CN106560157A - Electrode collecting EEG signal, electrode cap made by same and making technology thereof - Google Patents
Electrode collecting EEG signal, electrode cap made by same and making technology thereof Download PDFInfo
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- CN106560157A CN106560157A CN201510638119.6A CN201510638119A CN106560157A CN 106560157 A CN106560157 A CN 106560157A CN 201510638119 A CN201510638119 A CN 201510638119A CN 106560157 A CN106560157 A CN 106560157A
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Abstract
The invention relates to an electrode collecting EEG signals; the electrode comprises an electrode body; the electrode body is hollow, and the internal diameter of the upper cavity of the hollow portion is bigger than that of the lower cavity of the hollow portion; the periphery on top of the electrode body is provided with a groove; the periphery of a conductive liquid sinking storage device is provided with a conductive liquid sinking storage device cover; the conductive liquid sinking storage device cover is fixed on the groove through a O-shape ring; the periphery on the bottom of the electrode body is provided with a wire slot; a wire is welded in the wire slot; an electrode shield is arranged outside the electrode body; the bottom of the electrode shield is provided with a through hole, wherein the internal diameter of the through hole is same with that of the lower cavity of the hollow portion; the electrode shield and electrode body are fixed by a fixing device; the side edge on the bottom of the electrode shield is provided with a wire hole allowing the wire to pass; the conductive liquid sinking storage device cover is slightly higher than the top edge of the electrode shield. The electrode structure can be improved so as to directly pour conductive liquid into the conductive liquid sinking storage device, thus eliminating discomfort caused by a conventional dry type electrode invading the scalp, and eliminating discomfort caused by a wet type electrode pasted on the patient scalp.
Description
Technical field
The present invention relates to medical instruments field, the electrode and electrode cap and its processing technology made by the electrode of specifically a kind of collection EEG signals..
Background technology
Brain electrical acti is the summation of the postsynaptic potential of cerebral cortex pyramidal cell and its vertical dendron, and play regulatory role to complete by the non-specific core at thalamus center line position.The current potential of neuron is the basis of the physiological activity of central nervous system, therefore can reflect the change of its function and pathology.By accurate electronic machine, a kind of method potential change of brain amplified and recorded from scalp, i.e. electroencephalogram, it is the method for monitoring brain function most sensitive at present.
With the development of Neurology Department in recent years, the use of electroencephalogram is also more and more universal.At present, gathering the conventional electrode of EEG signals has wet type electrode and dry-type electrode.
1st, wet type electrode is referred to.Because having skin penetrant and conductive materials inside pasty electrode cream, the impedance for so reducing skin makes the EEG signals for measuring truer, sensitive.But, when doctor uses pasty state conductive paste, need to be expelled in electrode one by one, can so waste medical worker's time, while pasty state conductive paste can allow patient uncomfortable, check that the cleaning for terminating is also pretty troublesome.2nd, dry-type electrode refers to that acquisition electrode is directly contacted with scalp when EEG signals are gathered.Classical dry-type electrode makes needle-like array, reduces Skin Resistance with press-in or minimally invasive skin method.As acquisition electrode is heavy metal, press-in or the mode for invading can bring pain to patient, and being pierced into horny layer easily makes heavy metal enter skin and blood, causes heavy metal poisoning.If dry-type electrode does not invade skin, because Skin Resistance is higher, the data accuracy of test can be poor.
The drawbacks of both the above electrode has certain.
On the other hand, current electrode cap is commonly weaving face fabric, and first, electrode cap is extremely inconvenient in sewing；Add, electrode cap is difficult to do after being stained with conductive liquid or electrode cream or cleaning, could use after needing to wait weaving face fabric dry, can so affect the efficiency for detecting.3rd, current electrode cap is all cover, is easily perspired during summer patient worn.4th, soaked in a liquid, after taking-up, need a very long time could airing, and after waiting electrode cap to dry, the conductive liquid inside electrode also can part it is impacted.
The content of the invention
According to above-mentioned weak point, it is an object of the invention to provide a kind of comfortable electrode for being used to gather EEG signals easy to detect and thus electrode cap and its processing technology made by electrode, when wearing this electrode cap and carrying out brain electro-detection, as snug as a bug in a rug and conveniently.
