CN105193411A - Electroencephalogram electrode sensor - Google Patents
Electroencephalogram electrode sensor Download PDFInfo
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- CN105193411A CN105193411A CN201510633541.2A CN201510633541A CN105193411A CN 105193411 A CN105193411 A CN 105193411A CN 201510633541 A CN201510633541 A CN 201510633541A CN 105193411 A CN105193411 A CN 105193411A
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Abstract
The invention discloses an electroencephalogram electrode sensor. The electroencephalogram electrode sensor comprises a thin-film PCB circuit layer, an adhesion layer, a stylus layer and a conductive hydrogel, one end of the thin-film PCB circuit layer serves as an insertion port, the other end of the thin-film PCB circuit layer is provided with four electrode cores, the adhesion layer is arranged on the thin-film PCB circuit layer, four through holes are formed in the portions, opposite to the electrode cores, of the adhesion layer, the sizes of the through holes are matched with those of the electrode cores, the sizes of the stylus layer and the conductive hydrogel are matched with those of the through holes, and the stylus layer and the conductive hydrogel are sequentially arranged on the electrode cores from bottom to top. According to the electroencephalogram electrode sensor, due to the fact that the thin-film PCB circuit layer, the adhesion layer, the stylus layer and the conductive hydrogel are included, the adhesion layer is arranged on the thin-film PCB circuit layer, the four through holes are formed in the portions, opposite to the electrode cores, of the adhesion layer, the sizes of the stylus layer and the conductive hydrogel are matched with those of the through holes, and the stylus layer and the conductive hydrogel are sequentially arranged on the electrode cores from bottom to top. The electroencephalogram electrode sensor has the advantages that the structure is simple, and the signal quality is guaranteed; meanwhile, the price is low, and the application cost can be reduced.
Description
Technical field
The application relates to medical apparatus and instruments, particularly relates to a kind of electrode for encephalograms sensor.
Background technology
Anesthesia is requisite key link in modern clinic operation, but implement anesthesia and there is higher risk, the anaesthesia dosage of mistake all can bring injury how for patient provides safe and reliable anesthesia to patient, is the emphasis problem of current anesthesiology research association area.EEG signals is the concentrated expression of Cerebral Cortex Neuronal Cells group synaptic potential change, has the advantage of reflection conscious activity and non-invasive feature.EEG signals is one of most potential method in current objective evaluation depth of anesthesia, has obtained good achievement in research, assesses narcotism in clinical operation have important clinical value by EEG signals.Thus the acquisition of EEG signals is most important for anesthesia depth monitoring.
The common electrode sensor for obtaining EEG signals mainly contains BIS(bispectralindex, BIS Propofol-targeted at present) sensor.BIS sensor is made up of 4 electrode chips, polyester photosensitive layer and silver-silver chloride transducer wire, and electrode chip is made up of PE white foam, gel and Velcro contact pilotage, not containing latex.But there is the high shortcoming of price in BIS sensor, adds the application cost of operation.
Summary of the invention
The application provides a kind of electrode for encephalograms sensor.
The technical problem that the application will solve is solved by the following technical programs:
A kind of electrode for encephalograms sensor, comprise thin film PCB circuit layer, adhering layer, contact pilotage layer and conductive hydrogel, one end of described thin film PCB circuit layer is grafting port, the other end of described thin film PCB circuit layer is provided with four electrode cores, described adhering layer is arranged on described thin film PCB circuit layer, and the described adhering layer position relative with described electrode cores is provided with four through holes, the size of described through hole coordinates with described electrode cores, and the size of described contact pilotage layer and described conductive hydrogel coordinates with described through hole and is successively set on from bottom to top in described electrode cores.
Also comprise the joint pin be clamped between described contact pilotage layer and described electrode cores.
Described joint pin comprises cylindrical, and is made up containing glue foamed materials of two-sided.
Also comprise the adhesive layer be clamped between described contact pilotage layer and described conductive hydrogel, described adhesive layer comprises thread cotton.
Described contact pilotage layer comprises the plastic disc with contact pilotage.
Described conductive hydrogel is the colloidal liquid containing Nacl.
Described colloidal liquid is carbomer triethanolamine, NaCl and water, wherein carbomer: triethanolamine: NaCl: water=0.5 ~ 1.5%:1 ~ 2%:1.5 ~ 2.5%:94 ~ 97%.
Described thin film PCB circuit layer comprises PET film substrate and is arranged on the suprabasil Copper Foil wire of described PET film, and described electrode cores is made up of Copper Foil.
Owing to have employed above technical scheme, the beneficial effect that the application is possessed is:
(1) in the detailed description of the invention of the application, owing to comprising thin film PCB circuit layer, adhering layer, contact pilotage layer and conductive hydrogel, adhering layer is arranged on thin film PCB circuit layer, and the adhering layer position relative with electrode cores is provided with four through holes, the size of contact pilotage layer and described conductive hydrogel coordinates with described through hole and is successively set on from bottom to top in described electrode cores.The application's structure is simple, ensures signal quality, simultaneously cheap, can reduce application cost.
