55 results about "Electroencephalogram electrode" patented technology

A wearable electroencephalography device includes an ear cuff around an auricle of an ear comprising a curved structure conforming to contours of the ear, an electroencephalography electrode positioned on the ear cuff and contacting skin for detecting brain activity signals, a wireless controller integrated with the ear cuff and processing the brain activity signals from the electroencephalography electrode, and a wireless communication module transmitting the processed brain activity signals to an external device. The wearable electroencephalography device includes a mobile application receiving the transmitted brain activity signals from the wireless communication module, analyzing the brain activity signals using machine learning algorithms to determine emotional states of a user, and providing real-time feedback regarding the emotional states through a user interface. The mobile application comprises a self-report interface allowing the user to input subjective state data and a live-feed interface displaying real-time subjective state data derived from the brain activity signals.

The present invention relates to techniques for detection of depression cues in EEG signals using power spectral density-based features for deep learning. In an embodiment, a system for detecting depression in a person may comprise an Electroencephalogram (EEG) electrode array attached to the person, the EEG electrode array comprising at least ten electrodes adapted to read EEG signals, an amplifier, a filter, and an Analog to Digital Convert to digitize the read EEG signals, and computing circuitry comprising a processor, memory accessible by the processor, and computer program instructions stored in the memory and executable by the processor to perform: processing on the digitized read EEG signals to detect signal patterns indicative of depression in the person, and outputting a prediction indicating a likelihood of depression in the person based on the deep learning processing.

The invention provides an electroencephalogram collecting system which comprises a plurality of electroencephalogram electrodes connected to the brain of a living body to detect electroencephalogram signals. The acquisition module is correspondingly connected with the electroencephalogram electrodes so as to acquire electroencephalogram signals and preprocess the electroencephalogram signals; the acquisition module comprises at least one electroencephalogram acquisition sub-module, and the electroencephalogram acquisition sub-module is integrated with an amplifier, a multiplexer and an analog-to-digital converter; the main control module is used for carrying out secondary processing on the electroencephalogram signals and comprises a logic control unit and a processing unit; the logic control unit is connected with the acquisition module; and the processing unit is connected with a management terminal so as to configure parameters of the logic control unit and send the electroencephalogram signals subjected to secondary processing to the management terminal. According to the electroencephalogram acquisition system, the acquisition module and the main control module are integrated, so that electroencephalogram acquisition can be realized without a sickbed, and the portability and the flexibility of the electroencephalogram acquisition system are improved.

The utility model provides an electroencephalogram amplifier with a host module convenient to replace, which belongs to the technical field of signal processing equipment and comprises an electroencephalogram amplifier base and a host module which are independently arranged. The electroencephalogram amplifier base is provided with an electroencephalogram electrode and a dry electrode which are used for collecting human body electroencephalogram signals and uploading the human body electroencephalogram signals to the host module; a first magnet, a second magnet, a connector plug and a connector socket are arranged in the electroencephalogram amplifier base and the host module, so that stable electric connection and mechanical connection are formed between the host module and the electroencephalogram amplifier base. The electroencephalogram amplifier base and the host module are modularly designed, so that the host module can be independently replaced, the maintenance cost and the time cost are reduced, a user can replace host modules with different configurations according to needs so as to adapt to different research or clinical requirements, and the whole equipment can be replaced by replacing the host module instead of replacing the whole equipment. And the service life of the base and other parts is prolonged, and the use value of the equipment is improved.

The invention provides a traditional Chinese medicine head acupoint electroencephalogram cap detection and stimulation system, device and method, and the system comprises a positioning module which comprises a head acupoint positioning module, the head acupoint positioning module comprises a plurality of acupoint reference units, and the acupoint reference units correspond to a head acupoint map; the stimulation module is configured to apply head acupoint stimulation to the target acupoint; the signal acquisition module comprises a head acupoint signal acquisition module, the head acupoint signal acquisition module comprises a plurality of first electroencephalogram electrodes, the arrangement positions of the first electroencephalogram electrodes correspond to the head acupoints, and the first electroencephalogram electrodes are configured to acquire electroencephalogram signals of a user; and the control module is in communication connection with the positioning module, the stimulation module and the signal acquisition module. And the acupoint reference unit is aligned with the acupoints of the head, so that global positioning can be quickly completed.

