CN216854687U - Novel half-dry brain electrode - Google Patents
Novel half-dry brain electrode Download PDFInfo
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- CN216854687U CN216854687U CN202122799441.0U CN202122799441U CN216854687U CN 216854687 U CN216854687 U CN 216854687U CN 202122799441 U CN202122799441 U CN 202122799441U CN 216854687 U CN216854687 U CN 216854687U
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Abstract
The utility model discloses a novel half-dry brain electrode, which comprises a snap fastener connecting piece, a first electrode and a second electrode, wherein the snap fastener connecting piece is used for transmitting signals; one end of the electrode main body is connected with the snap fastener connecting piece, the electrode main body is provided with a material storage cavity, and liquid electrolyte is arranged in the material storage cavity; the movable part is connected to the other end of the electrode main body and movably clamped at the outlet of the material storage cavity; when the movable piece is extruded, the storage cavity is communicated with the outside, and the liquid electrolyte flows out. The utility model does not need the assistance of outsiders to smear the conductive paste like a wet electrode, thereby reducing the operation time and being more convenient to use; the contact resistance is not large or the biocompatibility is poor like a dry electrode, so that the information acquisition effect is better.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of medical instruments, in particular to a novel half-dry brain electrode.
[ background of the utility model ]
The conventional brain electrodes are mainly divided into dry electrodes, semi-dry electrodes and wet electrodes.
Wherein wet electrode need use the conductive paste at the in-process of gathering the brain electricity to reduce the influence of stratum corneum to the brain electricity signal of gathering, nevertheless paint the conductive paste and need go on under the assistance of other people, need spend longer time, and the use of conductive paste can lead to a lot of problems, if the conductive paste drys up and causes the brain electricity easily and gather the distortion, wet electrode arranges too closely and probably causes the short circuit phenomenon.
The dry electrode does not need to use liquid electrolyte, and is mainly divided into a non-invasive dry electrode, a micro-needle electrode and the like, wherein the non-invasive dry electrode has higher contact impedance and low electroencephalogram signal quality. The microneedle electrode can penetrate through the stratum corneum of the skin and reach the stratum corneum, the acquired electroencephalogram signal is high, but the microneedle is easy to break, and the biocompatibility of the microneedle is poor.
[ Utility model ] content
The utility model provides a novel semi-dry brain electrode, which not only can solve the problem of inconvenient use of a wet electrode, but also can solve the problem of poor acquisition effect of a dry electrode.
The utility model is realized by the following technical scheme:
a novel semi-dry brain electrode comprising:
the snap fastener connecting piece transmits signals;
one end of the electrode main body is connected with the snap fastener connecting piece, the electrode main body is provided with a material storage cavity, and liquid electrolyte is arranged in the material storage cavity;
the movable part is connected to the other end of the electrode main body and movably clamped at the outlet of the material storage cavity;
when the extrusion when the moving part, the storage cavity communicates with the outside, and liquid electrolyte flows out.
The novel half-dry brain electrode is characterized in that the electrode main body is conical, and the bottom surface of the electrode main body is connected with the snap fastener connecting piece.
According to the novel half-dry brain electrode, the outlet of the storage cavity is arranged at the vertex of the electrode main body.
The novel semi-dry brain electrode according to claim, wherein the storage cavity is cylindrical and has an inner diameter larger than the movable member.
According to the novel half-dry brain electrode, the outlet of the storage cavity is provided with the concave arc section, the inner diameter of the concave arc section is smaller than that of the moving part, the moving part is clamped, and the storage cavity is sealed.
The novel semi-dry brain electrode is characterized in that the moving piece is a sliding bead.
According to the novel half-dry brain electrode, the moving piece is filled with hydrogel or conductive silica gel.
The novel semi-dry brain electrode as described above, the liquid electrolyte is physiological saline or conductive paste.
The novel half-dry brain electrode is characterized in that the electrode body is a conductive silica gel structure.
As the novel half-dry brain electrode, the snap-fastener connecting piece is provided with the connecting head and the connecting base, the connecting base is disc-shaped and is connected with the bottom surface of the electrode main body, and the connecting head is connected with the connecting base.