(2) in the detailed description of the invention of the application, electrode for encephalograms sensor layer based on thin film PCB circuit layer of the application, superposition adhering layer, joint pin is connected with the electrode cores of basal layer through the through hole of adhering layer, joint pin is connected with contact pilotage layer again, contact pilotage layer superposes adhesive layer, adhesive layer immerses conductive hydrogel, conductive effect is good, measures accurately.
Accompanying drawing explanation
Fig. 1 is the discrete schematic diagram of electrode for encephalograms sensor element in one embodiment of the application;
Fig. 2 is the thin film PCB circuit layer structural representation in one embodiment of the application.
Detailed description of the invention
By reference to the accompanying drawings the application is described in further detail below by detailed description of the invention.
As shown in Figure 1 and Figure 2, the electrode for encephalograms sensor of the application, its a kind of embodiment, comprises thin film PCB circuit layer 10, adhering layer 20, contact pilotage layer 30 and conductive hydrogel 40.One end of thin film PCB circuit layer 10 is grafting port, the other end of thin film PCB circuit layer 10 is provided with four electrode cores and control module 13, in one embodiment, this control module 13 adopts encryption chip, as being the 1-WireEEPROM chip of 1024, this chip 13 can limit the consumptive material pot life, and can identify each end product on application layer.This sensor service time and supporting monitoring equipment can be limited by this encryption chip, thus ensure the safety of this sensor.Four electrode cores are respectively electrode A, electrode B, electrode C and electrode D, wherein electrode A is reference electrode, electrode B is ground electrode, electrode D is electromyographic signal monitoring electrode, electrode C is sensing electrode, and electrode A, electrode B, electrode C and electrode D constitute intermediary EEG signals being converted to the signal of telecommunication.Adhering layer 20 is arranged on thin film PCB circuit layer 10, and in one embodiment, adhering layer 20 is made up of the foamed materials of two sides containing glue, the position hollow out relative with electrode cores.The one side of adhering layer 20 is pasted on thin film PCB circuit layer 10, and another side is pasted on the forehead place of patient.Adhering layer 20 is provided with through hole 21, and through hole 21 has four, and through hole 21 is relative with the position of electrode cores, and the size of through hole 21 coordinates with electrode cores.The size of contact pilotage layer 30 and conductive hydrogel 40 coordinates with electrode cores, contact pilotage layer 30 and conductive hydrogel 40 and be successively set on from bottom to top in electrode cores.
The electrode for encephalograms sensor of the application, can also comprise joint pin 50, and joint pin 50 is clamped between contact pilotage layer 30 and electrode cores.Joint pin 50 comprises cylindrical, and is made up containing glue foamed materials of two-sided.The height of joint pin 50 is being 0.5mm ~ 1.5mm.In the present embodiment, the height of joint pin 50 is 1mm, and contact pilotage layer 30 can be connected with the electrode cores on thin film PCB circuit layer 10 by joint pin 50.
The electrode for encephalograms sensor of the application, can also comprise adhesive layer 60, and adhesive layer 60 is clamped between contact pilotage layer 30 and conductive hydrogel 40.In one embodiment, adhesive layer 60 comprises thread cotton.The size of adhesive layer 60 is the same with contact pilotage layer 30 size, and adhesive layer 60 is positioned on contact pilotage layer 30, is the thread cotton of thin layer, for adhering to conductive hydrogel 40.Conductive hydrogel 40 is on the thread cotton of adhesive layer, it is the Organic substance containing Nacl, Organic substance is the mixture of triethanolamine and carbomer, for colloidal liquid, conductive hydrogel 40 comprises carbomer triethanolamine, NaCl and water, wherein carbomer: triethanolamine: NaCl: water=0.5 ~ 1.5%:1 ~ 2%:1.5 ~ 2.5%:94 ~ 97%.In one embodiment, carbomer: triethanolamine: NaCl: water=1%:1.35%:2%:95.65%.
This mixing material is nontoxic, nonirritant, not containing allergic component.Meanwhile, adhesive layer 60 can strengthen the exposure level of conductive hydrogel 40 and skin on contact pilotage layer 30, and conductive hydrogel 40 also contacts with electrode cores, and conductive hydrogel 40 is conducted electricity by ion, has good electric conductivity.
In one embodiment, contact pilotage layer 30 comprises the plastic disc with contact pilotage.Contact pilotage layer 30 is connected with electrode cores by joint pin.The exposure level with patient skin can be strengthened by contact pilotage, simultaneously again because contact pilotage quality is softer, can not patient skin be hurt.
