CN113827255A - Portable transcranial electrical stimulation regulation and control electroencephalogram device - Google Patents
Portable transcranial electrical stimulation regulation and control electroencephalogram device Download PDFInfo
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- CN113827255A CN113827255A CN202111175273.6A CN202111175273A CN113827255A CN 113827255 A CN113827255 A CN 113827255A CN 202111175273 A CN202111175273 A CN 202111175273A CN 113827255 A CN113827255 A CN 113827255A
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- 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
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/369—Electroencephalography [EEG]
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- 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
- A61B5/251—Means for maintaining electrode contact with the body
- A61B5/256—Wearable electrodes, e.g. having straps or bands
-
- 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]
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- 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
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/369—Electroencephalography [EEG]
- A61B5/377—Electroencephalography [EEG] using evoked responses
- A61B5/383—Somatosensory stimuli, e.g. electric stimulation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
- A61B5/725—Details of waveform analysis using specific filters therefor, e.g. Kalman or adaptive filters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/36014—External stimulators, e.g. with patch electrodes
- A61N1/36025—External stimulators, e.g. with patch electrodes for treating a mental or cerebral condition
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/36014—External stimulators, e.g. with patch electrodes
- A61N1/3603—Control systems
- A61N1/36031—Control systems using physiological parameters for adjustment
Abstract
The invention relates to a portable transcranial electrical stimulation regulation and control electroencephalogram device, which comprises an electroencephalogram stimulation device and a mobile terminal which are connected in a wireless mode, wherein the electroencephalogram stimulation device comprises: an elastic electroencephalogram cap; the dual-purpose electrode is arranged on the elastic electroencephalogram cap and integrates electroencephalogram signal acquisition and transcranial electrical stimulation functions; the puncture collecting hardware module is pasted on the elastic electroencephalogram cap and is respectively connected with the mobile terminal and the dual-purpose electrode, so that the functions of electroencephalogram signal collection and transcranial electrical stimulation are realized; the stab collecting hardware module comprises a jack socket which is connected with the mobile terminal and is provided with a plurality of functional channels, and different functional channels are selected to be conducted under the control of the mobile terminal. Compared with the prior art, the invention has the advantages of improving the convenience of the individual treatment of transcranial electrical stimulation and the like.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a portable transcranial electrical stimulation regulation and control electroencephalogram device.
Background
All life is electrochemical in nature, and similarly, the nervous system of the human body can work by electrochemical signals and simply by electric signals, so that neurologists are continuously researching how to realize the treatment and prevention of some nervous diseases by regulating the electrophysiological ways of the human body. At present, nervous system diseases become a great threat to human health and quality of life, and with the global aging trend, the nervous system diseases and sequelae become a large proportion of medical expenses in all countries. Wherein the incidence of diseases of the cranial nervous system is continuously increasing. In the direction of non-invasive technical means, two means of transcranial magnetic stimulation and transcranial electrical stimulation are developed, but the requirement on equipment required by transcranial magnetic stimulation is high, the professional requirement of operators is also high, and the means of transcranial electrical stimulation has the characteristics of high safety, small side effect and convenience in operation, and becomes a research hotspot of cranial nerve scientists in recent years.
The electroencephalogram of patients with depression, autism, insomnia, parkinson and the like has abnormalities, and in a brain function detection mode, electroencephalogram equipment has small volume, lower cost and easy operation, and is widely applied to diagnosis of clinical psychogenic and neurogenic diseases. The treatment of psychogenic and neurogenic diseases can be carried out by a small-size and easy-to-operate transcranial electrical stimulation mode, but the current treatment scheme is based on the subjective judgment and experience guidance of clinicians, and the portable individual treatment cannot be realized.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a portable transcranial electrical stimulation regulation and control electroencephalogram device for improving the convenience of personalized treatment of transcranial electrical stimulation.
The purpose of the invention can be realized by the following technical scheme:
a portable transcranial electrical stimulation regulation and control electroencephalogram device comprises an electroencephalogram stimulation device and a mobile terminal which are connected in a wireless mode, wherein the electroencephalogram stimulation device comprises:
an elastic electroencephalogram cap;
the dual-purpose electrode is arranged on the elastic electroencephalogram cap and integrates electroencephalogram signal acquisition and transcranial electrical stimulation functions;
the puncture collecting hardware module is pasted on the elastic electroencephalogram cap and is respectively connected with the mobile terminal and the dual-purpose electrode, so that the functions of electroencephalogram signal collection and transcranial electrical stimulation are realized;
the stab collecting hardware module comprises a jack socket which is connected with the mobile terminal and is provided with a plurality of functional channels, and different functional channels are selected to be conducted under the control of the mobile terminal.
