CN210871576U - Novel graphite carbon disk electrode - Google Patents
Novel graphite carbon disk electrode Download PDFInfo
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- CN210871576U CN210871576U CN201921031536.4U CN201921031536U CN210871576U CN 210871576 U CN210871576 U CN 210871576U CN 201921031536 U CN201921031536 U CN 201921031536U CN 210871576 U CN210871576 U CN 210871576U
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Abstract
The utility model discloses a novel graphite carbon disk electrode, which comprises a disk electrode, an electrode connecting wire, an electroencephalogram tester and a display; the disk-shaped electrode is connected with an amplifier of the electroencephalogram tester through an electrode connecting wire and is used for being externally connected with a human body to acquire human brain wave information; the disc-shaped electrode is connected with the graphite carbon film layer in a clamping or adhering manner. The utility model discloses a inlay card or adhesion connection graphite carbon rete on the disc electrode, can directly place when using and examine the position at the human examination of awaiting measuring and detect, saved the loaded down with trivial details operation that applies conductive paste and use the back washing conductive paste on the electrode before original disc electrode uses, when guaranteeing good measurement impedance, saved the measuring time greatly, simplified the operation.
Description
Technical Field
The utility model relates to the field of instruments, in particular to an improvement of an electroencephalogram tester electrode; more specifically, the present invention relates to a graphite carbon disk electrode for an electroencephalogram tester.
Background
The electroencephalogram is the most intuitive and convenient method capable of directly reflecting the electroencephalogram activity, is an important means for diagnosing epileptic seizure, determining seizure types, determining epileptic syndrome types and evaluating the curative effect of anti-epileptic treatment, and is also the most important auxiliary examination of nervous system diseases such as syncope, dementia, encephalitis and the like.
The disk electrode is an ideal scalp electrode in the electroencephalography work at home and abroad at present. The conductive paste has the advantages of no damage to a person to be examined, no pain in examination, no mutual cross infection among patients in the operation process, easy acceptance of infants and the like, so the application range is wide.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects in the prior art, the technical problem to be solved by the present invention is to provide a disc electrode with simple operation and good effect.
In order to achieve the purpose, the utility model provides a graphite carbon disk electrode, which comprises a disk electrode, an electrode connecting wire, an electroencephalogram tester and a display; the disk-shaped electrode comprises a disk-shaped electrode arc part and a disk-shaped electrode ear part, is connected with an amplifier of an electroencephalogram tester through an electrode connecting wire and is used for being externally connected with a human body to acquire human brain wave information; one end of the electrode connecting wire is connected with the disc-shaped electrode, and the other end of the electrode connecting wire is connected with the electroencephalogram amplifier and is used for transmitting electroencephalogram information of the disc-shaped electrode to the electroencephalogram tester; the electroencephalogram tester is used for amplifying, processing and outputting electroencephalogram information; the display is used for displaying brain wave test information; characterized in that the discoid electrode is connected with the graphite carbon film layer.
Furthermore, the graphite carbon film layer comprises a graphite carbon film layer arc-shaped area arranged below the arc-shaped part of the disc-shaped electrode and is matched with the arc-shaped part of the disc-shaped electrode; graphite carbon rete still including set up in the outer plane of disk electrode ear shape part vertical direction and with graphite carbon rete arc region integrated into one piece's graphite carbon rete draw-in groove, realize that graphite carbon rete and disk electrode's inlay card are connected.
Furthermore, the graphite carbon film layer comprises a graphite carbon film layer arc-shaped area which is arranged below the arc-shaped part of the disc-shaped electrode and does not exceed the ear-shaped part of the disc-shaped electrode, and the graphite carbon film layer is fit with the arc-shaped part of the disc-shaped electrode; the graphite carbon film layer further comprises an adhesion layer arranged above the arc-shaped area of the graphite carbon film layer, and the adhesion connection of the graphite carbon film layer and the disc-shaped electrode is achieved.
