CN107007280A - A kind of ultra micro scalp electrode array - Google Patents
A kind of ultra micro scalp electrode array Download PDFInfo
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- CN107007280A CN107007280A CN201710301308.3A CN201710301308A CN107007280A CN 107007280 A CN107007280 A CN 107007280A CN 201710301308 A CN201710301308 A CN 201710301308A CN 107007280 A CN107007280 A CN 107007280A
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- ultra micro
- electrode
- micro scalp
- scalp electrode
- electrode array
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/291—Bioelectric electrodes therefor specially adapted for particular uses for electroencephalography [EEG]
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- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The present invention relates to a kind of ultra micro scalp electrode array, its technical characterstic is：One group of ultra micro scalp electrode by ultra micro scalp electrode array module and in ultra micro scalp electrode array module is constituted；Ultra micro scalp electrode includes ultra micro scalp electrode head, ultra micro scalp electrode body portion, ultra micro scalp electrode afterbody, electrode wires and spring, ultra micro scalp electrode head, ultra micro scalp electrode body portion, ultra micro scalp electrode afterbody, electrode wires, which are sequentially connected, to be connect, the electrode wires other end, which passes through ultra micro scalp electrode array module surface and is connected with upper equipment, realizes signal transfer function, electrode storehouse is provided with inside ultra micro scalp electrode array module, ultra micro scalp electrode afterbody and spring install electrode storehouse, communicated in electrode storehouse lower end provided with electrode sliding eye and with outside ultra micro scalp electrode array module.Number of electrodes and density of the invention is very high and ultra micro scalp electrode uses full design of Electromagnetic Shielding, can non-invasively obtain clearly EEG signals, its installation is rapid, easy to use.
Description
Technical field
The invention belongs to electromagnetic technique and Electrophysiology technical field, especially a kind of ultra micro scalp electrode array.
Background technology
People's brain computer interfaces have become the widely studied problem of world wide, how simply and effectively to obtain high-precision
Degree, real-time people's EEG signals turn into one of important content of research.The accurate method for obtaining people's EEG signals is usual at present
To be invasive, microelectrode array, this side are sticked or are implanted into a certain region of brain cortex surface such as by way of operation
Fado is at the experimental stage, and people's brain surgery has risk, it is difficult to be accepted and promote.Scalp is installed in scalp surface
Electrode is widely used in medical examination and medical experiment by people to obtain the method for EEG signals, but current scalp is electric
The problems such as pole generally existing volume is larger, structural material is single, installation method is cumbersome, effectiveness is not good enough, and can be
The number of electrodes and density that scalp surface is installed are relatively low, it is impossible to obtain finer electrical brain signals.
The content of the invention
It is high, easy to install and noninvasive it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of precision
The ultra micro scalp electrode array of property.
The present invention solves its technical problem and takes following technical scheme to realize：
A kind of ultra micro scalp electrode array, ultra micro scalp electrode battle array is arranged on by ultra micro scalp electrode array module and main body
One group of ultra micro scalp electrode in row module is constituted；The ultra micro scalp electrode includes ultra micro scalp electrode head, ultra micro scalp
Electrode body portion, ultra micro scalp electrode afterbody, electrode wires and spring, the ultra micro scalp electrode body portion are arranged on ultra micro scalp electrode
On head, described ultra micro scalp electrode afterbody one end is connected with ultra micro scalp electrode body portion and ultra micro scalp electrode afterbody is another
End is connected with electrode wires, and described electrode wires one end is connected with ultra micro scalp electrode afterbody, and the electrode wires other end passes through ultra micro scalp
Electrod-array Modular surface is simultaneously connected with upper equipment and realizes signal transfer function, and the spring is arranged on ultra micro scalp electrode tail
Above portion；Electrode storehouse is provided with inside ultra micro scalp electrode array module, the ultra micro scalp electrode afterbody and spring install electricity
It can move up and down, communicated in electrode storehouse lower end provided with electrode sliding eye and with outside ultra micro scalp electrode array module in the storehouse of pole
To support and the effect of guiding ultra micro scalp electrode body portion.
The ultra micro scalp electrode array module is made up of hard insulation, on ultra micro scalp electrode array module surface
Provided with coating for EMI shielding.
The ultra micro scalp electrode head, ultra micro scalp electrode body portion, ultra micro scalp electrode afterbody and electrode wires are by silver
Material or copper product are made.
The ultra micro scalp electrode array module is square or cylinder.
