CN217723520U

CN217723520U - Electrode and monitoring device

Info

Publication number: CN217723520U
Application number: CN202220721306.6U
Authority: CN
Inventors: 官国锋; 张宏巍
Original assignee: Shenzhen Shineyard Medical Device Co ltd
Current assignee: Shenzhen Shineyard Medical Device Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-11-04
Anticipated expiration: 2032-03-29

Abstract

The embodiment of the utility model provides a medical instrument technical field especially discloses an electrode and monitoring devices, one of them electrode, including base and conductive claw, conductive claw's first end connect in the base, conductive claw's second end is provided with the arc convex part, conductive claw is provided with first chamber and the first through-hole of acceping, first chamber of acceping is used for acceping conductive medium, first through-hole runs through the arc convex part, with will first chamber and external intercommunication of acceping, first through-hole is used for supplying to be located first conductive medium liquid of acceping the intracavity oozes the arc convex part. In this way, the embodiment of the utility model provides a can support daily long-term electroencephalogram monitoring's needs.

Description

Electrode and monitoring device

Technical Field

The embodiment of the utility model provides an embodiment relates to medical instrument technical field, especially relates to an electrode and monitoring devices.

Background

The brain electricity is the cortical potential which is transmitted to the scalp from the self-generating activity of the cerebral cortical nerve cell cluster, and is a weak voltage signal. The brain waves are collected according to time to form brain waves, the patterns of the brain waves are generally sine waves, and the amplitude is generally 0.5-150 mu V.

However, in implementing the embodiments of the present invention, the inventors found that: at present, the electroencephalogram collecting brain electrode is a wet electrode generally, namely a conductive gel layer is coated on the surface of the electrode, the conductive gel layer is adopted to reduce the contact impedance between the electrode and the scalp, and the electroencephalogram signals are distorted along with the dehydration of the conductive gel layer in actual use, so that the requirement of daily long-term electroencephalogram monitoring cannot be supported.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a main technical problem who solves provides an electrode and monitoring devices, can hold daily long-term electroencephalogram monitoring's needs.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides an electrode, includes base and conductive claw, conductive claw's first end connect in the base, conductive claw's second end is provided with the arc convex part, conductive claw is provided with first chamber and the first through-hole of acceping, first chamber of acceping is used for acceping conductive medium, first through-hole runs through the arc convex part, with will first chamber and external intercommunication of acceping, first through-hole is used for supplying to be located first conductive medium liquid of acceping the intracavity oozes the arc convex part can support the needs of daily long-term brain electricity monitoring.

Optionally, the number of the conductive claws is multiple, and the multiple conductive claws are arranged around the base.

Optionally, the quantity of electrically conductive claw is a plurality of, and is a plurality of electrically conductive claw encircles the base sets up electrically conductive claw includes the claw body and first conducting layer, first accept the chamber set up in the claw is internal, the claw body is provided with the arc boss, first conducting layer coat in the claw body, arc boss and first conducting layer are located the part of arc boss constitutes the arc convex part jointly, first through-hole runs through arc boss and first conducting layer are located the part of arc boss.

Optionally, the electrode further includes a second conductive layer coated on the base, and the second conductive layer is connected to the first conductive layer.

Optionally, the first conductive layer and the second conductive layer are both prepared from silver or silver chloride.

Optionally, the electrode still includes son knot, box and elasticity cap, the elasticity cap is provided with the second through-hole, the box sets up in the base, the son is detained and is passed behind the second through-hole the box joint, the common centre gripping is detained with the son to the box elasticity cap.

Optionally, the base is provided with the third through-hole, the second conducting layer extends to the wall of third through-hole, the box with the second conducting layer contacts, the electrode still includes the electrode line, the son detain with electrode line connection, the box detains with the son and all has electric conductive property. .

Optionally, the male buckle includes a first cover plate and an insertion column, one end of the insertion column is connected to the first cover plate, the electrode wire is connected to the first cover plate, the female buckle includes a second cover plate and an insertion cylinder, the insertion cylinder is connected to the second cover plate, the second cover plate is provided with an opening, the insertion cylinder is provided with an insertion cavity, the opening is communicated with the insertion cavity, the insertion cylinder is inserted into the third through hole, the insertion column is inserted into the insertion cavity from the opening, and the first cover plate and the second cover plate clamp the elastic cap.

Optionally, the base and the conductive claw are both prepared from polyurethane.

