CN208864321U

CN208864321U - A kind of gold disc electrode

Info

Publication number: CN208864321U
Application number: CN201721075048.4U
Authority: CN
Inventors: 夏宇
Original assignee: Suzhou Repusi Electronics Co Ltd
Current assignee: Suzhou Repusi Electronics Co Ltd
Priority date: 2017-08-25
Filing date: 2017-08-25
Publication date: 2019-05-17
Anticipated expiration: 2027-08-25

Abstract

The utility model discloses a kind of gold disc electrodes.The gold disc electrode includes the internal connector for being equipped with a terminal, electrode slice including a plate-like piece and a bent sheet, the conducting wire that one end is connected with connector, the other end is connected with bent sheet, and the inside of terminal, the conductive filament that the other end is connected by the inside of conducting wire with bent sheet is arranged in one end；Wherein, electrode slice is made of copper, and outside is coated with the sacrificial layer of one layer of nickel, and the outside of sacrificial layer is coated with the working lining of one layer of gold system.In the utility model gold disc electrode by electrode slice, using copper nickel plating, gold-plated technique is made again, good conductivity, noise are small, polarization potential is stables, can be used in electroencephalography work in collect brain wave stable enough.

Description

A kind of gold disc electrode

Technical field

The utility model relates to Medical Devices, in particular to a kind of gold disc electrode.

Background technique

In medical treatment detection work, circular electrode is often chosen for the scalp electrode for carrying out electroencephalography work, It not only has, in inspection no pain not damaged to examinate, and operating process will not cause the sense that intersects between patient The advantages that dye, additionally it is possible to allow by the postures such as the clinostatism loosened with comfortable progress electroencephalography is checked, compared with traditional electrode Seat is traced, and target user is more extensive.

The electrode slice of existing circular electrode is generally made of brass, and wherein copper content is no more than 75%, and electric conductivity is very Difference, noise is higher when use, and polarization potential is very unstable, even if some circular electrodes can pass through the surface gold-plating or chlorination in copper The mode of silver improves its electric conductivity, but often its effect is still difficult to collect brain stable enough in electroencephalography work Electric wave.

Utility model content

To solve the above problems, the utility model provides a kind of gold disc electrode.

One aspect according to the present utility model provides a kind of gold disc electrode, comprising: inside is equipped with the company of a terminal Connect device, the electrode slice including a plate-like piece and a bent sheet, one end is connected with the connector, the other end with it is described curved Conducting wire and one end that tabs is connected are arranged in the inside of the terminal, the other end by the inside of the conducting wire with it is described The conductive filament that bent sheet is connected；Wherein, the electrode slice is made of copper, and outside is coated with the sacrificial layer of one layer of nickel, sacrificial layer Outside be coated with one layer gold system working lining.

Gold disc electrode is gold-plated again not less than 99.99% fine copper nickel plating using copper content by electrode slice in the utility model Technique be made, good conductivity, noise are small, polarization potential is stable, can be used in electroencephalography work in and collect enough Stable brain wave.

In some embodiments, the terminal is hollow, and one end is line end, and the other end is inserted terminal, described The end of inserted terminal is equipped with socket, and outer peripheral surface is equipped with injection molding positioning region.Thus, it is possible to obtain the concrete structure design of terminal.

In some embodiments, the length of the terminal is 15.50mm, outer diameter 2.12mm, internal diameter 1.5mm, institute The length for stating inserted terminal is 8.35mm, and the diameter of the socket is 0.1mm.Thus, it is possible to obtain the specific size design of terminal.

In some embodiments, the length of the conducting wire is 1.5m, diameter 1.2mm.Thus, it is possible to obtain conducting wire Concrete specification.

In some embodiments, the outside of the plate-like piece is horizontal bottom ring, and inside is on the bottom ring Upper layer ring is protruded, the center of the upper layer ring is equipped with centre bore.Thus, it is possible to obtain the specific structure of the plate-like piece on electrode slice Design.