Systems and methods for transmitting brainwaves or control signals via body communication from the brain to the ends of the body to control or activate body parts or even external devices. An EEG coupler / transceiver couples to a person's scalp, comprising an EEG electrode for receiving a brainwave from the person, an EEG body communication coupler, and an EEG antenna for transmitting a signal via the EEG body communication coupler. An activator coupler / transceiver couples to the person's body to stimulate a muscle, comprising a muscle activator, an activator body communication coupler, and an activator antenna for receiving the signal via the activator body communication coupler.

The application relates to the technical field of biology, and particularly discloses a flexible implantable electroencephalogram electrode, a smart strain material can dynamically adjust the hardness through electric signal instructions, a stress sensor is matched to monitor rigidity data in real time, the hardness is increased during implantation to avoid flexural deformation, the flexible implantable electroencephalogram electrode can accurately reach a deep target brain area, the hardness is reduced after implantation to adapt to the mechanical properties of brain tissue, inflammation and immune responses caused by long-term compression are reduced, implantation accuracy and biocompatibility can be considered; a signal processing module performs feature correlation analysis on real-time rigidity data and a multimodal original data set, so that the monitoring result not only contains physiological signal information, but also fuses the adaptation state data of the electrode and brain tissue, signal interference caused by unsuitable electrode rigidity is eliminated, and the accuracy and reliability of multi-dimensional physiological state evaluation of the target brain area are improved; in this way, multi-dimensional acquisition and fusion are realized, dynamic adaptation and accurate implantation can be realized, and data correlation and evaluation accuracy are improved.

The application provides a combined electroencephalogram electrode piece, and relates to the technical field of electroencephalogram electrode pieces, which comprises a head top sleeve, the bottom of the head top sleeve is fixed with an elastic band, the outer wall of the head top sleeve is movably installed with a second sleeve rod, the bottom end of the second sleeve rod is movably sleeved with a second telescopic rod, the bottom end of the second telescopic rod is fixed with a connecting block near one side of the middle part of the head top sleeve, and the outer wall of the bottom end of the second sleeve rod is penetrated and threadedly connected with a limiting bolt. The device drives the threaded rod to rotate through the control of a servo motor, so that the threaded sleeve block moves up and down on the outer wall of the threaded rod, drives the first telescopic rod to stretch and shrink in the first sleeve rod, simultaneously changes the angle of the first sleeve rod, drives the second sleeve rod to rotate outside the head top sleeve, changes the position of the bottom end of the second telescopic rod at the bottom, further changes the position of the connecting block, and makes the connecting block fit the head of a person to be detected, so that the effect that the device is suitable for people with various head sizes is achieved.

The utility model discloses a hand rehabilitation training system which comprises a brain wave collecting assembly and an action executing assembly, the action executing assembly is used for controlling a hand to execute corresponding actions, the brain wave collecting assembly comprises an air bag head sleeve, a first air nozzle is arranged on the air bag head sleeve, and a plurality of brain electrodes are arranged on the inner wall of the air bag head sleeve; the brain electrode is electrically connected with an electroencephalogram decoding module arranged on the air bag head sleeve, and the electroencephalogram decoding module is electrically connected with the action executing component. The brain wave collecting device has the advantages that the adaptability to patients with different head circumferences is improved, and the brain wave collecting sufficiency is improved.

