639 results about "Electro stimulation" patented technology

The invention provides a transcranial stimulation control method, a transcranial stimulation control system and a computer readable storage medium, and the method comprises the steps: collecting an electroencephalogram parameter signal, and converting the electroencephalogram parameter signal into an electroencephalogram feature vector; inputting the electroencephalogram feature vector into a large language model, obtaining an initial electrical stimulation signal corresponding to the electroencephalogram feature vector from a stimulation electroencephalogram knowledge model according to the electroencephalogram feature vector, and generating an initial electrical stimulation signal scheme; the initial electrical stimulation signal is optimized through an attention mechanism according to historical response data of a user, a final electrical stimulation signal scheme is output, and the historical response data of the user comprises a historical electrical stimulation signal scheme and user feedback information; and outputting the final electrical stimulation signal scheme to a transcranial stimulation module. The method can improve the insomnia treatment efficiency of the user.

The invention provides a brain deep electrical stimulation electrode parameter determination method and related equipment, and the method comprises the steps: building a head simulation model which comprises conductivity distribution; determining one or more target stimulation target spots and one or more non-target inhibition areas on the head simulation model; based on one or more target stimulation target spots and one or more non-target inhibition areas, multiple groups of electrode configuration schemes are determined through an electrode positioning method, each group of electrode configuration scheme is configured on the head simulation model, and multiple groups of stimulation simulation models are obtained; performing finite element solution based on the anatomical structure and the conductivity distribution of each group of stimulation simulation models, and optimizing the electric field intensity of one or more target stimulation target spots and the electric field intensity of one or more non-target suppression regions to obtain a plurality of electrode parameters; and determining a target electrode parameter in the plurality of electrode parameters, and taking an electrode configuration scheme corresponding to the target electrode parameter as a target electrode configuration scheme.

The invention provides a collateral dredging instrument parameter optimization method based on subjective and objective data fusion, and relates to the technical field of collateral dredging instruments, and the method comprises the following steps: generating an initial electrical stimulation parameter according to an initial electrophysiological signal of the collateral dredging instrument for detecting a target acupoint, and starting the output; in an initial stage of starting output, receiving a subjective trigger signal which is fed back by a user and represents a tolerable critical point, and recording a stimulation intensity value corresponding to the subjective trigger signal as a current personal comfort threshold value of the user; performing continuous stimulation by taking the current personal comfort threshold as basic intensity, and simultaneously executing the following parallel steps: acquiring a continuous or discrete real-time subjective comfort feedback signal input by a user through an interactive interface in real time; monitoring a dynamic electrophysiological signal of the target acupuncture point in real time, and analyzing the change trend of the dynamic electrophysiological signal to generate an objective adjustment suggestion signal; and performing fusion analysis on the real-time subjective comfort feedback signal and the objective adjustment suggestion signal, and performing real-time dynamic adjustment on the current electrical stimulation parameter according to the fusion analysis.

The invention belongs to the technical field of brain-computer interfaces, and particularly relates to a post-stroke dysphagia rehabilitation recognition system, feedback stimulation equipment and a storage medium. The system comprises a signal acquisition module, an electroencephalogram signal preprocessing module, a neural network feature extraction module, a statistical feature extraction module and a swallowing intention recognition module, and can recognize whether a patient has a swallowing intention or not through a Mama deep learning model based on space-time statistical features. The invention also constructs brain-computer interface equipment for rehabilitation of dysphagia after stroke in combination with electroencephalogram signal acquisition equipment and electrical stimulation equipment. The technical scheme of the invention has the advantages of being accurate in recognition, good in rehabilitation treatment effect and capable of forming center-periphery closed loop feedback, and has a very good application prospect.

The present invention relates to a device for the prevention and / or treatment of fecal and / or urinary incontinence. The device may fit into a vagina. The device may include a pressure sensor and electrodes. The device may include a lateral projection on the device and / or a skin of the device. In response to intra-abdominal pressure the device may apply electrostimulation with the electrodes, for example to a vaginal mucosa.

The invention discloses a time interference double-target electrical stimulation system, which comprises a signal generation unit used for generating multiple paths of carrier signals and adjusting the frequency, amplitude and / or phase of the carrier signals; the current output unit is used for converting the multiple paths of carrier signals into multiple paths of carrier currents, and electrical isolation and intermodulation suppression are provided between the multiple paths of carrier currents; the electrode unit is electrically connected with the current output unit and comprises a plurality of electrodes and a position subunit, the plurality of electrodes are used for receiving the multi-channel carrier current so as to discharge in an attached target area, and the position subunit is used for determining the attaching position of each electrode; and the control unit is used for controlling the discharge of the plurality of electrodes, detecting the impedance and carrier current at the plurality of electrodes to assist the position subunit in determining the fitting position and detecting the frequency and / or phase of the plurality of carrier current to control the signal generation unit to adjust the frequency and / or phase of each path of carrier signal. The system realizes independent stimulation of two target spots in a hardware-level time interference mode, has signal output with high stability and low mutual interference, and can perform real-time feedback regulation and safety protection.