In some embodiments, the bottom ring with a thickness of 0.75mm, peripheral diameter 9.38mm, the upper layer The peripheral diameter of ring is 7mm, and the diameter of the centre bore is 1.3mm.Thus, it is possible to obtain the specific of the plate-like piece on electrode slice Size design.

In some embodiments, the bent sheet includes connection sheet and welding piece, and the length of the connection sheet is 1.70mm, width 1.12mm, the length of the welding piece are 5mm.Thus, it is possible to obtain the specific of the bent sheet on electrode slice Structure snd size design.

In some embodiments, sacrificial layer with a thickness of 300 μm, working lining with a thickness of 3 μm.Thus, it is possible to obtain The specific structure of electrode slice.

Detailed description of the invention

Fig. 1 is a kind of schematic diagram of gold disc electrode of one embodiment of the utility model；

Fig. 2 is the internal structure chart of gold disc electrode shown in FIG. 1；

Fig. 3 is the structural schematic diagram of terminal shown in FIG. 1；

Fig. 4 is the structural schematic diagram of electrode slice shown in FIG. 1.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

Fig. 1 schematically shows that a kind of a kind of gold disc electrode of embodiment according to the present utility model, Fig. 2 are shown The internal structure of gold disc electrode in Fig. 1.As shown in Figure 1, gold disc electrode includes connector 1, conducting wire 2 and electrode slice 3, conducting wire 2 Both ends respectively connected connector 1 and electrode slice 3.As shown in Fig. 2, the inside of connector 1 is equipped with a terminal 11, outer layer is then Terminal 11 is wrapped up using plastic material, a conductive filament 4 is connected on terminal 11, conductive filament 4 is interior by conducting wire 2 Portion, the other end are connected on electrode slice 3.Electrode slice 3 includes a plate-like piece 31 and a bent sheet 32, wherein bent sheet 32 It welds with 4 phase of conductive filament, and is wrapped up in the outside of the two junction using plastic sheath.

Fig. 3 shows the structure of the terminal of gold disc electrode shown in Fig. 1, wherein 3 (a) be side view, 3 (b) be vertical view Figure.As shown in Fig. 3 (a) -3 (b), terminal 11 be it is hollow, one end be line end 12, the other end be inserted terminal 13, line end 12 for being inserted into conductive filament 4, and the end of inserted terminal 13 is equipped with socket 132, for being inserted into acusector, inserted terminal 13 to gold disc electrode Outer peripheral surface be equipped with injection molding positioning region 131, injection molding positioning region 131 tool there are two and position it is opposite, for terminal 11 It is fixed when injection molding.

The total length of terminal 11 is 15.5mm, and wherein the length of inserted terminal 13 is 8.35mm, and 13 end of inserted terminal is slotting The diameter of mouth 132 is 0.1mm.The outer diameter of terminal 11 is 2.12mm, internal diameter 1.5mm, it is clear that the diameter of conductive filament 4 is less than end The internal diameter of son 11.

Fig. 4 shows the structure of the electrode slice of gold disc electrode shown in Fig. 1, wherein 4 (a) be top view, 4 (b) be side View.As shown in Fig. 4 (a) -4 (b), electrode slice 3 is made of a plate-like piece 31 and a bent sheet 32, wherein plate-like piece 31 The bottom ring 311 of outer peripheral portion is horizontal, then its internal upper layer ring 312 to continue protrusion to center, and in upper layer ring 312 Center, i.e., the most central part of entire plate-like piece 31 is equipped with a centre bore 33.Bent sheet 32 includes connection sheet 321 and welding Piece 322, wherein the both ends of connection sheet 321 are separately connected bottom ring 311 and welding piece 322, and welding piece 32 is used for and conductive filament 4 It is welded and fixed.

Bottom ring 311 is with a thickness of 0.75mm, peripheral diameter, that is, the peripheral diameter of entire plate-like piece 31 9.38mm, high spot calculates since with 311 intersection of bottom ring, and the peripheral diameter of upper layer ring 312 is 7mm, and is located at disk The diameter of the most central centre bore 33 of shape piece 31 is 1.3mm.And for bent sheet 32, the length of connection sheet 321 thereon is 1.7mm, width 1.12mm, and the length of welding piece 322 is 5mm.

