82 results about "Vagus nerve stimulation" patented technology

The embodiment of the invention relates to the field of intelligent wearable equipment, in particular to intelligent ear vagus nerve regulation and control glasses and a control method, control device and regulation and control system thereof, and the method comprises the following steps: acquiring pupil dynamic characteristic parameters monitored by the intelligent ear vagus nerve regulation and control glasses; calling a trained machine learning model to analyze real-time physiological state information according to the pupil dynamic characteristic parameters; according to the real-time physiological state information obtained through analysis, generating an electrical stimulation control instruction corresponding to the real-time physiological state information; and controlling an ear vagus electrode in the intelligent ear vagus nerve regulation and control glasses to implement nerve regulation based on the electrical stimulation control instruction. According to the method, the limitation of fixed parameter output of a traditional ear vagus nerve stimulation device can be broken through, the individualization and accuracy of an ear vagus nerve stimulation scheme are improved, and the problem that the treatment effect is insufficient or discomfort is caused is solved.

The invention discloses a treatment monitoring method and system for a percutaneous ear vagus nerve stimulation device, and the method comprises the steps: carrying out the multi-source treatment situation monitoring of a target user in a treatment course, obtaining the multi-source treatment situation monitoring data, and constructing a multi-mode treatment situation feature; real-time treatment situation analysis is carried out according to the multi-mode treatment situation features, and real-time treatment situation analysis information is generated; performing dynamic state classification based on the real-time treatment situation analysis information, evaluating the treatment condition of the target user in the current treatment course, and generating a treatment regulation and control scheme to perform treatment management and control on the current treatment course when an abnormal treatment condition exists; and constructing a treatment situation prediction model, obtaining the regulated and controlled multi-mode treatment situation characteristics, generating a floating regulation and control boundary in combination with the treatment situation prediction model, and dynamically correcting the diagnosis and treatment regulation and control scheme by using the floating regulation and control boundary to ensure the curative effect and treatment safety. The treatment effect can be accurately perceived; and the treatment safety is ensured.

A vagus nerve stimulation system for stimulating a vagus nerve in a biological subject, the system including a clip configured to be attached to a tragus of the subject, the clip including opposing arms configured so that a distal end of the arms are biased towards each other and electrodes positioned proximate a distal end of the arms on opposing faces so that the electrodes are urged into engagement with opposing faces of the tragus and a signal generator electrically connected to the electrodes, the signal generator being configured to generate at least one therapy signal that is applied to the vagus nerve within the tragus via the electrodes, to thereby modulate the vagus nerve.

The invention relates to the technical field of medical instruments, in particular to a multi-mode biological feedback ear vagus nerve self-adaptive stimulation device and method.The device comprises a host, a stimulation electrode, a signal collection bracelet and an electroencephalogram collection module, and the host comprises core hardware configuration and a power management system; the signal acquisition bracelet comprises an ECG module, a PPG module, a GSR module, a six-axis acceleration sensor and the like. The ear vagus nerve stimulation parameter can be dynamically adjusted through real-time analysis of multi-mode data such as electrocardio, electroencephalogram, heart rate variability, respiration-heart rate synchronism and emotional state, personalized precise treatment is achieved, meanwhile, the wearing comfort and the durability of the device are improved, and the application range is wide. The traditional Chinese medicine composition can be used for auxiliary treatment of various diseases such as inflammatory bowel disease, epilepsy, chronic insomnia, depression, chronic pain, anxiety disorder, post-traumatic stress disorder and autonomic nerve dysfunction, and the functions of a nervous system are adjusted and the symptoms of a patient are improved by accurately stimulating the vagus nerve in the auricular concha area.

An auricular electroencephalogram (EEG) monitoring system may include an EEG recording module having a plurality of EEG sensor electrodes, configured to be coupled to a wearer's ear, and a processing unit configured to analyze EEG data recorded by the EEG recording module to detect presence or cessation of neuropsychiatric disorders of the wearer. An automatic detection-remedy system may include an auricular electroencephalogram (EEG) monitoring system and a transcutaneous auricular vagus nerve stimulation (taVNS) unit having a stimulating electrode in contact with vagus innervated auricular skin of the wearer's ear. When the presence of EEG signals suggestive of the neuropsychiatric disorder is detected by the processing unit, the processing unit is configured to immediately send signals to the taVNS unit to automatically start sending pre-determined electric stimuli to the vagus innervated auricular skin of the wearer's ear.

