CN108542382A - A kind of brain electricity cap electrode electrolyte is from supplementary device - Google Patents
A kind of brain electricity cap electrode electrolyte is from supplementary device Download PDFInfo
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- CN108542382A CN108542382A CN201810037450.6A CN201810037450A CN108542382A CN 108542382 A CN108542382 A CN 108542382A CN 201810037450 A CN201810037450 A CN 201810037450A CN 108542382 A CN108542382 A CN 108542382A
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- electrolyte
- electrode
- liquid capsule
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- supplementary device
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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
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/369—Electroencephalography [EEG]
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- Heart & Thoracic Surgery (AREA)
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- Engineering & Computer Science (AREA)
- Psychiatry (AREA)
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- Medical Informatics (AREA)
- Molecular Biology (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Electrotherapy Devices (AREA)
Abstract
The invention discloses a kind of brain electricity cap electrode electrolyte from supplementary device, and the electrolyte is divided into two parts from supplementary device, and first part is single electrode electrolyte from supplementary device, including multi-lead wet electrode brain wave acquisition cap, several electrolyte liquid capsules, plastic tube, cotton core.Second part is the device of single liquid capsule liquid feeding, including electrolyte bottle, plastic tube, speed idler wheel.The present invention makes electrolyte be introduced into the sponge of electrode from liquid capsule automatically by capillary principle, is reached for the effect of electrode supplement electrolyte, solves the problems, such as that brain wave acquisition experiment caused by being volatilized due to electrolyte can not be carried out for a long time.It when duration of experiment is longer, can in addition increase as the device of single liquid capsule liquid feeding, achieve the purpose that continually to supplement electrolyte.The patent structure is simple, easy to use, has very high promotional value for wet electrode brain electricity cap.
Description
Technical field
This patent belongs to the correlative technology field of electricity physiological signal acquisition, and in particular to a kind of brain electricity cap electrode electrolyte from
Supplementary device.
Background technology
Electrode is fixed on scalp and close position using elastic network(s) cap and passes through for acquiring the brain electricity caps of EEG signals
Conducting wire is by electric signal transmission to signal amplifier.In order to make to form electrical contact that is good and stablizing between electrode and scalp, need
Sponge is soaked using electrolyte and is placed between electrode and scalp, it is generally the case that the position of sponge and electrode is fixed, in brain
After electric cap is worn correctly, electrolyte is injected into sponge one by one, until the impedance of electrode and scalp surface becomes smaller.Electrode and head
The electrolyte content of sponge is negatively correlated in the impedance value and electrode in epidermis face, to influence the quality of acquired EEG signals.
However in brain wave acquisition experiment, electrolyte is readily volatilized, especially the higher top area of scalp temperature volatilize faster, because
This regulation will add once electrolytic liquid manually per half an hour.Interrupt experiments, operating personnel are needed to utilize plastic dropper when liquid feeding
Electrolyte is squeezed into the sponge in electrode.
This operation of addition electrolyte manually has the disadvantage that：
1) it takes, the brain electricity cap electrode quantity the more more expend the time；
2) interrupt experiments influence the continuity of experiment；
3) every section of experiment latter stage quality of data is poor, and the second half section of every section of experiment causes impedance to increase since electrolyte volatilization is big
Greatly, to influence the quality of data of acquisition；
4) qualification of operating personnel influences the comfort of subject, and new hand is difficult to control the amount for squeezing into electrolyte every time,
Squeezing into can flow down too much along the scalp of subject, increase sense of discomfort.
Solution to this problem is to supplement electrolyte to electrode automatically.It gives on each electrode and fixes a liquid capsule,
It allows the liquid in capsule to be automatically introduced into the sponge contacted with scalp, achievees the purpose that automatic electrolyte.
Invention content
It is an object of the invention to overcome the experimental implementation that supplement electrolyte is brought manually cumbersome, time-consuming, latter end brain electricity number
The problems such as declining according to quality provides a kind of brain electricity cap electrode electrolyte from compensation process.The purpose of the present invention passes through skill below
Art scheme is realized：
A part according to the present invention provides a kind of electrolyte of single electrode from supplementary device, including multi-lead
Wet electrode brain wave acquisition cap, several electrolyte liquid capsules, plastic tube, cotton core.It is transparent in each electrode back installation one respectively
Liquid capsule injects electrolyte in capsule, is fixed liquid capsule and electrode with plastics fastener, and one section of plastic catheter is stretched out in each liquid capsule bottom,
The conduit other end is inserted into the water-absorbing sponge of electrode front, water absorbent cotton core is inserted into conduit, electrolyte is drawn by capillary principle
Enter in sponge, is reached for the effect of single electrode supplement electrolyte.
Another part according to the present invention is the device of single liquid capsule liquid feeding, including electrolyte bottle, plastic tube, speed
Idler wheel.When brain wave acquisition experimental period is longer, 3ml only deposited in liquid capsule or so electrolyte cannot be satisfied prolonged experiment and want
It asks, it is therefore desirable to add the device that second part is single liquid capsule liquid feeding.It is single liquid capsule to utilize transfusion bottle principle in the present invention
Liquid feeding hangs upside down electrolyte bottle on holder, is allowed to be located at brain electricity cap back upper place, speed is carried on the plastic tube that electrolyte bottle stretches out
Degree adjusts idler wheel, and several sections of plastic tube branches are inserted into sealing part above liquid capsule, are reached for the purpose of single liquid capsule liquid feeding respectively.