The application relates to the technical field of electroencephalogram signal collection, and discloses a manufacturing method of a semi-dry electrode, a semi-dry electrode and an electroencephalogram signal collection system. The manufacturing method comprises the following steps: pouring a preset amount of liquid gel into a pouring cavity of a pouring mold; the surface of a support is adapted to conduct electricity, and the support is provided with a contact part; inserting the contact part into the pouring cavity to wait for the gel to solidify, and a gap exists between the inner wall of the pouring cavity and the contact part; after the liquid gel is solidified, the solid gel adheres to the contact part to form an electroencephalogram electrode; when the electroencephalogram electrode is in close contact with the scalp, the surface of the scalp and the electroencephalogram electrode are in an electrically connected state. In actual application, the solidified gel can directly pass through the hair and be in close contact with the scalp, so that good electrical contact is formed between the surface of the scalp and the electroencephalogram electrode, and the accuracy of signal transmission is ensured. Therefore, the problem of short circuit between electrode points is avoided.

The invention discloses a knee joint orthopedic rehabilitation brain-computer interface exoskeleton power-assisted control method and system, and relates to the technical field of knee joint rehabilitation. The method comprises the following steps: based on an electroencephalogram electrode cap and a knee joint angle sensor, analyzing a corresponding relation between an electroencephalogram main peak and a joint action, combining plantar pressure change, screening gait characteristics, judging an intention signal and an action trend, proofreading exoskeleton execution, and obtaining a closed-loop action offset index. According to multi-dimensional trend analysis of the action execution process, electroencephalogram intention judgment is dynamically associated with the knee joint action process, intention signals and action state changes are comprehensively analyzed through trend synchronous judgment and continuous behavior cooperation, and layer-by-layer linkage of intentions, behaviors and the execution process is achieved; the control output has real-time adaptation and compliant coordination ability, the training stage can adapt to multi-source signal changes, the false triggering probability is effectively reduced, the action continuity is guaranteed, and the man-machine coordination consistency and the rehabilitation training safety guarantee ability are improved.

The invention provides a brain wave electrode cap disinfection treatment device, and relates to the technical field of electrode cap disinfection, the brain wave electrode cap disinfection treatment device comprises a shell, the top in the shell is provided with a transmission belt, one side of the top of the shell is provided with a driving chamber, the driving chamber is internally provided with a motor, and the motor is used for driving the transmission belt; a disinfectant spraying frame is arranged on the periphery of the side, close to the driving chamber, of the transmission belt, a flushing frame is arranged on the periphery of the side, away from the driving chamber, of the disinfectant spraying frame, and a drying frame is arranged on the periphery of the side, away from the driving chamber, of the disinfectant spraying frame. By arranging the structure and arranging a matching structure of the opening plate and the adjusting block, stable opening and fixing of an electrode cap are achieved, a stable supporting foundation is provided for follow-up disinfection treatment, in the disinfection link, the disinfectant spraying frame sprays the electrode cap from different angles through the multiple sets of spraying heads, and the disinfection efficiency is improved. It is ensured that disinfectant can uniformly cover the inner surface and the outer surface of the electrode cap, the disinfection effect is improved, and the residual disinfectant is effectively removed through the multi-direction flushing design of the flushing frame.

The present application relates to the technical field of health care informatics, in particular to a system for predicting depression of teenagers, comprising an acoustic characteristic representation module, including a co-integrated ultrasonic transducer array and electroencephalogram electrode, an electrode substrate embedded with an acoustic impedance sensor, and a temperature-sensitive acoustic coupling adhesive layer on the surface of the electrode substrate; a multi-layer medium acoustic modeling module: used for establishing an accurate head tissue acoustic transmission model according to individual anatomical structure characteristics, for quantifying the frequency dispersion effect generated when the electroencephalogram signal propagates in different tissue layers, etc.; solving the problem that in the prior art, due to the change of the myelin sheath thickness of teenagers, the tissue-specific dispersion has a systematic influence on the functional connection network, resulting in that the depression-related network abnormalities and the development-related transmission changes cannot be distinguished.

