CN101224109B - Electrode depolarization device - Google Patents
Electrode depolarization device Download PDFInfo
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- CN101224109B CN101224109B CN2008100652809A CN200810065280A CN101224109B CN 101224109 B CN101224109 B CN 101224109B CN 2008100652809 A CN2008100652809 A CN 2008100652809A CN 200810065280 A CN200810065280 A CN 200810065280A CN 101224109 B CN101224109 B CN 101224109B
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Abstract
The invention discloses an electrode depolarization device, the technical problem needs to be solved is to carry out the depolarization processing to the electrode which has the polarization phenomenon. The electrode depolarization device of the invention is provided with a DC power supply and an electrolytic cell, the interior of the electrolytic cell is filled with electrolyte, a positive electrode of the DC power supply is connected with an electrode lead adapter device, the electrode to be subject to the depolarization processing which is connected with the electrode lead adapter device and a cathode which is connected with a negative electrode of the DC power supply are immersed in the electrolyte. Compared with the prior art, the connection structure of the electrode to be subject to the depolarization processing which is connected with the electrode lead adapter device and the cathode which is connected with the negative electrode of the DC power supply is immersed in the electrolyte, so the depolarization processing of an electroencephalogram silver or sliver-silver chloride electrode which has the polarization phenomenon can be carried out, thereby improving the measurement quality of the electroencephalogram and the electrocardiogram and improving the diagnosis accuracy of the doctors on epilepsy, brain trauma, encephalitis, cerebrovascular diseases, intracranial space occupying lesions, heart diseases, and so on.
Description
Technical field
The present invention relates to a kind of armarium, the service equipment that equipment such as particularly a kind of electroencephalogram, electrocardiogram, reference electrode are used.
Background technology
Electrodes such as electroencephalogram are used to gather EEG signals, are made by electric conductivity good metal material usually.But metal material produces electric charge owing to electrochemical reaction at surface of metal electrode and gathers when having DC current to continue to pass through, and causes the resistance of time and frequency dependence to increase.Electrode surface produces the unidirectional current effect because have electric charge and polarity, produces significantly the baseline artifact of slowly drifting about after amplifying.So this have polar metal material can not be used to gather EEG signals.Be often used as the electrode material of electroencephalogram because silver does not have tangible polarization phenomena, but with increasing service time, the polarization phenomena of silver strengthen, and also can influence the quality of signals collecting such as electroencephalogram.
Summary of the invention
The purpose of this invention is to provide a kind of electrode depolarization device, the technical problem that solve is EEG electrode, ECG electrode, the reference electrode that produces polarization phenomena to be carried out depolarization handle.
The present invention is by the following technical solutions: a kind of electrode depolarization device, described electrode depolarization device has dc source and electrolyzer, electrolyte is housed in the electrolyzer, the anodal connection electrode of the dc source switching device that leads, electrode lead that switching device connects treats in the negative electrode immersion electrolyte that the negative pole of electrode that depolarization is handled and dc source is connected.
The voltage of dc source of the present invention is 0.5-36V.
Electrolyte of the present invention is sodium chloride, potassium chloride or hydrochloric acid solution.
The concentration of electrolyte of the present invention is that sodium chloride 0.01%-is saturated, potassium chloride 0.01%-is saturated, hydrochloric acid 0.01%-20.24%.
The positive pole of dc source of the present invention and electrode lead and are serially connected with switch between the switching device.
Be serially connected with the electric current indicating device between the negative pole of dc source of the present invention and the negative electrode.
Electric current indicating device of the present invention is ammeter or light emitting diode.
Negative electrode of the present invention adopts carbon-point or silver rod.
Electrolyzer of the present invention adopts the lucifuge anticorrosive to make.
The lead upper end of switching device of electrode of the present invention connects power line, and the lower end connects treats depolarizing electrode.
The present invention compared with prior art, adopt the anodal connection electrode of the dc source switching device that leads, electrode leads that switching device connects treats syndeton in the negative electrode immersion electrolyte that the negative pole of electrode that depolarization is handled and dc source is connected, electroencephalogram, electrocardiogram, reference electrode silver or the silver-silver chloride electrode that produces polarization phenomena carried out depolarization (chlorination) to be handled, improve electroencephalogram, Electrocardiographic test mass, improve the doctor to epilepsy, cerebral trauma, encephalitis, the accuracy of diagnosis such as cerebrovascular disease and intracranial spaceoccupying lesion, heart disease.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Fig. 2 is the electrode of embodiment of the invention switching device () structural representation that leads.
