CN105514666A - Electrode mounting seat device - Google Patents
Electrode mounting seat device Download PDFInfo
- Publication number
- CN105514666A CN105514666A CN201610018850.3A CN201610018850A CN105514666A CN 105514666 A CN105514666 A CN 105514666A CN 201610018850 A CN201610018850 A CN 201610018850A CN 105514666 A CN105514666 A CN 105514666A
- Authority
- CN
- China
- Prior art keywords
- electrode
- mount pad
- bulb
- pad device
- upper cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/291—Bioelectric electrodes therefor specially adapted for particular uses for electroencephalography [EEG]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
Abstract
The invention relates to an electrode mounting seat device which comprises an electrode seat (3), an upper cover (4), a ball head (5) and a head part (71), wherein one part of the ball head (5) can pass through the upper cover (4), and is fixed in the electrode seat (3); spherical joints are formed between the ball head (5) and the upper cover (4) as well as between the ball head (5) and the head part (71); with the spherical joints, the electrode seat can do joint rotating motion relative to the head part. The electrode mounting seat device realizes maximization of a contact area between an electrode and the scalp and minimization of contact impedance, realizes minimization of a contact resistance and is favorable for precise acquisition of a biological electric signal.
Description
the mutual reference of related application
The application's to be application number be 201310262726.8 divisional applications being called the application for a patent for invention of " electrode assemblie " in the name submitted on June 24th, 2013.
Technical field
The present invention relates to a kind of electrode mount pad device, it is applied to biomedical engineering field, and the contact of auxiliary electrode and scalp gathers bioelectrical signals, also relates to the headstock and electrode assemblie with this electrode mount pad device.
Background technology
Along with the deep development of medical science, Neuscience, cognitive psychology and artificial intelligence study, the fields such as bioelectrical signals is being applied to more and more, and medical science detects, clinical diagnosis and emerging brain-computer interface.Use surface dry electrode to gather EEG signals be widely used for diagnosis brain diseases and judged brain state.In gatherer process, the size of the contact impedance of electrode decides the effect of collection.The contact impedance of electrode is larger, and the EEG signals distortion collected is larger, and effect is also poorer.The contact impedance of electrode is relevant with the contact area of electrode and scalp, and contact area is larger, and impedance is less, is also more conducive to the collection of EEG signals.At present, electrode is fixed on by electrode mount pad device and has on certain flexible plastics headstock.This headstock comprises horn, and this horn is as connector, and connecting electrode mount pad is installed on the headstock.This electrode mount pad device is fixed on the described headstock, comprises the electrode tip holder for fixed electrode.Adopt this setup, between electrode and horn, can not relative motion be produced.Such as, the MindWave electrode system of U.S. NeuroSky (god reads science and technology) company just adopts similar structures.Shape due to the number of people is near-spherical, and surface has certain curvature, and skin has certain elasticity; When electrode plane and scalp surface come in contact, and when electrode centers normal overlaps with the centre normal of scalp contact area, the contact area of electrode and scalp can be made to reach maximum, also can realize minimizing of impedance.But, due to fixing between electrode and horn, can not guarantee that electrode centers normal overlaps with scalp contact area centre normal, thus can not ensure when measuring, electrode centers normal overlaps with scalp contact area centre normal, cause contact area to reduce, contact impedance increases, and is unfavorable for the precise acquisition of bioelectrical signals.
Summary of the invention
The present invention is directed to the technological deficiency that the existing electroencephalograph headstock cannot be guaranteed electrode centers normal is overlapped with scalp contact area centre normal, propose a kind of electrode mount pad device with globe joint structure, this device can make electrode carry out certain angle relative to the horn of the headstock to rotate, thus reach the object in the contact direction regulating electrode and scalp, like this, when electrode plane and scalp come in contact, electrode centers normal just can overlap with scalp contact area centre normal, the contact area of electrode and scalp is made to realize maximizing, also minimizing of contact impedance can be realized, be conducive to the precise acquisition of bioelectrical signals.
The basic thought of the invention is, design between electrode and horn head a kind of can the mechanism of adjusting angle voluntarily, thus reach the contact direction regulating electrode and scalp, make the effect that electrode plane centre normal overlaps with scalp contact area centre normal, also the maximization of electrode and scalp contact area is just achieved, the minimized object of contact impedance.
