CN209595748U - Disposable Electrodo cap for electroencephalogram - Google Patents

Abstract

The utility model discloses a kind of disposable Electrodo cap for electroencephalogram, and including cap body and the multiple electrodes for being installed on cap body, cap body and electrode are arranged according to 10/20 brain electricity positioning system of international standard；Cap body includes conductive circuit, the buffer layer and viscous layer for being set to conductive circuit surface, and the conductive circuit uses flexible print circuit substrate；Electrode presets hydrogel, and conductive circuit is connect with connector, and brain wave (EFG) signal of electrode acquisition is transmitted to brain electrical detection device by conductive circuit.The disposable electroencephalographic electrode cap structure of the utility model is simple, safety when use, comfortable, can quickly position electrode for encephalograms point, dispose electrode, use aspect is easy to operate.

Description

Disposable Electrodo cap for electroencephalogram

Technical field

The utility model belongs to brain wave monitoring device technical field more particularly to a kind of disposable Electrodo cap for electroencephalogram.

Background technique

The 10/20 electrode lead localization criteria that international electroencephalography can be demarcated be the relative position between scalp electrode point with 10% and 20% indicates, using 2 markings: (1) sagittal line: from the nasion to the line of inion, also known as middle line, in the past 5 record point-Fpz (middle line antinion), Fz (middle line volume), Cz (middle line center), Pz (middle line top) and Oz (middle line are marked backward Pillow).The 10% of middle line overall length is respectively accounted for later with Oz before Fpz, remaining point spacing all accounts for 20%.Company between (2) two external auditory canals Line.It is (right that 5 point-T3 (left temporo), C3 (left centre), Cz (middle line center), C4 (right median) and T4 are also recorded from left to right Middle temporo), T3 and the outside T4 respectively account for 10%, remaining point spacing all accounts for 20%.By 4 points of the edge of above two line, using Cz as the center of circle Draw circle, between 4 points it is each it is circumferentially equidistant take 2 points, and a point is respectively taken between Fz, C3, Cz, C4, such 10/20 system 21 pieces of compositions of shared active electrode.Other are as 16 lead, 32 lead, 64 lead, 128 to lead with 256 conductive polar caps be also according to 10/20 system It extends.

Currently, existing Electrodo cap for electroencephalogram generally uses rigid printed circuit substrate to be made, when use, is uncomfortable, unfavorable In the contact of electrode, conducting electrolyte with scalp；The elastic properties of materials of electrode cap is poor, and when use is uncomfortable, is unfavorable for electrode Contact and acquisition；Conducting electrolyte generally uses conductive paste and gel particle, and when use need to place gel particle one by one, when high temperature It easily dissolves and inconvenient for operation；Meanwhile it cannot be rapidly performed by the determination and adjustment of electrode position, influence detection accuracy.Therefore, It is necessary to which existing Electrodo cap for electroencephalogram is further improved, wear it using safer, comfortable, conveniently.

Utility model content

Place in view of the deficiency of the prior art, the utility model provide a kind of new disposable electroencephalogram electricity Polar cap.

To solve the technical problem, the technical solution adopted in the utility model are as follows:

Disposable Electrodo cap for electroencephalogram, including cap body and the multiple electrodes for being installed on cap body, the cap body includes that printing is led Electric line, the buffer layer and viscous layer for being set to conductive circuit surface, the conductive circuit use flexible printing Circuit substrate；The electrode presets hydrogel.

Preferably, the cap body and electrode are arranged according to 10/20 brain electricity positioning system of international standard, and the cap body includes two Lateral lead line and intermediate conducting wire.

Preferably, the two sides conducting wire is symmetrical arranged by symmetry axis of intermediate conducting wire, is disposed with the first lead Line, the second conducting wire, third conducting wire and the 4th conducting wire.

Preferably, first conducting wire is disposed with the electrode of left front volume, left temporo, left back temporo, left pillow, and described Two conducting wires be disposed with right forehead, temporo in the right side, it is right after temporo, right pillow electrode；The third conducting wire is disposed with a left side Volume, it is left centre, left top electrode, the 4th conducting wire be disposed with right volume, right median, right top electrode.

Preferably, the left temporo, the right side in temporo, it is left centre and right median electrode between be provided with the 5th conducting wire, 5th conducting wire is connect with intermediate conducting wire, and the intermediate conducting wire top is provided with left and right lead branch line, the left and right Lead branch line is disposed with left antinion electrode and right antinion electrode.

