Electroencephalogram acquisition device, equipment and system

Abstract

The utility model discloses an electroencephalogram acquisition device, equipment and system, and relates to the technical field of electroencephalogram acquisition, the device comprises an electroencephalogram sensor, and the electroencephalogram sensor is provided with an electroencephalogram sensor main body; the at least one electrode plate is used for obtaining an electroencephalogram signal of the user after being placed at the forehead of the user; the encryption chip is provided with a factory ID and used for sending the factory ID and further used for outputting the electroencephalogram signals after data encryption is conducted on the electroencephalogram signals, and the transmission module is used for sending the electroencephalogram signals obtained after data encryption and the factory ID; and the main controller is used for sending the electroencephalogram signal to the monitoring device when the electroencephalogram sensor is detected to be an authorized electroencephalogram sensor according to the received data encrypted electroencephalogram signal and the factory ID, or controlling the monitoring device to give an alarm when the electroencephalogram sensor is detected to be an unauthorized electroencephalogram sensor. In this way, the problems that the accuracy of the anesthesia depth detection result cannot be guaranteed due to non-original and unauthorized disposable electroencephalogram sensor consumables, and even data leakage exists in products can be solved.

Description

Technical Field

[0001] This utility model relates to the field of electroencephalogram (EEG) acquisition technology, and in particular to an EEG acquisition device, equipment and system. Background Technology

[0002] Currently, disposable EEG sensors used in EEG anesthesia depth monitoring devices are widely used in medical, educational, and scientific research fields. However, with the continuous development of EEG sensor technology, many non-original and unauthorized disposable EEG sensor consumables have appeared on the market. The quality of these consumables varies greatly, and the accuracy of anesthesia depth detection results cannot be guaranteed. Some products even pose a risk of data leakage. Furthermore, existing EEG sensors often require multiple cables for communication between the EEG converter (main controller), which undoubtedly increases the cost of cable usage significantly. Utility Model Content

[0003] The main purpose of this utility model is to propose an EEG acquisition device, equipment and system, which aims to solve the problems of many non-original and unauthorized disposable EEG sensor consumables on the market. These consumables are of varying quality, cannot guarantee the accuracy of anesthesia depth detection results, and some products even pose a risk of data leakage.

[0004] To achieve the above objectives, this utility model proposes an electroencephalogram (EEG) acquisition device, which includes:

[0005] An electroencephalogram (EEG) sensor, wherein the EEG sensor is provided with an EEG sensor body;

[0006] At least one electrode pad is disposed on the sensor body and is used to acquire the user's electroencephalogram (EEG) signals after being placed on the user's forehead.

[0007] An encryption chip is integrated within the main body of the EEG sensor. The encryption chip is equipped with a factory ID and is used to send the factory ID. The encryption chip is used to encrypt the EEG signal before outputting it.

[0008] A transmission module is disposed on the main body of the EEG sensor. The transmission module is communicatively connected to at least one of the electrode pads and the encryption chip, and is used to send the encrypted EEG signal and the factory ID.

[0009] The main controller is communicatively connected to the transmission module and is used to receive the EEG signal and the factory ID. When the main controller detects that the EEG sensor is an authorized EEG sensor based on the factory ID, it sends the EEG signal to the monitoring device; or when the EEG sensor is detected as an unauthorized EEG sensor based on the factory ID, it generates an alarm signal and sends it to the monitoring device to control the monitoring device to trigger an alarm.

[0010] In one embodiment, the encryption chip is bidirectionally connected to the transmission module.

[0011] In one embodiment, the transmission module communicates with the main controller via wireless or wired transmission.

[0012] In one embodiment, when the transmission module communicates with the main controller via wired transmission, the transmission module establishes a communication connection with the main controller through a single bus.

[0013] In one embodiment, the EEG acquisition device further includes:

[0014] A data storage unit, electrically connected to the main controller, is used to store the electroencephalogram (EEG) signals.

[0015] In one embodiment, the EEG acquisition device further includes:

[0016] A prompting component is disposed on the main body of the EEG sensor and is used to indicate the contact status of at least one of the electrode pads and the working status of the EEG sensor.

[0017] In one embodiment, the EEG acquisition device further includes:

[0018] A sensor plug for connecting the electrode pads and the main controller.

[0019] In one embodiment, the EEG acquisition device further includes:

[0020] The parameter board, on which the main controller is mounted.

[0021] This utility model also proposes an EEG acquisition device, which includes the EEG acquisition device as described above and a monitoring device for monitoring and displaying the user's EEG signals.

[0022] This utility model also proposes an electroencephalogram (EEG) acquisition system, characterized in that the EEG acquisition system includes the aforementioned EEG acquisition device and an external terminal for users to view their own EEG signals.

