CN204158383U - A kind of electrode utilizing semipermeable membrane to gather bioelectrical signals - Google Patents
A kind of electrode utilizing semipermeable membrane to gather bioelectrical signals Download PDFInfo
- Publication number
- CN204158383U CN204158383U CN201420562271.1U CN201420562271U CN204158383U CN 204158383 U CN204158383 U CN 204158383U CN 201420562271 U CN201420562271 U CN 201420562271U CN 204158383 U CN204158383 U CN 204158383U
- Authority
- CN
- China
- Prior art keywords
- electrode
- semipermeable membrane
- conductive paste
- bioelectrical signals
- wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 36
- 229910021607 Silver chloride Inorganic materials 0.000 claims description 6
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 claims description 6
- 238000005342 ion exchange Methods 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 239000007772 electrode material Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract description 2
- 239000000017 hydrogel Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 229920002521 macromolecule Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000028161 membrane depolarization Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Landscapes
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
This utility model relates to medical instruments field, specifically be that a kind of semipermeable membrane that utilizes gathers the electrode of bioelectrical signals, it comprises electrode, conductive paste, semipermeable membrane, wire, support ring.Wire bonds, on electrode, uses support ring support electrode, with semipermeable membrane by conductive paste, and electrode and wire embedding.This utility model also provides a kind of assembly method utilizing semipermeable membrane to gather the electrode of bioelectrical signals.The beneficial effects of the utility model are: 1, easy to use, do not need to use conductive paste or conductive liquid.2, after patient finishes inspection, do not need to clean skin.3, service time is long.4, there is the stabilate signal of telecommunication fast.
Description
Technical field
The present invention relates to medical instruments field, specifically a kind of electrode utilizing semipermeable membrane to gather bioelectrical signals.
Background technology
In order to reduce the contact impedance between electrode and skin, obtaining high-quality bioelectrical signals, when acquired signal, needing to use conductive paste or conductive liquid.
But have following two inconveniences when using conductive paste:
1, doctor places electrode on request, then smears conductive paste or conductive liquid at each electrode surface, wastes the time of medical personnel like this.
2, after patient or experimenter finish EEG (electrocardiogram) examination or Electrocardioscopy or biofeedback therapy, skin is stained with thick liquid.Patient or experimenter can feel like a hen on a hot girdle.
Summary of the invention
According to above-mentioned weak point, object of the present invention provides a kind of electrode of convenient, fast collection bioelectrical signals.
For achieving the above object, technical scheme of the present invention is: it comprises electrode, conductive paste, semipermeable membrane, wire, support ring.Wire bonds, on electrode, uses support ring support electrode, with semipermeable membrane by conductive paste, and electrode and wire embedding, and fix with retainer ring.
Preferably: electrode material is silver, stannum, gold, plating silver chloride or sinters silver-colored silver chloride
Preferably: conductive paste is macromolecule hydrogel.
Preferably: conductive paste is macromolecule hydrogel and conductive paste is hydrophilic material.
Preferably: in hydrogel, have a large amount of freely movable ion.
Preferably: hydrogel and electrode have good compatibility, can not corrosion electrode.Preferably: when gathering bioelectrical signals, do not need to use conductive paste or conductive liquid.
Preferably: the impermeable conductive paste of semipermeable membrane, but have enough large hole to allow ion exchange.
Preferably: in semipermeable membrane, the ion of conductive paste can freely by semipermeable membrane and skin free exchange.
Present invention also offers the assembly method utilizing semipermeable membrane to gather the unit of bioelectrical signals, its step is as follows:
(1), designing mould, die trial as required;
(2), electrode together with wire bonds, be placed on inside the mould that designs, elastic polymer material is placed on the shell being injection molded in mould and utilizing semipermeable membrane to gather the unit of bioelectrical signals;
(3), conductive paste is put into the shell of the dry-type electrode of injection formed;
(4), with semipermeable membrane, electrode, conductive paste and wire are potted in together.
Beneficial effect of the present invention is:
1, easy to use, do not need to use conductive paste.Compared with traditional wet electrode (using the electrode of conductive paste), this utilizes semipermeable membrane to gather electrode of bioelectrical signals does not need to use conductive paste, eliminates loaded down with trivial details toward electrode injection conductive paste of medical personnel.
2, patient does not need after finishing inspection to clean skin.After patient or experimenter finish electroencephalogram, Electrocardioscopy or biofeedback therapy, skin can not be stained with thick liquid.
3, service time is long.The semipermeable membrane embedding of this electrode, can use for a long time, does not need to change conductive paste.