According to the electrical stimulation system and the transcranial electrical stimulation method, an upper computer module is connected with each electrical stimulation module through a central control module and is used for sending a data packet containing waveform parameters set by a user; and after receiving the data packet, the target electrical stimulation module firstly analyzes and verifies the data packet, covers the original built-in waveform parameter with the new waveform parameter after successful analysis and verification, and sends a confirmation signal to the upper computer through the central control module. The upper computer issues a stimulation instruction after receiving a signal and triggers the corresponding module to execute operation, the shedding detection unit judges whether the electrode is separated from the skin surface or not through impedance change, the feedback unit transmits the working state and shedding information of the electrode back to the upper computer through the MCU, closed-loop monitoring is formed, waveform parameters of each electrical stimulation module are independent, and the reliability of the electrical stimulation module is improved. And the electrical stimulation module is more flexible in cutting and expansion, and the electrode state is fed back in real time.

The invention relates to the technical field of nerve regulation and control, and discloses a nerve regulation and control method based on dynamic frequency band analysis, which is used for improving the accuracy of epileptic seizure judgment. The neural regulation and control method based on dynamic frequency band analysis comprises the following steps: acquiring a local field potential signal of a target brain region in a preset time period; performing dynamic frequency band analysis on the local field potential signal to obtain a pathological wave frequency band, a high-frequency oscillation band, a harmonic coupling band and a suppression wave band; calculating the energy ratio and the cross-band phase coupling strength of each feature sub-band, and generating a multi-dimensional feature vector; the epileptic seizure probability is calculated according to the multi-dimensional feature vector; and when the epileptic seizure probability is greater than a preset threshold value, selecting a corresponding stimulation parameter group according to the dominant characteristic sub-band type, and outputting an electrical stimulation pulse with a frequency band matching characteristic.

The invention provides an electrical stimulation task processing method and device and terminal equipment, and the method comprises the steps: inputting a collected user face image into a pre-trained face detection model for face recognition, and obtaining a face region recognition result; inputting the face region recognition result into a pre-trained key point recognition model for key point detection to obtain a face key point recognition result; constructing a face feature coordinate system based on the face key point recognition result, and mapping the face acupoints to the face feature coordinate system in combination with a preset mapping rule to obtain a user face acupoint positioning result; performing acupoint impedance detection according to a user face acupoint positioning result, calling a corresponding electrical stimulation waveform according to an electrical stimulation task initiated by the user when the acupoint impedance detection result is passed, and executing the electrical stimulation task based on the electrical stimulation waveform. According to the invention, the alignment accuracy and the treatment effectiveness of the TENS equipment in the use process can be improved.

The invention provides a brain electrical stimulation control method and device, a medium and computer equipment, and the method comprises the steps: setting an electrical stimulation period time signal through a local control module, and dividing the electrical stimulation period time signal into a stimulation stage, a window stage and a recovery stage with continuous time periods; in the stimulation stage, an electrical stimulation signal with preset parameters is output through the time-multiplexed electrode slice; in the empty window stage, disconnection or hardware protection is carried out on the electrode slices to shield crosstalk of stimulation signals to an electroencephalogram acquisition channel; in the recovery stage, electroencephalogram signals are collected and subjected to suppression algorithm processing to eliminate residual artifacts, and in the recovery stage, the collected electroencephalogram signals are subjected to suppression algorithm processing to eliminate residual low-frequency artifacts of electrode capacitance. The problems of hardware redundancy and artifact interference of an existing electrical stimulation system are effectively solved, and accuracy and safety are improved.

The invention discloses a programmable electrical nerve stimulation system based on ultrasonic energy supply. The programmable electrical nerve stimulation system comprises an ultrasonic transmitter, a piezoelectric receiver, a rectifier, a power management module, a data demodulation circuit, a control module, an H-bridge driving circuit, a current digital-to-analog converter and an H-bridge circuit, the external ultrasonic transmitter can transmit ultrasonic waves to supply power to the system and transmit data, and the piezoelectric receiver receives ultrasonic signals and converts the ultrasonic signals into alternating current signals. The rectifier and the power management module can convert alternating current signals into direct current signals to provide power for other circuits of the system, the data demodulation circuit processes the alternating current signals to recover data information in ultrasonic waves, the control module controls the H-bridge driving circuit and the current digital-to-analog converter according to the data information, and finally electrical stimulation is achieved through the H-bridge. The system provided by the invention has the characteristics of wireless energy supply, high safety and programmable stimulation parameters, and can realize accurate control of output current parameters.

