CN114983423A - Electroencephalogram cap fixing device and electroencephalogram cap - Google Patents
Electroencephalogram cap fixing device and electroencephalogram cap Download PDFInfo
- Publication number
- CN114983423A CN114983423A CN202210826574.9A CN202210826574A CN114983423A CN 114983423 A CN114983423 A CN 114983423A CN 202210826574 A CN202210826574 A CN 202210826574A CN 114983423 A CN114983423 A CN 114983423A
- Authority
- CN
- China
- Prior art keywords
- cap
- helmet shell
- air
- electroencephalogram
- air bag
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/251—Means for maintaining electrode contact with the body
- A61B5/256—Wearable electrodes, e.g. having straps or bands
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/291—Bioelectric electrodes therefor specially adapted for particular uses for electroencephalography [EEG]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/369—Electroencephalography [EEG]
- A61B5/386—Accessories or supplementary instruments therefor
Abstract
The invention discloses an electroencephalogram cap fixing device and an electroencephalogram cap, and the electroencephalogram cap fixing device comprises a helmet assembly and an air bag assembly, wherein the helmet assembly comprises a helmet shell and a fixing bandage connected with the helmet shell, the air bag assembly comprises an air bag body and an inflation part, the air bag body is positioned on the inner side of the helmet shell, is provided with an inflation hole and comprises a plurality of air chambers, and the air chambers are communicated with one another. In the technical scheme of the invention, the helmet shell is fixed on the head to be tested through the fixing bandage, the air bag body positioned between the helmet shell and the electroencephalogram cap is inflated through the inflation hole by the inflation component to enable the air bag body to expand so as to apply pressure to the electroencephalogram cap, and the air bag body comprises a plurality of air chambers which are communicated with one another, so that the air pressure of each part in the air chamber of the air bag body is consistent, the pressure of each electrode of the electroencephalogram cap attached to the scalp is the same, the impedance between the electrodes is basically consistent, and the reliability of the test data acquired by the electrodes is further ensured.
Description
Technical Field
The invention relates to the technical field of electroencephalogram signal monitoring, in particular to an electroencephalogram cap fixing device and an electroencephalogram cap.
Background
With the continuous development of science and technology, the electroencephalogram technology gradually enters the visual field of people; the electroencephalogram technology has two major branches, one is an electroencephalogram monitoring technology for acquiring electroencephalogram signals, records the electric wave change during brain activity, and is the overall reflection of the electrophysiological activity of brain nerve cells on the surface of a cerebral cortex or scalp; the other is an electroencephalogram stimulation technology for stimulating specific areas of the brain, and electric pulses are used for stimulating specific parts in the brain, so that certain neurological diseases can be diagnosed and treated. The two modes can not be separated from each other, the electroencephalogram cap can attach the electrodes to the surface of the brain scalp, and the electroencephalogram cap is a terminal device for acquiring electroencephalogram signals or applying electroencephalogram stimulation.
Because the electroencephalogram technology is realized by acquiring and processing test data through the electrodes by a computer, the quality of the test data can seriously affect the processing result, wherein the largest influence on the test data is the attachment degree of the electrodes, and if the attachment is not good, higher impedance can be generated between the electrodes and the brain scalp; generally, 64-lead electrical caps or even more electrical electrodes are commonly used in laboratories, and the reliability of the obtained test data is greatly reduced due to the fact that impedance differences of different electrodes are too large.
Disclosure of Invention
The invention mainly aims to provide an electroencephalogram cap fixing device, and aims to solve the problem of overlarge impedance difference caused by inconsistent tightness of attaching electrodes of an existing electroencephalogram cap to a scalp.
In order to achieve the above object, the electroencephalogram cap fixing device provided by the invention comprises:
the helmet assembly comprises a helmet shell and a fixing strap connected with the helmet shell; and (c) a second step of,
the gasbag subassembly, including the gasbag body and aerify the part, the gasbag body is located helmet shell's inboard, and be equipped with and aerify the hole to contain a plurality of air chambers, communicate each other between a plurality of air chambers, aerify the part and pass through it gives to aerify the hole the gasbag body aerifys in order to enable the gasbag body inflation.
