CN85200117U - Electroencephalography measuring electrocle - Google Patents
Electroencephalography measuring electrocle Download PDFInfo
- Publication number
- CN85200117U CN85200117U CN 85200117 CN85200117U CN85200117U CN 85200117 U CN85200117 U CN 85200117U CN 85200117 CN85200117 CN 85200117 CN 85200117 U CN85200117 U CN 85200117U CN 85200117 U CN85200117 U CN 85200117U
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- electrode
- tie rod
- liftable
- slice
- eeg measurement
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- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The utility model relates to a novel electroencephalography measuring electrode which comprises a hair claw, an electrode slice, an electrode elevating connecting rod, buckles of the electrode elevating connecting rod, a support leg for the hair claw, a retractable elastic support and an inflatable rubber tube. The retractable elastic support and the inflatable rubber tube are used for automatically positioning and fixing the electrode which can be automatically contacted with the scalp by the hair claw. An inner chamber of the electrode elevating connecting rod is provided with a reservoir which is connected with an electrode liquid sucking body connected with the electrode. The electrode slice and the scalp have good contact. The electrode has the advantages of reasonable design, convenient operation, small interference, low noise and high performance.
Description
The invention belongs to the medical bio electric transducer
Eeg measurement electrode is the important sensing element that EEG signals is transmitted, and EEG signals is fainter, and it is easy to be subjected to the influence of factors such as fixed form of performance, electrode structure and the electrode of EEG measuring electrode.Therefore, the good eeg measurement electrode of research is one of important key of accurate recording EEG signals.Mostly adopt the silver plated electrode of piped copper alloy at present both at home and abroad, the last gauze And of its lower end bundle is soaked with sodium chloride brine and contacts with scalp, the used time of electroencephalogram is long owing to measuring, therefore the saline in the wet gauze is easy to volatile dry, makes electrode and scalp loose contact and introduces interfering signal.The medicated cap that the fixed form of electrode mostly adopts rubber strap or rubber tube to make at present, because the size of the number of people is had nothing in common with each other, the number of people is not again the sphere shape of standard, it is more to add the used number of electrodes of EEG measuring, each electrode stressed even inadequately, often make the less electrode loose contact that partly is stressed, the correct record of EEG signals is affected.Simultaneously, length has hair on the scalp, by present electrode structure, all need push the hair of loading electrode position aside before loading electrode, cleans scalp, then the electrode that is soaked with conductive liquid is loaded onto, and each loading electrode all will spend a large amount of time and energy.The present invention improves at the problem of above-mentioned existence.
Accompanying drawing is the sketch map of EEG measurement electrode.
Fig. 1 is that eeg measurement electrode of the present invention is installed in the side view on the number of people.
Fig. 2 is that the indicated eeg measurement electrode of Fig. 1 is installed in the front view on the number of people.
Fig. 3 is that the indicated eeg measurement electrode of Fig. 1 is installed in the dorsal view on the number of people.
Fig. 4 is the sketch map of eeg measurement electrode of the present invention.
Fig. 5 is the vertical view of the indicated eeg measurement electrode of the present invention of Fig. 4.
Fig. 6 is the side view of the indicated eeg measurement electrode of the present invention of Fig. 4.
Fig. 7 is the electrical interconnection figure of the input of indicated eeg measurement electrode of the present invention of Fig. 4 and electroencephalograph.
(1) hair claw among the figure; (2) electrode slice; (3) the imbibition body of electrode; (4) contact conductor; (5) plug of electrode; (6) liftable electrode tie rod; (7) snap close of liftable electrode tie rod; (8) notch of fore shaft; (9) lifting spring of liftable electrode tie rod; (10) housing of liftable electrode tie rod; (11) spike of hair claw; (12) electrode fixed support; (13) the support bracket fastened fixing hole of electrode; (14) inflatable rubber tube; (15) telescopic elastic support; (16) telescopic tube in the extendible elastic support; (17) the electrode lead-in wire that leads; (18) jack that leads and go between; (19) plug of total lead-in wire; (20) stop,threeway of gas tube; (21) elastic reducing-fixing band; (22) liftable electrode tie rod inner chamber reservoir.