The utility model discloses a inlay card or adhesion connection graphite carbon rete on the disc electrode, can directly place graphite carbon disc electrode and examine the position at the human examination that awaits measuring and detect, saved the loaded down with trivial details operation that applies conductive paste and use the back to wash conductive paste before original disc electrode uses on the electrode, when guaranteeing good measurement impedance, saved the measuring time greatly, simplified the operation.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 is a schematic view of the connection of disk-shaped electrodes of a prior art electroencephalograph.
Fig. 2 is a perspective view of a prior art disk electrode.
Fig. 3 is a cross-sectional view of a graphite carbon disk electrode according to a first embodiment of the present invention.
Fig. 4 is a cross-sectional view of a graphite carbon disk electrode according to a second embodiment of the present invention.
Fig. 5 is a graph comparing the measurement results of the graphite carbon disk electrode of the present invention with the prior art disk electrode.
Description of reference numerals:
1 a disk electrode; 2, connecting wires of electrodes; 3 electroencephalogram tester; 4, a display; 11 an arcuate portion; 12 ear-shaped portions; 13 oval holes; 21 a disk-shaped electrode portion; 211 a disk-shaped electrode arc portion; 212 disk-shaped electrode ear portions; 22 a graphite carbon film layer; a 221 graphitic carbon film arc region; 222, clamping grooves of the graphite carbon film layer; 223 an isolation layer; 31 a disk-shaped electrode portion; 311 a disk-shaped electrode arc portion; 312 disk-shaped electrode ear portions; a 32 graphite carbon film layer; 321 arc-shaped graphite carbon film layer; 322, an adhesive layer.
It should be noted that the attached drawings are used for illustrating the present invention, and not for limiting the present invention. It is noted that the drawings representing structures may not be drawn to scale. Also, in the drawings, the same or similar elements are denoted by the same or similar reference numerals.
Detailed Description
In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. The drawings are schematic diagrams or conceptual diagrams, and the relationship between the thickness and the width of each part, the proportional relationship between the parts and the like are not completely consistent with actual values.
The graphite carbon disk electrode and the preparation and use method thereof provided by the invention are further described in detail with reference to the accompanying drawings. It should be noted that the drawings are in a concise and general form, do not cover all hardware information required for implementing the control method, and are only used for conveniently and clearly assisting in explaining the embodiments of the present invention.
Fig. 1 is a schematic diagram of a connection mode of a disk electrode of an electroencephalogram detector in the prior art, wherein the disk electrode 1 is connected with an amplifier of an electroencephalogram tester 3 through an electrode connection wire 2, is used for externally connecting a human body, and transmits acquired human body electroencephalogram information to the electroencephalogram tester 3 through the electrode connection wire 2; and the electroencephalograph 3 is used for amplifying, processing and finally displaying the electroencephalogram information on the display 4.
Fig. 2 is a perspective view of a disc electrode in the prior art, the disc electrode 1 is composed of an arc portion 11 and an ear portion 12, an oval hole 13 is formed in the center of the arc portion 11, when in actual use, conductive paste needs to be injected through the oval hole 13, then the disc electrode 1 is fixed on a scalp through an adhesive tape, the disc electrode has the advantages of being firm and not prone to falling off, a person to be measured can record in a lying position, and the disc electrode is suitable for sleep recording, long-distance recording and recording of uncooperative children, but the conductive paste needs to be injected before use, and needs to be washed clean after use, and the process is complicated.