The application discloses a front-end probe for an electroencephalogram electrode and the electroencephalogram electrode and belongs to the technical field of electroencephalogram. The front-end probe comprises a barrier layer, a liquid absorption layer, a conductive layer and an interface layer; the barrier layer is formed with a containing cavity, the liquid absorption layer, the conductive layer and the interface layer are arranged in the containing cavity, the liquid absorption layer, the conductive layer and the interface layer are sequentially arranged along the direction from the outer wall to the inner wall of the barrier layer, the liquid absorption layer covers at least part of the conductive layer, the conductive layer covers at least part of the interface layer, and the interface layer is used for connecting an elastic supporting rod of the electroencephalogram electrode; along a first direction, the barrier layer has opposite top and bottom parts, the top part is provided with a through hole used for penetrating the elastic supporting rod, the bottom part is a closed structure, the side part of the barrier layer is provided with an opening, the opening is opposite to at least part of the position of the liquid absorption layer, and the side part of the barrier layer is a part between the top part and the bottom part of the barrier layer.

The utility model relates to the field of electroencephalogram electrode caps, in particular to a newborn electroencephalogram electrode cap, which is provided with a structure that an upward lifting electrode plate and a fixing cap are connected together, and can prevent slipping. A plurality of cylindrical fixing caps with lower openings are fixedly arranged on the head sleeve, first round holes are formed in the tops of the fixing caps, side openings allowing disc-shaped electrodes to be inserted are formed in the fixing caps, inserting grooves matched with the electrodes in an inserted mode are embedded in the side openings and the inner surfaces of the fixing caps, connecting pieces are arranged on the outer sides of the electrodes, and the outer ends of the connecting pieces are connected with lines. The connecting piece is sleeved with a handle, a second round hole is formed in the center of the electrode, and a fixing structure for lifting the electrode upwards penetrates through the second round hole and the first round hole from bottom to top. The device is easy to operate, convenient to use and suitable for various patients.

The invention relates to the technical field of medical care informatics, in particular to a teenager depression prediction system. Comprising an acoustic characteristic characterization module, the acoustic characteristic characterization module comprises an ultrasonic transducer array and electroencephalogram electrode co-integration, an acoustic impedance sensor is embedded in an electrode substrate, and a temperature-sensitive acoustic coupling adhesive layer is arranged on the surface of the electrode substrate; the multi-layer medium acoustic modeling module is used for establishing an accurate skull tissue acoustic transmission model according to the characteristics of an individual anatomical structure, and is used for quantifying the frequency dispersion effect and the like generated when the electroencephalogram signals are transmitted in different tissue layers; the problem that depression-related network abnormity and development-related transmission change cannot be distinguished due to systematic influence of tissue-specific dispersion on a functional connection network due to teenager myelin sheath thickness change in the prior art is solved.

The invention relates to the technical field of brain-computer interfaces, and discloses a dry and wet electrode dual-purpose electroencephalogram impedance detection device and method. The device comprises an electroencephalogram electrode interface, a multi-path 2: 1 analog switch circuit, a 10: 1 analog switch circuit, a multi-path buffer drive circuit, an impedance measurement circuit, an impedance measurement interface and an electroencephalogram transmission interface. The 2: 1 analog switch circuit is used for realizing switching of a single electrode signal between an impedance channel and an electroencephalogram channel, the 10: 1 analog switch circuit is used for realizing time-sharing switching output of multiple paths of impedance signals, and the impedance measurement circuit is used for completing impedance calibration and electrode-scalp contact impedance measurement. The buffer drive circuit is used for driving and conditioning the high-internal-resistance electroencephalogram signals, and the impedance measurement interface and the electroencephalogram transmission interface are used for realizing connection and signal transmission between the device and external electroencephalogram acquisition equipment. According to the invention, random combination of the electroencephalogram cap and the amplifier is realized, and the use cost of electroencephalogram acquisition equipment is greatly reduced.