As a further explanation of the scheme, the elastic brain electric cap is a brain electric cap suitable for a 10-20 international standard lead system.
As a further explanation of the above scheme, the stab collecting hardware module is connected with the elastic electroencephalogram cap through a magic tape.
As a further explanation of the above scheme, the spine collection hardware module includes a bluetooth module, a microcontroller, an electroencephalogram collection circuit, a transcranial electrical stimulation circuit and a power supply circuit, the microcontroller is respectively connected with the bluetooth module, the electroencephalogram collection circuit and the transcranial electrical stimulation circuit, the power supply circuit is respectively connected with the electroencephalogram collection circuit and the transcranial electrical stimulation circuit, and the bluetooth module is connected with the mobile terminal.
As a further explanation of the above scheme, the puncture collecting hardware module further comprises a function indicating lamp for indicating the electroencephalogram signal collecting function state, the transcranial electrical stimulation function state or the non-working state.
As a further explanation of the above scheme, the function indicator light corresponds to a row socket, indicating the function being performed by each channel.
As a further explanation of the above scheme, the electroencephalogram acquisition circuit includes a pre-amplification circuit, a low-pass filter circuit, a power frequency notch circuit and an ADS1299 chip, which are connected in sequence, and a higher-quality electroencephalogram signal is obtained through the pre-amplification circuit, the low-pass filter circuit and the power frequency notch circuit.
As a further explanation of the above scheme, the transcranial electrical stimulation circuit comprises an AD9913 chip, a differential amplification circuit, a low-pass filter circuit and an impedance detection circuit which are connected in sequence, and a better stimulation waveform is obtained through the differential amplification circuit; when the impedance detection exceeds the threshold value, the output is automatically interrupted through the impedance detection circuit, and the safety of a human body is ensured.
As a further illustration of the above, the patterns of transcranial electrical stimulation include direct current stimulation patterns and alternating current stimulation patterns of standard square waves, standard triangular waves, and custom waveforms.
As a further illustration of the above protocol, the transcranial electrical stimulation has an amplitude in the range of 0-2mA, and a frequency in the range of 0-1000 Hz.
As a further illustration of the above scheme, the functional channels include waveform rendering, digital processing, signal storage, spectral analysis, stimulation parameter adjustment, and automatic adjustment modes.
As a further explanation of the scheme, the volume of the stab-collecting hardware module is 30mm multiplied by 60mm multiplied by 80 mm.
Compared with the prior art, the invention has the following beneficial effects:
(1) the brain electrical stimulation device comprises brain electrical stimulation equipment and a mobile terminal, the brain electrical stimulation equipment can be conveniently worn on the brain of a testee through an elastic brain electrical cap, the mobile terminal is in wireless communication with the brain electrical stimulation equipment, parameters of transcranial electrical stimulation can be automatically adjusted through analyzing acquired brain electrical signals, various functions such as waveform display, frequency spectrum analysis and parameter adjustment are realized, a multi-channel device capable of synchronously acquiring brain electrical signals and performing transcranial electrical stimulation is realized, and the portability is high.
(2) The invention adopts thorn hardware module to contain circuits such as amplifying, filtering and the like, and improves the quality of EEG signals, wherein, the pre-amplifying circuit, the low-pass filtering circuit and the power frequency trap circuit can obtain EEG signals with higher quality, the differential amplifying circuit can obtain stimulation waveforms with higher quality, and the output can be automatically interrupted when the impedance detection exceeds the threshold value through the impedance detection circuit, thereby ensuring the safety of human body.
(3) The transcranial electrical stimulation circuit of the stimulation hardware module can generate stimulation waveforms with various modes, the amplitude of 0-2mA and the frequency of 0-1000Hz, and has wide application range.
(4) The mobile terminal can automatically adjust the parameters of transcranial electrical stimulation through analyzing the acquired electroencephalogram signals, and is convenient to use.
(5) The volume of the puncture collecting hardware module is 30mm multiplied by 60mm multiplied by 80mm, the puncture collecting hardware module can be conveniently connected with the elastic electroencephalogram cap through the magic tape, the whole volume is small, the puncture collecting hardware module is convenient to carry, and the puncture collecting hardware module can be used for community hospitals or home treatment.
