High-precision electrical stimulation electrode sensor

Abstract

The utility model relates to a high-precision electrical stimulation electrode sensor, which aims at solving the technical problems of high-precision transcranial electrical stimulation which is convenient to flexibly disassemble and assemble, convenient to clean and maintain, capable of effectively reducing electrode scalp impedance and capable of effectively conducting stimulation current, and comprises an electrode base, an electrode upper piece, an electrode sensor element and a wire, the bottom of the upper electrode piece is connected with the top of the electrode base through a buckle; the electrode sensor element is embedded in the electrode upper piece; the electrode sensor element is located at the bottom end of the upper electrode piece and protrudes out of the bottom plane of the upper electrode piece, and the upper electrode piece is inserted into the middle of the electrode base; a wire is inserted into the upper electrode piece shell; the utility model has the advantages that flexible disassembly and assembly are convenient, cleaning and maintenance are convenient, scalp impedance of the electrode is effectively reduced, the electrode can be inserted into the lower end of the electrode base, so that the electrode is closer to the scalp, impedance is reduced, and current conduction is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of electrode sensors, in particular to a high-precision electrical stimulation electrode sensor. Background Art

[0002] High-precision transcranial electrical stimulation is a focused electrical stimulation technology that changes the membrane excitability of neurons by applying a weak current to the scalp. As a non-invasive brain nerve regulation technology, it is widely used clinically to treat chronic pain, improve cognitive function, epilepsy, depression, Parkinson's disease and other diseases.

[0003] For traditional high-precision electrical stimulation electrodes, there are multiple components in cooperation, and there are individual small parts, which are not convenient for installation and disassembly and are at risk of being easily lost; the electrode sensing element is directly connected to the wire without effective protection and is easily damaged; the electrode sensor element is far from the scalp, the scalp impedance of the electrode is high, which is not conducive to current conduction; during the use of the stimulation electrode, there is current passing through, and the electrode sensing element is easily damaged.

[0004] In view of this, we propose a high-precision electrical stimulation electrode sensor. Content of the Utility Model

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art, meet the actual needs, and provide a high-precision electrical stimulation electrode sensor to solve the technical problems of high-precision transcranial electrical stimulation that is convenient for flexible disassembly and assembly, easy to clean and maintain, effectively reduces the scalp impedance of the electrode, and effectively conducts the stimulation current.

[0006] To achieve the purpose of the utility model, the technical solution adopted by the utility model is: designing a high-precision electrical stimulation electrode sensor, including an electrode base, an electrode upper part, an electrode sensor element and a wire;

[0007] Electrode base;

[0008] The bottom of the electrode upper part is connected to the top of the electrode base through a buckle;

[0009] The electrode sensor element is embedded in the electrode upper part;

[0010] The electrode sensor element is set in a ring shape and a circular sheet shape;

[0011] Wherein, the electrode sensor element is located at the bottom end of the electrode upper part and protrudes from the bottom plane of the electrode upper part, and the electrode upper part is inserted into the middle of the electrode base;

[0012] The wire is inserted into the outer shell of the electrode upper part;

[0013] Wherein, the inner end of the wire is electrically connected to the electrode sensor element.

[0014] Preferably, the electrode sensor element is 1-10 mm away from the bottom plane of the electrode base.

[0015] Preferably, the electrode base includes a base screw thread and a base nut, and the base screw thread and the base nut are threadedly connected;

[0016] Wherein, a fixed groove is formed between the base screw thread and the base nut.

[0017] Preferably, the bottom of the base screw thread is filled with a conductive medium, and the conductive medium contacts the electrode sensor element.

[0018] Preferably, two holding positions A are symmetrically arranged on the base nut, and a holding position B is arranged on the upper electrode part.

[0019] Preferably, an overflow glue hole is formed at the top of the upper electrode part, and the overflow glue hole corresponds to the electrode sensor element.

[0020] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0021] 1. By providing an electrode base, an upper electrode part and an electrode sensor element, the present utility model has the advantages of being convenient for flexible disassembly and assembly, easy to clean and maintain, effectively reducing the scalp impedance of the electrode. The electrode can be inserted into the lower end of the electrode base, so that it is closer to the scalp, reducing the impedance and facilitating current conduction.

[0022] 2. By providing the holding positions A and B, the present utility model has the advantage of providing a stress point during the installation or disassembly of the electrode base and the upper electrode part, facilitating the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0024] Figure 2 is a schematic diagram of the disassembled structure of the present utility model;

[0025] Figure 3 is a schematic diagram of the front sectional disassembled structure of the present utility model;

[0026] Figure 4 is a schematic diagram of the distribution of the fixed grooves of the present utility model;

[0027] Figure 5 is a schematic diagram of the sectional connection structure of the electrode sensor element of the present utility model;

[0028] Figure 6 is a schematic diagram of the distribution of the conductive medium of the present utility model;

[0029] In the figure: 1. Electrode base; 2. Upper electrode part; 3. Electrode sensor element; 4. Lead wire; 5. Conductive medium;

[0030] 11. Base screw thread; 12. Base nut; 13. Holding position A; 14. Fixed groove;

[0031] 21. Glue overflow hole; 22. Holding position B. Detailed implementation mode

[0032] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments:

[0033] Embodiment 1: A high-precision electrical stimulation electrode sensor, see Figures 1 to 4 、 Figure 6 , including an electrode base 1, an electrode upper part 2, an electrode sensor element 3 and a wire 4;

[0034] The bottom of the electrode upper part 2 is connected to the top of the electrode base 1 through a buckle; the electrode sensor element 3 is embedded in the electrode upper part 2; the electrode sensor element 3 is in a ring shape; wherein, the electrode sensor element 3 is located at the bottom end of the electrode upper part 2 and protrudes from the bottom plane of the electrode upper part 2, and the electrode upper part 2 is inserted into the middle of the electrode base 1; the wire 4 is inserted into the outer shell of the electrode upper part 2; wherein, the inner end of the wire 4 is electrically connected to the electrode sensor element 3.

