CN213722007U

CN213722007U - Electroencephalogram electrode cap

Info

Publication number: CN213722007U
Application number: CN202021626917.XU
Authority: CN
Inventors: 陈妙
Original assignee: Second People's Hospital Of Lishui
Current assignee: Second People's Hospital Of Lishui
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-07-20
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses an electroencephalogram electrode cap, the helmet comprises a helmet body, the cap body is including the cap body and set up in the cap of cap body lower limb and enclose, evenly be provided with a plurality of electrode mounting grooves on the cap body, movable mounting has the electrode post in the electrode mounting groove, the electrode post runs through to set up in the cap body. The electroencephalogram electrode cap comprises a cap body for mounting the electrode column and a user head for positioning the cap body, so that the cap body is prevented from loosening or falling off. The electrode position is accurately positioned by adjusting the position of the electrode column on the electrode mounting groove of the cap body. The utility model provides an electroencephalogram electrode cap compact structure, electrode positioning is accurate, and wears the back and steadily fixes the cap body in user's head through the cap enclosure, avoids the cap body skew to appear in user's action, effectively promotes electrode acquisition signal's stability.

Description

Electroencephalogram electrode cap

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to an electroencephalogram electrode cap.

Background

The electroencephalogram cap is an accessory connected with the head of a human body in electroencephalogram monitoring, the traditional electroencephalogram cap is made of rubber strips, the size and the shape of the electrode cap are pulled and adjusted every time due to the individual difference of the head of a patient, the working efficiency of a doctor is influenced, in addition, the general position can be roughly estimated only according to the rule of 10-20 when the electroencephalogram electrode is placed, the head of each person is different in size, the measurement is inconvenient to be carried out by using scale scales, the electrode cannot be accurately and quantitatively placed, so that the collected graph is not necessarily the corresponding position required by a system, and the diagnosis effect is influenced; and the electrode cap is fixed through a rubber belt or an elastic belt, so that the fixing belt is easy to deform after long-term use, the electrode cap is relatively loose in fixation, and the brain electrodes are easy to fall off.

For example, the publication of "an electroencephalogram signal cap-shaped electrode capable of being adjusted at will" in Chinese patent literature, the publication number "CN 209091378U" includes an interweaving cap body, a lower jaw fixing rubber band, an electrode wire gathering end and a conductive liquid channel group; the interweaved hat body is formed by closely interweaving a hat band and a plurality of interweaved rubber bands; the conductive liquid channel group is arranged outside the interweaving cap body, consists of a plurality of conductive liquid channels and is provided with a conductive liquid channel fastener; the magic tape is turned outwards to fix the interweaved rubber band on the hat band; the lower jaw fixing rubber band is in a structure shaped like a Chinese character 'kou'; a silica gel edge, an electrode plate buckle, an electrode plate and an electrode wire are arranged on the inner side of the electroencephalogram signal acquisition part corresponding to the interwoven rubber band; the electrode wires are respectively connected with the electrode plates, and the outer rings of the electrode plate buckles are provided with silica gel edges; the conducting liquid channel is positioned outside the interwoven rubber band and is connected with the small hole in the center of the electrode plate; the electrode wires are arranged in the double-layer hard rubber band of the interwoven rubber band, all the electrode wires are gathered at the electrode wire gathering end, and all the electrode wires use insulating coats of different colors and are consistent with the corresponding electrode plate buckle colors. Although the brain wave signals can be accurately collected by the soft electrode cap, the soft electrode cap still has the problems of inconvenient wearing and easy looseness and falling of the cap body in the collection process, therefore, the utility model provides an electroencephalogram electrode cap.