The invention provides a rigidity-flexibility variable multifunctional optical genetic implantable probe and a preparation method thereof. The probe comprises a thin film electrode layer and a rigidity-flexibility variable shape memory layer arranged at the bottom of the thin film electrode layer. The micro LED is integrated in the flexible nerve probe through contact type laser transfer printing to serve as a light stimulation light source, the preparation success rate is remarkably increased, heat radiated outwards during light stimulation is reduced, and damage to brain tissue of the brain caused by high-Young-modulus optical fibers is avoided; meanwhile, a rigid-flexible variable shape memory layer is also integrated, so that the Young modulus of the probe is high when the in-vitro temperature is relatively low, fixed-point implantation can be directly carried out without an auxiliary tool, the Young modulus of the probe is reduced along with the rise of the body temperature after the probe is implanted into the body, and the probe finally adapts to the mechanical tissue strength of the brain; therefore, the implantation efficiency and the mechanical adaptability of the probe to brain tissues are improved, and micron-scale accurate implantation of the probe, neuron-scale positioning of electrical stimulation and light stimulation points and long-term stable recording of electrophysiological signals are realized.

Disclosed are an electrical stimulation circuit, an electrical stimulation method, an electronic device, and a storage medium, where the electrical stimulation circuit includes: a timer for timing; a pulse width modulator connected to the timer, where a first pulse signal is generated when first trigger time set by the timer is up, and a second pulse signal is generated when second trigger time set by the timer is up; a driving circuit connected to the pulse width modulator, where the first pulse signal outputs a first stimulation current, the second pulse signal outputs a second stimulation current through the driving circuit, and the first stimulation current is opposite to the second stimulation current; and a stimulation electrode connected to the driving circuit, where the stimulation electrode is in contact with a plurality of stimulation positions, and configured for randomly outputting the first stimulation current and the second stimulation current.

The invention relates to the technical field of medical rehabilitation treatment, and discloses a self-adaptive functional electrical stimulation system based on bimodal feedback and a control method. The system comprises a main control module, a stimulation output module, an electroneurographic signal detection module, a biological impedance test module and a safety isolation module. The main control module comprises a safety current determination unit, a stimulation control unit and a dynamic calibration unit which are respectively used for determining an individualized initial safety current based on neural action potential feedback, controlling treatment stimulation output and dynamically calibrating a safety current upper limit according to biological impedance change before and after stimulation. According to the invention, through bimodal feedback of electroneurographic signals and biological impedance, individualized calibration and real-time dynamic optimization of stimulation parameters are realized, and the problem that the treatment effect and safety are difficult to guarantee due to the fact that traditional functional electrical stimulation depends on experience setting and lacks physiological feedback is solved; and the accuracy, safety and adaptability of rehabilitation treatment are remarkably improved.

This paper presents a medical device for treating traumatic brain injury and cerebral thrombosis through electroacupuncture. The device includes a 6-DOF (degree of freedom) mechanical arm, a multifunctional tool tip, an MRI helmet suitable for acupuncture, and magnetic resonance imaging (MRI). The acupuncture robot can insert needles and automatically manipulate specific needles by rotating or vibrating them within a specific frequency range, and can enhance the effect by applying electrical stimulation.

The utility model relates to the technical field of electrical stimulation equipment, and provides an electrical stimulation headphone with a sound wave vibration function, which comprises an elastic head band and a headphone structure arranged on the elastic head band, the headphone structure comprises an electrode slice, a conductive air bag in contact with the electrode slice and an inflation component, the shape of the conductive air bag is formed to be matched with the acting position of the human ear, and the inflation component is connected with the conductive air bag. The power supply module is electrically connected with the electrode plates; the vibration module is electrically connected with the power supply module and is used for generating vibration and cooperating with the conductive air bag to work; the control module is in electric signal connection with the power module. The electric shock therapeutic instrument not only can play music to relax the mind and body of people, but also can apply therapeutic electric shock signals to stimulate acupuncture points of ears of a human body, dredge channels, promote blood circulation, eliminate fatigue and other health care functions, thereby improving the sleep quality of a user.

