CN218075019U - Wet electrode brain electricity cap - Google Patents

Abstract

The utility model relates to a wet electrode brain electricity cap, include: the adjustable cap body, the plurality of electrode seats and the plurality of electrode plate components; the electrode holders are arranged on the adjustable cap body at intervals; each the electrode sheet subassembly detachably fixed set up in each electrode holder below, its inside electrically conductive cream or gel that has held for with the electrode holder cooperatees gathers testee's electroencephalogram, and passes through connecting wire on the electrode holder transmits electroencephalogram to outside collection equipment. The utility model discloses can wide application in medical science check out test set technical field.

Description

Wet electrode brain electricity cap

Technical Field

The invention belongs to the field of medical equipment, and particularly relates to an adjustable and easy-to-clean wet electrode electroencephalogram cap.

Background

The electroencephalogram signals contain a large amount of physiological and pathological information, and the monitoring and processing of the electroencephalogram signals can not only provide the basis for clinical diagnosis for doctors, but also provide effective auxiliary treatment means for certain brain diseases.

At present, the types of common electroencephalogram caps comprise a dry electrode cap, a saline electrode cap and a wet electrode cap. The dry electrode cap does not need an additional conductive medium, but the scalp impedance is not easy to reduce, and more artifact signals can be detected. Although the impedance can be reduced through the salt solution when the salt water electrode cap is used, the solution mobility is strong and easy to evaporate, and frequent liquid supplementation is needed, so that the salt water electrode cap is only suitable for short-time detection. The wet electrode cap takes the conductive paste or the gel as a conductive medium, the impedance is low, the acquired electroencephalogram signals are stable and reliable, and the wet electrode cap can be used for monitoring the electroencephalogram signals for a long time in the medical and scientific research fields, but before acquisition, the conductive paste or the gel needs to be filled into the gap of the electrode tip one by the needle tube, the operation is complex, the consumed time is long, and after the acquisition of the electroencephalogram signals is completed, the cleaning of the electroencephalogram cap is also time-consuming due to the residual conductive paste, and the time cost of doctors and scientific research personnel is greatly increased.

In addition, traditional brain electricity cap is the cloth of full coverage scalp, and the air permeability is poor, arouses easily that the quilt is perspired, and brain electricity cap size is fixed moreover, can't be according to different people's head circumference fine setting electrode position, and the comfort level of wearing and scientific research precision that bring from this are all relatively poor.

Disclosure of Invention

To the problem, the utility model aims at providing a wet electrode brain electricity cap, this brain electricity cap easy operation wears comfortablely.

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

a wet electrode brain electrical cap comprising: the adjustable cap body, the plurality of electrode seats and the plurality of electrode plate components; the adjustable cap body is used for being worn on the head of a testee and comprises two silica gel strip holders, a plurality of transverse silica gel strips, a plurality of longitudinal silica gel strips and a plurality of connecting discs; the two silica gel strip fixers are provided with a plurality of holes for the transverse silica gel strips to penetrate through for adjusting the length of each transverse silica gel strip, and the two silica gel strip fixers are arranged in positions corresponding to two ears of the testee when the cap body is worn on the head of the testee; the longitudinal silica gel strips are sequentially arranged on the transverse silica gel strips in a crossed manner, and the crossed parts of the longitudinal silica gel strips and the transverse silica gel strips are fixed in a sliding manner through the connecting disc; the electrode holders are arranged on the adjustable cap body at intervals; each electrode sheet assembly is detachably and fixedly arranged below each electrode seat and used for collecting electroencephalograms of a testee by matching with the electrode seats, wherein conductive paste or gel is contained in the electrode sheet assemblies.

Further, a protective band is arranged below the two silica gel strip fixing devices and used for surrounding the lower jaw part of the testee so as to stably fix the adjustable cap body on the head of the testee.

Further, the upper surface of connecting the disc is provided with two first recesses that are used for sliding fixed horizontal silica gel strip and vertical silica gel strip alternately, the lower surface of connecting the disc be provided with be used for with electrode holder fixed connection's second recess, it still is provided with the confession to connect the disc middle part the through-hole that the connecting wire of electrode holder wore out.

