CN217886025U - Electrode device and electrode cap for electroencephalogram measurement - Google Patents
Electrode device and electrode cap for electroencephalogram measurement Download PDFInfo
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- CN217886025U CN217886025U CN202221588349.8U CN202221588349U CN217886025U CN 217886025 U CN217886025 U CN 217886025U CN 202221588349 U CN202221588349 U CN 202221588349U CN 217886025 U CN217886025 U CN 217886025U
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- electrode
- main body
- depressed area
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- utility
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- 238000005259 measurement Methods 0.000 title claims abstract description 12
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 12
- 241000252254 Catostomidae Species 0.000 claims 1
- 238000000537 electroencephalography Methods 0.000 claims 1
- 210000004761 scalp Anatomy 0.000 abstract description 10
- 210000003128 head Anatomy 0.000 description 7
- 210000004556 brain Anatomy 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000035807 sensation Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The utility model discloses an electrode device for electroencephalogram measurement, electrode device has the main part and sets up the portion of gripping in the main part top, and the main part is spherical structure, and the plane is set to its lower part, is provided with the sucking disc around the lower part. The lower part of the main body is provided with a depressed area, the sucker is arranged around the depressed area, the electrode is arranged in the depressed area, and the electrode is arranged on the electrode mounting frame. Be provided with the through-hole in the main part, electrode mounting bracket can remove in the main part, is provided with the recess that switches on with the through-hole when electrode mounting bracket removes the top at electrode mounting bracket. The electrode of the utility model can be conveniently arranged on the scalp of a user, and more importantly, the electrode can be conveniently released and can not cause uncomfortable drawing feeling to the user.
Description
Technical Field
The utility model belongs to brain electricity measuring equipment field, concretely relates to electrode assembly and electrode cap for brain electricity measurement.
Background
Electrode devices and electrode caps are commonly used for measurement in electroencephalogram measurement, and head-mounted electrode caps are common.
The related electrode and electrode cap are disclosed in the following prior arts,
chinese patent CN108742605a discloses a mobile electroencephalogram acquisition device with a spiral electrode, comprising: the head fixing band has elasticity, and the multiunit electrode support pole sets up in the both sides of head fixing band, and the motor sets up on each electrode support pole, and spiral support piece, one end and the output shaft of motor, the other end is the free end, and the spiral electrode piece sets up on spiral support piece's working face, and the shape matches with spiral support piece.
Above-mentioned patent is owing to adopted spiral support piece, consequently when carrying out the brain electricity and gathering, spiral support piece slowly rotates under the drive of motor to the effectual hair that passes for spiral electrode piece and scalp direct contact have effectively avoided the influence of hair to brain electrical signal collection, but the electrode exists the influence to patient use comfort.
Chinese patent CN112043266a discloses a comb-shaped electroencephalogram dry electrode wearing device, which comprises a head band, a fixing plate fixed on the head band in a sliding manner, and a plurality of electrode structures fixed on the fixing plate, wherein the electrode structures comprise comb-shaped contact parts.
The above patent adopts a similar comb structure to comb the hair more easily, so as to avoid the hair from being pressed between the electrode and the scalp to cause electric isolation, ensure the stable contact between the electrode and the scalp and provide intuitive impedance adjustment; secondly, track structure and track fixed plate provide the gliding orbit that comb electrode combed open hair, and the stable of electrode is laid can be realized to spring assembly structure, scans the 3D fixed plate of printing according to the skull shape of being examined, makes electrode and scalp have better laminating nature, but the electrode exists the influence to patient's comfort in use.
When it is found that none of the prior art electrodes allow for convenient and recommended wearing and do not reduce or eliminate the impact on the user when the electrode is released.
Disclosure of Invention
In view of above-mentioned technical problem, the utility model provides an electrode assembly and electrode cap for electroencephalogram measurement aims at solving the problem among the prior art.
In order to solve the technical problem, the technical scheme of the utility model as follows:
an electrode device for measuring brain electricity, the electrode device has a main body 1 and a holding part 2 arranged above the main body 1, the main body 1 is a spherical structure, the lower part of the main body is arranged into a plane, and a sucker 3 is arranged around the lower part. A depressed area 4 is formed in the lower portion of the main body 1, the sucker 3 is arranged around the depressed area 4, an electrode 10 is arranged in the depressed area 4, and the electrode 10 is mounted on an electrode mounting frame 9. The main body 1 is provided with a through hole 16, the electrode mount 9 is movable in the main body 1, and the electrode mount 9 is provided with a groove 11 communicating with the through hole 16 when the electrode mount 9 is moved upward.
The electrode of the utility model can be conveniently arranged on the scalp of a user, and more importantly, the electrode can be conveniently released and can not cause uncomfortable drawing feeling to the user.
Drawings
FIG. 1 is a front view of an electrode of the present invention;
fig. 2 is a cross-sectional view of an electrode of the present invention in state one;
fig. 3 is a cross-sectional view of the electrode of the present invention in state two;
fig. 4 is a cross-sectional view of the electrode of the present invention in state three;
in the figure, a main body 1, a holding part 2, a sucker 3, a depressed area 4, a cavity 5 (column shape), a cover 6, a limit stop 7, a sealing ring 8, an electrode mounting frame 9, an electrode 10, a groove 11, a spring 12, a cover hole 13, a pull buckle 14, a pull rope 15 and a through hole 16 are shown.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The utility model discloses an electrode assembly and electrode cap for electroencephalogram measurement, electrode cap adopt the utility model discloses a public electrode assembly, its mounting means on electrode cap can be for welded fastening or for detachable (through analog centre gripping such as outside clip) connection.