The invention relates to an ear walking electrical stimulator, which comprises a stimulation piece capable of being worn in an ear, and is characterized in that the stimulation piece comprises a main body, and a control module is arranged in the main body; the first electrode tip is connected to the main body, is in electric signal connection with the control module and is used for being placed at the auricular conchae position in a matched manner; the motor is fixed on the main body and is in electric signal connection with the control module; the second electrode tip is connected to the driving end of the motor, is in electric signal connection with the control module and is used for being placed in the ear hole in a matched mode. The invention further relates to a working method of the ear-walking electrical stimulator, when the stimulation piece is controlled to work, the motor is firstly controlled to work, so that the first part of the second electrode tip clings to the stimulation position in the ear hole and swings back and forth, and the cleaning work of the stimulation position in the ear hole is realized; then the motor is controlled to work to drive the second electrode tip to rotate, so that the second part of the second electrode tip rotates to cling to the stimulation position in the ear hole; and then the first electrode tip and the second electrode tip are controlled to work at the same time to carry out rosemary electrical stimulation work. According to the ear walking electrical stimulator and the working method thereof, dirt in ears can be effectively cleaned, and the vagus nerve stimulation effect is improved.

Wearable electrocardiogram (ECG) systems configured to record ECG from ears (auricular ECG systems), fingers (ear-finger or finger-finger ECG systems) or toes, comprising a processing unit configured to analyze the ECG data to detect serious cardiac arrhythmias or impending serious cardiac arrhythmia. Automatic anti-arrhythmia systems comprise one of the ECG systems and a transcutaneous auricular vagus nerve stimulation (taVNS) unit. When serious cardiac arrythmias are detected, the anti-arrhythmia systems may automatically send pre-determined electric stimuli to a vagus nerve to alleviate or stop the cardiac arrhythmias. The ECG electrodes and the stimulating electrode of the taVNS unit are located on a surface of a housing structure made of flexible elastic and adaptable material such that these electrodes will be naturally and snugly contacting the wearer's skin. These wearable ECG and anti-arrhythmia systems are suitable for easy self-installation, self-removal and daily ambulatory use.

The present application relates to the technical field of neuromodulation, and discloses a neuromodulation system and method for dual-task gated taVNS. The present application collects kinematic data and cognitive performance data of a patient performing a motor-cognitive dual task; obtains an objective maximum load paradigm according to the kinematic data and the cognitive performance data, obtains a subjective maximum load paradigm according to a subjective work load score, and combines the two to obtain a maximum intensity dual-task load paradigm; applies multiple trial dual-task training to the patient under the maximum intensity dual-task load paradigm, and in each trial, determines in real time whether to trigger transcutaneous auricular vagus nerve stimulation according to a dual-dimension gating condition, triggers to generate a stimulation signal when the cognitive correctness condition and the motor safety condition are both satisfied, and suspends the presentation of a new task during the stimulation duration. The present application realizes precise coupling of dual-task training and neuromodulation in the time dimension, and improves the timing specificity and individualization of neuromodulation.

The present application relates to the technical field of nerve stimulation, and discloses a closed-loop vagus nerve precise blocking system and method based on physiological signal feedback, comprising a physiological signal monitoring unit for acquiring physiological signals of an individual in real time; a data acquisition and analysis module connected with the physiological signal monitoring unit, for receiving and analyzing the physiological signals, judging the physiological state of the individual, and generating a feedback signal; a stimulation device unit for outputting an electric stimulation signal based on the feedback signal, so that the vagus nerve stimulation reaches a functional block state; and a closed-loop feedback unit connected with the data acquisition and analysis module and the stimulation device unit, for dynamically adjusting the stimulation parameters according to the feedback signal and controlling the electric stimulation signal of the stimulation device in real time. Through the real-time monitoring and real-time feedback mechanism, the present application realizes functional block of the vagus nerve, and ensures the accuracy, safety and individualization of the inhibition operation.

The invention relates to an audio-electric cooperation ear vagus nerve stimulation method, earphone and system based on multi-mode disease information, and belongs to the technical field of vagus nerve stimulation, and the method comprises the steps: obtaining the disease information of a user; determining a disease type based on the disease information; determining a treatment scheme based on the disease type, wherein the treatment scheme comprises stimulation parameters of the electrical stimulation module and music to be played; and playing the to-be-played music by using the earphone, and controlling the electrical stimulation module to stimulate the ear vagus nerve based on the stimulation parameters. According to the invention, two adjusting modes of music and ear vagus nerve stimulation are combined, and the synergistic effect of the two adjusting modes is brought into full play, so that the effect of more efficient and accurate emotion and cognition adjustment is achieved.