Disclosure of Invention

To the wearing inconvenience that the radio wave electrode cap exists among the prior art who mentions among the background art, the difficult location of the back cap body of wearing leads to the unsafe problem of electrode position, the utility model provides an electroencephalogram electrode cap realizes the accurate positioning of electrode position through adjusting the position of electrode post on the electrode mounting groove of cap body. The utility model provides an electroencephalogram electrode cap compact structure, electrode positioning is accurate, and wears the back and steadily fixes the cap body in user's head through the cap enclosure, avoids the cap body skew to appear in user's action, effectively promotes electrode acquisition signal's stability.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an electroencephalogram electrode cap, includes the cap body, the cap body is including the cap body and set up in the cap of cap body lower limb and enclose, evenly be provided with a plurality of electrode mounting grooves on the cap body, movable mounting has the electrode post in the electrode mounting groove, the electrode post runs through to set up in the cap body. The electroencephalogram electrode cap comprises a cap body for mounting the electrode column and a user head for positioning the cap body, so that the cap body is prevented from loosening or falling off. The electrode column and the cap body are of a separated structure, when the electroencephalogram electrode cap needs to be used, the cap body is only required to be brought to the head of a user, then the electrode column is sequentially inserted into the electrode mounting groove according to preset point positions, and convenient wearing of the cap body and accurate positioning of the electrodes are achieved.

Preferably, a positioning layer is arranged on the wall of the electrode mounting groove, positioning teeth are arranged on the outer wall of the electrode column, the electrode column is inserted into the electrode mounting groove, and the positioning teeth are connected with the positioning layer in a clamping mode. The positioning teeth on the electrode column are clamped with the electrode mounting grooves in an extruding mode, so that the electrode column can accurately correspond to a test point of the head of a user and can be stably connected with the cap body, and the using effect of the electrode cap is improved.

Preferably, the positioning teeth are uniformly arranged on the outer wall of the electrode column, the outer surfaces of the positioning teeth are arranged on the anti-slip layer, the positioning layer is an elastic part, and the positioning teeth are connected with the positioning layer in an extrusion mode. The positioning teeth are used for being connected with the elastic positioning layer in an extrusion mode, the anti-slip layer ensures that the positioning teeth are inserted in place and are positioned in the extrusion mode with the positioning layer, possible relative sliding between the positioning teeth and the positioning layer is eliminated, and therefore the electrode column mounted on the electrode cap can be positioned stably in the using process of the electrode cap, and deviation cannot occur.

Preferably, the positioning layer is detachably connected with the electrode mounting groove. After the brain wave electrode cap is used for a plurality of times, the positioning layer is repeatedly extruded by the electrode column, and the plastic deformation of the positioning layer is inevitably caused, so that the elastic positioning layer is arranged to detach the electrode mounting groove, so that the positioning layer is replaced or the cap body is cleaned.

Preferably, a stop piece is arranged on the inner side of the cap periphery, and the stop piece is made of rubber. When a user wears the electrode cap, the stop sheet is attached to the forehead and the brain of the user, the stop sheet is stopped in the action process of the user, the helmet periphery and the head of the user cannot be dislocated, and the wearing stability of the electrode cap is further ensured.

Preferably, the cap body is of a hard shell structure. The helmet body is a helmet-type helmet body, the brain wave electrodes can be supported and positioned when the helmet-type helmet is used, the hard helmet cap can be worn by a user conveniently, and the wearing efficiency of the electroencephalogram electrode cap is effectively improved.

Preferably, the electrode column is of a hollow structure, a liquid injection hole is formed in the side wall of the electrode column, and a connecting wire is arranged at the tail of the electrode column. The hollow structure of the electrode column is used for filling the conductive liquid, so that the electroencephalogram electrode cap can be used for conveniently filling the gel conductive liquid into each test point, and the connecting wires connected to the electrode column can ensure the electric connection of each electrode and the data analysis instrument, so that the normal work of the electroencephalogram electrode cap is ensured.

Therefore, the utility model discloses following beneficial effect has: (1) the electrode position is accurately positioned by adjusting the position of the electrode column on the electrode mounting groove of the cap body. The electroencephalogram electrode cap provided by the utility model has compact structure and accurate electrode positioning; (2) the positioning teeth on the electrode column are clamped with the electrode mounting grooves in an extruding manner, so that the electrode column can accurately correspond to a test point of the head of a user and can be stably connected with the cap body, and the use effect of the electrode cap is improved; (3) the anti-slip layer ensures that the positioning teeth are inserted in place and extruded and positioned with the positioning layer, and eliminates possible relative slip between the positioning teeth and the positioning layer, so that the electrode column arranged on the electrode cap can stabilize the position and does not have deviation in the use process of the electrode cap; (4) when the user wears the electrode cap, the stop sheet is attached to the forehead and the brain of the user, the stop sheet is stopped in the action process of the user, the helmet periphery and the head of the user cannot be dislocated, and the wearing stability of the electrode cap is further ensured.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Figure 2 is a schematic diagram of the operation of the electrode column of figure 1.