[0023] The technical solution of this utility model employs an electroencephalogram (EEG) acquisition device, which includes: an EEG sensor with an EEG sensor body; at least one electrode pad disposed on the sensor body for placement on the user's forehead to acquire the user's EEG signals; an encryption chip integrated within the EEG sensor body, the encryption chip having a factory ID for sending the factory ID; the encryption chip for encrypting the EEG signals before outputting the data; and a transmission module disposed on the EEG sensor body, the transmission module communicating with at least one electrode pad and the encryption chip. The system includes a communication connection for transmitting encrypted EEG signals and the factory ID; a main controller, communicatively connected to the transmission module, for receiving the encrypted EEG signals and the factory ID; and a control unit for decrypting and sending the encrypted EEG signals to the monitoring device when the EEG sensor is detected as an authorized EEG sensor based on the encrypted EEG signals and the factory ID, or generating an alarm signal and sending it to the monitoring device when the EEG sensor is detected as an unauthorized EEG sensor based on the factory ID, thereby controlling the monitoring device to trigger an alarm. In this way, the EEG acquisition device can encrypt the user's EEG signals collected by the EEG sensor, and the main controller can determine whether it is an authorized EEG sensor. If it is an authorized EEG sensor, the main controller decrypts and sends the EEG signals to the monitoring device, thus solving the problems of many non-original, unauthorized disposable EEG sensor consumables on the market. These consumables vary in quality, cannot guarantee the accuracy of anesthesia depth detection results, and some products even pose a risk of data leakage. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0025] Figure 1 A schematic diagram of an embodiment of the electroencephalogram (EEG) acquisition device provided by this utility model;

[0026] Figure 2 A schematic diagram of another embodiment of the electroencephalogram (EEG) acquisition device provided by this utility model.

[0027] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0029] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0030] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0031] This utility model proposes an electroencephalogram (EEG) acquisition device. Please refer to [reference needed]. Figure 1 and Figure 2 The EEG acquisition device includes:

[0032] An electroencephalogram (EEG) sensor, wherein the EEG sensor is provided with an EEG sensor body 1;

[0033] At least one electrode 2 is disposed on the sensor body and is used to acquire the user's brainwave signals after being placed on the user's forehead.

[0034] An encryption chip 3 is integrated into the main body 1 of the EEG sensor. The encryption chip 3 is equipped with a factory ID and is used to send the factory ID. The encryption chip 3 is used to encrypt the EEG signal before outputting it.

[0035] Transmission module 4 is disposed on the EEG sensor body 1. The transmission module 4 is communicatively connected to at least one electrode 2 and the encryption chip 3, and is used to send the encrypted EEG signal and the factory ID.

[0036] The main controller 5 is communicatively connected to the transmission module 4 and is used to receive the encrypted EEG signal and the factory ID. When the main controller 5 detects that the EEG sensor is an authorized EEG sensor based on the encrypted EEG signal and the factory ID, it decrypts the encrypted EEG signal and sends the EEG signal to the monitoring device; or when the EEG sensor is detected as an unauthorized EEG sensor based on the factory ID, it generates an alarm signal and sends it to the monitoring device to control the monitoring device to sound an alarm.

[0037] It is worth mentioning that when encrypting and decrypting the user's EEG signals in this solution, existing encryption and / or decryption methods are used. For example, the encryption chip 3, encryption method and encryption or decryption method in the encryption system of patent publication number CN106533653A are used, or a chip encryption method and encryption or decryption method in the encryption chip 3 of patent publication number CN117131549A are used.

[0038] In this embodiment, the EEG sensor body 1 can be configured as a circle, strip, polygon, or irregular shape, without limitation. The number of electrode pads 2 is set to at least one, and the electrode pads 2 can be wet electrodes, dry electrodes, or semi-dry electrodes to collect the user's EEG signals. The encryption chip 3 can be an encryption chip 3 with SOT-23-3 or SOT23-6 packages to reduce the size of the EEG sensor body 1. The transmission module 4 can communicate with the main controller 5 through wireless or wired transmission. When the transmission module 4 is a wireless transmission module 4, it can communicate with the main controller 5 through wireless transmission methods such as WIFI and Bluetooth. The main control circuit can be implemented using, for example, MCU (Microcontroller Unit), DSP (Digital Signal Processor), FPGA (Field Programmable Gate Array), or SOC (System-on-Chip).