The invention discloses a postoperative cognitive disorder rehabilitation device based on multi-sensory stimulation, and relates to the field of medical rehabilitation equipment. The supporting plate is connected between the pair of side supporting frames; the supporting bottom plate is arranged on the supporting plate in a sliding manner; the seat is arranged on the supporting bottom plate; the vertical plate is arranged on the supporting bottom plate and is opposite to the seat; the annular plate is arranged on the side, facing the seat, of the vertical plate. An immersive visual environment is constructed through cooperation of the annular plate and the display screen, and multi-dimensional and real-time comprehensive monitoring of nerve and physiological states in the cognitive training process of a patient is realized in combination with cooperation of the electroencephalogram electrode plate, the temperature monitoring plate, the eye movement monitoring device and the integrated multi-parameter monitor; therefore, the influence of sensory stimulation can be accurately evaluated, and a rehabilitation scheme can be dynamically adjusted; meanwhile, multi-mechanism self-adaptive adjustment including angle adjustment, head position adjustment and lifting drive is adopted.

The invention discloses a self-adaptive brain control artificial limb method based on space-time diagram decoding and online reinforcement learning. The method comprises the steps that S1, electroencephalogram time sequence data collected through a multi-channel electroencephalogram electrode are obtained; s2, constructing an electroencephalogram spatial-temporal feature map corresponding to the target angle sequence according to the electroencephalogram time sequence data; s3, constructing a space-time diagram convolutional network model; s4, taking the electroencephalogram spatial-temporal feature map as an input feature, taking the target angle sequence as a feature tag, and performing model training on the constructed spatial-temporal map convolutional network model to obtain an optimal spatial-temporal map convolutional network model; and S5, constructing a reinforcement learning model, and realizing adaptive control of the brain-controlled intelligent artificial limb according to the output of the optimal space-time diagram convolutional network model. The problem that according to an existing method, control is simplified into discrete instruction classification, and a continuous and fine movement track cannot be generated is solved. Meanwhile, the spatial topological characteristics of the electroencephalogram signals are not sufficiently utilized, and the self-adaptive capability depends on heavy manual calibration.

The utility model provides an electroencephalogram amplifier convenient to wear, which belongs to the technical field of signal processing equipment.The electroencephalogram amplifier comprises an electroencephalogram amplifier base and a host module, and a wearing device and an electroencephalogram electrode are arranged on the electroencephalogram amplifier base; the wearable device comprises a wearable head band, adjusting bands and buckles, the two ends of the wearable head band are each connected with one adjusting band, each adjusting band is matched with one buckle, each buckle is provided with a connecting port, and the outer side surfaces of the two ends of the wearable head band are each provided with a hook-and-loop fastener loop surface; a magic tape hook surface is arranged on the outer side surface of the end part of each adjusting belt; the end of each adjusting belt penetrates through the corresponding connecting opening and then is folded back, and the hook faces of the hook-and-loop fasteners are connected with the loop faces of the hook-and-loop fasteners. The two buckles are connected with the two ends, in the width direction, of the electroencephalogram amplifier base correspondingly, the wearing process of the electroencephalogram amplifier is simple and rapid through the wearing device, and the electroencephalogram amplifier is stable and not prone to falling off after being worn and adapts to the head shapes of different users.

The utility model relates to the technical field of electroencephalogram signal monitoring equipment, in particular to a dynamically adjustable electroencephalogram electrode tip for a helmet, which comprises a helmet shell, an electrode tip mounting plate is fixedly mounted in the helmet shell, and an electrode adjusting assembly is arranged between the electrode tip mounting plate and the helmet shell; through cooperation with the cap body output terminal, the position and angle of the electrode cap body can be flexibly adjusted, so that dynamic adjustment of the contact pin body at different positions is achieved to better fit different positions of the head of a user and adapt to different electroencephalogram collection requirements, the signal output line penetrates through the helmet shell to be electrically connected with the knob, and the signal output line is convenient to use. The arc-shaped contact piece at the bottom of the knob is matched with the cap body output terminal, and the cap body output terminal is electrically connected with the electrode cap body, so that the stability and the reliability of signal transmission are ensured, and the electroencephalogram signals can be effectively transmitted.