Compared with the prior art, the utility model has the following advantages:
the utility model provides a novel half-dry brain electrode, wherein when the brain electrode is not used, the sliding beads block the outlet of a storage cavity to prevent liquid electrolyte in the storage cavity from flowing out. In the use, when the slip pearl receives the extrusion, because the inside diameter of storage cavity is greater than the slip pearl, so the slip pearl can toward the inside removal of storage cavity, at this moment in the storage cavity the liquid electrolyte flows out, does not need the supplementary electrically conductive cream of paining of other people, has reduced operating time.
Because in the sliding bead extrusion process, the liquid electrolyte in the storage cavity can flow out in real time, the phenomenon of electroencephalogram acquisition distortion caused by dry conductive paste in wet electrode application is avoided, and the phenomenon of short circuit possibly caused by too close arrangement of wet electrodes is avoided because the conductive paste is not required to be coated.
The sliding beads are hydrogel or conductive silica gel filling particles, the electrode main body is a conductive silica gel structure, the snap fastener connecting piece is a metal piece, and an auxiliary liquid electrolyte is also arranged, so that the contact impedance is low, and the electroencephalogram signal quality is high. And the sliding bead is contacted with the skin, so that the sliding bead cannot penetrate the skin like a microneedle electrode and is easy to break, and the biocompatibility is poor.
The utility model does not need to be coated with conductive paste like a wet electrode, so the use is more convenient; the contact resistance is not large or the biocompatibility is poor like a dry electrode, so that the information acquisition effect is better.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of an electrode body of the present invention;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is a cross-sectional view of the moveable member of the present invention as it moves;
description of reference numerals: 100. a snap fastener connection; 101. a connector; 102. connecting a base; 200. an electrode body; 201. a material storage cavity; 202. an inwardly concave arc section; 203. a bottom surface; 204. a liquid electrolyte; 300. and a movable member.
[ detailed description ] of the utility model
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the utility model.
When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the words are used for distinguishing between them unless the context clearly dictates otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Detailed description of the preferred embodimentsa novel semi-dry electroencephalograph, as shown in fig. 1 to 5, includes a snap connector 100, which is a metal member, for transmitting collected signals; the electrode body 200 is connected with the snap fastener connecting piece 100 at one end, the electrode body 200 is provided with a storage cavity 201, and a liquid electrolyte 204 is arranged in the storage cavity 201; the movable piece 300 is connected to the other end of the electrode main body 200 and is movably clamped at the outlet of the material storage cavity 201; when the movable piece 300 is pressed, the storage cavity 201 is communicated with the outside, and the liquid electrolyte 204 flows out.
Further, the electrode main body 200 is conical, and the bottom surface 203 thereof is connected to the snap connection member 100. The outlet of the storage cavity 201 is arranged at the vertex of the electrode main body 200.
Further, the storage cavity 201 is cylindrical, and the inner diameter of the storage cavity is larger than that of the movable member 300. The outlet of the storage cavity 201 is provided with an inward concave arc section 202, the inner diameter of the inward concave arc section is smaller than that of the moving member 300, the moving member 300 is clamped, and the storage cavity 201 is sealed.
Specifically, the moving member 300 is a sliding bead made of hydrogel or conductive silica gel filled particles. The liquid electrolyte 204 is normal saline or conductive paste. The electrode body 200 is a conductive silica gel structure, and is helpful for signal acquisition.
In addition, the snap connector 100 has a connector 101 and a connector base 102, the connector base 102 is connected to the bottom surface 203 of the electrode main body 200, and the connector base 102 has a disk shape, so that a contact area between the connector base and the electrode main body 200 is increased, thereby facilitating signal collection. The connector 101 is a sphere and is connected to the connection base 102.
When the utility model is not used, the movable piece 300 seals the outlet of the storage cavity 201 to prevent the liquid electrolyte 204 in the storage cavity 201 from flowing out. In the use, the extrusion moving part 300, because the storage cavity 201 internal diameter is greater than moving part 300, so moving part 300 can toward storage cavity 201 is inside to be removed, at this moment storage cavity 201 and outside intercommunication, storage cavity 201 is inside liquid electrolyte 204 flows out the contact skin, has improved the data acquisition effect.