In view of this, the utility model discloses following improvement scheme:
the first embodiment is as follows:
fig. 3 shows the cross-sectional view of the first embodiment provided by the present invention, in this embodiment, graphite carbon disk electrode is composed of disk electrode part 21 and graphite carbon film layer 22, further, disk electrode part 21 is composed of disk electrode arc part 211 and disk electrode ear part 212, and its characterized in that still includes graphite carbon film layer 22, graphite carbon film layer 22 is in disk electrode arc part 211 corresponding region agrees with arc part and is set up graphite carbon film layer arc region 221, realizes good contact of graphite carbon film layer 22 and disk electrode part 21, sets up graphite carbon film layer draw-in groove 222 on disk electrode ear part 212 vertical direction outer plane simultaneously, makes disk electrode part 21 and graphite carbon film layer 22 inlay card be connected. In this embodiment, the included angle between the graphite carbon film layer clamping groove 222 and the outer plane of the disc electrode ear-shaped portion in the vertical direction is 90 °, and of course, the included angle may be further set to be smaller than 90 ° as required, so as to realize better clamping and embedding of the graphite carbon film layer 22 and the disc electrode ear-shaped portion 212. In addition, in order to prevent the graphite carbon disc electrode from being adhered to a graphite carbon film layer when the graphite carbon disc electrode is fixed by a silk adhesive tape when in use, an isolating layer 223 is arranged above a graphite carbon film layer clamping groove 222, the isolating layer 223 can be adhered and connected with the graphite carbon film layer, and meanwhile, the plane of the isolating layer, which is far away from the graphite carbon film layer, is a smooth surface, so that the isolating layer is easy to peel off from the silk adhesive tape and can be used for multiple times; the separator 223 may also be a separator paper, which is simply placed on the graphitic carbon film layer, does not adhere to the graphitic carbon film layer, and is disposed of after a single use.
It should be noted that, because the present embodiment does not need to use a conductive paste, the oval hole 13 of the discoid electrode in fig. 2 is eliminated in the present embodiment, and in addition, according to actual needs, the arc-shaped portion 211 of the discoid electrode in the present embodiment can be set to a non-arc design, such as a rectangular design, and the graphite carbon film layer is synchronously matched with the rectangular design. The second embodiment can also be designed accordingly, and will not be described herein again.
It can be seen that in the embodiment, the graphite carbon film layer is connected with the disc-shaped electrode part in an embedded manner, the arc-shaped area of the graphite carbon film layer is matched with the arc-shaped part of the disc-shaped electrode part, so that better contact impedance can be achieved, and meanwhile, the structure does not need to additionally coat and clean the conductive paste, so that the operation is greatly simplified.
Example two:
fig. 4 shows a cross-sectional view of a second embodiment provided by the present invention, in this embodiment, the graphite carbon disk electrode is composed of a disk electrode part 31 and a graphite carbon film layer 32, further, the disk electrode part 31 is composed of a disk electrode arc part 311 and a disk electrode ear part 312, and is characterized by further comprising a graphite carbon film layer 32, the graphite carbon film layer 32 does not exceed the disk electrode ear part 312 in the horizontal direction, the graphite carbon film layer 32 is provided with a graphite carbon arc region 321 by fitting the disk electrode arc part 311 into the arc part, and an adhesion layer 322 is provided above the graphite carbon arc region 321, so as to realize adhesion connection between the graphite carbon film layer 22 and the disk electrode part 21. In the embodiment, the adhesion layer 32 is disposed in the elliptical hole region of the discoid electrode in fig. 2, and in practical applications, the adhesion position and the adhesion area can be adjusted as required.
It can be seen that, in the embodiment, the graphite carbon film layer is connected with the disc-shaped electrode part through the adhesion layer, and meanwhile, the arc-shaped area of the graphite carbon film layer is matched with the arc-shaped part of the disc-shaped electrode part, so that better contact impedance can be achieved, and meanwhile, the structure does not need to additionally coat and clean the conductive paste, so that the operation is greatly simplified.
In addition, as an extension of this embodiment, the adhesive layer 322 may not be provided, and the graphite carbon film layer needs to be firstly clamped on the disk-shaped electrode portion and then placed on the to-be-measured portion of the human body when in use, which is relatively complicated in operation, but facilitates replacement of the graphite carbon film layer in case of damage.
The utility model provides a novel graphite carbon disk electrode's application method, as follows:
step 4, connecting the electrode connecting wire to an electroencephalogram tester;
step 5, after adjusting the impedance/noise, starting electroencephalogram testing;
and 6, directly taking off the graphite carbon disk electrode after the test is finished.