Preferably, the Electrodo cap for electroencephalogram is further provided with connector, and the conductive circuit and connector connect It connects.

Preferably, the conductive circuit is using sintering conductive silver paste or the printing of chlorination silver paste.

Compared with prior art, the utility model has the beneficial effects that:

The utility model discloses a kind of disposable Electrodo cap for electroencephalogram, positions system according to 10/20 brain electricity of international standard System setting cap body and the position for placing electrode, it is easy to operate without positioning the electrode for encephalograms on scalp when use, can quickly it determine Position electrode for encephalograms point, disposes electrode.Be preset on electrode when hydrogel is dispatched from the factory, preset electrode as EEG signals sensor, Preset hydrogel is as EEG signals conductive electrolyte, compared with traditional conductive paste, hydrogel good biocompatibility, and water-retaining property Well, it is not easy to dissolve when high temperature；First by water-setting when converting factory for the mode for placing hydrogel or conductive paste when traditional use Glue is preset on electrode, use aspect.Traditional harder PET printed circuit substrate is replaced using flexible print circuit substrate, Soft comfortable prevents the scuffing of patient.

Detailed description of the invention

Fig. 1 is the Electrodo cap for electroencephalogram structure chart of the utility model；

Fig. 2 is the conductive circuit structure chart of the utility model；

The buffer layer structure schematic diagram of the position Fig. 3 the utility model；

Wherein, 1, conductive circuit；10, intermediate conducting wire；11, the first conducting wire；1, the second conducting wire；13, third Conducting wire；14, the 4th conducting wire；15, the 5th conducting wire；16, left and right lead branch line；2, buffer layer；3, electrode；31, hydrogel； 4, connector.

Specific embodiment

The technical solution in specific embodiment of the utility model in detail, completely retouch below in conjunction with attached drawing It states.Obviously, described embodiment is only the part specific embodiment of the total technical solution of the utility model, and not all Embodiment.Total design based on the utility model, those of ordinary skill in the art's every other embodiment obtained, all Fall within the range of the utility model protection.

In the description of the present invention, it should be understood that term " on ", "lower", "inner", "outside", "left", "right", The orientation or positional relationship of the instructions such as "center", " top ", " bottom " is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

The utility model provides a kind of disposable Electrodo cap for electroencephalogram, illustrates the utility model below in conjunction with attached drawing The structure and working principle of Electrodo cap for electroencephalogram.

Embodiment 1:

With reference to shown in Fig. 1, Fig. 2, Fig. 3, disposable Electrodo cap for electroencephalogram, including cap body and the multiple electrodes for being installed on cap body 3, cap body include conductive circuit 1 and be set to 1 surface of conductive circuit and with the matched buffer layer 2 of its shape with And viscous layer.Conductive circuit 1 uses flexible print circuit substrate；Electrode 3 presets hydrogel 31；Conductive circuit 1 It is connect with connector 4, connector 4 is connect with brain electrical detection device, and brain wave (EFG) signal of electrode acquisition is conductive by printing Line transmission is to brain electrical detection device.

Conductive circuit is using good conductivity, the sintering conduction that noise is low, polarization potential is low, impedance is low in the present embodiment Silver paste or the printing of chlorination silver paste, are preset on electrode, preset electrode is preset as EEG signals sensor when hydrogel is dispatched from the factory Hydrogel is as EEG signals conductive electrolyte, compared with traditional conductive paste, hydrogel good biocompatibility, and good water-retaining property, It is not easy to dissolve when high temperature；It is first that hydrogel is pre- when converting factory for the mode for placing hydrogel or conductive paste when traditional use It sets on electrode, use aspect.Using the traditional harder PET printing of flexible print circuit substrate (such as soft cloth) substitution Circuit substrate, soft comfortable can prevent the scuffing of patient.