Optionally, the airbag body is detachably connected to the helmet shell.
Optionally, the airbag body is connected with the helmet shell through a hook and loop fastener.
Optionally, the magic tape comprises two tape segments arranged in an intersecting manner.
Optionally, the inflation component comprises an inflation balloon and a hose communicating the inflation balloon and the balloon body.
Optionally, the number of the inflatable balloons is two, and the number of the flexible tubes is two correspondingly.
Optionally, the airbag module is provided with an air bleed hole and a control means for controlling the opening and closing of the air bleed hole.
Optionally, the air vent and the control component are arranged on the inflation component.
Optionally, the fixing strap is divided into two sections, and a buckle is arranged on one section of the fixing strap in a penetrating manner, so that the two sections of the fixing strap are movably connected.
The invention also provides an electroencephalogram cap, which is provided with an electroencephalogram cap fixing device, and the electroencephalogram cap fixing device comprises:
the helmet assembly comprises a helmet shell and a fixing strap connected with the helmet shell; and the number of the first and second groups,
gasbag subassembly, including the gasbag body and aerify the part, the gasbag body is located helmet shell's inboard, and be equipped with and aerify the hole to contain a plurality of air chambers, communicate each other between a plurality of air chambers, aerify the part and pass through it gives to aerify the hole the gasbag body aerifys in order to enable the gasbag body inflation.
In the technical scheme of the invention, after an experiment is tried to wear the electroencephalogram cap, the electroencephalogram cap fixing device is worn, the fixing bandage bypasses the chin of the experiment to fix the helmet shell on the head of the experiment, and the air bag body between the helmet shell and the electroencephalogram cap is inflated through the inflation hole by the inflation part to expand the air bag body; because helmet shell has obtained fixedly at the head of being tried through the fixing bandage, the inflation of the gasbag body can exert pressure to the brain electricity cap, because the gasbag body includes a plurality of air chambers, and communicate each other between a plurality of air chambers, so the atmospheric pressure at each position in the gasbag body air chamber is unanimous, thereby make the attached pressure in the scalp of each electrode of brain electricity cap the same, guarantee that the impedance between the electrode is unanimous basically, and then guaranteed the reliability of the test data that the electrode was gathered. Meanwhile, the higher the air pressure of the air chamber in the air bag body is, the higher the tightness degree of the electrode attached to the scalp is, so that the impedance can be reduced by properly improving the air pressure of the air chamber in the air bag body by controlling the inflating component, and the reliability of test data is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of an embodiment of a brain cap fixation device provided by the present invention as worn;
FIG. 2 is a schematic view of an airbag assembly in another embodiment of the brain cap attachment apparatus provided in the present invention;
FIG. 3 is a perspective view of the bladder of FIG. 2;
fig. 4 is a schematic diagram of a helmet assembly in another embodiment of the electroencephalogram cap fixing device provided by the present invention.
The reference numbers indicate:
| reference numerals | Name (R) | Reference numerals | Name(s) |
| 1 | |
41 | |
| 2 | |
42 | |
| 3 | |
5 | Magic tape |
| 4 | |
6 | Electrode for electrochemical cell |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
With the continuous development of science and technology, the electroencephalogram technology gradually enters the visual field of people, and because the electroencephalogram technology is realized by acquiring and processing test data through electrodes on an electroencephalogram cap by a computer, the quality of the test data can seriously affect the processing result, wherein the most influence on the test data is the attachment degree of the electrodes, and if the attachment is not good, higher impedance can be generated between the electrodes and the scalp of the brain; generally, 64-conductor caps or even more conductor electrodes are commonly used in laboratories, and the reliability of the obtained test data is greatly reduced due to the fact that impedance differences of different electrodes are too large.