For achieving the above object, technical program of the present invention lies in：A kind of electrode for gathering EEG signals，It includes electrode body，Electrode body is hollow form，Internal diameter of the internal diameter of hollow bulb upper end inner chamber more than hollow bulb lower end inner chamber，Hollow bulb upper end inner chamber and conductive liquid device of attracting deposits is engaged，The upper end periphery of electrode body is provided with groove，Groove is parallel with electrode body cross section，Conductive liquid device periphery of attracting deposits is provided with conductive liquid and attracts deposits device cover，Conductive liquid device cover of attracting deposits is fixed on groove location by O-ring，The lower end periphery of electrode body is provided with metallic channel，Metallic channel is parallel with electrode body axis，Metallic channel is welded with wire，Electrode body periphery is provided with electrode hood，Electrode hood bottom is provided with and hollow bulb lower end inner chamber internal diameter identical through hole，Electrode hood is fixed by fixing device with electrode body，Electrode hood bottom side is provided with the wire guide that wire is passed through，Conductive liquid is attracted deposits a little higher than electrode hood top edge of device cover.
Preferably：Described fixing device is bolt or screw, and in described hollow bulb lower end, cavity wall is provided with the screw thread being engaged with fixing device.The screw thread being engaged with cavity wall in hollow bulb lower end by bolt or screw, make electrode cap when and its convenience, it is only necessary to bolt or nut are tightened, and cooperation it is extremely firm.
Preferably：Described electrode hood bottom is provided with the boss that internal diameter is engaged with electrode body bottom external diameter.Conductive liquid is attracted deposits device cover due to electrode body upper end outer wrap, thus, the internal diameter of electrode hood is greater than the internal diameter of electrode body, and electrode body is when being placed in electrode hood bottom, the movement of position can be produced, in order to fixed electrode body is motionless, the boss that internal diameter is engaged with electrode body bottom external diameter is set.
Preferably：Described electrode hood is bell mouth shape.Conductive liquid device cover of attracting deposits can be allowed as far as possible to contact with patient's scalp.
The present invention also provides a kind of using electrode cap made by above-mentioned electrode, the electrode that it is included electrode cap body and is fixed on the inside of electrode cap by fixing device, electrode is according to the world 10/20, 10/10, 10/5 system is arranged, electrode cap is made up of one piece of intermediate mass and two pieces of lateral mass, intermediate mass and lateral mass are network structure, intermediate mass and lateral mass junction are provided with connecting hole, intermediate mass and lateral mass are connected into electrode cap by box and pin by connection hole, the lower end of lateral mass is provided with junction button by box and pin, chin fixing band is provided between two junction buttons, wire is connected with adapter.
Preferably：Wire is provided with by box and pin on the electrode cap collects and buckle.Collect to buckle by wire and wire is collected so that whole electrode cap is in good order, it is to avoid use and cause when receiving the winding of wire.
Preferably：The electrode cap body is elastic nonabsorbent material.After fully immersion conductive liquid, only need to be wiped with napkin or towel, it is possible to start to test, it is both time-consuming, improve the accuracy that efficiency ensures test data again.
The manufacture method that the present invention also provides above-mentioned electrode cap, its making step are as follows：
（1）According to intermediate mass, lateral mass, junction button and the drawing of button is collected, be cut into required form；
（2）Electrode cap is combined into by three-dimensional shape by box and pin；
（3）Conductive liquid device of attracting deposits is positioned over into intracavity in the hollow bulb upper end of electrode body, conductive liquid device cover of attracting deposits conductive liquid is coated on and is attracted deposits and device periphery is fixed on groove location by O-ring, wire is passed through into wire guide, and electrode body is positioned in electrode hood；
（4）Electrode is fixed on the inside of electrode cap according to international 10/20,10/10,10/5 system arranging rule by fixing device；
（5）Junction button is connected with chin fixing band and junction button is fixed on into electrode cap both sides by box and pin；
（6）Wire is connected with adapter.