Drawings
FIG. 1 is a block diagram of the structure of a portable transcranial electrical stimulation brain electrical stimulation regulation device of the invention;
FIG. 2 is a schematic diagram of the portable transcranial electrical stimulation brain electrical stimulation apparatus according to the present invention;
FIG. 3 is a schematic diagram showing the size and placement position of an electroencephalogram stimulation device of the apparatus of the present invention;
FIG. 4 is a schematic diagram of an electroencephalogram stimulation device of the apparatus of the present invention;
FIG. 5 is a schematic illustration of the electroencephalographic localization of the 10-20 international standard lead system used in the present invention;
FIG. 6 is a functional diagram of a mobile terminal of the apparatus of the present invention;
FIG. 7 is a block diagram of the structure of the spur hardware module of the present invention;
FIG. 8 is a block diagram of an electroencephalogram acquisition circuit of the sprint-sampling hardware module of the present invention;
fig. 9 is a block diagram of a transcranial electrical stimulation circuit of the stimulation hardware module of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Referring to fig. 1 and fig. 2, the embodiment provides a portable transcranial electrical stimulation regulation and control electroencephalogram device, which includes an electroencephalogram stimulation device and a mobile terminal 7 connected in a wireless manner, the electroencephalogram stimulation device includes an elastic electroencephalogram cap 1, a dual-purpose electrode 2 and a stimulation hardware module 3, and the dual-purpose electrode 2 is mounted on the elastic electroencephalogram cap 1; the puncture collecting hardware module 3 is stuck on the elastic electroencephalogram cap 1 and is respectively connected with the mobile terminal 7 and the dual-purpose electrode 2, so that the functions of electroencephalogram signal collection and transcranial electrical stimulation are realized; as shown in fig. 4, the stab-collecting hardware module 3 includes an extension socket 5 connected to the mobile terminal 7 and having a plurality of functional channels, and different functional channels are selected to be conducted under the control of the mobile terminal 7. The device combines the advantages of an electroencephalogram acquisition technology and transcranial electrical stimulation, can optimize the position parameters of the stimulated brain for subsequent transcranial electrical stimulation through electroencephalogram signal acquisition, can quantitatively evaluate the treatment effect through electroencephalogram signals after the transcranial electrical stimulation, and can timely evaluate the brain state and adjust the transcranial electrical stimulation parameters. The portable instrument can also be used in community hospitals or home treatments.
In the embodiment, the elastic electroencephalogram cap 1 is an electroencephalogram cap suitable for a 10-20 international standard lead system, the electrode installation positions are reserved according to a 10-20 electroencephalogram positioning system, the electrode placement positions can be selected on the elastic electroencephalogram cap, and the 10-20 electroencephalogram positioning is as shown in fig. 5.
In this embodiment, adopt thorn hardware module 3 to be connected with elasticity brain electricity cap 1 through the magic subsides, convenient to use. The shell of the puncture hardware module 3 is 40mm long, 30mm wide and 80mm high, and can be conveniently fixed behind the elastic electroencephalogram cap 1, as shown in fig. 3.
As shown in fig. 7, the puncture collecting hardware module 3 of this embodiment includes a bluetooth module 301, a microcontroller 302, an electroencephalogram acquisition circuit 303, a transcranial electrical stimulation circuit 304 and a power supply circuit 305, the microcontroller 302 is respectively connected to the bluetooth module 301, the electroencephalogram acquisition circuit 303 and the transcranial electrical stimulation circuit 304, the power supply circuit 305 is respectively connected to the electroencephalogram acquisition circuit 303 and the transcranial electrical stimulation circuit 304, and the bluetooth module 301 is connected to the mobile terminal 7. The puncture collecting hardware module 3 is used for realizing the functions of electroencephalogram signal collection and transcranial electrical stimulation, and can realize transcranial electrical stimulation in various modes, including a direct current stimulation mode, a standard square wave mode, a standard triangular wave mode and an alternating current stimulation mode with a custom waveform, the amplitude range of the transcranial electrical stimulation is 0-2mA, and the frequency is 0-1000 Hz.
As shown in fig. 8, the electroencephalogram acquisition circuit 303 includes a pre-amplification circuit 331, a low-pass filter circuit 332, a power frequency notch circuit 333, and an ADS1299 chip 334, which are connected in sequence, and the pre-amplification circuit, the low-pass filter circuit, and the power frequency notch circuit can obtain higher-quality electroencephalogram signals.