Fig. 3 is the electrode of embodiment of the invention switching device (two) structural representation that leads.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail.As shown in Figure 1, electrode depolarization device of the present invention comprises that dc source 4, one electrolyzers 2 are by the lucifuge anticorrosive, make as opaque polypropylene, electrolyte 1 is equipped with in the lucifuge depolarization in the electrolyzer 2, treat that the electrode 8 that depolarization is handled immerses in the electrolyte 1, be connected in the positive pole of dc source 4 by lead switching device 6, switch 7 of electrode, negative electrode 3 adopts carbon-point or silver rod, immerses in the electrolyte, is connected through ammeter 5 with the negative pole of dc source 4.
As shown in Figure 2, lead switching device 6 of electrode is the anti-creeping safety type electrode switching device that leads, and it partly is made up of connecting circuit part and connection electrode; 9 one ends that lead of connecting circuit part connect power line, are used for being connected with switch 7, and the other end is reverse spill, is used to the electrode of transferring; Connection electrode part interface 10 1 ends of switching device of leading are E shape, and shape and aforementioned direction spill interface adapt, and end connects and treats unpolarized electrode in addition.Lead 9 when connecting with interface 10, insert in the space of E shape intermediate projections both sides of interface 10 on 9 the spill both sides of leading, and E shape intermediate projections puts in 9 the spill of leading, and interface 10 other ends have the specification size hole identical with the electroencephalogram normal electrode.
As shown in Figure 3, the electrode switching device 6 that leads is the needle electrode switching device that leads, and 9 one ends that lead above it connect power line, are used for being connected with switch 7, and end is in-line in addition, and following interface 10 1 ends are spill, other end connection electrode.Lead 9 when connecting with interface 10,9 the in-line of leading inserts in the middle of the spill of interface 10.
The electrode of embodiment of the invention switching device 6 structures of leading are to make things convenient for the standard EEG electrode to be connected in the depolarization circuit; Other need unpolarized electrode can also adopt method such as clip to be connected in the depolarization circuit.
Safety type electrode of the present invention switching device and the needle electrode switching device that leads that leads can be distinguished separately and is connected with circuit, also can be connected with switch in parallel, is used for the lead electrode depolarization of interface of difference.
As most preferred embodiment, EEG electrode depolarization device of the present invention uses sodium chloride solution, need silver or silver-silver chloride electrode surperficial before using with behind the thin abstergent wiping light, the connection dc power anode also immerses in the electrolyte, the carbon-point or the silver rod that will connect negative pole simultaneously immerse in the electrolyte, and connect anodal electrode and be chlorinated this moment.The chemical reaction of positive source one end is Ag
+ 1+ Cl
-1→ AgCl is 2Na in the reaction of negative pole one end
+ 1+ 2H
2O+2e → 2NaOH+H
2↑.Electrode surface after the chlorination presents grey black.Used the electrode surface chlorination layer of a specified duration inefficacy that easily comes off, and needed counter electrode regularly carry out depolarization and handle.
When depolarization is handled, the end opposite of EEG electrode 8 signals collecting ends is connected in the lead interface 10 of switching device of electrode, electrode 8 signals collecting ends and negative electrode 3 are immersed in the electrolyte 1, Closing Switch 7, beginning counter electrode 8 signals collecting ends carry out depolarization to be handled, and this moment, the demonstration of ammeter 5 readings was non-vanishing, and electric current is about 0.01 milliampere/square millimeter (treating depolarizing electrode) in the depolarization circuit, when ammeter 5 readings are shown as zero, show that depolarization finishes.Also can adopt the serial connection light emitting diode, when electric current flows through, send bright signal.
Embodiment 2, silver/silver chloride electrode that homemade or import electroencephalograph is used to write down electroencephalogram is handled in depolarization, employing is safety type or the needle electrode switching device that leads, and carbon-point is as negative electrode, and dc source is 9V, electrolyte adopts Klorvess Liquid, its concentration is saturated solution, Closing Switch, and beginning ammeter reading is shown as 5 milliamperes, when the ammeter reading was shown as zero through about 30 minutes, depolarization was finished.Through perusal electrode outward appearance, the silvery white before polarization is handled or light brown, handling the back is puce, is the silver chloride cover layer.