This manufacture method extremely convenient, changing traditional electrode cap needs the trouble of sewing, while by male and female cooperation, many times have been saved during making.
Preferably：Wire is collected through wire according to adjacencies before wire is connected with adapter in buckleing.
Preferably：Described wire sleeve is in Periostracum Serpentiss net.The winding for avoiding wire, and the effect of protection wire can be played.
The beneficial effects of the present invention is：The present invention is improved by the structure of electrode, conductive liquid can directly be poured into conductive liquid and be attracted deposits in device, and slow releasing agent is mixed with conductive liquid, forms Saline-based electrodes, and doctor need not inject conductive liquid inside each electrode hole.Furthermore, conductive liquid is NaCl aqueous solutions or KCl, CaCl containing slow releasing agent2Mixed aqueous solution, after patient finishes inspection, hair non-greasy.The design of Saline-based electrodes, changes discomfort during conventional dry electrode invasion scalp, while also improving the sense of discomfort that wet type electrode is bonded on patient's scalp.
By the cancellated design of electrode cap, constitute by three-chip type is three-dimensional simultaneously, connected by box and pin, comfort level when wearing is not only improved, meanwhile, make very convenient, elastic nonabsorbent material is easily done, after fully immersion conductive liquid, only need to be wiped with napkin or towel, it is possible to start to test.Both it is time-consuming, improve the accuracy that efficiency ensures test data again.
Furthermore, the processing technology of this electrode cap is very simple, it is only necessary to connects box and pin, eliminates the complicated technology sewed to traditional electrode cap.
Description of the drawings
Fig. 1 is the structural representation of electrode of the present invention.
Fig. 2 is the top view of electrode hood of the present invention.
Fig. 3 is the structural representation of electrode cap intermediate mass of the present invention.
Fig. 4 is the structural representation of electrode cap lateral mass of the present invention.
Fig. 5 is the structural representation of junction button of the present invention.
Fig. 6 is the use state figure one of the present invention.
Fig. 7 is the use state figure two of the present invention.
Wherein, 1-O types circle；2- conductive liquid is attracted deposits device cover；3- conductive liquid is attracted deposits device；4- electrode bodies；5- hollow bulbs upper end inner chamber；6- grooves；7- metallic channels；8- hollow bulbs lower end inner chamber；9- wires；10- electrode hoods；11- boss；12- wire guides；13- through holes；14- fixing devices；15- intermediate mass；16- connecting holes；17- lateral plates；18- junction buttons；19- box and pins；20- chin fixing bands；21- adapters；22- wires are collected to be buckled；23- electrodes；24- Periostracum Serpentiss nets
Specific embodiment
With reference to specific embodiment, the present invention will be further described.
A kind of electrode for gathering EEG signals shown in Fig. 1-5，It includes electrode body 4，Electrode body 4 is hollow form，Internal diameter of the internal diameter of hollow bulb upper end inner chamber 5 more than hollow bulb lower end inner chamber 8，Hollow bulb upper end inner chamber 5 and conductive liquid device 3 of attracting deposits is engaged，The upper end periphery of electrode body 4 is provided with groove 6，Groove 6 is parallel with 4 cross section of electrode body，Conductive liquid 3 periphery of device of attracting deposits is provided with conductive liquid and attracts deposits device cover 2，Conductive liquid device cover 2 of attracting deposits is fixed on 6 position of groove by O-ring 1，The lower end periphery of electrode body 4 is provided with metallic channel 7，Metallic channel 7 is parallel with 4 axis of electrode body，Metallic channel 7 is welded with wire 9，4 periphery of electrode body is provided with electrode hood 10，10 bottom of electrode hood is provided with and 8 internal diameter identical through hole 13 of hollow bulb lower end inner chamber，Electrode hood bottom is provided with the boss that internal diameter is engaged with electrode body bottom external diameter.Electrode hood 10 is fixed by fixing device 14 with electrode body 4, and electrode hood is bell mouth shape.Wherein, fixing device is bolt or screw, and in hollow bulb lower end, cavity wall is provided with the screw thread being engaged with fixing device.10 bottom side of electrode hood is provided with the wire guide 12 that wire 9 is passed through, and conductive liquid is attracted deposits 3 a little higher than electrode hood of device cover, 10 top edge.