Further, the electrode holder comprises a first shell and a first electrode plate; the upper part of the first shell is fixedly connected with the lower surface of the connecting disc, the first shell is of a hollow cylindrical structure with an opening at the lower part, and the inner wall of the hollow cylindrical structure is provided with an internal thread for connecting with the electrode plate assembly; the first electrode plate is fixedly arranged at the top of the electrode holder body, and a connecting wire on the first electrode plate is connected with external acquisition equipment after penetrating out of a through hole reserved in the connecting disc.

Further, the first shell is made of transparent materials.

Further, the electrode plate assembly comprises a second shell, an arc-surface chassis and a second electrode plate; the second shell is arranged on the cambered surface base plate, and a containing cavity for containing conductive paste or gel is formed in the second shell; the outer wall of the second shell is provided with an external thread matched with the internal thread of the inner wall of the first shell, and the external thread is used for realizing the detachable connection of the electrode plate assembly and the electrode holder; one side of the second shell is also provided with a conductive paste injection hole communicated with the accommodating cavity and used for injecting or supplementing conductive paste; the second electrode plate is fixedly arranged at the top of the second shell and used for being electrically connected with the first electrode plate when the second shell is connected with the first shell.

Furthermore, the second shell is made of transparent materials.

Further, the middle part of the cambered surface chassis is provided with a hole communicated with the accommodating cavity, so that the conductive paste in the accommodating cavity can flow out to the tested scalp to form a conductive loop.

Further, the first electrode plate and the second electrode plate adopt silver chloride powder sintered electrodes.

The utility model discloses owing to take above technical scheme, it has following advantage:

1. the utility model discloses well electrode slice subassembly and electrode holder can be dismantled and be connected, after the electroencephalogram signal acquisition finishes, can dismantle electrode slice subassembly, and then wash holding the chamber, can accelerate hospital electroencephalogram work greatly and save time and promote efficiency;

2. the adjustable cap body of the utility model adopts the silica gel strips which are arranged in a cross way, each horizontal silica gel strip and the vertical silica gel strip jointly form a hemispherical reticular cap body, the air permeability is good, the length of the silica gel strip can be adjusted by the silica gel strip fixer at the double ear side, and the size of the brain electricity cap is changed to adapt to the tested head shape;

3. the utility model discloses in, the second casing in first casing in the electrode holder and the electrode plate subassembly all adopts transparent material preparation, and is provided with the conductive paste filling hole on the second casing, is convenient for observe the conductive paste state at any time and mends the glue.

Therefore, the utility model discloses can the wide application in medical science check out test set technical field.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Like reference numerals refer to like parts throughout the drawings. In the drawings:

FIG. 1 is a schematic view of the cap structure of the adjustable and easy-to-clean wet electrode brain computer provided by the present invention;

fig. 2 is a schematic structural view of an electrode holder provided by the present invention;

fig. 3 is a detachable accommodating cavity provided by the utility model;

the respective symbols in the figure are as follows:

1. an adjustable cap body; 11. a silica gel strip fixer; 12. a transverse silicone strip; 13. a longitudinal silica gel strip; 14. connecting the disks; 15. protecting the belt; 2. an electrode holder; 21. a first housing; 22. a first electrode sheet; 23. an internal thread; 3. an electrode pad assembly; 31. a second housing; 32. a second electrode sheet; 33. a cambered surface chassis; 34. an external thread; 35. and injecting conductive paste.

Detailed Description

Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the system or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Transverse: in the present specification, when describing the present invention with reference to "lateral", the term refers to a direction parallel to the coronal plane or coronal axis of the subject's head.

Longitudinal direction: in this specification, when describing the present invention with reference to "longitudinal", the term refers to a direction parallel to the sagittal plane or axis of the subject's head.

