CN217219032U

CN217219032U - Electroencephalogram cap

Info

Publication number: CN217219032U
Application number: CN202220311214.0U
Authority: CN
Inventors: 贺威忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-08-19
Anticipated expiration: 2032-02-16

Abstract

The utility model provides an electroencephalogram cap belongs to electroencephalogram signal acquisition device technical field, include: the cap body is of a net-shaped elastic structure and is provided with a plurality of mounting holes; a plurality of mounting seats; and a plurality of gel bioelectrical signal sensors; wherein, mount pad and gel bioelectricity signal sensor can dismantle the connection, and set up on the mounting hole corresponding to the outside and inboard of cap body respectively. The electroencephalogram cap can be worn by different individuals, the gel can be always kept in contact with the scalp under the action of elasticity, and signal transmission cannot be influenced by shrinkage of the volume of the gel; the installation of a large number of gel bioelectric signal sensors can be realized, and the gel bioelectric signal sensors are easy to install and detach on the cap body; the gel bioelectricity signal sensor is used only by wetting gel with saline water, and has the advantages of convenient use, good biocompatibility and good user comfort, and the scalp does not need to be cleaned after use.

Description

Electroencephalogram cap

Technical Field

The utility model belongs to the technical field of brain electrical signal collection system, concretely relates to brain electrical cap.

Background

In the past, electroencephalogram electrode plates are generally used when electroencephalogram signals are collected. Before collection, a tested person needs to wash hair, after the electrode plates are attached to the scalp, conductive paste is injected between each electrode plate and the scalp, and the contact resistance of each electrode plate and the scalp is reduced one by observing an impedance detection interface screen of electroencephalogram collection software, so that a good electroencephalogram signal is obtained. The conductive paste is used for wetting the electrode plate and the scalp on one hand, and filling the gap between the electrode plate and the scalp on the other hand, so that the contact surface between the electrode plate and the scalp is improved, and the impedance of the electrode is reduced. However, the method needs to wash the head again to wash off the conductive paste after use, which is very inconvenient, and the fixation of the traditional electroencephalogram electrode plate is difficult to operate. At present, the conductive gel is used for replacing conductive paste, and the gel has good biocompatibility, is soft, comfortable to wear, good in impedance and convenient to use, but is easy to dehydrate and dry, has shrunk volume, is easy to be separated from being in contact with scalp, and influences the signal acquisition.

SUMMERY OF THE UTILITY MODEL

The utility model is carried out for solving the above problems, and aims to provide an electroencephalogram cap.

The utility model provides an electroencephalogram cap, which has the following characteristics: the cap body is of a net-shaped elastic structure and is provided with a plurality of mounting holes; a plurality of mounting seats; and a plurality of gel bioelectrical signal sensors; wherein, mount pad and gel bioelectricity signal sensor can dismantle the connection, and set up on the mounting hole corresponding to the outside and inboard of cap body respectively.

The utility model provides an among the brain electricity cap, can also have such characteristic: the cap body includes many elasticity rubber bands and a plurality of ring body, and many elasticity rubber bands are netted distribution, and a plurality of ring bodies set up a plurality of intersections between many elasticity rubber bands respectively, and the end connection of many elasticity rubber bands of every ring body and place intersection, the centre bore of ring body are the mounting hole.

Further, a plurality of elastic rubber bands and a plurality of ring bodies are integrally formed.

The utility model provides an among the brain electricity cap, can also have such characteristic: the gel bioelectrical signal sensor comprises a shell, an electrode and gel, wherein the shell is in a button shape and is provided with a hollow inner cavity, the surface of one side of the shell is provided with an opening communicated with the inner cavity, the surface of the other side of the shell is provided with an installation opening communicated with the inner cavity, the electrode is installed in the installation opening and is provided with a buckle protruding out of the surface of the other side of the shell, and the gel is arranged in the inner cavity of the shell and is in contact with the electrode; a clamping groove matched with the buckle is arranged in the mounting seat.