The utility model provides an electroencephalogram and near infrared spectrum combined device, and belongs to the technical field of medical auxiliary instruments. The combined device comprises a cap body, a near-infrared probe, an electroencephalogram electrode and a liner, the near-infrared probe, the electroencephalogram electrode and the liner are arranged on the cap body, the cap body is used for being worn on the head of an object, an adapter used for fixing the near-infrared probe and an electrode holder used for fixing the electroencephalogram electrode are arranged on the cap body, and the adapter and the electrode holder are each provided with a head attaching end. A first thickness is formed between the end surface of the head fitting end of the electrode holder and the cap body part corresponding to the electrode holder; the gasket is located between the head attaching end of the adapter and the cap body and arranged on the adapter in a sleeving mode so as to form a second thickness between the end face of the head attaching end of the adapter and the cap body part corresponding to the adapter, and the difference between the first thickness and the second thickness is smaller than 1 mm. The combined device can meet the requirement for near-infrared and electroencephalogram synchronous detection.

The invention discloses a hydraulically-driven electroencephalogram electrode adjusting system and method, and relates to the technical field of electroencephalogram collection. The system comprises a rigid cavity, a hydraulic driver, a liquid path pipeline, at least one flexible telescopic pipe, an electrode unit, a pressure sensor, an impedance detection module and a controller, wherein the rigid cavity and the flexible telescopic pipe form a public liquid cavity; according to the adjusting method, the conductive electrolyte is conveyed to the liquid cavity through the hydraulic driver, the controller establishes initial contact between the electrodes and the scalp according to pressure feedback, the electrolyte is adjusted according to impedance feedback to enable impedance to enter a target interval, and the feed-forward adjusting mode is switched to maintain impedance stability after the impedance is stable. According to the device, the axial telescopic characteristic of the flexible telescopic tube is utilized to adapt to the complex scalp shape, automatic liquid supply is achieved in combination with double-feedback adjustment, manual adjustment is not needed, the problems of poor contact adaptation and low operation efficiency in a hair covering scene are solved, and the device has the advantages of being stable in contact, convenient and fast to operate and high in adaptability and is suitable for various electroencephalogram collection scenes.

The present invention provides an electroencephalogram (EEG) measurement device that can stably bring EEG electrodes into contact with the scalp. [Solution] The electroencephalogram (EEG) measuring device 10 comprises a support body 110, an elastic member 130, a holding part 180, and an EEG electrode member 120. Electroencephalograms are measured by bringing the EEG electrode member of the EEG measuring device into contact with the head (scalp). The EEG electrode member is attached to the elastic member via the holding part and held by the support body. The EEG measuring device includes an electrode unit (EEG electrode member) and a vibrating part 190 that vibrates the electrode unit (EEG electrode member).

The invention relates to a wire arrangement system and method for marking and searching electroencephalogram electrode wires, and the system comprises a plurality of editable electronic wire arrangement device tags, each electronic wire arrangement device tag is bound on each electroencephalogram electrode wire, and the electronic wire arrangement device tag comprises a reminding module and a wireless communication module; the central controller is connected with the electronic wire arrangement device labels, and scans and identifies unique ID addresses of all the electronic wire arrangement device labels through a built-in wireless wire concentration module; and the terminal equipment is connected with the central controller and is used for establishing digital mapping between the ID address and the custom name, and based on the custom name and the digital mapping, sending an instruction to the corresponding electronic wire arrangement device label to start the reminding module so as to realize positioning and identification of the target electroencephalogram electrode wire. Compared with the prior art, the method has the advantages of high label configuration flexibility, improvement of electrode wire positioning speed and accuracy and the like.

Presented herein are systems and methods of identifying locations to place stereo-electroencephalography (SEEG) electrodes on brain tissues of subjects for detection of epileptogenic zones (EZs). A computing system may receive, for a subject at risk of or diagnosed with epilepsy, a dataset comprising a neuroimage of the brain of the subject and a metric indicating a degree of neuropsychological function of the subject. The computing system may apply the dataset to a machine learning (ML) model. The computing system may generate a plurality of coordinates for a corresponding plurality of locations along a brain tissue of the subject, each of the plurality of coordinates identifying a plurality of locations at which to place a plurality of SEEG electrodes on the brain tissue to detect an EZ within the subject.