Main points of the present invention are that eeg measurement electrode has: the snap close of hair claw, electrode slice, liftable electrode tie rod, liftable electrode tie rod, the lifting spring of liftable electrode tie rod, the spike of hair claw, inflatable rubber tube, telescopic elastic support.
Eeg measurement electrode device of the present invention be according to nineteen fifty-seven the 4th international electroencephalography and what is called 10~20% electrodes that can work out of clinical neurophysiology lay method.This method is earlier to measure from the nasion distance to occipital tuberosity (being called center line) and fall into distance by center line from the both sides preauricular pit with tape.Then from front to back (vertically) from left to right (laterally) each 10% and 20% distance lay electrode, in order to adapt to the adjustability of capitiform size, the present invention's vertical in laying the electrode slice device (promptly) and foundation ring, can be provided with telescopic elastic support (15), it can adopt has certain inflexible flexibility material and makes, can connect a telescopic elastic tube (16) between per two electrodes, when capitiform varied in size, the spacing between its electrode district can scaled or increase.This elastic tube can be made with spring or other elastomeric materials.Cause each electrode and the uneven contradiction of scalp contact force in order to overcome head aspheric surface body.Laterally can add hollow inflatable rubber tube (14) on (promptly) and the foundation ring, its effect is the contact force of reinforcing each electrode and scalp, and counter electrode is laterally playing positioning action simultaneously.Electrode slice (2) be by suction have can degreasant conducting medium electrode imbibition body (3) contact with scalp, for the ease of moving up and down of control electrode sheet (2), can be provided with the electrode tie rod (6) of lifting, the inner chamber of liftable electrode tie rod (6) can be provided with reservoir (22), the imbibition body that it can be connected with electrode slice is communicated with, conductive liquid can constantly be added in the imbibition body (3) of contact scalp, contact well with scalp to keep electrode.Electrode slice (2) can be by silver, the silver chloride composite is once molding formed, and electrode slice (2) can not have plumb joint with contact conductor (4), and the kind electrode sheet has the advantage that electrode polarization is little, noise is low, electrode potential is stable.Electrode slice (2), imbibition body (3), contact conductor (4) can be contained on the liftable electrode tie rod (6), form one, liftable electrode tie rod housing (10) and the movable assembling of electrode fixed support (12).The Nei Qiang And that the lead-in wire of electrode (4) can pass liftable electrode tie rod is connected via the jack (18) of electrode plug (5) with the lead-in wire that leads, and can be provided with snap close (7) on the liftable electrode tie rod.Electrode is with before scalp contacts, can pin by the snap close on the lifting electrode tie rod (7), at this moment, electrode is in vacant state, in the housing (10) of liftable electrode tie rod, can be provided with spring (9), when electrode will be measured, can change certain angle to the snap close of liftable electrode tie rod, aligned notches (8) liftable electrode tie rod (6) just can be by the pressure of spring (9) electrode tie rod (6) toward pressing down, push hair claw (1) simultaneously open and push hair aside, electrode is contacted with scalp, in order not withstand scalp in the tip that makes hair claw (1), hair claw is other can be provided with hair claw spike (11), and it can make electrode be difficult for producing displacement simultaneously.Hair claw can be made by corrosion-resistant elastomeric material, can fuse with the electrode fixed support.Electrode fixed support (12) can be fixed on the extendible elastic support (15) by the support bracket fastened fixing hole of electrode (13), each electrode wire connecting can be passed through at elastic support (15) edge along the longitudinal, locate to leave a flexibility at each telescopic tube (16), avoid elastic support (15) to break electric wire when elongating or shortening or influence elasticity, the plug (19) that the lead-in wire that leads of each electrode can be aggregated into a total lead-in wire like this can the save operation time so that connect with the EEG(electroencephalography) instrument.The rubber tube (14) of inflation can be connected with the aerator of outside by the stop,threeway (20) of gas tube, stop,threeway (20) can be used to control inflation or venting, for fear of since when inflation electrode be subjected to displacement, can be provided with elastic reducing-fixing band (21) band at the chin place be hollow, can inflate.