The present invention also provides a kind of using electrode cap made by above-mentioned electrode, the electrode 23 that it is included electrode cap body 4 and is fixed on the inside of electrode cap 4 by fixing device 14, electrode 23 is according to the world 10/20, 10/10, 10/5 system is arranged, electrode cap is made up of one piece of intermediate mass 15 and two pieces of lateral mass 17, intermediate mass 15 and lateral mass 17 are network structure, intermediate mass 15 and 17 junction of lateral mass are provided with connecting hole 16, intermediate mass 15 and lateral mass 17 are connected into by electrode cap by box and pin 19 at connecting hole 16, the lower end of lateral mass 17 is provided with junction button 18 by box and pin 19, chin fixing band 20 is provided between two junction buttons 18, wire 9 is connected with adapter 21.Wire is provided with by box and pin 19 on electrode cap collects and buckle 22.Wherein, electrode cap body is elastic nonabsorbent material.
The manufacture method that the present invention also provides above-mentioned electrode cap, its making step are as follows：
（1）The drawing for buckleing 22 is collected according to intermediate mass 15, lateral mass 17, junction button 18 and wire, raw material is cut into by required form by laser fabric cutter；
（2）Electrode cap is combined into by three-dimensional shape by box and pin 19；
（3）Conductive liquid device 3 of attracting deposits is positioned in the hollow bulb upper end inner chamber 5 of electrode body 4, conductive liquid device cover 2 of attracting deposits is coated on conductive liquid and is attracted deposits and 2 periphery of device is fixed on 6 position of groove by O-ring 1, wire 9 is passed through into wire guide 12, and electrode body 4 is positioned in electrode hood 4；
（4）Electrode is fixed on the inside of electrode cap according to international 10/20,10/10,10/5 system arranging rule by fixing device 14；
（5）Junction button 18 is connected with chin fixing band 20 and junction button 18 is fixed on into electrode cap both sides by box and pin 19；
（6）Wire 9 is collected through wire according to adjacencies and is buckled in 22；
（7）Wire 9 is connected with adapter 21.
Electrode cap hollow out be can be seen that from the use state figure of the electrode cap of the present invention shown in Fig. 6-7, it is extremely comfortable during patient worn, meanwhile, wire is collected to be buckled 22 and collects wire 9, and during use, wire 9 in good order, will not wind.Meanwhile, by wire sleeve in Periostracum Serpentiss net.Most of all, conductive liquid is attracted deposits, device cover 2 is close to the scalp of patient, and contact is good.Meanwhile, by wire sleeve in Periostracum Serpentiss net 24.
Claims (10)
1. it is used for gathering the electrode of EEG signals, it is characterised in that：It includes electrode body（4）, described electrode body（4）For hollow form, hollow bulb upper end inner chamber（5）Internal diameter be more than hollow bulb lower end inner chamber（8）Internal diameter, described hollow bulb upper end inner chamber（5）Attract deposits device with conductive liquid（3）It is engaged, the electrode body（4）Upper end periphery be provided with groove（6）, the groove（6）With electrode body（4）Cross section is parallel, and described conductive liquid is attracted deposits device（3）Periphery is provided with conductive liquid and attracts deposits device cover（2）, described conductive liquid attracts deposits device cover（2）By O-ring（1）It is fixed on groove（6）Position, the electrode body（4）Lower end periphery be provided with metallic channel（7）, described metallic channel（7）With electrode body（4）Axis is parallel, described metallic channel（7）It is welded with wire（9）, the electrode body（4）Periphery is provided with electrode hood（10）, electrode hood（10）Bottom is provided with and hollow bulb lower end inner chamber（8）Internal diameter identical through hole（13）, described electrode hood（10）With electrode body（4）By fixing device（14）Fixed, described electrode hood（10）Bottom side is provided with wire（9）The wire guide for passing through（12）, described conductive liquid attracts deposits device cover（2）A little higher than electrode hood（10）Upper end-face edge.