Based on this design, to achieve these goals, the invention provides a kind of electrode mount pad device, it comprises electrode tip holder, and electrode mount pad device also comprises upper cover, bulb and head, the part of bulb can be fixed in electrode tip holder through upper cover, wherein bulb and form spherical joint between upper cover and head, and this spherical joint makes electrode tip holder can do joint rotary motion relative to head.
According to a kind of favourable execution mode, head has one or more support column, and bulb comprises sphere portion, and sphere portion has Internal Spherical Surface and spherical outside surface, and Internal Spherical Surface and support column form spherical pair, and the inner face of the spherical outside surface of bulb and upper cover forms spherical pair.
According to a kind of favourable execution mode, bulb comprises protuberance, and described protuberance is made up of the one or more claws stretched out from spherical outside surface, and this protuberance is fixed in electrode tip holder through upper cover.
According to a kind of favourable execution mode, the flange in hollow cone mesa-shaped that upper cover comprises ring part and extends from ring part, described ring part is connected with head, and the inner surface of flange and the outer surface of bulb form spherical pair.
According to a kind of favourable execution mode, upper cover is connected with described head by the connected mode of material fit or form fit, and wherein said material fit is any appropriate method such as welding, and described form fit is any appropriate method such as buckle, screw thread.
According to a kind of favourable execution mode, bulb is provided with one or more projection in Internal Spherical Surface, and support column stops protruding with the limiting section being used as limited angular direction of rotation.
According to a kind of favourable execution mode, metal electrode is connected with electrode tip holder by the form of material fit or form fit, and metal clips is connected with electrode tip holder by the form of material fit or form fit.Described material fit is such as any appropriate method such as welding, bonding, and described form fit is such as any appropriate method such as buckle, screw thread.
According to a kind of favourable execution mode, metal electrode and metal clips pass through punch forming.
According to a kind of favourable execution mode, electrode tip holder, upper cover, bulb and horn are made up of insulative polymer material, and are manufactured by modes such as injection mo(u)lding, molded and shaped, moulding by casting.
Any appropriate method such as according to a kind of favourable execution mode, protuberance is fixed in described electrode tip holder by the form of material fit or form fit, and wherein said material fit is welding, described form fit is any appropriate method such as buckle, screw thread.
To achieve these goals, the present invention also provides a kind of electrode mount pad device, it horn comprising electrode tip holder and there is head, it also comprises upper cover and bulb, a part for bulb can be passed upper cover and be fixed in electrode tip holder, wherein bulb and form spherical joint between upper cover and head, this spherical joint makes electrode tip holder can do joint rotary motion relative to the head of horn.
To achieve these goals, the present invention also provides a kind of eeg signal acquisition device, comprises pedestal, and pedestal is connected with at least one horn, each horn is connected with foregoing electrode mount pad device, and described electrode mount pad device is fixed with electrode.
To achieve these goals, the present invention also provides a kind of electrode assemblie, and comprise metal electrode, horn and be arranged on the foregoing electrode mount pad device between metal electrode and horn, metal electrode is fixed on electrode mount pad device.
Accompanying drawing explanation
Embodiments of the invention shown in the drawings and in the following description it being explained in detail.In accompanying drawing:
Fig. 1 is according to electrode assemblie decomposing schematic representation of the present invention,
Fig. 2 is the assembly structure schematic diagram according to electrode assemblie of the present invention, and
Fig. 3 is the structural representation of the bulb according to electrode assemblie of the present invention.
Embodiment
Fig. 1 shows the decomposing schematic representation of each modular construction according to electrode assemblie 10 of the present invention, and in the illustrated embodiment, electrode assemblie 10 comprises metal electrode 1, electrode mount pad device and horn 7.As depicted in figs. 1 and 2, this electrode mount pad device is arranged between metal electrode 1 and horn 7, and this electrode mount pad device comprises metal clips 2, electrode tip holder 3, upper cover 4, bulb 5 and wire 6.In this embodiment, metal electrode 1 can be fixed on to be formed on electrode tip holder 3 and with the metal clips 2 be arranged in electrode tip holder 3 and be electrically connected.At this, metal electrode 1 such as can be connected with electrode tip holder 3 by the form of material fit or form fit, metal clips 2 also can be such as connected with electrode tip holder 3 by the form of material fit or form fit, described material fit is such as any appropriate method such as welding, bonding, and described form fit is such as any appropriate method such as buckle, screw thread.In addition, metal electrode 1 and metal clips 2 can make processing become simple by punch forming, and metal electrode 1 and metal clips 2 can form electrical connection by Elastic Contact.