In order to solve the technical problem, the utility model discloses a another technical scheme be: a monitoring device is provided, which comprises the electrode.

The embodiment of the utility model provides an electrode, including base and conductive claw, the first end of conductive claw is connected in the base, the second end of conductive claw is provided with the arc convex part, conductive claw is provided with first accepting chamber and first through-hole, first accepting chamber is used for accepting conductive medium, first through-hole runs through the arc convex part to with first accepting chamber and external intercommunication, first through-hole is used for supplying the conductive medium liquid that is located in first accepting chamber to ooze the arc convex part, can extend the ageing that long arc convex part has conductive medium, can support daily long-term brain electricity monitoring's needs; in addition, the arc-shaped convex part is used for increasing the contact area contacted with the head of the user, and is favorable for collecting electroencephalogram signals of the user more conveniently.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of an electrode provided in an embodiment of the present invention;

fig. 2 is an exploded schematic view of an electrode provided by an embodiment of the present invention;

fig. 3 is a cross-sectional view of a base and conductive fingers in an electrode according to an embodiment of the present invention;

fig. 4 is a perspective view of a spring cap in an electrode according to an embodiment of the present invention;

fig. 5 is a process diagram of manufacturing an electrode according to an embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the electrode 1 includes a base 10, a conductive claw 20, a second conductive layer 40, a male buckle 50, a female buckle 30, an electrode wire 60, and an elastic cap 70. The conductive claws 20 are provided to the base 10. The son buckle 50 and the mother buckle 30 are clamped and fixed on the elastic cap 70, the son buckle is connected to one end of the electrode wire 60, the other end of the electrode wire 60 is connected to an external instrument, when the elastic cap 70 is brought to the brain, the electroencephalogram collected by the conductive claw 20 passes through the base 10 to the mother buckle 30 and then to the son buckle 50, and then is transmitted to the instrument for recording the electroencephalogram through the electrode wire 60.

Referring to fig. 2 and 3, the base 10 is provided with a second receiving cavity 102 and a third through hole 101, the third through hole 101 is located at the center of the base 10, and the second receiving cavity 102 is used for receiving a conductive medium, which has a performance of enhancing electrical signal transmission.

Referring to fig. 2 and 3, the conductive claw 20 includes a claw body 201, a first conductive layer 202, and a first through hole 203. The claw body 201 is connected with the base 10, the first conductive layer 202 is coated on the claw body 201, the claw body 201 is provided with a first accommodating cavity 2011 and an arc-shaped boss 2012, the arc-shaped boss 2012 and a portion of the first conductive layer 202 located on the arc-shaped boss 2012 jointly form an arc-shaped convex portion (not shown), the first accommodating cavity 2011 is used for accommodating a conductive medium, the first through hole 203 penetrates through the arc-shaped boss 2012 and the first conductive layer 202, the first accommodating cavity 2011 is communicated with the second accommodating cavity 102 and is also used for accommodating a conductive medium, the first through hole 203 is used for communicating the first accommodating cavity 2011 with the outside so as to seep the conductive medium from the first accommodating cavity 2011 to the scalp, in other words, it is equivalent to: the arc-shaped protrusion is provided with a first through hole 203, and the first through hole 203 communicates the first housing cavity 2011 with the outside. Conductive medium slowly oozes from first accepting the chamber 2011, is favorable to arc boss 2012 to keep the conductive medium for a long time to support daily long-term brain electricity monitoring's needs.

It should be noted that: for the specific capacity of the first receiving cavity 2011 and the second receiving cavity 102, the aperture of the first through holes 203, and the number of the first through holes 203 can be set according to the requirement of daily long-term electroencephalogram monitoring.

In some embodiments, the claw body 201 and the base 10 are integrally formed, the base 10 and the conductive claw 20 are both made of polyurethane, the elastic property of the polyurethane is between that of plastic and rubber, and the electroencephalogram electrode has good mechanical property, toughness and resilience, so that the comfort level and the contact stability of the electroencephalogram electrode are guaranteed. In some embodiments, the number of the conductive claws 20 may be plural, and the plural conductive claws 20 are arranged radially around the base 10.