[0039] In one embodiment, when the transmission module 4 communicates with the main controller 5 wirelessly, for example, the transmission module 4 uses a low-power Bluetooth processing module, the encryption chip 3 is bidirectionally connected to the low-power Bluetooth processing module, the electrode pad 2 is forwarded to the encryption chip 3 via the low-power Bluetooth processing module for data encryption, the encryption chip 3 sends the encrypted EEG signal and the factory ID to the low-power Bluetooth processing module, the low-power Bluetooth processing module forwards it to the main controller 5, and the main controller 5 receives the encrypted EEG signal and the factory ID. The main controller 5 is used to, when detecting that the EEG sensor is an authorized EEG sensor based on the encrypted EEG signal and the factory ID, decrypt the encrypted EEG signal and send it to the monitoring device; or, when detecting that the EEG sensor is an unauthorized EEG sensor based on the factory ID, generate an alarm signal and send it to the monitoring device to control the monitoring device to sound an alarm. The main controller 5 can be configured as a Bluetooth receiving module and a main control chip, or it can be configured as a low-power Bluetooth processing module.

[0040] In one embodiment, please refer to Figure 2 When the transmission module 4 communicates with the main controller 5 via wired transmission, the transmission module 4 communicates with the main controller 5 via a single bus.

[0041] Specifically, the transmission module 4 further includes multiple sensor plugs, each sensor plug 9 being connected to each electrode 2 in a one-to-one correspondence. The encryption chip 3 is bidirectionally connected to the transmission module 4. The encryption chip 3 acquires and encrypts the EEG signal via a single-bus protocol, and then sends the encrypted EEG signal and factory ID to the main controller 5 via the single bus connected to the output port of the transmission module 4. This allows the main controller 5 to decrypt the encrypted EEG signal and send it to the monitoring device when it detects that the EEG sensor is an authorized EEG sensor based on the encrypted EEG signal and the factory ID, or to generate an alarm signal and send it to the monitoring device when it detects that the EEG sensor is an unauthorized EEG sensor based on the factory ID, thereby controlling the monitoring device to trigger an alarm. Thus, in this embodiment, the main controller 5 can reduce the use of cables between the main controller 5 and the EEG sensor through single-bus communication, and the encryption chip 3 does not need to be connected to each of the multiple electrode 2 via cables to encrypt the EEG signal, greatly reducing the cost of cables used in the device.

[0042] In one embodiment, the EEG acquisition device further includes:

[0043] Data storage unit 7, which is electrically connected to the main controller 5, is used to store the electroencephalogram (EEG) signals.

[0044] In this embodiment, the data storage unit 7 may include non-volatile and / or volatile memory. Non-volatile memory may include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in various forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), dual data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link DRAM (SLDRAM), Rambus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), etc.; with this configuration, the EEG acquisition device can extract the acquired EEG signals at any time via the main controller 5.

[0045] In one embodiment, the EEG acquisition device further includes:

[0046] The prompting component 6 is disposed on the EEG sensor body 1 and is used to indicate the contact status of at least one of the electrode pads 2 and the working status of the EEG sensor.

[0047] In this embodiment, the EEG sensor can be equipped with a main control chip on the EEG sensor body 1, and the prompting component 6 can be equipped with a miniature pressure sensor on the EEG sensor body 1 near the electrode pad 2. When the miniature pressure sensor is in contact with the forehead skin, it sends a pressure signal to the main control chip, which then generates and outputs a pressure prompt signal to control the prompting component 6 to prompt the contact status of at least one of the electrode pads 2 through LED lights, voice playback, or other means. The main control chip can also generate a working prompt signal and output it when it detects that a working power supply is input to the EEG sensor, thereby controlling the indicator light to display the signal. In this way, the prompting component 6 can prompt the user about the contact status of the electrode pads 2 and the working status of the EEG sensor, increasing the intelligence of the EEG acquisition device. The prompting component 6 can be independently equipped with a main control chip to control the prompting component 6 to indicate the contact status of at least one of the electrode pads 2 and the working status of the EEG sensor. Alternatively, it can communicate with the main controller 5 through the transmission module 4 to receive pressure signals or generate and send working prompt signals and pressure prompt signals when the main controller 5 detects that the EEG sensor is connected to the working power supply, so as to control the prompting component 6 to indicate the contact status of at least one of the electrode pads 2 and the working status of the EEG sensor. Therefore, the connection relationship of the prompting component 6 is not limited here.

[0048] In one embodiment, the EEG acquisition device further includes:

[0049] The parameter board 8 is on which the main controller 5 is mounted.

[0050] In this embodiment, the parameter board 8 can be integrated with a variety of components, enabling the EEG acquisition device to integrate with a variety of different components, thereby making the entire EEG acquisition device more versatile and flexible.