As shown in Figure 2 each parts of electrode mount pad device and electrode 1 and horn 7 be assembled together after schematic diagram.Wherein, horn 7 has head 71, and upper cover 4 can match to keep bulb 5 with this head 71, wherein bulb 5 and form spherical joint between upper cover 4 and head 71, can do joint rotary motion.Preferably, the flange in hollow frustum shape that upper cover 4 comprises ring part and extends from ring part, described ring part is connected with described head (71).A part for bulb 5 such as can be passed upper cover 4 and be fixed in electrode tip holder 3, preferably, through upper cover 4 the flange in hollow frustum shape and be fixed in electrode tip holder 3 and described ring part coordinates with described head 71, thus, described upper cover 4 matches with head 71 to keep described bulb 5, as shown in Figure 2.At this, one end of wire 6 is electrically connected through the medium pore thus such as formed by welding and metal clips 2 through upper cover 4 of bulb 5, and the other end is connected with unshowned measuring circuit through horn 7 as exit.Wire 6 is preferably umbrella, by engaging to be fixed better with bulb 5 through one end of bulb 5.
In addition, as depicted in figs. 1 and 2, the head 71 of horn 7 is in inside formation and the accommodation section for holding bulb 5 and wire 6, and described head 71 such as preferably has close with the matching form of upper cover 4 round-shaped, upper cover 4 can be connected with the head 71 of horn 7 preferably by material fit or the connected mode of form fit, any appropriate method such as wherein said material fit is welding, described form fit is any appropriate method such as buckle, screw thread.Preferred described head 71 also has flange to match with the flange of upper cover 4.Concrete structure and the shape of head 71 and upper cover 4 are not limited to above-mentioned, as long as can form spherical joint with bulb 5.
Fig. 1, Fig. 2 and Fig. 3 show the preferred implementation of bulb 5.Bulb 5 comprises sphere portion 51 and protuberance 52.Described protuberance 52 is made up of the one or more claws stretched out from spherical outside surface.Protuberance 52 is such as fixed in electrode tip holder 3 by the form of material fit or form fit through upper cover 4 when assembling.Sphere portion 51 comprises spherical outside surface and Internal Spherical Surface and is arranged between horn 7 and upper cover 4, and thus, bulb 5 and form spherical joint between upper cover 4 and head 7, can do joint rotary motion.Preferably, one or more support column 711 is provided with in the head 71 of horn 7, the support column 711 of the Internal Spherical Surface of bulb 5 (sphere portion) and head 71 central authorities of horn 7 forms spherical pair and the spherical outside surface of bulb 5 (sphere portion) and the inner face of upper cover 4 form spherical pair (more specifically, the inner surface of the spherical outside surface of bulb 5 and the flange of upper cover 4 forms spherical pair), namely globe joint structure is defined, as clearly shown in Figure 2.By the globe joint structure formed like this, electrode tip holder 3 can do joint rotary motion relative to described head 71, because metal electrode 1 is installed on electrode tip holder 3, so, metal electrode 1 freely can rotate within the specific limits relative to horn 7, and shape is at a certain angle.Thus, the angle of metal electrode 1 and scalp contact area can be adjusted within the specific limits, the centre of surface line of metal electrode 1 is overlapped with the centre normal of scalp contact area, thus realizes the Maximum Contact area of metal electrode 1 and scalp and then realize minimum contact impedance.
Bulb 5 can have different execution modes.See Fig. 3, it illustrates the detail characteristic of bulb 5 one kinds of execution modes, wherein, bulb 5 is preferably provided with three projections 53 in Internal Spherical Surface, as three limiting sections of limited angular direction of rotation, thus define the rotational angle of metal electrode 1 relative to horn 7, those skilled in the art can be known, because the Internal Spherical Surface of bulb 5 and support column 711 form spherical pair, therefore, support column 711 stops described protruding 53 i.e. limited angular direction of rotation, namely defines the rotational angle of metal electrode 1 relative to horn 7.Certainly, three projections 53 that the nonessential setting of described limiting section and being not limited to exemplarily illustrates in figure 3 also can be arbitrary number or other form, as long as can realize the restriction to rotary direction of angle.The protuberance 52 of bulb 5 is such as made up of three claws stretched out from spherical outside surface.Certainly, the quantity of claw is also not limited to three, correspondingly can arrange individual arbitrarily according to design space.