The ultra micro scalp electrode head is hemispherical, surface covering graphene or platinum material.
The ultra micro scalp electrode body portion is in elongated cylindrical and surface is coated with insulating coating, and slope is coated with outside insulating coating
The coating for EMI shielding that material such as alloy or aluminium, tin is not constituted.
The ultra micro scalp electrode afterbody is in short cylindrical shape, and diameter is more than ultra micro scalp electrode head and ultra micro scalp electrode
Body portion.
The electrode wires outer wrap electro-insulating rubber and electro-magnetic screen layer.
The inwall in the electrode storehouse is in cylinder, and diameter is slightly larger than ultra micro scalp electrode tail diameter, and the electrode is slided
The inwall in hole is slightly larger than ultra micro scalp electrode body portion diameter in cylinder, diameter.
Each electrode wires of one group of ultra micro scalp electrode are connected with upper equipment respectively, or one group of ultra micro scalp
It is connected jointly with upper equipment after each electrode wires connection of electrode.
Advantages and positive effects of the present invention are：
Ultra micro scalp electrode is inlaid in ultra micro scalp electrode array module by the present invention, and its volume is small and can be in unit
Extremely intensive array is constituted on area, therefore, its number of electrodes and density are very high；And ultra micro scalp electrode is using full electricity
Magnetic Shield designs, can non-invasively obtain extremely fine, clearly EEG signals, it is installed and using rapid, simple, is easy to life
Production and maintenance.It the composite can be widely applied to the consumer electricity such as clinical medicine inspection, medical rehabilitation, medical research and artificial intelligence
Subdomains.
Brief description of the drawings
Fig. 1 is profile of the invention；
Fig. 2 is the 3 dimensional drawing of the ultra micro scalp electrode of the present invention；
Fig. 3 is the first three-dimensional perspective of the invention；
The part sectioned view that Fig. 4 contacts for the present invention with scalp；
Fig. 5 is second of three-dimensional perspective and stereogram of the invention.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with accompanying drawing：
A kind of ultra micro scalp electrode array, as shown in figure 1, being arranged on super by ultra micro scalp electrode array module 2 and main body
One group of ultra micro scalp electrode 1 in micro- scalp electrode array module is constituted.What the ultra micro scalp electrode main body was expanded in afterbody
Elongated cylindrical, is made up of metal materials such as silver with good conductivity, copper.The ultra micro scalp electrode array module is exhausted by hard
Edge material etc. is constituted, can be for cube, cylinder or according to the special shape of actual application environment, and inside can accommodate one or many
Individual ultra micro scalp electrode and composition array.
As shown in Figure 1 to Figure 3, ultra micro scalp electrode includes ultra micro scalp electrode head 1-1, ultra micro scalp electrode body portion 1-
2nd, ultra micro scalp electrode afterbody 1-3, electrode wires 1-4 and spring 1-5.The ultra micro scalp electrode head is contacted with scalp, in half
Spherical, surface covers the materials such as graphene with good conductivity or platinum, increases the electric conductivity that is contacted with scalp tissue and to people
The compatibility of body tissue.Ultra micro scalp electrode body portion is in elongated cylindrical and surface is coated with insulating coating, is plated outside insulating coating
Between the coating for EMI shielding being made up of the material such as permalloy or aluminium, tin, interference and the electrode for shielding external electromagnetic ripple
Mutual interference.Ultra micro scalp electrode afterbody is in short cylindrical shape, and diameter is more than ultra micro scalp electrode head and ultra micro scalp electrode
Body portion, its lower end is connected with ultra micro scalp electrode body portion and upper end is connected with electrode wires.The electrode wires are that electric conductivity is good
Material, outer wrap electro-insulating rubber and the electro-magnetic screen layer such as silver, copper, electrode wires one end is connected with ultra micro scalp electrode afterbody,
The electrode wires other end, which passes through ultra micro scalp electrode array module surface and is connected with upper equipment, realizes signal transfer function.It is described
Spring is arranged on ultra micro scalp electrode upper rear, and when ultra micro scalp electrode stress is moved up, spring is compressed, and works as stress
During releasing, ultra micro scalp electrode returns to original position under the action of the spring.