[0051] This utility model also proposes an EEG acquisition device, which includes the EEG acquisition device as described above and a monitoring device for monitoring and displaying the user's EEG signals. The specific structure of the EEG acquisition device is as described in the above embodiments. Since this EEG acquisition device adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0052] This utility model also proposes an EEG acquisition system, which includes the EEG acquisition device as described above and an external terminal for users to view their own EEG signals. The specific structure of the EEG acquisition system is as described in the above embodiments. Since this EEG acquisition system adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0053] The technical solution of this utility model employs an electroencephalogram (EEG) acquisition device, which includes: an EEG sensor, the EEG sensor body 1 being disposed thereon; at least one electrode pad 2 disposed on the sensor body for placement on the user's forehead to acquire the user's EEG signals; an encryption chip 3 integrated within the EEG sensor body 1, the encryption chip 3 having a factory ID for sending the factory ID; the encryption chip 3 for encrypting the EEG signals before outputting the data; and a transmission module 4 disposed on the EEG sensor body 1, the transmission module 4 being connected to at least one electrode pad 2 and the encryption chip 1. Chip 3 is a communication connection used to send the encrypted EEG signal and the factory ID; main controller 5, which is communicatively connected to the transmission module 4, is used to receive the encrypted EEG signal and the factory ID; the main controller 5 is used to decrypt the encrypted EEG signal and send it to the monitoring device when it detects that the EEG sensor is an authorized EEG sensor based on the encrypted EEG signal and the factory ID, or to generate an alarm signal and send it to the monitoring device when it detects that the EEG sensor is an unauthorized EEG sensor based on the factory ID, so as to control the monitoring device to sound an alarm. In this way, the EEG acquisition device can encrypt the user's EEG signal collected by the EEG sensor, and the main controller 5 can determine whether it is an authorized EEG sensor. If it is an authorized EEG sensor, the main controller decrypts and sends the EEG signal to the monitoring device, thereby solving the problems of many non-original, unauthorized disposable EEG sensor consumables on the market. These consumables vary in quality, cannot guarantee the accuracy of anesthesia depth detection results, and some products even pose a risk of data leakage.

[0054] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. An electroencephalogram (EEG) acquisition device, characterized in that, The electroencephalogram (EEG) acquisition device includes: An electroencephalogram (EEG) sensor, wherein the EEG sensor is provided with an EEG sensor body; At least one electrode pad is disposed on the sensor body and is used to acquire the user's electroencephalogram (EEG) signals after being placed on the user's forehead. An encryption chip is integrated within the main body of the EEG sensor. The encryption chip is equipped with a factory ID and is used to send the factory ID. The encryption chip is used to encrypt the EEG signal before outputting it. A transmission module is disposed on the main body of the EEG sensor. The transmission module is communicatively connected to at least one of the electrode pads and the encryption chip, and is used to send the encrypted EEG signal and the factory ID. The main controller, which is communicatively connected to the transmission module, is used to receive the encrypted EEG signal and the factory ID. When the main controller detects that the EEG sensor is an authorized EEG sensor based on the encrypted EEG signal and the factory ID, it decrypts the encrypted EEG signal and sends it to the monitoring device; or when it detects that the EEG sensor is an unauthorized EEG sensor based on the factory ID, it generates an alarm signal and sends it to the monitoring device to control the monitoring device to trigger an alarm.

2. The EEG acquisition device as described in claim 1, characterized in that, The transmission module communicates with the main controller via wireless or wired transmission.

3. The EEG acquisition device as described in claim 2, characterized in that, When the transmission module communicates with the main controller via wired transmission, the transmission module establishes a communication connection with the main controller through a single bus.

4. The EEG acquisition device as described in any one of claims 1 to 3, characterized in that, The EEG acquisition device also includes: A data storage unit, electrically connected to the main controller, is used to store the electroencephalogram (EEG) signals.

5. The EEG acquisition device as described in claim 1, characterized in that, The EEG acquisition device also includes: A prompting component is disposed on the main body of the EEG sensor and is used to indicate the contact status of at least one of the electrode pads and the working status of the EEG sensor.

6. The EEG acquisition device as described in claim 1, characterized in that, The EEG acquisition device also includes: A sensor plug for connecting the electrode pads and the main controller.

7. The EEG acquisition device as described in claim 1, characterized in that, The EEG acquisition device also includes: The parameter board, on which the main controller is mounted.

8. An electroencephalogram (EEG) acquisition device, characterized in that, The EEG acquisition device includes the EEG acquisition device as described in any one of claims 1 to 7 and a monitoring device for monitoring and displaying the user's EEG signals.

9. An electroencephalogram (EEG) acquisition system, characterized in that, The EEG acquisition system includes the EEG acquisition device as described in claim 8 and an external terminal for users to view their own EEG signals.

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