Referring to fig. 1 to 4, in order to solve the above problems, the present invention provides an electroencephalogram cap fixing device, which includes a helmet assembly and an airbag assembly, wherein the helmet assembly includes a helmet shell 1 and a fixing strap 2 connected to the helmet shell 1, the airbag assembly includes an airbag body 3 and an inflation part 4, the airbag body 3 is located inside the helmet shell 1, and is provided with an inflation hole, and includes a plurality of air chambers, the plurality of air chambers are communicated with each other, and the inflation part 4 inflates the airbag body 3 through the inflation hole so as to enable the airbag body 3 to expand. The helmet shell 1 can be made of a lightweight and durable material, such as polystyrene plastic, hard rubber or fiberglass, and those skilled in the art can use other materials to make the helmet shell 1 according to cost and availability. The helmet shell 1 may or may not be transparent, and the transparent helmet shell 1 is beneficial for the experimenter to see the inflation condition of the air bag body 3. The fixing band 2 can be made of non-elastic material, such as nylon band, cotton thread, etc., or elastic material, such as elastic rubber, etc. The airbag body 3 may be made of rubber or plastic, and as long as the good expansion and contraction characteristics of the airbag body 3 can be achieved, those skilled in the art may select other materials for manufacturing.
In the technical scheme of the invention, after an experiment is tried on the electroencephalogram cap, the electroencephalogram cap fixing device is worn, the fixing bandage 2 bypasses the chin of the experiment to fix the helmet shell 1 on the head of the experiment, and the air bag body 3 positioned between the helmet shell 1 and the electroencephalogram cap is inflated by the inflating part 4 through the inflating hole to expand the air bag body 3; because helmet shell 1 has obtained fixedly at the head of being tried through fixing bandage 2, the inflation of gasbag body 3 can exert pressure to the brain electricity cap, because gasbag body 3 includes a plurality of air chambers, and communicate each other between a plurality of air chambers, the atmospheric pressure at each position in the 3 air chambers of gasbag body is unanimous, thereby make the attached pressure in the scalp of each electrode 6 of brain electricity cap the same, guarantee that the impedance between the electrode 6 is unanimous basically, and then guaranteed the reliability of the test data that electrode 6 gathered. Meanwhile, the higher the air pressure of the air chamber in the air bag body 3 is, the higher the tightness degree of the electrode 6 attached to the scalp is, so that the impedance can be reduced by controlling the inflating component 4 to properly increase the air pressure of the air chamber in the air bag body 3, and the reliability of test data is further improved.
In order to facilitate the use of brain electricity cap fixing device, the gasbag body 3 can be installed helmet shell 1's inboard, and the installation form can be fixed mounting (if glue gasbag body 3 with sticky form in helmet shell 1's inboard), also can be demountable installation (if through set up the stereoplasm buckle on gasbag body 3, be equipped with the spout in helmet shell 1's inboard, or set up thin iron sheet on gasbag body 3, set up magnetic stripe etc. in helmet shell 1's corresponding position). In order to facilitate the replacement of the airbag body 3 after damage, in one embodiment of the present invention, the airbag body 3 is detachably connected to the helmet shell 1. Further, in consideration of the manufacturing cost and the ease of use, in still another embodiment of the present invention, the airbag body 3 is connected to the helmet shell 1 by a hook and loop fastener 5. In order to firmly fix the airbag body 3 on the inner side of the helmet shell 1, referring to fig. 4, the magic tape 5 includes two tape segments arranged in an intersecting manner.