Preferably, electrode tip holder 3, upper cover 4, bulb 5, horn 7 are made up of insulative polymer material, and can be manufactured by modes such as injection mo(u)lding, molded and shaped, moulding by casting, make processing simple and cost is very low.
Figure 2 shows that the electrode assemblie according to preferred version of the present invention, the mode of metal electrode 1, metal clips 2, electrode tip holder 3, upper cover 4, bulb 5, wire 6, horn 7 as described above is assembled together, the globe joint structure formed thus makes metal electrode 1 can form angle within the specific limits relative to horn 7, thus can adjust the angle of metal electrode 1 and scalp contact area within the specific limits.
Protection scope of the present invention is only defined by the claims.Have benefited from instruction of the present invention; those skilled in the art can make various modification, amendment or replacement to the present invention as the case may be when not exceeding protection scope of the present invention, and these modification, amendment or replacement all should fall into protection scope of the present invention.
Reference numerals list
1 metal electrode
2 metal clipss
3 electrode tip holders
4 upper covers
5 bulbs
51 sphere portions
52 protuberances
53 is protruding
6 wires
7 horns
71 heads
711 support columns.
Claims (12)
1. an electrode mount pad device, comprise electrode tip holder (3), it is characterized in that, described electrode mount pad device also comprises upper cover (4), bulb (5) and head (71), a part for described bulb (5) can be passed described upper cover (4) and be fixed in described electrode tip holder (3), wherein said bulb (5) and form spherical joint between described upper cover (4) and described head (71), this spherical joint makes described electrode tip holder (3) can do joint rotary motion relative to described head (71).
2. according to electrode mount pad device according to claim 1, it is characterized in that, described head (71) has one or more support column (711), described bulb (5) comprises sphere portion (51), sphere portion (51) has Internal Spherical Surface and spherical outside surface, Internal Spherical Surface and described support column (711) form spherical pair, and the inner face of the spherical outside surface of described bulb (5) and described upper cover (4) forms spherical pair.
3. according to electrode mount pad device according to claim 2, it is characterized in that, described bulb (5) comprises protuberance (52), described protuberance (52) is made up of the one or more claws stretched out from spherical outside surface, and this protuberance (52) is fixed in described electrode tip holder (3) through described upper cover (4).
4. according to the electrode mount pad device according to any one of claims 1 to 3, it is characterized in that, the flange in hollow cone mesa-shaped that described upper cover (4) comprises ring part and extends from ring part, described ring part is connected with described head (71), and the inner surface of the flange of described upper cover and the outer surface of described bulb (5) form spherical pair.
5. according to the electrode mount pad device described in Claims 2 or 3, it is characterized in that, described bulb (5) is provided with one or more projection (53) in Internal Spherical Surface, and described support column (711) stops that described projection (53) is to be used as the limiting section of limited angular direction of rotation.
6. an electrode mount pad device, comprise electrode tip holder (3) and there is the horn (7) of head (71), it is characterized in that, also comprise upper cover (4) and bulb (5), a part for described bulb (5) can be passed described upper cover (4) and be fixed in described electrode tip holder (3), wherein said bulb (5) and form spherical joint between described upper cover (4) and described head (71), this spherical joint makes described electrode tip holder (3) can do joint rotary motion relative to the head of described horn (7).
7. according to electrode mount pad device according to claim 6, it is characterized in that, described head (71) has one or more support column (711), described bulb (5) comprises sphere portion (51), sphere portion (51) has Internal Spherical Surface and spherical outside surface, Internal Spherical Surface and described support column (711) form spherical pair, and the inner face of the spherical outside surface of described bulb (5) and described upper cover (4) forms spherical pair.
8. according to electrode mount pad device according to claim 7, it is characterized in that, described bulb comprises protuberance (52), described protuberance (52) is made up of the one or more claws stretched out from spherical outside surface, and this protuberance (52) is fixed in described electrode tip holder (3) through described upper cover.
9. according to the electrode mount pad device according to any one of claim 6 to 8, it is characterized in that, the flange in hollow cone mesa-shaped that described upper cover (4) comprises ring part and extends from ring part, described ring part is connected with the outer surface of described head, and the inner surface of described flange and the outer surface of described bulb form spherical pair.
10. according to the electrode mount pad device described in claim 7 or 8, it is characterized in that, described bulb (5) is provided with one or more projection (53) in Internal Spherical Surface, and described support column stops that described projection is to be used as the limiting section of limited angular direction of rotation.