Further, the casing is circular button form, and the opening is opened by one side surface of casing and is formed, and the installing port is circular, and sets up in the middle of the opposite side surface of casing.

Further, the catch is integrally formed by a portion of the electrode. Or the electrode is of a split structure and comprises an electrode body and a buckle, and the electrode body and the buckle are clamped with the mounting port.

Further, the shell is a plastic shell, and the gel is elastic conductive gel.

The utility model provides an among the brain electricity cap, can also have such characteristic: the mounting seat and the gel bioelectricity signal sensor are mounted on the mounting hole in a mutually clamping manner.

The utility model provides an among the brain electricity cap, can also have such characteristic: the mounting seat is detachably mounted on the mounting hole.

Action and effect of the utility model

According to the utility model, compared with the prior art, the electroencephalogram cap adopts the cap body with the net-shaped elastic structure, so that the electroencephalogram cap can be worn and used by different individuals, and the gel can be always kept in contact with the scalp under the action of the elastic force, and the signal transmission cannot be influenced by the shrinkage of the volume of the gel; the cap body is provided with a plurality of mounting holes, so that a large number of gel bioelectric signal sensors can be mounted, each mounting seat and each gel bioelectric signal sensor are detachably connected with each other, and when the cap body is mounted, the mounting seats and the gel bioelectric signal sensors are respectively mounted on the mounting holes corresponding to the outer side and the inner side of the cap body, so that the electroencephalogram cap is easy to mount and dismount the gel bioelectric signal sensors on the cap body, and is convenient and fast to operate; because the gel bioelectricity signal sensor is adopted, the gel is wetted by saline water when the electroencephalogram cap is used, the electroencephalogram cap is convenient to use, good in biocompatibility and good in user comfort, and the scalp does not need to be cleaned after the electroencephalogram cap is used.

Drawings

Fig. 1 is a schematic structural diagram of an electroencephalogram cap in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a gel bioelectrical signal sensor in a top view according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a gel bioelectrical signal sensor in a bottom view according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of the cap, the mounting seat, and the gel bioelectrical signal sensor according to the embodiment of the present invention.

Description of the reference numerals:

100 brain electrical cap; 10 a cap body; 11 elastic rubber band; 12 a ring body; 20 mounting seats; 30 a gel bioelectrical signal sensor; 31 a housing; 311 is provided with an opening; 312 mounting openings; 32 electrodes; 321 are snapped.

Detailed Description

In order to make the technical means, creation features, achievement purposes and effects of the present invention easy to understand, the following embodiments are specifically illustrated in conjunction with the accompanying drawings.

Examples

Fig. 1 is a structural schematic diagram of an electroencephalogram cap.

As shown in fig. 1, the present embodiment provides an electroencephalogram cap 100, including a cap body 10, a plurality of mounting seats 20, and a plurality of gel bioelectrical signal sensors 30.

The cap body 10 is of a net-shaped elastic structure, which is convenient to adjust, can be suitable for different individuals, and is convenient for installing the mounting seat 20 and the gel bioelectric signal sensor 30. Specifically, the cap body 10 includes many elasticity rubber bands 11 and a plurality of rings 12, and many elasticity rubber bands 11 are netted distribution, and a plurality of rings 12 set up a plurality of junctions between many elasticity rubber bands 11 respectively to every ring 12 is connected with the end of the many elasticity rubber bands 11 of place junction. The central hole of the ring body 12 is a mounting hole for mounting the mounting seat 20 and the gel bioelectrical signal sensor 30. In this embodiment, the plurality of elastic rubber bands 11 and the plurality of rings 12 are integrally formed using a polyurethane material.

The mounting base 20 is a base body adapted to the gel bioelectric signal sensor 30, and is used for connecting the gel bioelectric signal sensor 30 and an electric wire externally connected with an electroencephalogram signal acquisition device. The mounting seat 20 is detachably connected with the gel bioelectric signal sensor 30, and a clamping groove for clamping the gel bioelectric signal sensor 30 is arranged in the mounting seat 20.