The inflation component 4 may include an electric air pump and a hose 42 connecting the electric air pump and an inflation hole on the air bag body 3, or may be an inflation balloon 41 and a hose 42 connecting the inflation balloon 41 and the inflation hole, which is not limited in this embodiment; in view of portability, referring to fig. 1, in an embodiment of the present invention, the inflating unit 4 includes an inflating balloon 41 and a hose 42 communicating the inflating balloon 41 with the balloon body 3. The inflatable balloon 41 may include two one-way valves and two air holes, one of which is connected to the atmosphere, and the hose 42 connects the inflatable balloon 41 to the balloon body 3 through the other air hole, so that the inflatable balloon 41 may be repeatedly pressed to inflate the balloon body 3. In order to shorten the time for inflating the balloon body 3 and thus the time for preparing the experiment, the number of the inflatable balloons 41 may be two, and the number of the flexible tubes 42 may be also two, so that the examinee or the experimenter can use both hands to press the inflatable balloons 41 to inflate the balloon body 3 at the same time.
In order to enable the brain cap fixing device to be used repeatedly, in one embodiment of the invention, the air bag assembly is provided with an air vent and a control component for controlling the air vent to be opened and closed. The air vent can be arranged on the hose 42, and also can be arranged on an electric air pump or an inflatable balloon 41; the control component may be a rubber piston or a threaded valve, which is not limited in this embodiment.
In order to facilitate the convenience of wearing of the electroencephalogram cap fixing device and adapt to heads of testes of different ages, in one embodiment of the invention, the fixing strap 2 is divided into two sections, wherein a buckle is arranged on one section, so that the two sections of the fixing strap 2 are movably connected, and the testees or experimenters can adjust the fixing strap 2 by using the buckle, so that the electroencephalogram cap fixing device adapts to heads of different sizes.
The invention further provides the electroencephalogram cap which comprises the electroencephalogram cap fixing device, the specific structure of the electroencephalogram cap fixing device refers to the embodiment, and the electroencephalogram cap adopts all the technical schemes of all the embodiments, so that at least all the beneficial effects brought by the technical schemes of the embodiments are achieved, and the details are not repeated.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An electroencephalogram cap fixing device, characterized by comprising:
the helmet assembly comprises a helmet shell and a fixing strap connected with the helmet shell; and the number of the first and second groups,
the gasbag subassembly, including the gasbag body and aerify the part, the gasbag body is located helmet shell's inboard, and be equipped with and aerify the hole to contain a plurality of air chambers, communicate each other between a plurality of air chambers, aerify the part and pass through it gives to aerify the hole the gasbag body aerifys in order to enable the gasbag body inflation.
2. The brain cap attachment device of claim 1, wherein said air bladder is removably attached to said helmet shell.
3. The brain wave cap fixing device according to claim 2, wherein the air bag body is connected with the helmet shell through a magic tape.
4. The brain cap fixation device of claim 3, wherein said magic tape comprises two tape segments in an intersecting arrangement.
5. The brain cap fixation device of claim 1, wherein said inflation component comprises an inflatable balloon and a hose communicating said inflatable balloon with said balloon body.
6. The brain cap fixation device according to claim 5, wherein said inflatable balloons are provided in two, and said hoses are correspondingly provided in two.
7. The brain cap fixation device according to claim 1, wherein said air bag module is provided with an air vent and a control means for controlling the opening and closing of said air vent.
8. The brain cap fixation device of claim 7 wherein said vent and said control means are disposed on said inflatable means.
9. The brain cap fixation device of claim 1, wherein said fixation strap is divided into two sections, one of which is threaded with a buckle to allow the two sections of said fixation strap to be movably connected.
10. An electroencephalogram cap, characterized in that the electroencephalogram cap is provided with the electroencephalogram cap fixing device as set forth in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210826574.9A CN114983423A (en) | 2022-07-14 | 2022-07-14 | Electroencephalogram cap fixing device and electroencephalogram cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210826574.9A CN114983423A (en) | 2022-07-14 | 2022-07-14 | Electroencephalogram cap fixing device and electroencephalogram cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114983423A true CN114983423A (en) | 2022-09-02 |
Family
ID=83021988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210826574.9A Pending CN114983423A (en) | 2022-07-14 | 2022-07-14 | Electroencephalogram cap fixing device and electroencephalogram cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114983423A (en) |
-
2022
- 2022-07-14 CN CN202210826574.9A patent/CN114983423A/en active Pending
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