As shown in fig. 9, the transcranial electrical stimulation circuit 304 comprises an AD9913 chip 341, a differential amplification circuit 342, a low-pass filter circuit 343 and an impedance detection circuit 344 which are connected in sequence, and the differential amplification circuit can obtain a better stimulation waveform; when the impedance detection exceeds the threshold value, the output is automatically interrupted through the impedance detection circuit, and the safety of a human body is ensured.
The function channels selectable by the mobile terminal 7 through the row socket 5 comprise waveform drawing, digital processing, signal storage, spectrum analysis, stimulation parameter adjustment, automatic adjustment modes and the like. In this embodiment, there are ten rows of sockets for eight functional channels, one ground line and one reference voltage line.
Referring to fig. 4, the puncture collecting hardware module 3 further includes a function indicator lamp 4 for indicating the electroencephalogram signal collecting function state, the transcranial electrical stimulation function state or the non-operation state. Eight function indicating lamps are arranged in the embodiment to indicate the function being executed by each channel, the blue lamp is turned on when the channel executes the electroencephalogram signal acquisition function, the green lamp is turned on when the channel executes the transcranial electrical stimulation function, and the green lamp is not turned on when the channel does not work.
Referring to fig. 4, the thorn-collecting hardware module 3 further includes a charging port 6, and the power supply uses a 3.7V lithium battery which can be charged and discharged.
When the portable transcranial electrical stimulation regulation and control electroencephalogram device is used, a user presses a start key to start the puncture collecting hardware module 3 after installing the dual-purpose electrode, the puncture collecting hardware module 3 is communicated with the mobile terminal 7 through the Bluetooth module, the respective working modes of eight channels are selected after connection is confirmed, control information is transmitted to the puncture collecting hardware module 3 through the Bluetooth module, as shown in fig. 7, the Bluetooth module transmits the received information to the MCU, and the MCU controls each channel to realize the selected function. After the thorn collecting hardware module 3 starts working, the MCU transmits the collected electroencephalogram signals to the mobile terminal through the Bluetooth module, the mobile terminal system can draw electroencephalogram signal waveforms, the original signals are subjected to digital processing through the Butterworth filter on line, the higher-quality electroencephalogram signals are displayed, and the electroencephalogram original signals are stored for subsequent off-line analysis data. The mobile terminal analyzes the frequency spectrum of the electroencephalogram signal in real time through fast Fourier transform on line and displays the frequency spectrum distribution diagram and the frequency spectrum ratio histogram. The mobile terminal can adjust parameters of transcranial electrical stimulation, such as current intensity, frequency, pulse width, duty ratio, rise time, fall time, rest time and the like at any time. The mobile terminal can automatically adjust the stimulation parameters according to a preset stimulation scheme, and automatically adjust the stimulation parameters according to the characteristic relation of the electroencephalogram signals by analyzing the acquired electroencephalogram signals.
As shown in figure 8, the electroencephalogram acquisition channel acquires micro-current of cerebral cortex through a dual-purpose electrode, the current amplitude range is 0.1-100 mu V, primary amplification is required through a pre-amplification circuit, the amplification factor of the pre-amplification circuit is not too large due to the fact that input signals contain noise, and the pre-amplification factor of the device is 25. The frequency of the electroencephalogram signal is mainly 0.5-100Hz, and in order to filter high-frequency interference in the signal, the device removes the signal above 100Hz through a low-pass filter circuit. In the hardware circuit, 50Hz power frequency interference can generate larger interference to signals, the device filters the power frequency interference through a power frequency trap circuit, and the signal quality is improved through a preprocessing circuit. The EEG signals are encoded by the ADS1299 chip and then are transmitted to the mobile terminal through MCU control.
As shown in fig. 9, after receiving the electrical stimulation parameters transmitted by the mobile terminal, the MCU synthesizes a stimulation waveform through the AD9913 chip. The device removes common mode noise generated by an AD9913 chip through a differential amplification circuit, amplifies the signal by 10 times, and inhibits high-frequency noise through a low-pass filter, so that the quality of an output waveform is improved. The impedance detection circuit detects real-time impedance every 2s, and automatically cuts off output to ensure human body safety when the impedance exceeds a threshold value.