11. 1 kinds of eeg signal acquisition devices, comprise pedestal, pedestal is connected with at least one horn, each horn is connected with electrode mount pad device, described electrode mount pad device is fixed with electrode, it is characterized in that, described electrode mount pad device is the electrode mount pad device in claim 1 to 5 described in any one.
12. 1 kinds of electrode assemblies, the electrode mount pad device comprising metal electrode (1), horn (7) and be arranged between described metal electrode (1) and described horn (7), described metal electrode (1) is fixed on described electrode mount pad device, it is characterized in that, described electrode mount pad device is the electrode mount pad device in claim 1 to 5 described in any one.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310262726.8A CN104241934B (en) | 2013-06-24 | 2013-06-24 | Electrode assemblie |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310262726.8A Division CN104241934B (en) | 2013-06-24 | 2013-06-24 | Electrode assemblie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105514666A true CN105514666A (en) | 2016-04-20 |
Family
ID=52229555
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310262726.8A Active CN104241934B (en) | 2013-06-24 | 2013-06-24 | Electrode assemblie |
| CN201610018850.3A Pending CN105514666A (en) | 2013-06-24 | 2013-06-24 | Electrode mounting seat device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310262726.8A Active CN104241934B (en) | 2013-06-24 | 2013-06-24 | Electrode assemblie |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104241934B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108309291A (en) * | 2018-03-12 | 2018-07-24 | 复旦大学 | A kind of flexible contact electrode for encephalograms and preparation method thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107928667B (en) * | 2017-11-28 | 2020-07-31 | 北京机械设备研究所 | Electroencephalogram acquisition wet electrode |
| CN109044344A (en) * | 2018-07-24 | 2018-12-21 | 西安蓝港数字医疗科技股份有限公司 | A kind of antistatic electrodes and integrated conducting wire |
| CN111244705B (en) * | 2020-01-07 | 2021-08-06 | 中国科学院大学宁波华美医院 | A test is with connecting wire for artificial heart pacemaker implants |
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| CN201312803Y (en) * | 2008-12-18 | 2009-09-23 | 深圳市理邦精密仪器有限公司 | Novel chest electrode |
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| CN102160786A (en) * | 2010-02-18 | 2011-08-24 | 大韩医疗系统株式会社 | Connecting structure of snap electrode and electric wire |
| CN102280756A (en) * | 2010-06-10 | 2011-12-14 | 北京固融科技有限公司 | Rotary type electric connection device, plug thereof, socket thereof and power extension strip thereof |
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| US6201982B1 (en) * | 1998-07-02 | 2001-03-13 | Baltimore Biomedical, Inc. | Quick-placement electroencephalogram (EEG) electrode |
| KR20050072965A (en) * | 2004-01-08 | 2005-07-13 | 림스테크널러지주식회사 | Active dry sensor module for measurement of bioelectricity |
| WO2009098613A1 (en) * | 2008-02-04 | 2009-08-13 | Koninklijke Philips Electronics, N.V. | Shielded electrode connector |
| CN202408896U (en) * | 2011-12-03 | 2012-09-05 | 干沁怡 | Electroencephalogram electrode |
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2013
- 2013-06-24 CN CN201310262726.8A patent/CN104241934B/en active Active
- 2013-06-24 CN CN201610018850.3A patent/CN105514666A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090253975A1 (en) * | 2008-04-04 | 2009-10-08 | Mark Tiegs | ECG monitoring electrode |
| CN201312803Y (en) * | 2008-12-18 | 2009-09-23 | 深圳市理邦精密仪器有限公司 | Novel chest electrode |
| CN102160786A (en) * | 2010-02-18 | 2011-08-24 | 大韩医疗系统株式会社 | Connecting structure of snap electrode and electric wire |
| CN102280756A (en) * | 2010-06-10 | 2011-12-14 | 北京固融科技有限公司 | Rotary type electric connection device, plug thereof, socket thereof and power extension strip thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108309291A (en) * | 2018-03-12 | 2018-07-24 | 复旦大学 | A kind of flexible contact electrode for encephalograms and preparation method thereof |
| CN108309291B (en) * | 2018-03-12 | 2023-11-24 | 复旦大学 | Flexible contact brain electrode and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104241934B (en) | 2016-08-24 |
| CN104241934A (en) | 2014-12-24 |
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