A vagus nerve stimulation system for stimulating a vagus nerve in a biological subject, the system including a clip configured to be attached to a tragus of the subject, the clip including opposing arms configured so that a distal end of the arms are biased towards each other and electrodes positioned proximate a distal end of the arms on opposing faces so that the electrodes are urged into engagement with opposing faces of the tragus and a signal generator electrically connected to the electrodes, the signal generator being configured to generate at least one therapy signal that is applied to the vagus nerve within the tragus via the electrodes, to thereby modulate the vagus nerve.

The invention relates to an ear vagus nerve stimulation system which comprises an ear vagus nerve stimulator, terminal equipment and a background server. The ear vagus nerve stimulator is in communication connection with the terminal equipment and is used for applying current stimulation to the ear vagus nerve of a user, collecting a sign signal of the user and transmitting the sign signal to the terminal equipment; the terminal equipment is in communication connection with the background server and transmits the physical sign signals to the background server, and the background server generates music recommendation information and current stimulation parameters corresponding to music according to the physical sign signals and transmits the music recommendation information and the current stimulation parameters to the terminal equipment; and the terminal device controls the ear vagus nerve stimulator to play music according to the music recommendation information, and controls the ear vagus nerve stimulator to output current stimulation according to the current stimulation parameters corresponding to the music. The ear vagus nerve stimulation system overcomes the defects that an ear vagus nerve stimulation instrument is limited in stimulation waveform, single in stimulation mode, weak in pertinence, limited in earphone main body space and the like.

The invention provides an ear vagus nerve stimulation device and system based on artificial intelligence control, and relates to the technical field of artificial intelligence and medical equipment, and the method comprises the steps: obtaining multi-source data of a corresponding tinnitus patient; preprocessing the multi-source data based on a statistical method to obtain preprocessed multi-source data; performing feature extraction on the preprocessed multi-source data based on a random forest feature selection algorithm to obtain corresponding key feature data; historical key feature data are obtained, a tinnitus prediction model and a treatment effect evaluation model are constructed based on a recurrent neural network and a long-short term memory network, and then a tinnitus prediction result and treatment effect evaluation are obtained; the tinnitus prediction model and the treatment effect evaluation model are optimized; based on the deep Q network of the reinforcement learning algorithm, according to the trained tinnitus prediction model and treatment effect evaluation model and the real-time data of the patient, a personalized treatment scheme is generated, then a stimulation parameter adjustment instruction is obtained, and the accuracy is improved.

Disclosed is apparatus for providing stimulation to an ear of a user. The apparatus has a body that is at least partly receivable into the ear canal. A plurality of electrodes are coupled to the body. The plurality of electrodes are positioned to contact surfaces of the ear. Methods and systems for applying one or more electrical pulses to an ear are also disclosed.

The invention discloses an ear vagus nerve stimulation system and ear stimulation equipment, and relates to the technical field of nerve stimulation, the ear vagus nerve stimulation system comprises a signal acquisition module, a central control module and an ear stimulation module, the signal acquisition module is used for synchronously acquiring EEG signals of F3, F4, C3, C4, O1 and O2 brain regions, and the central control module is used for synchronously acquiring EEG signals of F3, F4, C3, C4, O1 and O2 brain regions based on the EEG signals. The detection module is used for detecting whether a user enters an N2 sleep period or not by combining structure perception symbolic identification of filtering waveform characteristics, the ear stimulation module is used for responding to a sleep period identification result, and when it is detected that the user enters the N2 sleep period, an equipment starting instruction is sent out to stimulate vagus nerves in auricles and auricular conchae areas. Sleep staging can be recognized through the multi-brain-region electroencephalogram signals, it is ensured that stimulation pulses and neural oscillation rhythms are synchronous, the sleep staging accuracy is improved, auricular conchae cavity vagus nerve targeted stimulation is automatically triggered when N2-phase characteristics are recognized, and the synergistic effect of cognitive function repair and sleep quality improvement can be formed.

The invention relates to a neck vagus nerve stimulation device and a preparation method thereof. The neck vagus nerve stimulation device comprises a carrier sheet, an electrical stimulation generation module and a conductive adhesion part. The electrical stimulation generation module is used for generating electric pulses, and the conductive adhesion part is arranged on the carrier sheet and is electrically connected with the electrical stimulation generation module. Wherein the whole neck vagus nerve stimulation device is circular or approximately circular, and the conductive adhesion part is configured to be capable of adhering to the neck skin of the human body and serve as an electrode to stimulate the neck vagus nerve through the neck skin by means of the electric pulse generated by the electric stimulation generation module. Through the integrated design of the carrier sheet, the electrical stimulation generation module and the conductive adhesion part, the neck vagus nerve stimulation device is simplified into a light, thin and flexible patch which can be directly attached, and the portability, wearing comfort, use convenience and stimulation position stability of the device are greatly improved.