In the figure: 1. the electrode cap comprises a cap body 11, a cap body 12, a cap periphery 2, an electrode mounting groove 3, an electrode column 31, a positioning tooth 4, a positioning layer 5, a liquid injection hole 6, a connecting lead 7 and a hollow cavity.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

As shown in fig. 1 and 2, the electroencephalogram electrode cap comprises a cap body 1, wherein the cap body 1 comprises a cap body 11 and a cap enclosure 12 arranged at the lower edge of the cap body 11, a plurality of electrode mounting grooves 2 are uniformly arranged on the cap body 11, electrode columns 3 are movably mounted in the electrode mounting grooves 2, and the electrode columns 3 penetrate through the cap body 11. The electroencephalogram electrode cap comprises a cap body 11 for installing the electrode posts 3 and a user head for positioning the cap body 1, so that the cap body 1 is prevented from loosening or falling off. Electrode column 3 is the disconnect-type structure with the cap body 1, when needs use the electroencephalogram electrode cap, only need take the cap body 1 to user's head, peg graft in electrode mounting groove 2 in proper order with electrode column 3 according to predetermineeing the point location after that, has realized the convenient dress of the cap body 1 and the accurate positioning of electrode.

The electrode column is characterized in that a positioning layer 4 is arranged on the wall of the electrode mounting groove 2, positioning teeth 31 are arranged on the outer wall of the electrode column 3, the electrode column 3 is inserted into the electrode mounting groove 2, and the positioning teeth 31 are clamped and connected with the positioning layer 4. The positioning teeth 31 on the electrode column 3 are clamped with the electrode mounting groove 2 in an extruding manner, so that the electrode column 3 can accurately correspond to a test point of the head of a user and can be stably connected with the cap body 1, and the using effect of the electrode cap is improved. The positioning teeth 31 are uniformly arranged on the outer wall of the electrode column 3, the outer surface of the positioning teeth 31 is arranged on the anti-slip layer, the positioning layer 4 is an elastic part, and the positioning teeth 31 are in extrusion joint with the positioning layer 4. The positioning teeth 31 are used for being in extrusion joint with the elastic positioning layer 4, and the anti-slip layer ensures that when the positioning teeth 31 are inserted in place and are in extrusion positioning with the positioning layer 4, the possible relative sliding between the positioning teeth 31 and the positioning layer 4 is eliminated, so that the electrode column 3 arranged on the electrode cap can stabilize the position without deviation in the use process. In this embodiment, the electrode column 3 and the positioning teeth 31 are made of high molecular compound polypropylene, and are light and cheap, the anti-slip layer is a frosted surface made on the positioning teeth 31 by adopting a frosting process, the positioning layer 4 is a natural rubber layer, and the anti-slip layer can ensure that the positioning layer 4 and the positioning teeth 31 do not slide relatively.

The positioning layer 4 is detachably connected with the electrode mounting groove 2. After brain wave electrode cap was used many times, location layer 4 is extrudeed by electrode post 3 repeatedly, the phenomenon of 4 plastic deformation of location layer can appear unavoidably, consequently sets up elastic positioning layer 4 and can detach electrode mounting groove 2 to change location layer 4 or clean the cap body 1.

The inner side of the cap enclosure 12 is provided with a stop piece which is a rubber part. When a user puts on the electrode cap, the stop sheet is attached to the forehead and the brain of the user, and the stop sheet is stopped in the action process of the user to ensure that the helmet periphery 12 and the head of the user cannot be dislocated, so that the wearing stability of the electrode cap is further ensured. It is worth noting that the brain wave electrode cap disclosed in the present invention has various stop pieces with different thickness specifications, including but not limited to 1mm, 2mm, 3mm, 5 mm. The size of the internal diameter of the cap body is adjusted to 10mm, and the brain wave electrode cap can be well attached to the head of a user after being worn aiming at various users such as infants, children and adults with different head circumferences, so that the stability of the brain wave collecting process is improved. In the embodiment, the stop piece is made of soft silica gel, and has good skin-friendly property and friction resistance.