This EEG electrode can be within the specific limits by vary in size automatically location and push hair aside automatically of capitiform, reasonable in design, easy to use, electrode performance is good, distortion is little, can improve the eeg recording quality.
Claims (3)
1, a kind of eeg measurement electrode, it is characterized in that said eeg measurement electrode, it has snap close [7], the lifting spring [9] of liftable electrode tie rod, hair claw spike [11], extendible elastic support [15], the inflatable rubber tube [14] of hair claw [1], electrode slice [2], liftable electrode tie rod [6], liftable electrode tie rod.
2,, it is characterized in that said hair claw is to make , And and electrode fixed support (12) fuses by corrosion-resistant elastomeric material according to right 1 said eeg measurement electrode; Said electrode slice is made by silver-colored silver chloride composite, and it is once molding formed with lead-in wire, and electrode slice and lead-in wire do not have joint.
3,, it is characterized in that the inner chamber of said liftable electrode tie rod (6) is provided with reservoir (22) according to claim 1,2 said eeg measurement electrodes.The imbibition body that it is connected with electrode slice is communicated with; Said telescopic elastic support (15), string has telescopic tube (16) between its electrode gap.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 85200117 CN85200117U (en) | 1985-04-01 | 1985-04-01 | Electroencephalography measuring electrocle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 85200117 CN85200117U (en) | 1985-04-01 | 1985-04-01 | Electroencephalography measuring electrocle |
Publications (1)
Publication Number | Publication Date |
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CN85200117U true CN85200117U (en) | 1985-12-20 |
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ID=4796530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 85200117 Expired - Lifetime CN85200117U (en) | 1985-04-01 | 1985-04-01 | Electroencephalography measuring electrocle |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103893908A (en) * | 2014-04-10 | 2014-07-02 | 孙建国 | Injecting-type electrode plate used for electrical stimulation |
CN103919547A (en) * | 2014-04-08 | 2014-07-16 | 北京工业大学 | Hair shifting device for scalp passing brain signal detecting device |
CN106725308A (en) * | 2016-11-28 | 2017-05-31 | 武汉资联虹康科技股份有限公司 | Near infrared spectrum Brian Imaging detection means with high sensitivity data acquisition |
CN110353677A (en) * | 2018-04-11 | 2019-10-22 | 上海傲意信息科技有限公司 | A kind of biopotential sensor and prosthetic socket |
CN113229824A (en) * | 2021-05-18 | 2021-08-10 | 十堰市郧阳区人民医院 | Novel automatic electroencephalogram cap |
-
1985
- 1985-04-01 CN CN 85200117 patent/CN85200117U/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103919547A (en) * | 2014-04-08 | 2014-07-16 | 北京工业大学 | Hair shifting device for scalp passing brain signal detecting device |
CN103893908A (en) * | 2014-04-10 | 2014-07-02 | 孙建国 | Injecting-type electrode plate used for electrical stimulation |
CN106725308A (en) * | 2016-11-28 | 2017-05-31 | 武汉资联虹康科技股份有限公司 | Near infrared spectrum Brian Imaging detection means with high sensitivity data acquisition |
CN106725308B (en) * | 2016-11-28 | 2019-08-23 | 武汉资联虹康科技股份有限公司 | Near infrared spectrum Brian Imaging detection device with the acquisition of highly sensitive data |
CN110353677A (en) * | 2018-04-11 | 2019-10-22 | 上海傲意信息科技有限公司 | A kind of biopotential sensor and prosthetic socket |
CN113229824A (en) * | 2021-05-18 | 2021-08-10 | 十堰市郧阳区人民医院 | Novel automatic electroencephalogram cap |
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