The invention discloses a taVNS and six-character table combined slow respiration training method, which comprises the following steps of: synchronously acquiring electrocardio and electromyographic signals of a user, analyzing heart rate variability (HRV) and respiratory electromyographic characteristics in real time, and dynamically judging a respiratory phase; parameters and target spots of ear vagus nerve stimulation (taVNS) are adjusted in a self-adaptive mode based on a breathing phase-target region mapping table, and closed-loop control is formed in combination with six-character table breathing training. The defects that a traditional open-loop taVNS system is fixed in stimulation parameter and poor in adaptability are overcome.

The invention provides an ear vagus nerve precise stimulation method and system, and relates to the technical field of biomedicine. According to the specific technical scheme, before stimulation is started, a sensor is controlled to collect a physiological signal reflecting vagus nerve tension of a user in a non-stimulation state, and the physiological signal serves as a baseline value; controlling the stimulating electrode to apply electric pulse stimulation according to the initial electric pulse stimulation parameter; in the stimulation process, real-time physiological signals sent by the sensor are received; wherein the sensor collects the real-time physiological signals according to a preset time interval; calculating a fluctuation value of the real-time physiological signal and a baseline value at the current acquisition time point; when it is detected that the fluctuation value meets a preset stimulation requirement, current electric pulse stimulation parameters of the electrode are maintained; when it is detected that the fluctuation value does not meet the preset stimulation requirement, the current electric pulse stimulation parameter of the electrode is adjusted according to a preset adjustment method; and when the fluctuation value meets an abnormal condition, controlling the electrode to stop stimulation.

The present application relates to the technical field of pattern recognition, and particularly relates to a concha vagus nerve stimulation device and a pattern recognition method for output waveforms of the device, and specifically as follows: real-time collection of current waveform data output by the concha vagus nerve stimulation device; artificial labeling of original current waveform data; generation of reference current by the concha vagus nerve stimulation device according to hardware parameter configuration; generation of inertia component base matrix by a simulator guided by physical characteristics on the original current waveform data; construction of a pattern recognition model, input of original current waveform data in the data set into the pattern recognition model, pattern recognition prediction; alternating training of neural networks in the model; correction of classification results of the model based on the reference current, and finally generation of corrected classification probability. The present application can effectively distinguish inherent patterns of waveforms and distortions caused by inertia, can avoid loss of important effective features in the recognition process, and can further improve the accuracy of the recognition result.

The invention relates to a vagus nerve stimulation device which comprises a handle, two stimulation assemblies and a control module, each stimulation assembly comprises a conductive massage head, the conductive massage head is rotatably arranged at one end of the handle, and the control module is arranged in the handle and electrically connected with the conductive massage head. The control module can transmit stimulation current to vagus nerves of the neck of the human body through the conductive massage head. The vagus nerve stimulation device not only has a nerve stimulation function, but also has a massage function, and effectively solves the technical problem that the vagus nerve stimulation device is single in function.

The invention discloses a self-adaptive vagus nerve stimulation control device and method and vagus nerve stimulation equipment. The device comprises a main control module, a constant current output module and a current sampling module, the main control module is used for setting stimulation parameters and generating and outputting sine-wave voltage signals according to the stimulation parameters; the constant current output module is used for outputting a constant stimulation current based on the sine-wave voltage signal; the current sampling module is used for collecting actual stimulation current in the electrical stimulation working circuit in real time and outputting a sampling signal to the main control module; the main control module is also used for determining the actual stimulation current according to the sampling signal and calculating a difference value between the target current and the actual stimulation current; and dynamically adjusting the amplitude of the sine-wave voltage signal according to the difference value until the actual stimulation current reaches the target current. By means of the scheme, effective and reliable stimulation dosage can be provided, and the stimulation effect is guaranteed.

A vagus nerve stimulation system for stimulating a vagus nerve in a biological subject, the system including a clip configured to be attached to a tragus of the subject, the clip including opposing arms configured so that a distal end of the arms are biased towards each other and electrodes positioned proximate a distal end of the arms on opposing faces so that the electrodes are urged into engagement with opposing faces of the tragus and a signal generator electrically connected to the electrodes, the signal generator being configured to generate at least one therapy signal that is applied to the vagus nerve within the tragus via the electrodes, to thereby modulate the vagus nerve.

