CN201164463Y - Electrode-depolarizing device - Google Patents

Electrode-depolarizing device Download PDF

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Publication number
CN201164463Y
CN201164463Y CNU2008200921158U CN200820092115U CN201164463Y CN 201164463 Y CN201164463 Y CN 201164463Y CN U2008200921158 U CNU2008200921158 U CN U2008200921158U CN 200820092115 U CN200820092115 U CN 200820092115U CN 201164463 Y CN201164463 Y CN 201164463Y
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China
Prior art keywords
electrode
depolarization
electrolyte
switching device
source
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Expired - Lifetime
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CNU2008200921158U
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Chinese (zh)
Inventor
廖建湘
王鑫娟
李成荣
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Shenzhen Childrens Hospital
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Shenzhen Childrens Hospital
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Priority to CNU2008200921158U priority Critical patent/CN201164463Y/en
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Abstract

The utility model discloses an electrode depolarizing device and aims at solving the technical problem of carrying out the depolarizing treatment for the electrode that generates polarization phenomenon. The electrode depolarizing device of the utility model is provided with a DC power supply and an electrolytic cell which is internally provided with electrolyte, the positive pole of the DC power supply is connected with an electrode lead switching device, and the electrode which is to be depolarized and is connected with the electrode lead switching device and the cathode connected with the negative pole of the DC power supply are immerged into the electrolyte. Compared with the prior art, the electrode which is to be depolarized and is connected with the electrode lead switching device and the cathode connected with the negative pole of the DC power supply are immerged into a connecting structure in the electrolyte, electroencephalogram silver or silver-silver chloride electrode which generates the polarization phenomenon is carried out depolarizing treatment, the quality of testing electroencephalogram and electrocardiogram is improved, and the accuracy rating of the doctor diagnosis on epilepsy, cerebral trauma, encephalitis, cerebrovascular disease, encephalic space-occupying lesion, heart disease and other diseases is improved.

Description

Electrode depolarization device
Technical field
This utility model 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 utility model provides a kind of electrode depolarization device, and the technical problem that solve is EEG electrode, ECG electrode, the reference electrode that produces polarization phenomena to be carried out depolarization handle.
This utility model 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 utility model is 0.5-36V.
Electrolyte of the present utility model is sodium chloride, potassium chloride or hydrochloric acid solution.
The concentration of this utility model electrolyte is that sodium chloride 0.01%-is saturated, potassium chloride 0.01%-is saturated, hydrochloric acid 0.01%-20.24%.
The positive pole of this utility model dc source 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 this utility model dc source and the negative electrode.
Electric current indicating device of the present utility model is ammeter or light emitting diode.
Negative electrode of the present utility model adopts carbon-point or silver rod.
Electrolyzer of the present utility model adopts the lucifuge anticorrosive to make.
The lead upper end of switching device of this utility model electrode connects power line, and the lower end connects treats depolarizing electrode.
This utility model 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 this utility model embodiment.
Fig. 2 is the electrode of this utility model embodiment switching device () structural representation that leads.
Fig. 3 is the electrode of this utility model embodiment switching device (two) structural representation that leads.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is described in further detail.As shown in Figure 1, electrode depolarization device of the present utility model 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 this utility model embodiment 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 utility model 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 utility model 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 1, 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 12V, electrolyte adopts sodium chloride solution, its concentration is 0.9%, 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 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 3, 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 12V, electrolyte adopts hydrochloric acid solution, its concentration is 0.9%, 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 utility model 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 utility model 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 (10)

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 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.
2. electrode depolarization device according to claim 1 is characterized in that: the voltage of described dc source (4) is 0.5-36V.
3. electrode depolarization device according to claim 2 is characterized in that: described electrolyte (1) is sodium chloride, potassium chloride or hydrochloric acid solution.
4. electrode depolarization device according to claim 3 is characterized in that: the concentration of described electrolyte (1) is that sodium chloride 0.01%-is saturated, potassium chloride 0.01%-is saturated, hydrochloric acid 0.01%-20.24%.
5. electrode depolarization device according to claim 4 is characterized in that: the positive pole of described dc source (4) and electrode lead and are serially connected with switch (7) between the switching device (6).
6. electrode depolarization device according to claim 5 is characterized in that: be serially connected with the electric current indicating device between the negative pole of described dc source (4) and the negative electrode.
7. electrode depolarization device according to claim 6 is characterized in that: described electric current indicating device is ammeter (5) or light emitting diode.
8. electrode depolarization device according to claim 7 is characterized in that: described negative electrode (3) adopts carbon-point or silver rod.
9. electrode depolarization device according to claim 8 is characterized in that: described electrolyzer (2) adopts the lucifuge anticorrosive to make.
10. electrode depolarization device according to claim 9 is characterized in that: the lead upper end of switching device (6) of described electrode connects power line, and the lower end connects treats depolarizing electrode.
CNU2008200921158U 2008-02-01 2008-02-01 Electrode-depolarizing device Expired - Lifetime CN201164463Y (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108232340A (en) * 2017-12-14 2018-06-29 合肥国轩高科动力能源有限公司 Waste battery discharging device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108232340A (en) * 2017-12-14 2018-06-29 合肥国轩高科动力能源有限公司 Waste battery discharging device

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Granted publication date: 20081217