Referring to fig. 3, the second conductive layer 40 is coated on the base 10, the second conductive layer 40 is connected to the first conductive layer 202, the second conductive layer 40 extends to the wall surface (not shown) of the third through hole 101, and is connected to the first conductive layer 202 through the second conductive layer 40, the electrode line 60 and the second conductive layer 40 are not limited to be connected to the first conductive layer 202, and the connection is more flexible. In some embodiments, first conductive layer 202 and second conductive layer 40 are integrally formed. First conductive layer 202 and second conductive layer 40 are both made of silver or silver chloride, although first conductive layer 202 and second conductive layer 40 are not limited to being made of silver or silver chloride, and first conductive layer 202 and second conductive layer 40 may be made of other metals with specific conductive properties, such as: silver, copper, gold, aluminum, titanium oxide or an organic conductive polymer.

Referring to fig. 2, the sub-buckle 50 includes a first cover plate 501 and a plug 502, wherein one end of the first cover plate 501 is connected to the plug 502, and the other end is connected to the electrode line 60.

Referring to fig. 2, the female buckle 30 includes a second cover plate 301 and an insert barrel 302, the second cover plate 301 is connected to the insert barrel 302, the second cover plate 301 is provided with an opening (not shown), the insert barrel 302 is provided with an insert cavity 3021, the opening is communicated with the insert cavity 3021, the insert barrel 302 is inserted into the third through hole 101 and contacts with the second conductive layer 40, the insert post 502 is inserted into the insert cavity 3021 from the opening to connect the male buckle 50 and the female buckle, and the electroencephalogram signal is transmitted to the electrode wire 60 sequentially through the second conductive layer, the first conductive layer 202, the female buckle 30 and the male buckle 50.

Referring to fig. 4, the elastic cap 70 includes a cap body 702 and an elastic band 703, wherein one end of the elastic band 703 is connected to one end of the cap body 702, and the other end is connected to the other end of the cap body 702. The cap body 702 is provided with a second through hole 701, and the second through hole 701 is used for the insertion column 502 to pass through the cap body 702. Specifically, when the insert cylinder 302 is inserted into the third through hole 101, the female buckle 30 is fixed to the base 10, the female buckle 30, the base 10 and the conductive claw 20 are located inside the elastic cap 70, the male buckle 50 is located outside the elastic cap 70, the insert column 502 of the male buckle 50 is inserted into the insert cavity 3021 from the opening, so that the male buckle 50 and the female buckle 30 are fixed, and at this time, the second cover plate 301 abuts against the inside of the elastic cap 70, and the first cover plate 501 abuts against the outside of the elastic cap 70, that is, the second cover plate 301 and the first cover plate 501 clamp the elastic cap 70, so that the conductive claw 20 is fixed to the elastic cap 70.

It is worth mentioning that: the plug barrel 302 and the third through hole 101 can be fixed in an interference fit manner, and the plug column 502 and the plug cavity 3021 can also be fixed in an interference fit manner. The third through hole 101 can be pulled out from the plug barrel 302, and the plug column 502 is pulled out from the plug cavity 3021, so that the detachable connection is realized, and the conductive claw or the base 10 can be conveniently replaced when a fault occurs.

In some embodiments, the cap body 702 is woven from highly elastic fibers.

In some embodiments, the number of the second through holes 701, the base 10, the electrode wires 60, the male snap 50, the female snap 30, and the conductive claws 20 may be multiple, one conductive claw 20 is connected to one base 10, and one male snap 50 and one female snap 30 fix one base 10 to the cap body 702 through one second through hole 701. By arranging the plurality of conductive claws 20 on the cap body 702, when a user wears the cap body 702, the plurality of conductive claws 20 are in contact with the head of the user, so that the probability of acquiring electroencephalograms of the user is increased, and the accuracy of detecting the electroencephalograms of the user is improved.

For the convenience of the reader to understand, the following also adds the description of the manufacturing process of the electrode, as shown in fig. 5, the method includes:

step 01: manufacturing the base 10 and the claw body of the conductive claw by using an injection molding process;

the conductive claws radially extend from the edge of the base plate 10 at a predetermined angle to the base 10, and a cylindrical hole 20 is formed in the center of the base 10, and the cylindrical hole 20 is spherical or cylindrical. The base 10 and the conductive claw body are made of polyurethane.