As shown in Figure 1, Figure 3, electrode storehouse 2-1, the lower end system in electrode storehouse are provided with inside ultra micro scalp electrode array module
There is electrode sliding eye 2-2, coating for EMI shielding 2-3 is provided with ultra micro scalp electrode array module surface.Electrode storehouse inwall
In cylinder, diameter is slightly larger than ultra micro scalp electrode tail diameter, and ultra micro scalp electrode afterbody can be moved up and down in electrode storehouse,
Spring is located at the ultra micro scalp electrode afterbody top in electrode storehouse.The electrode sliding eye inwall is slightly larger than in cylinder, diameter
Ultra micro scalp electrode body portion diameter, electrode sliding eye top is connected with electrode storehouse, electrode sliding eye bottom and ultra micro scalp electricity
Communicated outside the array module of pole；Ultra micro scalp electrode body portion can be moved up and down along electrode sliding eye, and electrode sliding eye is to ultra micro head
Play support and guide effect in skin electrode body portion.The coating for EMI shielding on ultra micro scalp electrode array module surface, for shielding
The interference of external electromagnetic ripple.
The present invention operation principle as shown in figure 4, ultra micro scalp electrode array module decline when, due to ultra micro scalp electrode
Head is tiny, body portion is elongated, the scalp surface so ultra micro scalp electrode head can go directly through scalp surface hair.Work as ultra micro
When scalp electrode head is in contact with scalp A, under the upward resistance of scalp, ultra micro scalp electrode and ultra micro scalp electrode battle array
Row module produces relative motion, and spring is compressed, and because head part is circle, scalp surface has radian, and scalp surface hair
Capsule, grease etc. make scalp surface be uneven, and different ultra micro scalp electrodes are relative with electrod-array module in electrod-array module
The amplitude of motion is different, under the action of the spring, and each ultra micro scalp electrode head is in close contact with scalp surface
Protect, so both ensure that adaptation of each ultra micro scalp electrode to scalp surface radian and injustice, while also ensure that each super
Micro- scalp electrode and the good electric conductivity of scalp.Although each ultra micro scalp electrode head and the equal very little of scalp contact area,
Ultra micro scalp electrode can be averraged due to constituting array by multiple ultra micro scalp electrodes in ultra micro scalp electrode array module
The bright pressure of array enemy's epidermis, and spring has also buffered the bright impact of the correct epidermis in ultra micro scalp electrode head, so just not
Damage and sense of discomfort can be produced to scalp surface.
As shown in figure 5, in some application environments, multiple ultra micro scalp electrodes are constituted into array and the electrode wires by them
Another ultra micro scalp electrode array of the composition that links together, the ultra micro scalp electrode array can imitate traditional single scalp
Electrode realizes eeg signal acquisition function.
It is emphasized that embodiment of the present invention is illustrative, rather than it is limited, therefore present invention bag
Include and be not limited to embodiment described in embodiment, it is every by those skilled in the art's technique according to the invention scheme
The other embodiment drawn, also belongs to the scope of protection of the invention.
Claims (10)
1. a kind of ultra micro scalp electrode array, it is characterised in that：Ultra micro is arranged on by ultra micro scalp electrode array module and main body
One group of ultra micro scalp electrode in scalp electrode array module is constituted；The ultra micro scalp electrode includes ultra micro scalp electrode head
Portion, ultra micro scalp electrode body portion, ultra micro scalp electrode afterbody, electrode wires and spring, the ultra micro scalp electrode body portion is arranged on
On ultra micro scalp electrode head, described ultra micro scalp electrode afterbody one end is connected and ultra micro scalp with ultra micro scalp electrode body portion
The electrode afterbody other end is connected with electrode wires, and described electrode wires one end is connected with ultra micro scalp electrode afterbody, the electrode wires other end
It is connected through ultra micro scalp electrode array module surface and with upper equipment and realizes signal transfer function, the spring is arranged on super
Micro- scalp electrode upper rear；Electrode storehouse, the ultra micro scalp electrode afterbody are provided with inside ultra micro scalp electrode array module
And spring is installed and can moved up and down in electrode storehouse, electrode storehouse lower end provided with electrode sliding eye and with ultra micro scalp electrode array mould
Communicated outside block and play support and the effect of guiding ultra micro scalp electrode body portion.
2. a kind of ultra micro scalp electrode array according to claim 1, it is characterised in that：The ultra micro scalp electrode array
Module is made up of hard insulation, and coating for EMI shielding is provided with ultra micro scalp electrode array module surface.
3. a kind of ultra micro scalp electrode array according to claim 1, it is characterised in that：The ultra micro scalp electrode head
Portion, ultra micro scalp electrode body portion, ultra micro scalp electrode afterbody and electrode wires are made by ag material or copper product.