Fig. 2 is a schematic structural view of the gel bioelectrical signal sensor in a top view, and fig. 3 is a schematic structural view of the gel bioelectrical signal sensor in a bottom view.

As shown in fig. 2 and 3, the gel bioelectrical signal sensor 30 includes a housing 31, an electrode 32, and a gel, which is not shown in the figure.

The shell 31 is in the shape of a button body, and has a hollow inner cavity, and the shape of the button body can be circular, oval or other shapes in the prior art. An opening 311 communicating with the inner cavity is formed on one side surface of the housing 31, and a mounting opening 312 communicating with the inner cavity is formed on the other side surface. In this embodiment, the housing 31 is a plastic housing and is in the shape of a circular button; the opening 311 is formed by one side surface of the housing 31 being opened; the mounting opening 312 is circular and is centrally disposed on the other side surface of the housing 31.

The electrode 32 is installed in the installation opening 312 of the housing 31, and the electrode 32 is provided with a latch 321 protruding from the other side surface of the housing 31, and the latch 321 is matched with the slot of the installation seat 20. In this embodiment, the catch 321 is integrally formed by a portion of the electrode 32, and the catch 321 and the electrode 32 are of a unitary structure. In addition, electrode 32 also can be split type structure, including electrode body and buckle 321, electrode body and buckle 321 all with installing port 312 joint, the electrode body can choose for use conventional, easily obtained electrode like this, like the silver/silver chloride electrode of lamellar form, buckle 321 then can obtain through separate processing.

The gel is disposed in the interior cavity of the housing 31, the gel contacting the electrodes 32 and protruding beyond the opening 311 for contact with the skin. In this embodiment, the gel is an elastic conductive gel, which is medical and conductive.

FIG. 4 is a schematic cross-sectional view of the cap, mounting base, and mounting of a gel bioelectrical signal sensor.

In this embodiment, as shown in fig. 4, the mounting seat 20 and the gel bioelectrical signal sensor 30 are mounted on the mounting hole by engaging the engaging groove and the engaging clip 321, and the mounting seat 20 and the gel bioelectrical signal sensor 30 are held on the ring body 12. In addition, the mounting seat 20 can be detachably inserted into the mounting hole in advance, which further simplifies the operation of mounting the gel bioelectrical signal sensor 30 on the cap body 10.

When the electroencephalogram cap 100 of the present embodiment is used, first, one mounting seat 20 and one gel bioelectrical signal sensor 30 are respectively disposed on the mounting hole of one ring body 12 corresponding to the outer side and the inner side of the cap body 10, and the ring body 12 is clamped by means of mutual clamping, so that all the mounting seats 20 and the gel bioelectrical signal sensors 30 are mounted on the cap body 10. The gels of the respective gel bioelectrical signal sensors 30 may be simultaneously wetted with saline. Then, the cap body 10 is worn on the head of the user, and is adjusted by being bound on the chin through the extended rubber band, so that fastening is realized, and the adhesion of each gel bioelectrical signal sensor 30 to the scalp is ensured. Then, the wire of the electroencephalogram signal acquisition device is externally connected to each mounting seat 20, so that the electroencephalogram signal acquisition can be performed.

After use, the gel bioelectric signal sensor 30 can be easily detached from the cap body 10 without washing the scalp.

Effects and effects of the embodiments

According to the electroencephalogram cap provided by the embodiment, as the cap body with the net-shaped elastic structure is adopted, the electroencephalogram cap can be worn and used by different individuals; because the cap body is provided with a plurality of mounting holes, the mounting seat and the gel bioelectric signal sensor are detachably connected with each other, and when the cap body is mounted, the mounting seat and the gel bioelectric signal sensor are respectively mounted on the mounting holes corresponding to the outer side and the inner side of the cap body, the electroencephalogram cap is easy to mount and dismount the gel bioelectric signal sensor on the cap body, and is convenient and fast to operate; because the gel bioelectricity signal sensor is adopted, the gel is wetted by saline water when the electroencephalogram cap is used, the electroencephalogram cap is convenient to use, good in biocompatibility and good in user comfort, and the scalp does not need to be cleaned after the electroencephalogram cap is used.