The invention discloses a portable acupuncture point area synchronous stimulator integrating a multi-mode physiotherapy function. The portable acupuncture point area synchronous stimulator comprises an instrument main body, an acupuncture fixing structure clamp and an integrated acupuncture point area physiotherapy disc, a control circuit and a power supply circuit are integrated in the instrument main body, a central touch screen and a lead bundle are arranged on the surface, and a lead connector plug is arranged at the tail end of the lead bundle; the acupuncture fixing structure clamp comprises a clamping mechanism main body, a power supply connecting line and a sensor interface; the integrated acupoint region physiotherapy disc is of a three-layer stacked structure of a top layer protective shell, a PCB and a contact bottom plate, a coaxial needle hole is formed in the center, and a standard acupuncture needle is allowed to vertically pierce into an acupoint to achieve coincidence of acupuncture and physiotherapy space; the PCB is integrated with four physical therapy modules including an LED phototherapy module, a magnetic therapy magnet, a heating coil and an electrical stimulation electrode, and can synchronously output four physical stimulations including light, magnetism, heat and electricity.

A system and method for performing electro-manual therapy is disclosed. In one embodiment, an electrode is attached to a practitioner, allowing the practitioner to deliver current through his hand or a bare-handed grip on a conductive tool. In another embodiment, an electrode is attached directly to the conductive tool, which can be held by a practitioner with a gloved hand. For all embodiments, a signal generator can automatically detect when contact with the patient is broken and ramps down the current to ensure patient comfort. This allows for the safe, effective, and simultaneous application of manual therapy and electrical stimulation.

This invention discloses a multimodal acupoint targeted stimulation and feedback rehabilitation device. The device integrates focused ultrasound, transcutaneous electrical stimulation, and thermotherapy modules to form a composite stimulation unit. It monitors the physiological response of acupoints in real time using bioimpedance spectroscopy and PPG optical sensors, and calculates the "Deqi Index" (DI) based on a weighted fusion of normalized impedance decrease rate and blood flow increase rate. It combines RGB-D visual dynamic tracking of acupoint coordinates and provides location confirmation through a wearable force feedback device. The central control unit adaptively adjusts various stimulation parameters based on the DI value, forming a closed-loop control of perception-decision-execution. This invention solves the problems of existing devices having a single stimulation modality, lacking objective feedback, and inaccurate positioning, significantly improving the accuracy, effectiveness, and intelligence level of acupoint rehabilitation therapy.

A pathway planning apparatus includes a processor configured to plan a pathway for implanting an electrode lead into a brain of a patient, wherein the planned pathway satisfies the following condition: if the electrode lead is implanted into the brain of the patient according to the pathway, the electrode lead is capable of simultaneously making contact with an anterior limb of an internal capsule and a nucleus accumbens in one hemisphere of a brain of the patient. The pathway planned by the pathway planning apparatus enables the electrode lead to simultaneously deliver the electrical stimulation to the anterior limb of the internal capsule and the nucleus accumbens such that a combined electrical stimulation therapy is achieved, which has a better effect of treating diseases such as addictive behaviors, depressive disorders, and obsessive-compulsive disorders.

This invention discloses a novel neurophotoelectrode, comprising: a chip for vertically emitting modulated laser light to an electrode structure; and an electrode structure with its tip positioned away from the chip, capable of simultaneously transmitting optical and electrical signals. Both the chip and the electrode structure utilize a flexible silicon substrate, are coupled together, and encapsulated within a flexible material. This novel neurophotoelectrode is a new brain electrode structure combining a silicon photonic waveguide (PIC) with a flexible Utah electrode. Besides transmitting and receiving neuronal electrical signals, it can achieve deeper stimulation via laser light. Furthermore, utilizing the PIC chip's MZ modulation technology, it can achieve targeted and quantitative optical signal stimulation based on feedback signals. Its flexibility reduces brain damage, while simultaneously achieving photoelectric stimulation, increasing stimulation depth, and expanding its application scope, demonstrating broad application prospects.

1. Name of the design product: electrode patch (EMS-01). 2. Use of the design product: for electrical stimulation therapy of nerves and muscles of the human body. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.

Sensing an evoked response to electrical stimulation of target tissue of a patient in conjunction with an intra-luminal electrode. The intra-luminal electrode may be implanted in a blood vessel or similar lumen proximal to the target tissue and the sensed signals and / or delivered stimulation may pass through the blood vessel. or other lumen, walls. In some examples the evoked response may be an evoked compound action potential (ECAP), which may also be evoked resonant neural activity (ERNA). The electrical stimulation may elicit a measurable response indicative of a thought pattern or neural state that would otherwise be undetectable using a non-evoked biopotential.