4, there is stable EEG signals fast.Electrode is immersed in inside conductive paste always, and electrode, without depolarization, after electrode is fixing, occurs bioelectrical signals immediately.
Accompanying drawing explanation
Fig. 1 structural representation of the present invention.
Fig. 2 top view of the present invention.
The brain wave patterns figure that Fig. 3 uses the unit utilizing semipermeable membrane to gather bioelectrical signals to measure.
In figure, 1-electrode, 2-conductive paste, 3-semipermeable membrane, 4-wire, 5-support ring.
Specific embodiments
Below in conjunction with specific embodiment, the present invention will be further described.
As shown in Figure 1: a kind of semipermeable membrane that utilizes gathers the unit of bioelectrical signals, it is characterized in that: it comprises electrode (1), conductive paste (2), conductive paste are hydrophilic hydrogel, and have the ion moved freely in a large number.The molecular cut off of semipermeable membrane (3), semipermeable membrane is between 8000 ~ 14000, the impermeable conductive paste of semipermeable membrane, but there is enough large hole to allow ion exchange, wire (4), support ring (5), wire (4) is welded on electrode (1), if the material of electrode is plating silver chloride or the silver-colored silver chloride of sintering, with filamentary silver from lead-out wire inside electrode, be then welded on silver-colored line.With support ring support electrode (1), with semipermeable membrane (3) by conductive paste (2), electrode (1) and wire (4) embedding.
The present invention also provides a kind of assembly method utilizing semipermeable membrane to gather the unit of bioelectrical signals, and its step is as follows:
(1), designing mould, die trial as required;
(2), electrode together with wire bonds, be placed on inside the mould that designs, elastic polymer material is placed on the shell being injection molded into semipermeable membrane dry type soft electrode in mould;
(3), conductive paste is put into the shell of the dry type soft electrode of injection formed;
(4), with semipermeable membrane, electrode, conductive paste and wire are potted in together;
The ScanLt amplifier that this experiment uses Compumedics company to produce, the EEG signals of test as shown in Figure 3.
Claims (4)
1. utilize semipermeable membrane to gather an electrode for bioelectrical signals, it is characterized in that: it comprises electrode (1), conductive paste (2), semipermeable membrane (3), wire (4), support ring (5); Wire (4) is welded on electrode (1), with support ring support electrode (1), with semipermeable membrane (3) by conductive paste (2), and electrode (1) and wire (4) embedding.
2., according to a kind of electrode utilizing semipermeable membrane to gather bioelectrical signals according to claim 1, it is characterized in that: electrode material is for silver, stannum, gold, plating silver chloride or sinter silver-colored silver chloride.
3., according to a kind of electrode utilizing semipermeable membrane to gather bioelectrical signals according to claim 1, it is characterized in that: the impermeable conductive paste of semipermeable membrane, but have enough large hole to allow ion exchange.
4., according to a kind of electrode utilizing semipermeable membrane to gather bioelectrical signals according to claim 1, it is characterized in that: in semipermeable membrane, the ion of conductive paste can freely by semipermeable membrane and skin free exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420562271.1U CN204158383U (en) | 2014-09-28 | 2014-09-28 | A kind of electrode utilizing semipermeable membrane to gather bioelectrical signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420562271.1U CN204158383U (en) | 2014-09-28 | 2014-09-28 | A kind of electrode utilizing semipermeable membrane to gather bioelectrical signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204158383U true CN204158383U (en) | 2015-02-18 |
Family
ID=52532123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420562271.1U Expired - Lifetime CN204158383U (en) | 2014-09-28 | 2014-09-28 | A kind of electrode utilizing semipermeable membrane to gather bioelectrical signals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204158383U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104287716A (en) * | 2014-09-28 | 2015-01-21 | 青岛柏恩鸿泰电子科技有限公司 | Equipment and device for collecting bio-electricity signals by means of semipermeable membrane |
| CN109567800A (en) * | 2018-12-29 | 2019-04-05 | 深兰科技（上海）有限公司 | Brain electrical dry electrode and brain wave acquisition equipment |
-
2014
- 2014-09-28 CN CN201420562271.1U patent/CN204158383U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104287716A (en) * | 2014-09-28 | 2015-01-21 | 青岛柏恩鸿泰电子科技有限公司 | Equipment and device for collecting bio-electricity signals by means of semipermeable membrane |
| CN109567800A (en) * | 2018-12-29 | 2019-04-05 | 深兰科技（上海）有限公司 | Brain electrical dry electrode and brain wave acquisition equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150218 |