The utility model discloses utilize novel graphite carbon disc electrode and the current disc electrode that switches on of using electrically conductive cream to test in step, 2 patients of random selection carry out conventional electroencephalogram respectively and trace, electrode connection adopts conventional 16 connection modes that lead, and the test result of intercepting ear electrode and reference electrode carries out the comparison, the test result is as shown in figure 5, can see out, adopt graphite carbon disc electrode test result and the disc electrode measurement baseline stability that uses electrically conductive cream to switch on are equivalent, satisfy the actual measurement demand completely, but the difference is graphite carbon disc electrode in the in-service use process, the operation has been simplified greatly, time around having saved the measurement.
To sum up, the utility model discloses a configuration optimization can directly place and examine the position at the human examination of awaiting measuring and detect, has saved the loaded down with trivial details operation that applies conductive paste and use the back to wash conductive paste on the electrode before original disc electrode uses, when guaranteeing good measurement impedance, has saved the measuring time greatly, has simplified the operation.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (3)
1. A novel graphite carbon disk electrode comprises a disk electrode, an electrode connecting wire, an electroencephalogram tester and a display;
the disk-shaped electrode comprises a disk-shaped electrode arc part and a disk-shaped electrode ear part, is connected with an amplifier of an electroencephalogram tester through an electrode connecting wire and is used for being externally connected with a human body to acquire electroencephalogram information of the human body;
one end of the electrode connecting wire is connected with the disk-shaped electrode, and the other end of the electrode connecting wire is connected with an amplifier of an electroencephalogram tester and used for transmitting electroencephalogram information of the disk-shaped electrode to the electroencephalogram tester;
the electroencephalogram tester is used for amplifying, processing and outputting electroencephalogram information;
the display is used for displaying brain wave test information;
characterized in that the discoid electrode is connected with the graphite carbon film layer.
2. A novel graphitic carbon disk electrode according to claim 1 wherein said graphitic carbon film layer comprises a graphitic carbon film layer arcuate region disposed below the disk electrode arcuate portion and engaging the disk electrode arcuate portion; graphite carbon rete still including set up in the outer plane of disk electrode ear shape part vertical direction and with graphite carbon rete arc region integrated into one piece's graphite carbon rete draw-in groove, realize that graphite carbon rete and disk electrode's inlay card are connected.
3. A novel graphitic carbon disk electrode according to claim 1 wherein the graphitic carbon film layer comprises a graphitic carbon film layer arcuate region disposed below the disk electrode arcuate portion and not beyond the disk electrode tab portion, engaging the disk electrode arcuate portion; the graphite carbon film layer further comprises an adhesion layer arranged above the arc-shaped area of the graphite carbon film layer, and the adhesion connection of the graphite carbon film layer and the disc-shaped electrode is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921031536.4U CN210871576U (en) | 2019-07-02 | 2019-07-02 | Novel graphite carbon disk electrode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921031536.4U CN210871576U (en) | 2019-07-02 | 2019-07-02 | Novel graphite carbon disk electrode |
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| CN210871576U true CN210871576U (en) | 2020-06-30 |
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| CN201921031536.4U Active CN210871576U (en) | 2019-07-02 | 2019-07-02 | Novel graphite carbon disk electrode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112244840A (en) * | 2019-07-02 | 2021-01-22 | 复旦大学附属中山医院 | Graphite carbon disk electrode and preparation method and use method thereof |
| WO2024029505A1 (en) * | 2022-08-01 | 2024-02-08 | ティア・リサーチ・コンサルティング合同会社 | Itching or pain evaluation method and evaluation system |
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2019
- 2019-07-02 CN CN201921031536.4U patent/CN210871576U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112244840A (en) * | 2019-07-02 | 2021-01-22 | 复旦大学附属中山医院 | Graphite carbon disk electrode and preparation method and use method thereof |
| CN112244840B (en) * | 2019-07-02 | 2023-08-04 | 复旦大学附属中山医院 | Graphite carbon disk electrode and preparation method and application method thereof |
| WO2024029505A1 (en) * | 2022-08-01 | 2024-02-08 | ティア・リサーチ・コンサルティング合同会社 | Itching or pain evaluation method and evaluation system |
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