4. a kind of ultra micro scalp electrode array according to claim 1 or 2 or 3, it is characterised in that：The ultra micro scalp electricity
Pole array module is square or cylinder.
5. a kind of ultra micro scalp electrode array according to claim 1 or 2 or 3, it is characterised in that：The ultra micro scalp electricity
Cartridge portion is hemispherical, surface covering graphene or platinum material.
6. a kind of ultra micro scalp electrode array according to claim 1 or 2 or 3, it is characterised in that：The ultra micro scalp electricity
Polar body portion is in elongated cylindrical and surface is coated with insulating coating, and the material group such as permalloy or aluminium, tin is coated with outside insulating coating
Into coating for EMI shielding.
7. a kind of ultra micro scalp electrode array according to claim 1 or 2 or 3, it is characterised in that：The ultra micro scalp electricity
Pole afterbody is in short cylindrical shape, and diameter is more than ultra micro scalp electrode head and ultra micro scalp electrode body portion.
8. a kind of ultra micro scalp electrode array according to claim 1 or 2 or 3, it is characterised in that：Outside the electrode wires
Wrap up electro-insulating rubber and electro-magnetic screen layer.
9. a kind of ultra micro scalp electrode array according to claim 1 or 2 or 3, it is characterised in that：The electrode storehouse it is interior
Wall is in cylinder, and diameter is slightly larger than ultra micro scalp electrode tail diameter, and the inwall of the electrode sliding eye is in cylinder, and diameter is omited
More than ultra micro scalp electrode body portion diameter.
10. a kind of ultra micro scalp electrode array according to claim 1 or 2 or 3, it is characterised in that：One group of ultra micro
Each electrode wires of scalp electrode are connected with upper equipment respectively, or each electrode wires of one group of ultra micro scalp electrode are connected
It is connected jointly with upper equipment afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710301308.3A CN107007280A (en) | 2017-05-02 | 2017-05-02 | A kind of ultra micro scalp electrode array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710301308.3A CN107007280A (en) | 2017-05-02 | 2017-05-02 | A kind of ultra micro scalp electrode array |
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| Publication Number | Publication Date |
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| CN107007280A true CN107007280A (en) | 2017-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710301308.3A Pending CN107007280A (en) | 2017-05-02 | 2017-05-02 | A kind of ultra micro scalp electrode array |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107583193A (en) * | 2017-08-15 | 2018-01-16 | 上海诺诚电气股份有限公司 | Brain electromassage head assembly |
| CN107596548A (en) * | 2017-08-15 | 2018-01-19 | 上海诺诚电气股份有限公司 | Brain vibrator |
| CN109875555A (en) * | 2019-03-05 | 2019-06-14 | 浙江中医药大学 | A kind of Noninvasive electroencephalogramrecording recording electrode and preparation method thereof |
| CN110384497A (en) * | 2019-08-07 | 2019-10-29 | 龙岩学院 | A kind of monitoring device assisting epilepsy surgery |
| CN111248905A (en) * | 2020-01-17 | 2020-06-09 | 中国人民解放军军事科学院军事医学研究院 | Brain electrode |
| WO2020258532A1 (en) * | 2019-06-25 | 2020-12-30 | 中国科学院深圳先进技术研究院 | Stepping detection apparatus and system |
| CN115153564A (en) * | 2022-08-01 | 2022-10-11 | 天津大学 | Non-invasive ultrahigh-density electroencephalogram acquisition electrode |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107583193A (en) * | 2017-08-15 | 2018-01-16 | 上海诺诚电气股份有限公司 | Brain electromassage head assembly |
| CN107596548A (en) * | 2017-08-15 | 2018-01-19 | 上海诺诚电气股份有限公司 | Brain vibrator |
| CN109875555A (en) * | 2019-03-05 | 2019-06-14 | 浙江中医药大学 | A kind of Noninvasive electroencephalogramrecording recording electrode and preparation method thereof |
| WO2020258532A1 (en) * | 2019-06-25 | 2020-12-30 | 中国科学院深圳先进技术研究院 | Stepping detection apparatus and system |
| CN110384497A (en) * | 2019-08-07 | 2019-10-29 | 龙岩学院 | A kind of monitoring device assisting epilepsy surgery |
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| CN115153564A (en) * | 2022-08-01 | 2022-10-11 | 天津大学 | Non-invasive ultrahigh-density electroencephalogram acquisition electrode |
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