2. the electrode for gathering EEG signals according to claim 1, it is characterised in that：Described fixing device（14）For bolt or screw, described hollow bulb lower end inner chamber（8）Inwall is provided with and fixing device（14）The screw thread being engaged.
3. the electrode for gathering EEG signals according to claim 1, it is characterised in that：Described electrode hood（10）Bottom is provided with internal diameter and electrode body（4）The boss that bottom external diameter is engaged（11）.
4. the electrode for gathering EEG signals according to claim 1, it is characterised in that：Described electrode hood（10）For bell mouth shape.
5., using electrode cap made by the electrode as described in claim 1-4 any one, it includes electrode cap body and by fixing device（14）The electrode being fixed on the inside of electrode cap, described electrode are arranged according to international 10/20,10/10,10/5 system, it is characterised in that：Described electrode cap is by one piece of intermediate mass（15）With two pieces of lateral mass（17）Make, described intermediate mass（15）And lateral mass（17）For network structure, described intermediate mass（15）And lateral mass（17）Junction is provided with connecting hole（16）, connecting hole（16）Place is by box and pin（19）By intermediate mass（15）And lateral mass（17）Connect into electrode cap, the lateral mass（17）Lower end pass through box and pin（19）It is provided with junction button（18）, two junction buttons（18）Between be provided with chin fixing band（20）, described wire（9）With adapter（21）It is connected.
6. electrode cap according to claim 5, it is characterised in that：By box and pin on the electrode cap（19）It is provided with wire and collects and buckles（22）.
7. electrode cap according to claim 5, it is characterised in that：The electrode cap body is elastic nonabsorbent material.
8. the electrode cap as described in claim 5-7 any one is made, it is characterised in that：Making step is as follows：
According to intermediate mass（15）, lateral mass（16）, junction button（18）Collect with wire and buckle（22）Drawing, be cut into required form；
By box and pin（19）Electrode cap is combined into into three-dimensional shape；
Conductive liquid is attracted deposits device（3）It is positioned over the hollow bulb upper end inner chamber of electrode body（5）It is interior, by O-ring（1）Conductive liquid is attracted deposits device cover（2）It is coated on conductive liquid to attract deposits device（3）Groove is simultaneously fixed in periphery（6）Position, by wire（9）Through wire guide（12）, and by electrode body（4）It is positioned over electrode hood（4）It is interior；
Electrode is fixed on the inside of electrode cap according to international 10/20,10/10,10/5 system arranging rule by fixing device；
By junction button（18）With chin fixing band（20）It is connected and by junction button（18）By box and pin（19）It is fixed on electrode cap both sides；
By wire（9）With adapter（21）It is connected.
9. the manufacture method of electrode cap according to claim 1, it is characterised in that：In wire（9）With adapter（21）By wire before connection（9）Collected through wire according to adjacencies and buckled（22）It is interior.
10. the manufacture method of electrode cap according to claim 9, it is characterised in that：Described wire sleeve is in Periostracum Serpentiss net（24）It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510638119.6A CN106560157B (en) | 2015-10-01 | 2015-10-01 | Acquire electrode cap and its manufacture craft made of the electrode and the electrode of EEG signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510638119.6A CN106560157B (en) | 2015-10-01 | 2015-10-01 | Acquire electrode cap and its manufacture craft made of the electrode and the electrode of EEG signals |
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| Publication Number | Publication Date |
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| CN106560157A true CN106560157A (en) | 2017-04-12 |
| CN106560157B CN106560157B (en) | 2019-09-03 |
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| CN201510638119.6A Active CN106560157B (en) | 2015-10-01 | 2015-10-01 | Acquire electrode cap and its manufacture craft made of the electrode and the electrode of EEG signals |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108903941A (en) * | 2018-05-18 | 2018-11-30 | 南京航空航天大学 | A kind of portable bracelet for electrical impedance detection |
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| US6574513B1 (en) * | 2000-10-03 | 2003-06-03 | Brainmaster Technologies, Inc. | EEG electrode assemblies |
| US7551952B2 (en) * | 2005-10-26 | 2009-06-23 | Sam Technology, Inc. | EEG electrode headset |
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