing. By wire 10Be connected on lead-in wire tie point 5, and be fixed and encapsulate. Subsequently by left and right two on medical air-permeable adhesive plaster 8The diaphragm 9 on limit removes, and the target detection position of body surface attachment of electrodes subject just can stretch flexibilityBe set up. The elbow joint 11 that target detection position in the present embodiment is human body.
Embodiment 2:
Flexibility in embodiment 2 external electrode that can stretch adopts identical structure with embodiment 1, so locateRepeat no more. Fig. 6 is the preparation method's that in embodiment 2, electrode for medical service pastes flow chart, comprises the following steps:
S210, cuts out the flexibility external electrode that can stretch into suitable shape and size.
When processing flexibility can stretch external electrode, need to be at the dimethyl silicone polymer film of electrode assemblie peripheryUpper reserved enough spaces, then (tested according to can stretch shape, size and the target of external electrode of flexibilityPerson) needs of test position, peripheral dimethyl silicone polymer film is cut out to suitable shape and size. Figure7B is the flexibility of Fig. 7 A state of external electrode after being tailored that can stretch. Understandable, in other enforcementIn example, the flexibility external electrode that can stretch can adopt unified specification, is beneficial to industrial batch production manufactureDemand, without cutting out the flexibility external electrode that can stretch, can directly carry out step S220 thus.
S220, at the pressure-sensitive rubber cement of the diaphragm conformable region on electrode assemblie side coating rubber type, and dry.
Using the dimethyl silicone polymer film of electrode assemblie both sides (flexible substrates 1 and insulating barrier 2) as protectionFilm conformable region 12, for the diaphragm 9 of fitting, two of 9 points of left and right of diaphragm. Show in diaphragm conformable region 12The pressure-sensitive rubber cement of face coating rubber type is also dried processing, stand-by.
S230, fits in surface, diaphragm conformable region by diaphragm.
Two diaphragms 9 are fitted in respectively to 12 surfaces, electrode conformable region of a side, diaphragm 9 coated electrodesAssembly but not with the adhesion of electrode assemblie phase. Rubber pressure-sensitive adhesive slurry is used as the bonding with body surface (and diaphragm 9)Agent, understandable, in other embodiments also can with this area known, the bonding that can be used for body surfaceThe pressure-sensitive rubber cement of agent instead of rubber type.
After above step completes, electrode for medical service pastes has prepared. In use, diaphragm 9 is raised,Flexibility in the middle of the exposing external electrode that can stretch. Wire 10 is connected on lead-in wire tie point 5, and consolidatesDetermine and encapsulation. Subsequently the diaphragm 9 of the right and left on medical air-permeable adhesive plaster 8 is removed, just can be by flexibilityThe body surface attachment of electrodes that can stretch is on subject's the target detection position. Target detection position in the present embodimentBe set to the upper arm muscle 13 of human body.
Compared with prior art, the present invention has following beneficial effect:
1) flexibility the present invention relates to external electrode that can stretch has good elastic performance, and at bulletIn the situation of property deformation, still can ensure good conducting, with the external electrode phase of current clinical practiceRatio, can the stretch scope of application of external electrode of above-mentioned flexibility is wider. Not only can be for chest, belly etc.On the less position of relatively flat and motion amplitude, can also be used for the often significantly motion such as elbow, wrist, kneeJoint.
2) flexibility the present invention relates to can stretch external electrode itself dimethyl silicone polymer film andThe medical air-permeable adhesive plaster that in embodiment 1, fixed electrode is used all has good water resistance, therefore above-mentioned doctorAlso possesses preferably water resistance with electrode paste. For subject, live convenient, limited little.
3) flexibility the present invention relates to external electrode that can stretch belongs to dry electrode, without conductive paste, makesUse conveniently, also increased patient's comfort level simultaneously.
4) flexibility the present invention relates to external electrode that can stretch has that volume is little, lightweight, thin thicknessFeature, also have the 2nd in addition) the good water proofing property mentioned of point, can long periods of wear use, be suitable forIn the long term monitoring of some body surface potential information.
5) flexibility the present invention relates to external electrode that can stretch can not cause damage to subject's skinOr pressure, can not cause subject's discomfort.