Embodiment 4, silver/silver chloride electrode that homemade or import electroencephalograph is used to write down electroencephalogram is handled in depolarization, employing is the safety type electrode switching device that leads, and the silver rod is as negative electrode, and dc source is 36V, electrolyte adopts hydrochloric acid solution, its concentration is 0.01%, Closing Switch, and beginning ammeter reading is shown as 5 milliamperes (in circuit series connection one 1000 ohm variable resistance), when the ammeter reading was shown as zero through about 30 minutes, depolarization was finished.Through perusal electrode outward appearance, the silvery white before polarization is handled or light brown, handling the back is puce, is the silver chloride cover layer.
Embodiment 5, silver/silver chloride electrode that homemade or import electroencephalograph is used to write down electroencephalogram is handled in depolarization, employing is the safety type electrode switching device that leads, and carbon-point is as negative electrode, and dc source is 0.5V, electrolyte adopts hydrochloric acid solution, its concentration is 20.24%, Closing Switch, and beginning ammeter reading is shown as 5 milliamperes, when the ammeter reading was shown as zero through about 30 minutes, depolarization was finished.Through perusal electrode outward appearance, the silvery white before polarization is handled or light brown, handling the back is puce, is the silver chloride cover layer.
Device of the present invention can carry out depolarization (chlorination) to silver-silver chloride electrodes such as the electroencephalogram that produces polarization phenomena, electrocardiograms to be handled, improve the test mass of signals such as electroencephalogram, raising is to epilepsy, cerebral trauma, encephalitis, the accuracy of diagnosis such as cerebrovascular disease and intracranial spaceoccupying lesion, arrhythmia.Apparatus structure of the present invention is simple, and volume is small and exquisite, and is easy to use, is applicable to that the various silver electrode and the depolarization of silver electrode medicated cap of equipment such as electroencephalogram handled.
Claims (5)
1. electrode depolarization device, it is characterized in that: described electrode depolarization device has dc source (4) and electrolyzer (2), electrolyte (1) is housed in the electrolyzer (2), the anodal connection electrode of dc source (4) switching device (6) that leads, electrode leads that switching device (6) connects treats in the negative electrode immersion electrolyte that the negative pole of electrode (8) that depolarization is handled and dc source (4) is connected, the described electrode conversion equipment that leads is the anti-creeping safety type electrode conversion equipment that leads, and it partly is made up of connecting circuit part and connection electrode; (9) one ends that lead of connecting circuit part connect power line, are used for being connected with switch (7), and the other end is reverse spill, is used to the electrode of transferring; Connection electrode part interface (10) one ends of switching device of leading are E shape, shape and aforementioned direction spill interface adapt, unpolarized electrode is treated in the end connection in addition, lead (9) and interface (10) when connecting, insert in the space of E shape intermediate projections both sides of interfaces (10) on the lead spill both sides of (9), E shape intermediate projections puts in the spill of lead (9), and interface (10) other end has the specification size hole identical with the electroencephalogram normal electrode;
The voltage of described dc source (4) is 12V;
Described electrolyte (1) is sodium chloride solution;
The concentration of described electrolyte (1) is sodium chloride 0.9%;
The positive pole of described dc source (4) and electrode lead and are serially connected with switch (7) between the switching device (6);
Be serially connected with the electric current indicating device between the negative pole of described dc source (4) and the negative electrode;
Described electric current indicating device is ammeter (5) or light emitting diode;
Described negative electrode (3) adopts the silver rod;
Described electrolyzer (2) adopts lucifuge polypropylene anticorrosive to make;
The lead upper end of switching device (6) of described electrode connects power line, and the lower end connects treats depolarizing electrode.