As shown in fig. 1, the specific structure of the electrode cap is not shown in the drawings, and it should be noted that the electrode cap can be worn on the head and connected to the electrode device in consideration of the protection range.
As shown in fig. 1, the electrode device includes a main body 1 and a holding portion disposed at an upper portion of the main body 1, the main body 1 is a spherical structure, a lower portion thereof is disposed as a plane, a suction cup 3 is disposed around the lower portion, and a working principle of the suction cup 3 is similar to that of a suction hook in the prior art.
As shown in fig. 2, a recessed area 4 is formed at the lower part of the main body 1, a cavity 5 is formed in the whole body formed by the main body 1 and the holding part 2, the cavity 5 is cylindrical, and a cover 6 is arranged above the holding part 5 and can be welded or detachably connected with the holding part. An annular limit stop 7 is arranged in the cavity 5, an annular sealing ring 8 is arranged below the limit stop 7, the electrode 10 is installed on an electrode installation frame 9, the electrode installation frame 9 is arranged in the cavity 5, and an annular bulge matched with the limit stop 7 is arranged on the outer side edge of the upper end of the electrode installation frame 9. A groove 11 is formed in the outer edge of the lower end of the electrode mounting frame 9, a spring 12 is arranged between the cover 6 and the electrode mounting frame 9, and as shown in fig. 2, the spring 12 is always in a compressed state and presses the electrode mounting frame 9 downwards. A cover hole 13 is formed in the cover 6, the minimum diameter of the pull buckle 14 is larger than that of the cover hole 13, the pull buckle 14 is arranged outside the cavity 5, and a pull rope 15 is connected between the pull buckle 14 and the electrode mounting frame 9. As shown in fig. 3, a through hole 16 communicating with the outside is opened at the limit stopper 7.
The utility model also discloses an electrode cap installs foretell electrode assembly who is used for the electroencephalogram to measure usefulness on this electrode cap.
Fig. 2, 3, 4 do the utility model discloses different states of electrode assembly when using will when beginning to use the utility model discloses an electrode cap is pressed at user's head, because the effect of sealing washer and electrode mounting bracket, and recess and through-hole do not switch on, and gas is discharged from the edge of sucking disc when pressing, forms one from this and has adsorption efficiency, can adsorb electrode assembly at user's head, and electrode assembly is like the state that fig. 3 shows this moment, and the electrode supports and presses on user's scalp. It should be noted here that because the electroencephalogram signal is a relatively weak signal, the hair of the user is generally shaved off when the electroencephalogram is measured, so as to improve the accuracy of measurement, therefore, the electrode device of the utility model can be adsorbed on the scalp of the user. The utility model discloses only reduce the influence to user's comfort level and design to electrode assembly, electrode and external device's the collection of being connected, data and so on all adopt prior art, the utility model discloses do not do the perusal.
When measuring the end and need demolish electrode assembly, directly pull out and can cause uncomfortable sensation to the user, the scalp can have the sensation of drawing, the utility model discloses a solve this problem, can hold the portion of gripping and upwards stimulate simultaneously and draw the knot, when the state as shown in fig. 4, the through-hole switches on with the recess to switch on depressed area and outside, as shown in the arrow mark, in gaseous can entering into the depressed area, can be convenient remove electrode assembly's absorption.
Based on the above statement, the electrode of the present invention can be conveniently disposed on the scalp of the user, and more importantly, the electrode can be conveniently released without causing uncomfortable drawing feeling to the user.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "circumferential", and the like indicate orientations or positional relationships based on those 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 referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (4)
1. An electrode device for electroencephalogram measurement, having a main body (1) and a grip portion (2) provided above the main body (1), characterized in that: the main body (1) is in a spherical structure, the lower part of the main body is arranged into a plane, and the periphery of the lower part is provided with a sucker (3).
2. The electrode device for electroencephalogram measurement according to claim 1, characterized in that: the electrode holder is characterized in that a depressed area (4) is formed in the lower portion of the main body (1), the suckers (3) are arranged around the depressed area (4), electrodes (10) are arranged in the depressed area (4), and the electrodes (10) are mounted on the electrode mounting frame (9).
3. The electrode device for electroencephalogram measurement according to claim 1, characterized in that: a through hole (16) is formed in the main body (1), the electrode mounting frame (9) can move in the main body (1), and a groove (11) which is communicated with the through hole (16) when the electrode mounting frame (9) moves to the upper side is formed in the electrode mounting frame (9).
4. An electrode cap characterized in that: use of an electrode device for electroencephalography as claimed in any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221588349.8U CN217886025U (en) | 2022-06-24 | 2022-06-24 | Electrode device and electrode cap for electroencephalogram measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221588349.8U CN217886025U (en) | 2022-06-24 | 2022-06-24 | Electrode device and electrode cap for electroencephalogram measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217886025U true CN217886025U (en) | 2022-11-25 |
Family
ID=84132839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221588349.8U Expired - Fee Related CN217886025U (en) | 2022-06-24 | 2022-06-24 | Electrode device and electrode cap for electroencephalogram measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217886025U (en) |
-
2022
- 2022-06-24 CN CN202221588349.8U patent/CN217886025U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221125 |