The cap body 11 is of a hard shell structure. The helmet body 1 is a helmet-type helmet body 1, brain wave electrodes can be supported and positioned when the helmet-type helmet is used, the hard helmet cap can be worn by a user conveniently, and the wearing efficiency of the electroencephalogram electrode cap is effectively improved. The cap body 11 is made of plastic and is light and compact in structure.

The electrode column 3 is hollow structure, be provided with on the 3 lateral walls of electrode column and annotate liquid hole 5, annotate in the well cavity 7 in the liquid hole intercommunication electrode column, 3 afterbody of electrode column are provided with connecting wire 6. The hollow structure of the electrode column 3 is used for filling the conductive liquid, so that the electroencephalogram electrode cap can be used for conveniently filling the gel conductive liquid into each test point, and the connecting wire 6 connected to the electrode column 3 can ensure the electric connection of each electrode and a data analysis instrument, so that the normal work of the electroencephalogram electrode cap is ensured.

The utility model discloses a brain wave electrode cap using-way is as follows, the user wears the cap body to the head, through the stopper piece laminating skin of the cap enclosure inboard, ensures that the cap body wears firmly, then inserts the electrode post in the electrode mounting groove according to the position of user's head test point in proper order, and finely adjusts the electrode post according to the actual falling point of electrode post bottom, further presses the electrode post after the adjustment is in place and makes it link up the electrode mounting groove, makes the electrode post install in place; then, the gel-type conductive liquid is injected into the hollow cavity of the electrode column from the liquid injection hole on the side wall of the electrode column, and is connected with a brain wave monitor through a connecting lead at the top end of the electrode column, so that the work preparation of the brain wave electrode cap is completed, the use is convenient, and the test stability is good.

It is worth noting that the brain wave electrode cap disclosed by the utility model has various specifications, and is divided into a 16-column cap, a 32-column cap, a 64-column cap and the like according to the number of electrode columns so as to meet different testing requirements of users.

In addition to the above embodiments, the technical features of the present invention can be re-selected and combined within the scope of the present invention as disclosed in the claims and the specification to constitute new embodiments, which can be realized by those skilled in the art without any creative work, therefore, the embodiments of the present invention not described in detail should be considered as the specific embodiments of the present invention 52 and be within the protection scope of the present invention.

Claims

1. An electroencephalogram electrode cap is characterized by comprising a cap body, wherein the cap body comprises a cap body and a cap periphery arranged at the lower edge of the cap body, a plurality of electrode mounting grooves are uniformly formed in the cap body, electrode columns are movably mounted in the electrode mounting grooves, and the electrode columns penetrate through the cap body; the electrode column is characterized in that a positioning layer is arranged on the wall of the electrode mounting groove, positioning teeth are arranged on the outer wall of the electrode column, the electrode column is inserted into the electrode mounting groove, and the positioning teeth are clamped and jointed with the positioning layer.

2. The electroencephalogram electrode cap according to claim 1, wherein the positioning teeth are uniformly arranged on the outer wall of the electrode column, the outer surfaces of the positioning teeth are arranged on the anti-slip layer, the positioning layer is an elastic piece, and the positioning teeth are connected with the positioning layer in a squeezing mode.

3. The electroencephalogram electrode cap according to claim 1, wherein the positioning layer is detachably connected with the electrode mounting groove.

4. The electroencephalogram electrode cap according to claim 2, wherein a stopper is provided on the inside of the cap periphery, and the stopper is made of rubber.

5. The EEG electrode cap according to any one of claims 1-4, wherein said cap body is a rigid shell structure.

6. The electroencephalogram electrode cap according to any one of claims 1 to 4, wherein the electrode column is of a hollow structure, a liquid injection hole is formed in the side wall of the electrode column, and a connecting wire is arranged at the tail part of the electrode column.