2. electrode depolarization device, it is characterized in that: described electrode depolarization device has dc source (4) and electrolyzer (2), electrolyte (1) is housed in the electrolyzer (2), the anodal connection electrode of dc source (4) switching device (6) that leads, electrode lead that switching device (6) connects treats in the negative electrode immersion electrolyte that the negative pole of electrode (8) that depolarization is handled and dc source (4) is connected;
The described electrode switching device (6) that leads is the needle electrode switching device that leads, (9) one ends that lead above it connect power line, be used for being connected with switch (7), end is in-line in addition, following interface (10) one ends are spill, the other end connects electrode, leads (9) and interface (10) when connecting, in the middle of the spill of the in-line of lead (9) insertion interface (10);
Or the described electrode conversion equipment that leads is the anti-creeping safety type electrode conversion equipment that leads, and it partly is made up of connecting circuit part and connection electrode; (9) one ends that lead of connecting circuit part connect power line, are used for being connected with switch (7), and the other end is reverse spill, is used to the electrode of transferring; Connection electrode part interface (10) one ends of switching device of leading are E shape, shape and aforementioned direction spill interface adapt, unpolarized electrode is treated in the end connection in addition, lead (9) and interface (10) when connecting, insert in the space of E shape intermediate projections both sides of interfaces (10) on the lead spill both sides of (9), E shape intermediate projections puts in the spill of lead (9), and interface (10) other end has the specification size hole identical with the electroencephalogram normal electrode;
The voltage of described dc source (4) is 9V;
Described electrolyte (1) is Klorvess Liquid;
The concentration of described electrolyte (1) is that potassium chloride is saturated;
The positive pole of described dc source (4) and electrode lead and are serially connected with switch (7) between the switching device (6);
Be serially connected with the electric current indicating device between the negative pole of described dc source (4) and the negative electrode;
Described electric current indicating device is ammeter (5) or light emitting diode;
Described negative electrode (3) adopts carbon-point;
Described electrolyzer (2) adopts lucifuge polypropylene anticorrosive to make;
The lead upper end of switching device (6) of described electrode connects power line, and the lower end connects treats depolarizing electrode.
3. electrode depolarization device, it is characterized in that: described electrode depolarization device has dc source (4) and electrolyzer (2), electrolyte (1) is housed in the electrolyzer (2), the anodal connection electrode of dc source (4) switching device (6) that leads, electrode leads that switching device (6) connects treats in the negative electrode immersion electrolyte that the negative pole of electrode (8) that depolarization is handled and dc source (4) is connected, the described electrode conversion equipment that leads is the anti-creeping safety type electrode conversion equipment that leads, and it partly is made up of connecting circuit part and connection electrode; (9) one ends that lead of connecting circuit part connect power line, are used for being connected with switch (7), and the other end is reverse spill, is used to the electrode of transferring; Connection electrode part interface (10) one ends of switching device of leading are E shape, shape and aforementioned direction spill interface adapt, unpolarized electrode is treated in the end connection in addition, lead (9) and interface (10) when connecting, insert in the space of E shape intermediate projections both sides of interfaces (10) on the lead spill both sides of (9), E shape intermediate projections puts in the spill of lead (9), and interface (10) other end has the specification size hole identical with the electroencephalogram normal electrode;
The voltage of described dc source (4) is 12V;
Described electrolyte (1) is hydrochloric acid solution;
The concentration of described electrolyte (1) is hydrochloric acid 0.9%;
The positive pole of described dc source (4) and electrode lead and are serially connected with switch (7) between the switching device (6);
Be serially connected with the electric current indicating device between the negative pole of described dc source (4) and the negative electrode;
Described electric current indicating device is ammeter (5) or light emitting diode;
Described negative electrode (3) adopts the silver rod;
Described electrolyzer (2) adopts lucifuge polypropylene anticorrosive to make;
The lead upper end of switching device (6) of described electrode connects power line, and the lower end connects treats depolarizing electrode.
4. electrode depolarization device, it is characterized in that: described electrode depolarization device has dc source (4) and electrolyzer (2), electrolyte (1) is housed in the electrolyzer (2), the anodal connection electrode of dc source (4) switching device (6) that leads, electrode leads that switching device (6) connects treats in the negative electrode immersion electrolyte that the negative pole of electrode (8) that depolarization is handled and dc source (4) is connected, the described electrode conversion equipment that leads is the anti-creeping safety type electrode conversion equipment that leads, and it partly is made up of connecting circuit part and connection electrode; (9) one ends that lead of connecting circuit part connect power line, are used for being connected with switch (7), and the other end is reverse spill, is used to the electrode of transferring; Connection electrode part interface (10) one ends of switching device of leading are E shape, shape and aforementioned direction spill interface adapt, unpolarized electrode is treated in the end connection in addition, lead (9) and interface (10) when connecting, insert in the space of E shape intermediate projections both sides of interfaces (10) on the lead spill both sides of (9), E shape intermediate projections puts in the spill of lead (9), and interface (10) other end has the specification size hole identical with the electroencephalogram normal electrode;
The voltage of described dc source (4) is 36V;
Described electrolyte (1) is hydrochloric acid solution;
The concentration of described electrolyte (1) is hydrochloric acid 0.01%;
The positive pole of described dc source (4) and electrode lead and are serially connected with switch (7) between the switching device (6);
Be serially connected with the electric current indicating device between the negative pole of described dc source (4) and the negative electrode;
Described electric current indicating device is ammeter (5) or light emitting diode;
Described negative electrode (3) adopts the silver rod;
Described electrolyzer (2) adopts lucifuge polypropylene anticorrosive to make;
The lead upper end of switching device (6) of described electrode connects power line, and the lower end connects treats depolarizing electrode.