As shown in fig. 1-3, the utility model provides an adjustable, easy clear wet electrode brain electricity cap, it includes: adjustable cap body 1, a plurality of electrode holder 2 and a plurality of electrode slice subassembly 3. Wherein, each electrode holder 2 is arranged on the adjustable cap body 1 at intervals, and each electrode holder 2 is connected with external acquisition equipment through a connecting wire; each electrode slice subassembly 3 detachably sets up in each electrode holder 2 below, and its inside conductive paste or gel that has held for cooperate with electrode holder 2 and gather the brain electrical signal of testee, and transmit brain electrical signal to outside collection equipment through the connecting wire on the electrode holder 2.

Preferably, as shown in fig. 1, the adjustable cap 1 comprises two silicone strip holders 11, a plurality of transverse silicone strips 12, a plurality of longitudinal silicone strips 13, and a plurality of connecting discs 14. Wherein, the two silica gel strip fixators 11 are arranged at the two ear sides, and are provided with a plurality of holes for the transverse silica gel strips 12 to penetrate through for adjusting the length of each transverse silica gel strip 12; each longitudinal silica gel strip 13 is arranged on each transverse silica gel strip 12 in a sequentially crossed manner, and the crossed part of the longitudinal silica gel strips 13 and the transverse silica gel strips 12 is fixed in a sliding manner through a connecting disc 14. In this embodiment, each of the transverse silica gel strips 12 and the longitudinal silica gel strips 13 together form a hemispherical mesh cap body, so that the air permeability is good, the length of the silica gel strips can be adjusted through the silica gel strip fixer on the two ear sides, and the size of the electroencephalogram cap is changed to adapt to the tested head shape.

Preferably, a protective band 14 surrounding the chin is further arranged below the two silica gel strip holders 11, so that the wet electrode brain electricity cap can be better fixed on the head of the testee.

Preferably, the upper surface of the connecting disc 14 is crosswise provided with two first grooves for slidably fixing the transverse silica gel strip and the longitudinal silica gel strip, the lower surface of the connecting disc 14 is provided with a second groove for fixedly connecting with the electrode holder, and the middle part of the connecting disc 14 is also provided with a through hole for the connection lead of the electrode holder 2 to pass through.

Preferably, as shown in fig. 2, the electrode holder 2 includes a first case 21 and a first electrode sheet 22. Wherein, the upper part of the first shell 21 is fixedly connected with the lower surface of the connecting disc 14, the first shell 21 adopts a hollow cylinder structure with an opening at the lower part, and the inner wall of the hollow cylinder structure is provided with an internal thread 23 for connecting with the electrode plate component 3; the first electrode plate 22 is fixedly arranged at the top of the first casing 21, and a connecting lead on the first electrode plate 22 passes through a through hole reserved on the connecting disc 14 and then is connected with an external acquisition device.

Preferably, the first casing 21 is made of a transparent material.

Preferably, as shown in fig. 3, the electrode tab assembly 3 includes a second housing 31, a cambered bottom plate 33 and a second electrode tab 32. The second shell 31 is arranged on the cambered base plate 33, and a containing cavity for containing conductive paste or gel is formed in the second shell; the outer wall of the second shell 31 is provided with an external thread 34 matched with the internal thread of the inner wall of the first shell, so that the electrode plate component 3 and the electrode holder 2 can be detachably connected; a conductive paste injection hole 35 is further formed at one side of the second housing 31 for injecting or supplementing a conductive paste; the second electrode plate 32 is fixedly disposed on the top of the second housing 31, and is electrically connected to the first electrode plate 22 when the second housing 31 is connected to the first housing 21.

Preferably, the second housing 31 is made of a transparent material, so that the state of the conductive paste can be observed at any time for glue filling.

Preferably, the middle part of the cambered surface chassis 33 is provided with a hole for communicating with the accommodating cavity, so that the conductive adhesive in the accommodating cavity can flow out to the scalp to be tested to form a conductive loop.

Preferably, the first electrode plate 22 and the second electrode plate 32 are silver chloride powder sintered electrodes, which are low-polarization electrodes with high anti-interference performance, low noise, stable potential, high measurement accuracy and stable performance.