In the present invention, terminal 11 is general is attached by the way of crimping, and plug number is not less than 100,000 It is secondary.The outer of conducting wire 2 is made of medical grade plastic, pulling force 15g, and resistance is 0.5 Ω/M, and diameter is generally 1.2mm, long Degree, which can according to need, is designed and chooses such as 1.5m etc..The D.C. resistance of electrode slice 3 is less than less than 1 Ω, AC resistance 2k Ω, dc shift are less than 300mv.

Electrode slice 3 is made of fine copper, and the copper content in the fine copper is not less than 99.99%, and the outside of fine copper is coated with one layer Sacrificial layer, sacrificial layer are made of nickel, and with a thickness of 300 μm, the outside of sacrificial layer is coated with one layer of working lining, and working lining is composed of gold, With a thickness of 3 μm.Plating when can using routine barrel plating by the way of, but more preferably can by the way of rack plating so that Coating is more uniform.The effect that good conductivity, noise are small, polarization potential is stable may be implemented in the Nomenclature Composition and Structure of Complexes of the electrode slice 3, Brain wave stable enough can be collected in electroencephalography work.

Above-described is only some embodiments of the utility model.For those of ordinary skill in the art, Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to practical Novel protection scope.

Claims

1. a kind of gold disc electrode, it is characterised in that: including

The inside of connector (1), the connector (1) is equipped with a terminal (11)；

One end of conducting wire (2), the conducting wire (2) is connected with the connector (1)；

Electrode slice (3), the electrode slice (3) include a plate-like piece (31) and a bent sheet (32), the bent sheet (32) It is connected with the other end of the conducting wire (2)；

Conductive filament (4), in the inside of the terminal (11), the other end passes through the conducting wire for one end setting of the conductive filament (4) (2) inside is connected with the bent sheet (32)；

Wherein, the electrode slice (3) is made of copper, and outside is coated with the sacrificial layer of one layer of nickel, and the outside of sacrificial layer is coated with one layer The working lining of gold system.

2. a kind of gold disc electrode according to claim 1, it is characterised in that: the terminal (11) is hollow, one end For line end (12), the other end is inserted terminal (13), and the end of the inserted terminal (13) is equipped with socket (132), sets on outer peripheral surface There are injection molding positioning region (131).

3. a kind of gold disc electrode according to claim 1, it is characterised in that: the length of the terminal (11) is 15.50mm, Outer diameter is 2.12mm, internal diameter 1.5mm.

4. a kind of gold disc electrode according to claim 2, it is characterised in that: the length of the inserted terminal (13) is 8.35mm, the diameter of the socket (132) are 0.10mm.

5. a kind of gold disc electrode according to claim 1, it is characterised in that: the length of the conducting wire (2) is 1.5m, diameter For 1.2mm.

6. a kind of gold disc electrode according to claim 1, it is characterised in that: the outside of the plate-like piece (31) is horizontal Bottom ring (311), inside are the upper layer ring (312) protruded above in the bottom ring (311), the center of the upper layer ring (312) Equipped with centre bore (33).

7. a kind of gold disc electrode according to claim 6, it is characterised in that: the bottom ring (311) with a thickness of 0.75mm, peripheral diameter 9.38mm.

8. a kind of gold disc electrode according to claim 6, it is characterised in that: the peripheral diameter of the upper layer ring (312) is 7.00mm, the diameter of the centre bore (33) are 1.30mm.

9. a kind of gold disc electrode according to claim 1, it is characterised in that: the bent sheet (32) includes connection sheet (321) and welding piece (322), the length of the connection sheet (321) are 1.70mm, width 1.12mm, the welding piece (322) Length be 5.00mm.

10. a kind of gold disc electrode according to claim 1, it is characterised in that: sacrificial layer with a thickness of 300 μm, working lining With a thickness of 3 μm.