[0035] By setting the electrode base 1, the electrode upper part 2 and the electrode sensor element 3, the present utility model has the advantages of being convenient for flexible disassembly and assembly, convenient for cleaning and maintenance, effectively reducing the scalp impedance of the electrode, and effectively conducting the stimulation current.

[0036] Specifically, the distance between the electrode sensor element 3 and the bottom plane of the electrode base 1 is 1-10 mm.

[0037] Further, the electrode base 1 includes a base screw thread 11 and a base nut 12, and the base screw thread 11 and the base nut 12 are in threaded connection; wherein, a fixed groove 14 is formed between the base screw thread 11 and the base nut 12.

[0038] By setting the base screw thread 11 and the base nut 12, the present utility model has the advantages that the base screw thread 11 and the base nut 12 are connected by a threaded manner, which is convenient for installation or disassembly.

[0039] Still further, a conductive medium 5 is filled at the bottom of the base screw thread 11, and the conductive medium 5 is in contact with the electrode sensor element 3, and the conductive medium 5 plays a role in conducting electricity.

[0040] It is worth noting that two holding positions A 13 are symmetrically arranged on the base nut 12, and a holding position B 22 is arranged on the electrode upper part 2.

[0041] By setting the holding position A 13 and the holding position B 22, the present utility model has the advantages of providing a force application point during the installation or disassembly of the electrode base 1 and the electrode upper part 2, which is convenient for operation.

[0042] It should be noted that an overflow glue hole 21 is provided at the top of the electrode upper part 2, and the overflow glue hole 21 corresponds to the electrode sensor element 3, and the glue liquid is injected through the overflow glue hole 21.

[0043] Embodiment 2: A high-precision electrical stimulation electrode sensor, see Figure 5 ;

[0044] The electrode sensor element 3 is in a circular sheet shape, and the overflow glue hole 21 provided at the top of the electrode upper part 2 is adapted to the circular sheet-shaped electrode sensor element 3.

[0045] The electrode base 1 can integrally form a fixing groove 14, which is different from the connection methods of the base nut 12 and the base screw thread 11.

[0046] Working principle: The electrode base 1 and the electrode upper part 2 are fixed through a snap or extrusion structure, which is convenient for disassembly and assembly; the connection part between the electrode sensor element 3 and the wire 4 is fixedly encapsulated, effectively protected, resistant to tensile pulling and bending, not easily damaged, and durable; the electrode sensor element 3 protrudes from the bottom plane of the electrode upper part 2, which is convenient for cleaning and maintenance at the same time. Grinding the surface of the electrode sensor element 3 can extend the service life; the electrode sensor element 3 is inserted into the lower end of the electrode base 1, and the electrode sensor element 3 is close to the scalp, effectively reducing the impedance from the electrode to the skin and effectively conducting the stimulation current.

[0047] The embodiments disclosed in the present utility model are preferred embodiments, but are not limited thereto. Those of ordinary skill in the art can easily understand the spirit of the present utility model based on the above embodiments and make different extensions and changes. However, as long as they do not depart from the spirit of the present utility model, they are within the protection scope of the present utility model.

Claims

1. A high-precision electrical stimulation electrode sensor, characterized in that Comprising: Electrode base (1); Upper electrode part (2), the bottom of which is connected to the top of the electrode base (1) by a buckle; Electrode sensor element (3), embedded in the upper electrode part (2); Wherein, the electrode sensor element (3) is arranged in a ring shape and a disc shape; Wherein, the electrode sensor element (3) is located at the bottom end of the upper electrode part (2) and protrudes from the bottom plane of the upper electrode part (2), and the upper electrode part (2) is inserted into the lower end of the electrode base (1); Wire (4), inserted into the outer shell of the upper electrode part (2); Wherein, the inner end of the wire (4) is electrically connected to the electrode sensor element (3).

2. The high-precision electrical stimulation electrode sensor according to claim 1, wherein The electrode sensor element (3) is 1 - 10 mm away from the bottom plane of the electrode base (1).

3. The high-precision electrical stimulation electrode sensor according to claim 1, characterized in that The electrode base (1) includes a base screw thread (11) and a base nut (12), and the base screw thread (11) and the base nut (12) are threadedly connected; Wherein, a fixed groove (14) is formed between the base screw thread (11) and the base nut (12).

4. The high-precision electrical stimulation electrode sensor according to claim 3, characterized in that, The bottom of the base screw thread (11) is filled with a conductive medium (5), and the conductive medium (5) contacts the electrode sensor element (3).

5. The high-precision electrical stimulation electrode sensor according to claim 3, wherein Two holding positions A (13) are symmetrically arranged on the base nut (12), and a holding position B (22) is arranged on the upper electrode part (2).

6. The high-precision electrical stimulation electrode sensor according to claim 1, characterized in that, An overflow glue hole (21) is formed at the top of the upper electrode part (2), and the overflow glue hole (21) corresponds to the electrode sensor element (3).

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