When the utility model is used, firstly, after the electrode sheet component is connected with the electrode seat, the conductive paste is injected into the containing cavity; the electroencephalogram cap is worn on the head of a tested person, and the length of the transverse silica gel strip is adjusted through the silica gel strip fixer, so that the size of the electroencephalogram cap is adapted to the head shape of the tested person; adjusting the arrangement position of the electrode holder by adjusting the connecting disc according to the test requirement; connecting the connecting wires of the electrode holders with corresponding acquisition equipment; after the electroencephalogram collection is completed, all electrode plate assemblies can be sequentially taken down from the electrode base, only the conductive adhesive in the accommodating cavity is cleaned, the electroencephalogram work of a hospital can be greatly accelerated under the condition that a plurality of sets of electrode plate assemblies are provided, the time is saved, and the efficiency is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (9)

1. A wet electrode brain electricity cap, its characterized in that includes:

the adjustable cap body, the plurality of electrode seats and the plurality of electrode plate components;

the adjustable cap body is used for being worn on the head of a testee and comprises two silica gel strip holders, a plurality of transverse silica gel strips, a plurality of longitudinal silica gel strips and a plurality of connecting discs; the two silica gel strip holders are provided with a plurality of holes for the transverse silica gel strips to penetrate through for adjusting the length of each transverse silica gel strip, and are arranged to be arranged at positions corresponding to two ears of the testee when the cap body is worn on the head of the testee; the longitudinal silica gel strips are sequentially arranged on the transverse silica gel strips in a crossed manner, and the crossed parts of the longitudinal silica gel strips and the transverse silica gel strips are fixed in a sliding manner through the connecting disc;

the electrode holders are arranged on the adjustable cap body at intervals;

each electrode sheet component is detachably and fixedly arranged below each electrode seat, and conductive paste or gel is contained in the electrode sheet component.

2. The wet electrode brain electric cap of claim 1, wherein a protective band is further provided below each of said two silicone strip holders for surrounding the mandible of said subject to secure said adjustable cap.

3. The wet electrode brain electricity cap of claim 1, wherein the upper surface of the connecting disc is crosswise provided with two first grooves for slidably fixing the transverse silica gel strip and the longitudinal silica gel strip, the lower surface of the connecting disc is provided with a second groove for fixedly connecting with the electrode holder, and the middle of the connecting disc is further provided with a through hole for the connecting lead of the electrode holder to penetrate out.

4. The wet electrode brain cap of claim 1, wherein the electrode holder includes a first housing and a first electrode tab; the upper part of the first shell is fixedly connected with the lower surface of the connecting disc, the first shell is of a hollow cylindrical structure with an opening at the lower part, and the inner wall of the hollow cylindrical structure is provided with an internal thread for connecting with the electrode plate assembly; the first electrode plate is fixedly arranged at the top of the electrode holder body, and a connecting wire on the first electrode plate is connected with external acquisition equipment after penetrating out of a through hole reserved in the connecting disc.

5. The wet electrode brain cap of claim 4, wherein the first shell is made of a transparent material.

6. The wet electrode brain wave cap of claim 4, wherein the electrode sheet assembly comprises a second housing, an arcuate chassis, and a second electrode sheet; the second shell is arranged on the cambered surface base plate, and a containing cavity for containing conductive paste or gel is formed in the second shell; the outer wall of the second shell is provided with an external thread matched with the internal thread of the inner wall of the first shell, and the external thread is used for realizing the detachable connection of the electrode plate assembly and the electrode holder; one side of the second shell is also provided with a conductive paste injection hole communicated with the accommodating cavity and used for injecting or supplementing conductive paste; the second electrode plate is fixedly arranged at the top of the second shell and used for being electrically connected with the first electrode plate when the second shell is connected with the first shell.

7. The wet electrode brain cap of claim 6, wherein the second shell is made of a transparent material.

8. The wet electrode brain electric cap of claim 6, wherein a hole for communicating with the accommodating cavity is formed in the middle of the cambered bottom disc, so that the conductive paste in the accommodating cavity can flow out.

9. The wet electrode brain cap of claim 6, wherein the first and second electrode pads are silver chloride powder sintered electrodes.

Images