6) flexibility the present invention relates to external electrode that can stretch can be realized minimum adding to micro-meter scaleWork precision and spatial resolution, the number of electrodes in electrod-array also can increase as required, and does not increaseAdd extra cost of manufacture.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed,But can not therefore be interpreted as the restriction to the scope of the claims of the present invention. It should be pointed out that for this areaThose of ordinary skill, without departing from the inventive concept of the premise, can also make some distortion andImprove, these all belong to protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be with appendedClaim is as the criterion.
Claims (1)
1. the preparation method that electrode for medical service pastes, is characterized in that, described electrode for medical service pastes and comprises that flexibility canStretching external electrode, described method comprises:
The flexibility external electrode that can stretch is provided, and the described flexibility external electrode that can stretch comprises flexible substrates, electrodeUnit, contact conductor, lead-in wire tie point and insulating barrier, described electrode unit, contact conductor and lead-in wire connectThe common composition of some electrode assemblie, described electrode assemblie is located in described flexible substrates, described electrode unit viaContact conductor is connected to lead-in wire tie point, and described electrode unit is used for realizing the described flexibility external electrode that can stretchWith being electrically connected of the target detection position of subject's body surface, described insulating barrier is located in described flexible substrates and is coveredCover described contact conductor, the material of described flexible substrates and insulating barrier is dimethyl silicone polymer; Described flexibilityThe external electrode that can stretch also comprises the diaphragm conformable region that is positioned at electrode assemblie side;
At the pressure-sensitive rubber cement of described diaphragm conformable region surface coating rubber type, and be dried processing;
Diaphragm is fitted in to surface, described diaphragm conformable region; A part for described diaphragm and described protectionFilm conformable region fits, another part cover described electrode assemblie but not with the adhesion of electrode assemblie phase, to describedElectrode assemblie forms protection; Described diaphragm conformable region is positioned at the both sides of described electrode assemblie, described diaphragmBe two, fit in respectively the surface of each diaphragm conformable region.
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| CN201310440100.1A CN103462601B (en) | 2013-09-24 | 2013-09-24 | Electrode for medical service pastes and preparation method thereof |
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| CN201310440100.1A CN103462601B (en) | 2013-09-24 | 2013-09-24 | Electrode for medical service pastes and preparation method thereof |
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| CN103784136B (en) * | 2014-02-25 | 2015-07-01 | 薛运章 | Electrocardiogram precordial lead electrode plate set and preparation method thereof |
| CN104095628A (en) * | 2014-07-04 | 2014-10-15 | 李若斌 | Flexible medical electrode, medical electrode sheet, detecting instrument, treatment instrument and application |
| CN104224170B (en) * | 2014-09-15 | 2016-03-09 | 浙江大学 | A kind of array-type flexible surface myoelectric electrode and preparation method |
| WO2016106647A1 (en) * | 2014-12-31 | 2016-07-07 | 北京大学深圳研究生院 | Affixable body surface electric signal collecting device and mounting method therefor |
| US10022073B2 (en) * | 2015-03-20 | 2018-07-17 | Intel Corproation | Wearable apparatus with a stretch sensor |
| CN105342613A (en) * | 2015-12-02 | 2016-02-24 | 中国科学院半导体研究所 | Flexible electrode for measuring muscle impedance and preparation method thereof |
| TWI565446B (en) * | 2015-12-14 | 2017-01-11 | 準訊生醫股份有限公司 | Long term physiological signal sensing patch |
| CN106236086B (en) * | 2016-08-19 | 2020-02-28 | 京东方科技集团股份有限公司 | Biological electric wave detection device, identification sensor, dry electrode thereof and manufacturing method |
| CN108451523A (en) * | 2017-02-22 | 2018-08-28 | 吴智良 | Rhythm of the heart monitoring device |
| CN107041996A (en) * | 2017-04-26 | 2017-08-15 | 中国科学院力学研究所 | A kind of facial mask and preparation method thereof |
| TWI636770B (en) * | 2017-06-06 | 2018-10-01 | 美商宇心生醫股份有限公司 | Electrocardiogram cable and electrode module |
| CN109044326B (en) * | 2018-06-26 | 2021-07-23 | 中国科学院深圳先进技术研究院 | Printing technology-based fully-flexible dry electrode and preparation method thereof |
| CN112617841A (en) * | 2020-11-19 | 2021-04-09 | 南京医科大学 | Flexible and stretchable self-adhesion body surface electrode and preparation method thereof |
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