Wherein, the mode of mount pad and the mutual joint of gel bioelectricity signal sensor accessible is installed on the mounting hole, and the mount pad also detachably inlays in advance on the mounting hole, has all simplified the operation of installation gel bioelectricity signal sensor on the cap body.

The cap body can be formed by a plurality of elastic rubber bands and a plurality of ring bodies, and is easy to manufacture.

Gel bioelectric signal sensor is including being the button body form and having the casing of cavity inner chamber, the inner chamber of this casing disposes the gel, a side surface of casing is equipped with the opening, the opposite side surface is equipped with the installing port and installs the electric level, one side and the gel contact of the corresponding inner chamber of this electric level, the opposite side is equipped with the buckle of protruding in casing opposite side surface, during the use with the moist gel of salt solution can, so, this gel bioelectric signal sensor small in size, although signal quality is not as good as the traditional electroencephalogram electrode with conductive paste, but biocompatibility is good, need not to wash skin after the use, it is very convenient.

Furthermore, the shell, the upper opening and the mounting opening of the shell are designed to be circular, and the shell is easy to mold and process.

Further, the electrode and the buckle thereof can be integrally formed or can be of a split structure which is convenient to process.

The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention.

Claims

1. An electroencephalogram cap, comprising:

the cap body is of a net-shaped elastic structure and is provided with a plurality of mounting holes;

a plurality of mounting seats; and

a plurality of gel bioelectrical signal sensors;

the mounting seat is detachably connected with the gel bioelectric signal sensor and is arranged on the mounting hole corresponding to the outer side and the inner side of the cap body respectively.

2. The brain electrical cap of claim 1, wherein:

wherein the cap body comprises a plurality of elastic rubber bands and a plurality of ring bodies,

a plurality of the elastic rubber bands are distributed in a net shape,

the ring bodies are arranged at a plurality of intersections between the elastic rubber bands respectively, each ring body is connected with the ends of the elastic rubber bands at the intersections, and the central holes of the ring bodies are the mounting holes.

3. The brain electrical cap of claim 2, wherein:

wherein the plurality of elastic rubber bands and the plurality of ring bodies are integrally formed.

4. The brain electrical cap of claim 1, wherein:

wherein the gel bioelectrical signal sensor comprises a shell, an electrode and gel,

the shell is in a button shape and is provided with a hollow inner cavity, the surface of one side of the shell is provided with an opening communicated with the inner cavity, the surface of the other side of the shell is provided with a mounting hole communicated with the inner cavity,

the electrode is arranged in the mounting opening and is provided with a buckle protruding out of the other side surface of the shell,

the gel is arranged in the inner cavity of the shell and is in contact with the electrode;

and a clamping groove matched with the buckle is arranged in the mounting seat.

5. The electroencephalogram cap of claim 4, wherein:

wherein the shell is in a round button shape,

the opening is formed by one side surface of the housing being open,

the mounting port is circular, and is in the opposite side surface setting centrally of casing.

6. The brain wave cap according to claim 4, wherein:

wherein the clasp is integrally formed from portions of the electrode.

7. The electroencephalogram cap of claim 4, wherein:

wherein the electrode is of a split structure and comprises an electrode body and the buckle,

the electrode body with the buckle all with the installing port joint.

8. The electroencephalogram cap of claim 4, wherein:

wherein the shell is a plastic shell,

the gel is an elastic conductive gel.

9. The electroencephalogram cap according to any one of claims 1 to 8, which is characterized in that:

the mounting seat and the gel bioelectric signal sensor are mounted on the mounting hole in a mutually clamping manner.

10. The electroencephalogram cap according to any one of claims 1 to 8, which is characterized in that:

wherein the mounting seat is detachably mounted on the mounting hole.