Embodiment 2:

On the basis of the above embodiments, one kind is present embodiments provided according to 10/20 brain electricity positioning system of international standard The Electrodo cap for electroencephalogram of setting, refering to what is shown in Fig. 1, the position of cap body and electrode 2 is designed according to 10/20 standard, i.e. printing is conductive The specific structure shape of line 1 and buffer layer 2 designs all in accordance with 10/20 standard, and the position of each electrode is according to 10/20 specific calculating Setting.Cap body includes two sides conducting wire and intermediate conducting wire, and two sides conducting wire is symmetrical arranged by symmetry axis of intermediate conducting wire, according to It is secondary to be provided with the first conducting wire 11, the second conducting wire 12, third conducting wire 13 and the 4th conducting wire 14, the first conducting wire 11 according to Secondary to be provided with left front volume (F7), left temporo (T3), left back temporo (T5), the left electrode for resting the head on (O1), the second conducting wire 12 is set gradually Have right forehead (F8), temporo (T4) in the right side, it is right after temporo (C6), right pillow (O2) electrode；Third conducting wire 13 is disposed with left volume (F3), the left electrode (P3) for entreating (C3), left top, the 4th conducting wire 14 are disposed with right volume (F4), right median (C4), right top (P4) electrode；The 5th is provided between the electrode of temporo (T4), left centre (C3) and right median (C4) in left temporo (T3), the right side Conducting wire 15, the 5th conducting wire 15 are connect with intermediate conducting wire 10, and intermediate conducting wire 10 is provided with middle line contre electrode point (Cz) With middle line top electrode point (Pz), intermediate 10 top of conducting wire is provided with left and right lead branch line 16, left and right lead branch line 16 or so two Side is disposed with left antinion electrode (Fp1) and right antinion electrode (Fp2).

Electrodo cap for electroencephalogram in the present embodiment using when only need to be aligned middle line contre electrode point Cz, then by each electrode Point is fitted in the head of patient, that is, completes the wearing of brain wave electrode cap, can quickly position electrode for encephalograms point, placement electricity Pole, it is simple to operate without successively positioning the electrode for encephalograms on scalp when use.Electrodo cap for electroencephalogram is effective in the present embodiment Electrode number according to 10/20 standard setting be 21 pieces, but the number of electrode specifically design in be not limited to this, can be according to specific Situation is further extended on the basis of the present embodiment according to standard 10/20, be such as designed as 16 leading, 32 lead, 64 leading, 128 lead the brain wave electrode cap led with 256.

The disposable Electrodo cap for electroencephalogram of the utility model is arranged, when use according to 10/20 brain electricity positioning system of international standard It is easy to operate without positioning the electrode for encephalograms on scalp, electrode for encephalograms point can be quickly positioned, electrode, accurate positioning, knot are disposed Structure is simple.It is preset on electrode when hydrogel is dispatched from the factory, preset electrode is as EEG signals sensor, and preset hydrogel is as brain Electric signal conductive electrolyte, compared with traditional conductive paste, hydrogel good biocompatibility, good water-retaining property, when high temperature is less soluble Change；First hydrogel is preset on electrode when converting factory for the mode for placing hydrogel or conductive paste when traditional use, Use aspect.PET printed circuit substrate is substituted using flexible print circuit substrate, soft comfortable prevents the scuffing of patient.

Claims (3)

1. disposable Electrodo cap for electroencephalogram, including cap body and the multiple electrodes for being installed on cap body, which is characterized in that the cap body packet The buffer layer and viscous layer for including conductive circuit, being set to conductive circuit surface, the conductive circuit use Flexible print circuit substrate；The electrode presets hydrogel；

The cap body and electrode are arranged according to 10/20 brain electricity positioning system of international standard, the cap body include two sides conducting wire and Intermediate conducting wire；The two sides conducting wire is symmetrical arranged by symmetry axis of intermediate conducting wire, is disposed with the first conducting wire, the Two conducting wires, third conducting wire and the 4th conducting wire；

First conducting wire is disposed with the electrode of left front volume, left temporo, left back temporo, left pillow, second conducting wire according to It is secondary be provided with right forehead, temporo in the right side, it is right after temporo, right pillow electrode；The third conducting wire be disposed with left volume, it is left centre, The electrode on left top, the 4th conducting wire be disposed with right volume, right median, right top electrode；

The 5th conducting wire, the 5th lead are provided between the electrode of temporo, left centre and right median in the left temporo, the right side Line is connect with intermediate conducting wire；

The intermediate conducting wire top is provided with left and right lead branch line, and the left and right lead branch line is disposed with left antinion electricity Pole and right antinion electrode.

2. disposable Electrodo cap for electroencephalogram according to claim 1, which is characterized in that the Electrodo cap for electroencephalogram is further It is provided with connector, the conductive circuit is connect with connector.

3. disposable Electrodo cap for electroencephalogram according to claim 1, which is characterized in that the conductive circuit is using burning Tie conductive silver paste or the printing of chlorination silver paste.