Step 02: placing the prepared base 10 and the claw body of the conductive claw in conductive molten slurry, and brushing the conductive molten slurry on the base 10 and the claw body of the conductive claw;

step 03: putting the base 10 coated with the conductive molten slurry and the claw body of the conductive claw into an oven for drying so as to coat a first conductive layer on the surface of the claw body and coat a second conductive layer on the surface of the base 10;

the first conducting layer and the second conducting layer are used for conducting electroencephalogram signals to form an electroencephalogram electrode for recording the electroencephalogram signals. In some embodiments, the first and second conductive layers may be silver-coated silver chloride coatings, the actual thickness of the silver-coated silver chloride coating depending on the viscosity of the silver-coated silver chloride coating, the greater the viscosity, the thicker the organic conductive polymer coating layer. Meanwhile, the thickness of the silver-silver chloride coating can be increased by brushing and drying for multiple times.

In the embodiment of the present invention, the electrode 1 includes a base 10 and a conductive claw 20, a first end of the conductive claw 20 is connected to the base 10, a second end of the conductive claw 20 is provided with an arc-shaped convex portion, the conductive claw 20 is provided with a first receiving cavity 2011 and a first through hole 203, the first receiving cavity 2011 is used for receiving a conductive medium, the first through hole 203 runs through the arc-shaped convex portion to connect the first receiving cavity 2011 with the outside, the first through hole 203 is used for allowing a conductive medium liquid in the first receiving cavity 2011 to seep out of the arc-shaped convex portion, and the long arc-shaped convex portion can be extended to have an aging of the conductive medium, so as to support the requirement of daily long-term electroencephalogram monitoring; in addition, the arc convex part is used for increasing the contact area contacted with the head of the user, and is favorable for collecting electroencephalogram signals of the user.

The utility model discloses still provide monitoring devices embodiment, monitoring devices include above-mentioned electrode, can refer to above-mentioned embodiment to the structure and the function of electrode, and here is no longer repeated one by one.

It should be noted that the preferred embodiments of the present invention are shown in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, which are not intended as additional limitations to the present invention, and are provided for the purpose of making the understanding of the present disclosure more thorough and complete. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims

1. An electrode, comprising:

a base;

the conductive claw is provided with a first accommodating cavity and a first through hole, the first accommodating cavity is used for accommodating conductive media, the first through hole penetrates through the arc-shaped convex part to communicate the first accommodating cavity with the outside, and the first through hole is used for allowing conductive media liquid in the first accommodating cavity to seep out of the arc-shaped convex part.

2. The electrode of claim 1,

the quantity of electrically conductive claw is a plurality of, and is a plurality of electrically conductive claw encircles the base sets up.

3. The electrode of claim 1,

electrically conductive claw includes the claw body and first conducting layer, first accept the chamber set up in the claw body, the claw body is provided with the arc boss, first conducting layer coat in the claw body, arc boss and first conducting layer are located the part of arc boss constitutes the arc convex part jointly, first through-hole runs through arc boss and first conducting layer are located the part of arc boss.

4. The electrode of claim 3,

the electrode also comprises a second conducting layer, the second conducting layer is coated on the base, and the second conducting layer is connected with the first conducting layer.

5. The electrode of claim 4,

the first conductive layer and the second conductive layer are both prepared from silver or silver chloride.

6. The electrode of claim 4,

the electrode still includes son and detains, box and elasticity cap, the elasticity cap is provided with the second through-hole, the box sets up in the base, the son is detained and is passed behind the second through-hole the box joint, box and son detain common centre gripping the elasticity cap.

7. The electrode of claim 6,

the base is provided with a third through hole, the second conducting layer extends to the wall surface of the third through hole, and the female buckle is in contact with the second conducting layer;

the electrode also comprises an electrode wire, the secondary buckle is connected with the electrode wire, and the female buckle and the secondary buckle both have conductive performance.

8. The electrode of claim 7,

the secondary buckle comprises a first cover plate and an inserting column, one end of the inserting column is connected to the first cover plate, and the electrode wire is connected to the first cover plate;

the female buckle comprises a second cover plate and an inserting barrel, the inserting barrel is connected with the second cover plate, the second cover plate is provided with an opening, the inserting barrel is provided with an inserting cavity, the opening is communicated with the inserting cavity, the inserting barrel is inserted into the third through hole, the inserting column is inserted into the inserting cavity from the opening, and the first cover plate and the second cover plate clamp the elastic cap.

9. The electrode of claim 1,

the base and the conductive claws are both prepared from polyurethane.

10. A monitoring device comprising an electrode according to any one of claims 1 to 9.