CN210077656U

CN210077656U - ERG skin electrode

Info

Publication number: CN210077656U
Application number: CN201821998700.4U
Authority: CN
Inventors: 何良义
Original assignee: MEDCONOVA MEDICAL TECHNOLOGY Co Ltd
Current assignee: MEDCONOVA MEDICAL TECHNOLOGY Co Ltd
Priority date: 2018-11-30
Filing date: 2018-11-30
Publication date: 2020-02-18
Anticipated expiration: 2028-11-30

Abstract

The utility model provides a ERG skin electrode, include: the sensor chip comprises a sensor chip and an electrode body, wherein the lower part of the sensor chip is coated with conductive adhesive; the electrode body is located one end of the sensing chip, the electrode body comprises a metal buckle and an insulating layer, the metal buckle is electrically connected with the sensing chip, the insulating layer is coated on the lower portion of the metal buckle, and the signal acquisition device is electrically connected with the metal buckle through a lead wire and used for acquiring signals. ERG skin electrode passes through the metal button and combines with the sense piece, and when cooperation lead line and collection system carried out the ERG test, because the electrode body was at the sense piece tip, the shape of sense piece is various, and the patient laminates along lower eye socket during the use, and the noise reduction that can be better promotes test stability, reduces patient's uncomfortable sense simultaneously.

Description

ERG skin electrode

Technical Field

The utility model relates to a part of check out test set, concretely relates to disposable, ERG skin electrode.

Background

An ERG (Electroretinogram) signal is used as a weak human body signal, is difficult to collect compared with other weak signals, has extremely low amplitude, and is greatly influenced by common mode interference such as power frequency noise and the like when physiological signals are extracted from a human body.

At present, the traditional ERG main detection method is realized by a corneal contact lens electrode, generally comprises a speculum structure electrode and an LED corneal contact lens electrode, and is the DTL wire electrode or a gold foil electrode which are most commonly used in clinical detection, but the DTL wire electrode or the gold foil electrode has obvious defects that the patient can be greatly painful and uncomfortable, and the production cost is high.

The existing partial electrodes can also be used for carrying out non-contact ERG tests, but received signals are relatively complicated, weak and unstable, aiming at the defects, the structure of the ERG skin electrode is improved, so that the defect that the received ERG signals are small and unstable is overcome, meanwhile, the production cost is low, the wearing is convenient, and excessive discomfort can not be caused to a patient.

The electrodes are specially designed into long strips and are attached along the eye sockets, so that the defect of small and unstable received ERG signals can be effectively overcome, and meanwhile, the electrode is convenient to wear and cannot cause excessive discomfort to patients.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an ERG skin electrode that use signal is stable, low in production cost, wear the convenience, can not produce too much uncomfortable sense to the patient.

The utility model provides a technical scheme that its technical problem adopted is: providing an ERG skin electrode comprising: a sensing sheet, an electrode body, wherein,

the lower part of the sensing sheet is coated with conductive adhesive;

the electrode body is located one end of the sensing chip, the electrode body comprises a metal buckle and an insulating layer, the metal buckle is electrically connected with the sensing chip, the insulating layer is coated on the lower portion of the metal buckle, and the signal acquisition device is electrically connected with the metal buckle through a lead wire and used for acquiring signals.

Above-mentioned ERG skin electrode passes through the metal buckle and combines with the sense piece, and when cooperation lead line and collection system carried out the ERG test, because the electrode body was at the sense piece tip, the shape of sense piece is various, and the patient laminates along lower eye socket during the use, and the noise reduction that can be better promotes test stability, reduces patient's uncomfortable sense simultaneously.

Preferably, the sensing piece has a radian, the radian corresponds to the shape of the eye socket, and when the radian corresponds to the shape of the eye socket, the sensing piece is more attached to the skin such as the eye socket, so that noise can be better reduced, and the test stability is improved.