Description of the drawings
Fig. 1 is the electrolyte of single electrode in the present invention from supplementary device structural schematic diagram；
Fig. 2 is in the present invention be single liquid capsule liquid feeding apparatus structure schematic diagram.
Specific implementation mode
With reference to specific embodiment and attached drawing, the present invention is described in further detail.
The present invention proposes a kind of brain electricity cap electrode electrolyte from supplementary device.By single electrode electrolyte from supplementary device
With the device composition for single electrode liquid capsule liquid feeding.The electrolyte of single electrode from supplementary device be by electrode back add
One liquid capsule gives electrode liquid feeding through capillary action by cotton core.As shown in Figure 1, including electrode back 1, fastener 2, liquid capsule 3, electricity
Solve liquid 4, plastic tube 5, cotton core 6, sponge 7, electrode shell 8.The liquid capsule 2 of a 1.5*2cm is installed at electrode back 1, is noted in capsule
Enter electrolyte 4.Liquid capsule and electrode are fixed with plastics fastener 2, one section of plastic catheter 5 is stretched out in liquid capsule bottom, will be led with hot melt adhesive
Pipe is sealed with liquid capsule, and catheter tip is inserted into the positive electrode shell of electrode 8, and the cotton core that an internal diameter is slightly less than to conduit is inserted into
In conduit, one end of cotton core is stretched into liquid capsule to be stretched out conduit and is contacted with sponge 7 with electrolyte contacts, the other end, and electrolyte can be with
It by the hole of cotton core, is infiltrated through in sponge with capillarity, constantly soaks sponge, electrode is kept to be contacted with the good of scalp.
The device of single liquid capsule liquid feeding is as shown in Fig. 2, one section of plastic catheter 4 of sealing part stretching is used in combination above each liquid capsule
Hot melt adhesive is sealed, and catheter tip connects electrolyte bottle 1, and electrolyte bottle is hung upside down on holder, is allowed to be located at brain electricity cap back upper place,
In plastic catheter idler wheel 3 is adjusted with speed.
Experiment is formal start before, the electrolyte bottle for filling electrolyte hung over to be higher by be suspended on together with conduit and liquid capsule
In the air, speed adjusting idler wheel is adjusted to maximum, until the liquid level of each liquid capsule rises at liquid capsule 2/3, turns speed down later
Idler wheel.After brain electricity cap is worn on subject head, liquid capsule is mounted on each electrode back, the electrolyte in each liquid capsule exists
While supplementing each self-electrode, transfusion bottle is also being endlessly that each liquid capsule supplements electrolyte, makes the experiment of brain electricity can be continuous
Several hours are carried out without interrupting.
The above is only a specific embodiment of the present invention, is not intended to restrict the invention, all essences in the present invention
Any modification, equivalent substitution, improvement and etc. done within refreshing and principle, are all included in the scope of protection of the present invention.
Claims (4)
1. a kind of brain electricity cap electrode electrolyte is from supplementary device comprising：A kind of electrolyte of single electrode from supplementary device with
For the device of single liquid capsule liquid feeding, by electrolyte liquid capsule, plastic tube, cotton core, electrolyte bottle, plastic tube, speed idler wheel constitutes.
2. conduit according to claim 1 and cotton core, which is characterized in that conduit is inserted into electrode, and cotton core length is more than
Conduit is directly contacted with sponge.
3. speed idler wheel according to claim 1, which is characterized in that electrolyte flow rate can be adjusted according to experimental situation
Speed.It needs to tune up flow velocity in the higher indoor or outdoors of temperature, the interior of proper temperature can turn flow velocity down.
4. electrode and electrolyte liquor according to claim 1 is from supplementary device, which is characterized in that in the first half of brain electro-detection experiment
Electrolyte bottle is filled electrolyte by a hour, so that conduit is suspended in midair in the air with liquid capsule, is adjusted idler wheel first, is kept flow velocity maximum, is made
After the liquid level of liquid capsule rises at about 2/3, flow velocity is turned down.After brain electricity cap is correctly worn on subject head, respectively by liquid capsule
It is fixed on each electrode back side, conduit and cotton core are inserted into the sponge in electrode, wait for that cotton core is infiltrated by electrolyte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810037450.6A CN108542382A (en) | 2018-01-15 | 2018-01-15 | A kind of brain electricity cap electrode electrolyte is from supplementary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810037450.6A CN108542382A (en) | 2018-01-15 | 2018-01-15 | A kind of brain electricity cap electrode electrolyte is from supplementary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108542382A true CN108542382A (en) | 2018-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810037450.6A Withdrawn CN108542382A (en) | 2018-01-15 | 2018-01-15 | A kind of brain electricity cap electrode electrolyte is from supplementary device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108542382A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113456080A (en) * | 2021-05-25 | 2021-10-01 | 北京机械设备研究所 | Dry-wet universal sensing electrode and application method thereof |
-
2018
- 2018-01-15 CN CN201810037450.6A patent/CN108542382A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113456080A (en) * | 2021-05-25 | 2021-10-01 | 北京机械设备研究所 | Dry-wet universal sensing electrode and application method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180918 |
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| WW01 | Invention patent application withdrawn after publication |