Compared with the prior art, the utility model has the following advantages:
the utility model provides a novel semi-dry brain electrode, when the novel semi-dry brain electrode is not used, the liquid electrolyte is stored in the storage cavity 201, when the sliding bead is extruded in the use process, the liquid electrolyte in the storage cavity 201 flows out, no conductive paste is coated by others, and the operation time is reduced.
Because in the use, the liquid electrolyte in the storage cavity 201 can flow out in real time, so do not have the dry phenomenon that leads to the fact the EEG collection distortion of conductive paste in the wet electrode application, because need not scribble conductive paste, so avoided like wet electrode arrange too closely probably the short circuit phenomenon that leads to the fact.
The sliding beads are hydrogel or conductive silica gel filling particles, the electrode main body 200 is a conductive silica gel structure, the snap fastener connecting piece 100 is a metal piece, and an auxiliary liquid electrolyte 204 is arranged, so that the contact impedance is low, and the electroencephalogram signal quality is high. And the sliding bead is contacted with the skin, cannot penetrate the skin like a micro-needle electrode, is easy to break, and has poor biocompatibility.
The utility model does not need to be coated with the conductive paste like a wet electrode, so the use is more convenient; the contact resistance is not large or the biocompatibility is poor like a dry electrode, so that the information acquisition effect is better.
The above description is provided in connection with specific embodiments, and the embodiments of the present invention are not limited to these descriptions, and the present invention is not limited to the above nomenclature and the English nomenclature since the trade nomenclature is different. Similar or identical methods, structures and the like as those of the present invention or several technical deductions or substitutions made on the premise of the conception of the present invention should be considered as the protection scope of the present invention.
Claims (10)
1. A novel semi-dry brain electrode, comprising:
a snap connector (100) for transmitting signals;
the electrode body (200) is connected with the snap-fastener connecting piece (100) at one end, the electrode body (200) is provided with a storage cavity (201), and liquid electrolyte (204) is arranged in the storage cavity (201);
the movable piece (300) is connected to the other end of the electrode main body (200) and movably clamped at the outlet of the material storage cavity (201);
when the movable piece (300) is pressed, the storage cavity (201) is communicated with the outside, and the liquid electrolyte (204) flows out.
2. The novel semi-dry brain electrode according to claim 1, wherein the electrode main body (200) is a cone, and the bottom surface (203) thereof is connected with the snap connector (100).
3. The novel semi-dry brain electrode according to claim 2, wherein the outlet of the storing cavity (201) is provided at the vertex of the electrode main body (200).
4. The novel semi-dry brain electrode according to claim 3, wherein the storage cavity (201) is cylindrical with an inner diameter larger than the movable member (300).
5. The novel semi-dry brain electrode according to claim 4, wherein the outlet of the storing cavity (201) is provided with a concave arc section (202) with an inner diameter smaller than that of the moving member (300) to clamp the moving member (300) and seal the storing cavity (201).
6. The novel semi-dry brain electrode according to claim 5, wherein the moving member (300) is a sliding bead.
7. The novel semi-dry brain electrode according to claim 6, wherein the moving member (300) is a hydrogel or conductive silicone filled particles.
8. A novel semi-dry brain electrode according to claim 1, wherein the liquid electrolyte (204) is physiological saline or conductive paste.
9. The novel semi-dry brain electrode according to claim 3, wherein the electrode main body (200) is a conductive silicon structure.
10. The novel semi-dry brain electrode according to claim 2, wherein the snap connector (100) has a connector (101) and a connection base (102), the connection base (102) is shaped like a disk and is connected to the bottom surface (203) of the electrode main body (200), and the connector (101) is connected to the connection base (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122799441.0U CN216854687U (en) | 2021-11-15 | 2021-11-15 | Novel half-dry brain electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122799441.0U CN216854687U (en) | 2021-11-15 | 2021-11-15 | Novel half-dry brain electrode |
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| Publication Number | Publication Date |
|---|---|
| CN216854687U true CN216854687U (en) | 2022-07-01 |
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| CN202122799441.0U Active CN216854687U (en) | 2021-11-15 | 2021-11-15 | Novel half-dry brain electrode |
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| CN (1) | CN216854687U (en) |
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2021
- 2021-11-15 CN CN202122799441.0U patent/CN216854687U/en active Active
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