The application relates to the technical field of electroencephalogram data processing, and discloses a stereotactic electroencephalogram electrode contact calibration method and device. The application can clearly and accurately distinguish discrete electrode contact coordinates. Even in the case that the implanted electrode is severely curved or deformed, the center coordinates of the electrode contact area can still be accurately positioned. In the case that imaging is relatively fuzzy and adjacent contacts are difficult to distinguish, the application still has accurate distinguishing ability. In addition, the application can automatically segment different electrodes, independently determine the spatial axis and target point direction of each electrode, and calculate the marking path of the electrode contact. The position and direction of the electrode do not need to be manually marked by a person, and the operation process is convenient. Therefore, the application has the ability to completely, accurately, comprehensively and efficiently complete the electrode calibration work which needs to be manually or semi-automatically completed by a large number of manual interventions in the past, and the application further embodies the characteristics of full automation, high precision and strong flexibility.

The invention discloses a programmable array probe for monitoring a craniocerebral state and a monitoring system. The programmable array probe comprises a flexible front-end signal acquisition module and a rear-end signal processing module connected with the flexible front-end signal acquisition module, the flexible front-end signal acquisition module comprises a top encapsulation layer, a middle sensing layer and a bottom structure layer which are sequentially arranged from top to bottom, and a wet adhesion hydrogel interface layer covering the surface of the top encapsulation layer; the bottom structure layer is connected with a plurality of column electrodes which penetrate through the middle sensing layer and are arranged in parallel; the middle sensing layer comprises one or more flexible sensor array layers which are arranged in a laminated mode, the flexible sensor array layers are selected from an electroencephalogram electrode sensor array layer and a brain tissue oxygen monitoring sensor array layer, and different flexible sensor array layers are electrically connected with the bottom structure layer through different column electrodes; the programmable array probe provides a reliable and efficient execution scheme for monitoring the craniocerebral state in the operation, the detection accuracy and the adhesion effect are improved, and the abnormal state of the craniocerebral environment of a patient is fed back in time.

The utility model relates to a brain electrode base and a brain electricity cap, and belongs to the technical field of brain electrodes. The brain electrode base comprises a fixing piece, and a first cavity is defined in the fixing piece; a brain electrode is installed on the fixing piece and located at the liquid outlet end of the first cavity. An injection port is formed in the top of the fixing piece and communicates with the first cavity; the conductive paste enters the first cavity from the injection port and flows to the liquid outlet end of the first cavity to be in contact with the brain electrode. According to the brain electrode base, the first cavity allowing the conductive paste to make contact with the brain electrode is formed in the fixing piece, the injection opening is formed in the top of the fixing piece, and therefore the conductive paste can make contact with the brain electrode under the condition that the brain electrode base is not moved.

This utility model discloses an infrared electroencephalogram (EEG) electrode positioning device, comprising: a fixing component, including a fixing surface and an assembly surface, wherein the fixing surface is used for detachable fixing to a wall, and the assembly surface is provided with a first ball joint; an infrared probe for projecting red dots to the target electrode position; and an adjusting rod assembly, one end of which is rotatably connected to the first ball joint of the fixing component, and the other end of which is movably connected to the infrared probe. This utility model achieves detachable fixing to the wall through the fixing component, eliminating the need for drilling and preventing damage to the installation environment, thus solving the problems caused by traditional drilling fixing methods. The rotatable connection of one end of the adjusting rod assembly to the first ball joint of the fixing component allows the adjusting rod assembly to be adjusted in multiple directions. Compared with traditional rigid structure supports that only support single-direction adjustment, this better adapts to the multi-angle needs of different patient head shapes or complex surgical scenarios, improving the adjustability and flexibility of the support.