In some embodiments, the mobile terminal may be a mobile phone or tablet.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The portable transcranial electrical stimulation regulation and control electroencephalogram device is characterized by comprising an electroencephalogram stimulation device and a mobile terminal (7) which are connected in a wireless mode, wherein the electroencephalogram stimulation device comprises:
an elastic electroencephalogram cap (1);
the dual-purpose electrode (2) is arranged on the elastic electroencephalogram cap (1);
the puncture collecting hardware module (3) is pasted on the elastic electroencephalogram cap (1) and is respectively connected with the mobile terminal (7) and the dual-purpose electrode (2) to realize electroencephalogram signal collection and transcranial electrical stimulation functions;
the stab collecting hardware module (3) comprises a jack (5) which is connected with the mobile terminal (7) and is provided with a plurality of functional channels, and different functional channels are selected to be conducted under the control of the mobile terminal (7).
2. The portable transcranial electrical stimulation regulation and control electroencephalograph according to claim 1, wherein the stimulation collecting hardware module (3) is connected with the elastic electroencephalogram cap (1) through a magic tape.
3. The portable transcranial electrical stimulation regulation and control electroencephalograph device according to claim 1, wherein the stimulation hardware module (3) comprises a Bluetooth module (301), a microcontroller (302), an electroencephalogram acquisition circuit (303), a transcranial electrical stimulation circuit (304) and a power supply circuit (305), the microcontroller (302) is respectively connected with the Bluetooth module (301), the electroencephalogram acquisition circuit (303) and the transcranial electrical stimulation circuit (304), the power supply circuit (305) is respectively connected with the electroencephalogram acquisition circuit (303) and the transcranial electrical stimulation circuit (304), and the Bluetooth module (301) is connected with the mobile terminal (7).
4. The portable transcranial electrical stimulation regulated brain electrical device according to claim 3, wherein the stimulation hardware module (3) further comprises a function indicator lamp (4) for indicating a brain electrical signal collection function state, a transcranial electrical stimulation function state or a non-operation state.
5. The portable transcranial electrical stimulation regulation brain electric device according to claim 3, wherein the brain electric acquisition circuit (303) comprises a pre-amplification circuit (331), a low-pass filter circuit (332), a power frequency notch circuit (333) and an ADS1299 chip (334) which are connected in sequence.
6. The portable transcranial electrical stimulation modulated electroencephalograph device according to claim 3, wherein the transcranial electrical stimulation circuit (304) comprises an AD9913 chip (341), a differential amplification circuit (342), a low-pass filter circuit (343) and an impedance detection circuit (344) which are connected in sequence.
7. The portable transcranial electrical stimulation modulated electroencephalograph apparatus according to claim 1, wherein the patterns of transcranial electrical stimulation include direct current stimulation patterns and alternating current stimulation patterns of standard square waves, standard triangular waves, and custom waveforms.
8. The portable transcranial electrical stimulation modulated electroencephalograph apparatus according to claim 1, wherein the amplitude of the transcranial electrical stimulation ranges from 0 to 2mA, and the frequency ranges from 0 to 1000 Hz.
9. The portable transcranial electrical stimulation modulated electroencephalograph apparatus of claim 1, wherein the functional channels include waveform rendering, digital processing, signal storage, spectral analysis, stimulation parameter adjustment, and automatic adjustment modes.
10. The portable transcranial electrical stimulation modulated brain electrical stimulation device according to claim 1, wherein the volume of the stimulation hardware module (3) is 30mm x 60mm x 80 mm.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114272523A (en) * | 2021-12-27 | 2022-04-05 | 燕山大学 | Portable animal transcranial ultrasonic stimulation and brain and muscle electric wireless acquisition system |
| CN115212454A (en) * | 2022-07-06 | 2022-10-21 | 四川脑科学与类脑智能研究院 | Fast enhancing device and method for procedural memory |
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| HK1224499A2 (en) * | 2016-10-08 | 2017-08-18 | 關沛棠 號 | A handheld type trans-cranial electrical simulation system |
| CN110368577A (en) * | 2019-07-03 | 2019-10-25 | 天津大学 | Programmable flexibility electrical transcranial stimulation and brain wave acquisition integrated system |
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| US20080319505A1 (en) * | 2007-05-09 | 2008-12-25 | Massachusetts Institute Of Technology | Integrated Transcranial Current Stimulation and Electroencephalography Device |
| HK1224499A2 (en) * | 2016-10-08 | 2017-08-18 | 關沛棠 號 | A handheld type trans-cranial electrical simulation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114272523A (en) * | 2021-12-27 | 2022-04-05 | 燕山大学 | Portable animal transcranial ultrasonic stimulation and brain and muscle electric wireless acquisition system |
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