5. electrode depolarization device, it is characterized in that: described electrode depolarization device has dc source (4) and electrolyzer (2), electrolyte (1) is housed in the electrolyzer (2), the anodal connection electrode of dc source (4) switching device (6) that leads, electrode leads that switching device (6) connects treats in the negative electrode immersion electrolyte that the negative pole of electrode (8) that depolarization is handled and dc source (4) is connected, the described electrode conversion equipment that leads is the anti-creeping safety type electrode conversion equipment that leads, and it partly is made up of connecting circuit part and connection electrode; (9) one ends that lead of connecting circuit part connect power line, are used for being connected with switch (7), and the other end is reverse spill, is used to the electrode of transferring; Connection electrode part interface (10) one ends of switching device of leading are E shape, shape and aforementioned direction spill interface adapt, unpolarized electrode is treated in the end connection in addition, lead (9) and interface (10) when connecting, insert in the space of E shape intermediate projections both sides of interfaces (10) on the lead spill both sides of (9), E shape intermediate projections puts in the spill of lead (9), and interface (10) other end has the specification size hole identical with the electroencephalogram normal electrode;
The voltage of described dc source (4) is 0.5V;
Described electrolyte (1) is hydrochloric acid solution;
The concentration of described electrolyte (1) is hydrochloric acid 20.24%;
The positive pole of described dc source (4) and electrode lead and are serially connected with switch (7) between the switching device (6);
Be serially connected with the electric current indicating device between the negative pole of described dc source (4) and the negative electrode;
Described electric current indicating device is ammeter (5) or light emitting diode;
Described negative electrode (3) adopts carbon-point;
Described electrolyzer (2) adopts lucifuge polypropylene anticorrosive to make;
The lead upper end of switching device (6) of described electrode connects power line, and the lower end connects treats depolarizing electrode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100652809A CN101224109B (en) | 2008-02-01 | 2008-02-01 | Electrode depolarization device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100652809A CN101224109B (en) | 2008-02-01 | 2008-02-01 | Electrode depolarization device |
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| CN101224109A CN101224109A (en) | 2008-07-23 |
| CN101224109B true CN101224109B (en) | 2010-12-01 |
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|---|---|---|---|
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| CN102544232A (en) * | 2012-02-23 | 2012-07-04 | 常州天合光能有限公司 | Method for restoring crystalline silicon polarization component through water tank immersion method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2099750U (en) * | 1990-03-29 | 1992-03-25 | 河北省邯郸市化工自动化应用技术研究所 | Sodium hypochlorite generator for automatic removal of cathodic scale |
| CN1110333A (en) * | 1994-04-12 | 1995-10-18 | 卞光曹 | Method for depolarizing and stabilizing fluid by isolation method |
| CN2638041Y (en) * | 2003-07-22 | 2004-09-01 | 刘印同 | Electric contact liquid level meter without corroding electrode |
| CN2889167Y (en) * | 2006-04-12 | 2007-04-18 | 陆洋 | A joint means of lead suction cup |
-
2008
- 2008-02-01 CN CN2008100652809A patent/CN101224109B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2099750U (en) * | 1990-03-29 | 1992-03-25 | 河北省邯郸市化工自动化应用技术研究所 | Sodium hypochlorite generator for automatic removal of cathodic scale |
| CN1110333A (en) * | 1994-04-12 | 1995-10-18 | 卞光曹 | Method for depolarizing and stabilizing fluid by isolation method |
| CN2638041Y (en) * | 2003-07-22 | 2004-09-01 | 刘印同 | Electric contact liquid level meter without corroding electrode |
| CN2889167Y (en) * | 2006-04-12 | 2007-04-18 | 陆洋 | A joint means of lead suction cup |
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