The electrode for encephalograms sensor of the application, thin film PCB circuit layer 10 comprises PET film substrate 11 and Copper Foil wire 12, and Copper Foil wire 12 is arranged in PET film substrate 11, and electrode cores is made up of Copper Foil, adopts turmeric technique to strengthen electric conductivity.
Above content is the further description done the application in conjunction with concrete embodiment, can not assert that the concrete enforcement of the application is confined to these explanations.For the application person of an ordinary skill in the technical field, under the prerequisite not departing from the application's design, some simple deduction or replace can also be made.
Claims (8)
1. an electrode for encephalograms sensor, it is characterized in that, comprise thin film PCB circuit layer, adhering layer, contact pilotage layer and conductive hydrogel, one end of described thin film PCB circuit layer is grafting port, the other end of described thin film PCB circuit layer is provided with four electrode cores, described adhering layer is arranged on described thin film PCB circuit layer, and the described adhering layer position relative with described electrode cores is provided with four through holes, the size of described through hole coordinates with described electrode cores, the size of described contact pilotage layer and described conductive hydrogel coordinates with described through hole and is successively set on from bottom to top in described electrode cores.
2. electrode for encephalograms sensor as claimed in claim 1, is characterized in that, also comprise the joint pin be clamped between described contact pilotage layer and described electrode cores.
3. electrode for encephalograms sensor as claimed in claim 2, it is characterized in that, described joint pin comprises cylindrical, and is made up containing glue foamed materials of two-sided.
4. electrode for encephalograms sensor as claimed in claim 2, it is characterized in that, also comprise the adhesive layer be clamped between described contact pilotage layer and described conductive hydrogel, described adhesive layer comprises thread cotton.
5. electrode for encephalograms sensor as claimed in claim 1, it is characterized in that, described contact pilotage layer comprises the plastic disc with contact pilotage.
6. the electrode for encephalograms sensor according to any one of claim 1 to 5, is characterized in that, described conductive hydrogel is the colloidal liquid containing Nacl.
7. electrode for encephalograms sensor as claimed in claim 6, it is characterized in that, described colloidal liquid is carbomer triethanolamine, NaCl and water, wherein carbomer: triethanolamine: NaCl: water=0.5 ~ 1.5%:1 ~ 2%:1.5 ~ 2.5%:94 ~ 97%.
8. the electrode for encephalograms sensor according to any one of claim 1 to 5, is characterized in that, described thin film PCB circuit layer comprises PET film substrate and is arranged on described PET film suprabasil copper pool wire, and described electrode cores is moored by copper and made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510633541.2A CN105193411A (en) | 2015-09-29 | 2015-09-29 | Electroencephalogram electrode sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510633541.2A CN105193411A (en) | 2015-09-29 | 2015-09-29 | Electroencephalogram electrode sensor |
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| Publication Number | Publication Date |
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| CN105193411A true CN105193411A (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510633541.2A Pending CN105193411A (en) | 2015-09-29 | 2015-09-29 | Electroencephalogram electrode sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018218968A1 (en) * | 2017-06-02 | 2018-12-06 | 深圳市前海未来无限投资管理有限公司 | Medical glue dropping electrode and use thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011143490A2 (en) * | 2010-05-12 | 2011-11-17 | Irhythm Technologies, Inc. | Device features and design elements for long-term adhesion |
| CN102319068A (en) * | 2011-07-29 | 2012-01-18 | 上海交通大学 | Electroencephalo-graph dry electrode based on capacitive coupling principle |
| CN203873754U (en) * | 2014-05-05 | 2014-10-15 | 浙江普可医疗科技有限公司 | Disposable electroencephalogram sensor |
| CN104224167A (en) * | 2014-09-21 | 2014-12-24 | 北京师范大学 | Disposable brain state monitoring flexible patch electrode |
| CN205072866U (en) * | 2015-09-29 | 2016-03-09 | 深圳大学 | Brain electricity electrode sensor |
-
2015
- 2015-09-29 CN CN201510633541.2A patent/CN105193411A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011143490A2 (en) * | 2010-05-12 | 2011-11-17 | Irhythm Technologies, Inc. | Device features and design elements for long-term adhesion |
| CN102319068A (en) * | 2011-07-29 | 2012-01-18 | 上海交通大学 | Electroencephalo-graph dry electrode based on capacitive coupling principle |
| CN203873754U (en) * | 2014-05-05 | 2014-10-15 | 浙江普可医疗科技有限公司 | Disposable electroencephalogram sensor |
| CN104224167A (en) * | 2014-09-21 | 2014-12-24 | 北京师范大学 | Disposable brain state monitoring flexible patch electrode |
| CN205072866U (en) * | 2015-09-29 | 2016-03-09 | 深圳大学 | Brain electricity electrode sensor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018218968A1 (en) * | 2017-06-02 | 2018-12-06 | 深圳市前海未来无限投资管理有限公司 | Medical glue dropping electrode and use thereof |
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Application publication date: 20151230 |