The invention discloses an in-vitro biological neural network accurate regulation and control method and system based on a microelectrode array, and the method comprises the steps: S1, culturing and planting neuronal cells on a microelectrode array chip, and forming an in-vitro neural network with spontaneous activity; s2, preprocessing the in-vitro neural network to enable the in-vitro neural network to enter a stable function state capable of being effectively activated; s3, recording an electrophysiological signal, sampling the structure and function connection of the neural network, and dynamically selecting an optimal stimulation site; s4, applying electrical stimulation to the selected stimulation sites according to a preset regulation and control target, collecting neural network response signals in real time, and constructing a closed-loop regulation and control loop; and S5, performing quantitative analysis on the neural network based on the multi-dimensional evaluation index to form a comprehensive evaluation result, and feeding back the comprehensive evaluation result to the step S4 to optimize a subsequent stimulation strategy. According to the method, organic unification of sensing, intelligent decision making, closed-loop intervention and multi-dimensional quantitative evaluation of a neural network structure and a function state can be realized.

The invention relates to the field of biological robots and neural engineering, and discloses an electrical stimulation control protection device for a turtle robot, which comprises a neck biocompatibility limiter, the neck biocompatibility limiter is of a sleeve structure and is composed of a rigid clamping part and a flexible limiting disc, the neck of the turtle robot penetrates through the rigid clamping part and the flexible limiting disc, and the flexible limiting disc is connected with the neck of the turtle robot. The flexible limiting disc abuts against the tortoise shell of the tortoise robot, the rigid clamping part abuts against the skull of the tortoise robot, the rigid clamping part limits head retraction of the tortoise robot, and the flexible limiting disc is used for ensuring the freedom degree of the tortoise robot in other directions. The mechanical protection, sealing performance and diversion performance of the waterproof sealing electrical stimulation sleeve module ensure the position stability of the electrode under long-term violent activity and water flow impact.

The invention, which belongs to the technical field of the medical equipment, discloses a wake-up therapy system for frequency response through auricular vagus nerve magnetoelectricity stimulation, and the system comprises an acquisition conversion module, an anomaly detection module, a spatial modeling module, an anomaly analysis module, a stimulation application module, a monitoring adjustment module, a dynamic adjustment module and an interactive display module. According to the method, accurate analysis from electroencephalogram signals to the space level can be achieved, quantitative evaluation and visual presentation of abnormal brain functions of the patient are achieved, doctors are assisted in judging the brain function state of the patient, and scientific and accurate decision support is provided for awakening therapy of coma or brain injury patients; meanwhile, the therapeutic effect can be evaluated, stimulation parameters can be dynamically adjusted, individualized awakening intervention of the patient is promoted, the nerve over-stimulation risk of the patient is reduced, the abnormal brain area of the patient is accurately positioned, and a basis is provided for precise stimulation.

The invention discloses a self-adaptive micro-current beauty method and beauty instrument based on electrophysiological index feedback, and relates to the technical field of photoelectric beauty, the method comprises the following steps: obtaining a surface electromyogram signal of a user face, extracting characteristic data of the surface electromyogram signal, and determining current intensity and current frequency of an NMES based on the characteristic data; acquiring a first feedback electric signal and a second feedback electric signal to determine the impedance value of the skin cuticle and the impedance value of the active skin layer, and determining the current intensity of the micro-current and the working time proportion of the NMES and the micro-current according to the impedance values of the skin cuticle and the active skin layer; therefore, a user face electrical stimulation signal is determined. According to the method and the device, parameters of the NMES and the micro-current can be adaptively adjusted, so that different somatosensory and beautifying effects are generated according to different skin states, and a good beautifying effect can be achieved while the somatosensory of a user is ensured.

The application discloses a kind of individualized electric stimulation signal generation system and modulation gamma oscillation's space-frequency domain adaptive otDCS intervention method, including the EEG signal data of individual, the gamma-ASSR data collected are re-referenced, filtering, artifact removal, intercept data section, extract the resonance frequency of individual gamma oscillation as otDCS's stimulation frequency using spectrum analysis, extract the instantaneous phase of individual gamma oscillation as otDCS's stimulation phase using phase estimation, and extract the key node in the brain network of individual gamma oscillation as otDCS's stimulation site using network analysis method;And according to the resonance frequency, instantaneous phase and key node of individual gamma oscillation obtained by individualized stimulation parameter extraction module, lock stimulation frequency, stimulation phase and stimulation site, generate otDCS waveform, for subsequent individual electric stimulation output.