Preferably, the insulating layer is a Teflon coating, the Teflon coating is a unique high-performance coating, heat resistance, chemical inertness, excellent insulating stability and low friction are combined, the Teflon coating is adopted, the process is mature, the insulating property is good, and particularly compared with other precious metal coatings, the cost is low.

Preferably, the electrode body is positioned at one end of the sensing plate far away from the nasal ala, the sensing plate can be closer to the nasal ala of the person to be detected, and the most accurate sensing result can be obtained because the skin of the person to be detected close to the nasal ala is thinner.

Preferably, the sensing sheet is made of flexible materials and is more attached to the skin such as eye sockets.

The utility model has the advantages that: ERG skin electrode passes through the metal button and combines with the sense piece, and when cooperation lead line and collection system carried out the ERG test, because the electrode body was at the sense piece tip, the shape of sense piece is various, and the patient laminates along lower eye socket during the use, and the noise reduction that can be better promotes test stability, reduces patient's uncomfortable sense simultaneously.

Drawings

FIG. 1 is an embodiment of the ERG skin electrode of the present invention;

FIG. 2 is a schematic cross-sectional view of the ERG skin electrode of FIG. 1 along line AA;

fig. 3 is a schematic diagram of the attachment state of the ERG skin electrode of the present invention.

Description of the main element symbols:

1 electrode body

1a metal buckle

1b insulating layer

2 sensing chip

2a conductive adhesive

Detailed Description

An embodiment of the ERG skin electrode shown in fig. 1 comprises: the method comprises the following steps: electrode body 1, sense piece 2.

As shown in fig. 1 and 3, the electrode body 1 is located at the right end (end far from the nasal ala) of the sensing sheet 2, because the skin of the person to be measured near the nasal ala is thinner, and the sensing sheet 2 is near the nasal ala, the most accurate sensing result can be obtained.

As shown in fig. 2, the lower part of the sensing chip 2 is coated with a conductive adhesive 2a, and the sensing chip 2 has an arc corresponding to the shape of the eye socket, so that the arc is more fit to the skin such as the eye socket when corresponding to the shape of the eye socket, thereby better reducing noise and improving test stability. In order to be more skin-friendly, the sensor chip 2 may be made of a flexible material.

As shown in fig. 2, the electrode body 1 includes a metal button 1a and an insulating layer 1b, in this embodiment, the insulating layer 1b is a teflon coating layer coated on a lower portion of the metal button 1 a; one end of the metal button 1a is electrically connected with the sensing chip 2, and the signal acquisition device is electrically connected with the metal button 1a through a lead wire (not shown) and used for acquiring signals.

In this example, the insulating layer 1b is a teflon coating, which is a unique high-performance coating, combines heat resistance, chemical inertness, excellent insulating stability and low friction, and is mature in process and excellent in insulating property by being coated with teflon, and particularly, compared with other precious metal coatings, the cost is low.

ERG skin electrode passes through the metal button and combines with the sense piece, and when cooperation lead line and collection system carried out the ERG test, because the electrode body was at the sense piece tip, the shape of sense piece is various, wear the convenience, and the patient laminates along lower eye socket during the use, and the noise reduction that can be better promotes test stability, reduces the uncomfortable sense of patient simultaneously. When the Teflon coating is used, the signal is stable, and the production cost is low.

Claims

1. An ERG skin electrode comprising: a sensing sheet, an electrode body, characterized in that,

the lower part of the sensing sheet is coated with conductive adhesive;

2. The ERG skin electrode of claim 1, wherein said sense plate has an arc shape corresponding to an orbital shape.

3. The ERG skin electrode of claim 1, wherein said insulating layer is a teflon coating.

4. The ERG skin electrode of claim 2, wherein said insulating layer is a teflon coating.

5. The ERG skin electrode of any of claims 1 to 4, wherein said electrode body is located at an end of the sensing plate remote from the nasal wings.

6. The ERG skin electrode of any one of claims 1 to 4, wherein the sensing strip is made of a flexible material.

7. The ERG skin electrode of claim 5, wherein said sense plate is made of a flexible material.