This invention relates to a vagus nerve stimulation device, comprising a main body, a circuit board disposed inside the main body, and at least one pair of electrodes disposed in the main body and electrically connected to the circuit board. The electrodes are used to conduct stimulation current to human skin. The main body has a receiving cavity for accommodating a portable electronic device. By creating a receiving cavity in the vagus nerve stimulation device to accommodate the portable electronic device, the vagus nerve stimulation device is attached to the portable electronic device, thus integrating closely with the user's daily belongings. This eliminates the need to carry a separate device, making the vagus nerve stimulation device less likely to be lost and allowing for more natural use. Furthermore, because the vagus nerve stimulation device of this application is integrated with the portable electronic device, the vagus nerve device can be powered by the portable electronic device, thereby eliminating the need for a built-in large-capacity battery, effectively reducing the size and weight of the vagus nerve stimulation device and improving portability.

The invention relates to a vagus nerve stimulation device and a preparation method thereof. The vagus nerve stimulation device comprises a neck band and at least one stimulator unit. The neckband is configured to be suitable for being wound around the neck of a human body, and the at least one stimulator unit is connected to the neckband. The stimulator unit comprises a shell, a signal generation module arranged in the shell, and an electrode arranged on the shell and electrically connected with the signal generation module. Wherein the neckband is wound on the neck of a human body to bind the stimulator unit to the neck of the human body, so that the electrodes are tightly attached to the skin of the neck to output a stimulation signal to stimulate the vagus nerve of the neck. According to the vagus nerve stimulation device provided by the invention, the electrode can be stably and reliably fixed at a neck stimulation target position, and continuous and close contact between the electrode and the skin in the stimulation process is ensured, so that the consistency and effectiveness of the stimulation effect are ensured.

The invention discloses a percutaneous vagus nerve stimulation method and device, electronic equipment and a storage medium, and the method employs a non-invasive nerve stimulation mode, carries out the pressure induction test of a user, records the electric signal changes of the user under various pressures, can achieve the analysis and classification of the pressure state of the user, and improves the accuracy of the pressure state of the user. When the device is formally used subsequently and under pressure, an appropriate electrical stimulation mode can be determined by comparing a database, and the effect of accurately relieving pressure is achieved. Moreover, the psychological stress of the user can be continuously monitored during electrical stimulation, the electrical stimulation intensity and duration can be adjusted at any time, and higher electrical stimulation accuracy is achieved. The invention relates to the technical field of nerve regulation and mental health intervention.

The invention discloses a closed-loop binaural vagus nerve stimulation system integration and a closed-loop binaural vagus nerve stimulation method for neural rehabilitation. The system integration comprises a host, a binaural stimulation module, a rehabilitation training execution module and a myoelectricity acquisition module. The rehabilitation training execution module integrates a myoelectricity synchronous hemiplegic upper limb rehabilitation system (including a visual assistance and mirror image training subsystem), a dysphagia synchronous training system and a breathing pairing synchronous training awakening system. When the system works, a corresponding mode is started according to an evaluation result of a patient to guide the patient to execute a target training action through a healthy-side target muscle group; a myoelectricity acquisition module synchronously acquires a myoelectricity signal generated by the action; the host processes the signals, generates or adjusts electrical stimulation parameters of the vagus nerves of the two ears in real time according to the signals, and applies electrical stimulation in a target time window of action execution, thereby forming closed-loop nerve regulation and control with healthy-side myoelectricity as real-time feedback. According to the invention, accurate and personalized synchronization of multi-mode rehabilitation training and central nervous regulation and control is realized.

A system and method for determining parameters of stimulation electrical signals for vagus nerve stimulation is discussed. Initial parameters of the signals are selected to provide reliable response to stimulation in physiological measurements of a subject. One or more physiological and neurological indices are determined based on a vagus nerve response model. For a selected vagus nerve activation, the electrical parameters of the signals are varied while monitoring changes in physiological parameters and values of the indices. The electrical parameters are varied until desired response in the physiological measurements and the values of the indices is observed. The electrical parameters are then stored as preferred parameters and can be used to activate the selected vagus nerve of the subject.

A system and method are disclosed that supports closed-loop neuromodulation while avoiding stimulation artifact complications. Specifically, the system employs front-end spatial filtering, which removes stimulation artifacts in real time. It preserves the evoked neural responses by considering the differences in propagation speed and the spatial distribution and correlation of artifact signals. This technology can be used in various medical applications that benefit from operating in a closed-loop manner, such as pain management, motor function restoration, retinal prostheses, gastrointestinal implants, vagus nerve stimulation, sciatic nerve stimulation, and cortical neuromodulation.

The invention belongs to the related technical field of ear vagus nerve stimulation, and particularly relates to a percutaneous ear vagus nerve stimulation device with skin resistance monitoring, which comprises a plurality of folding and unfolding air bags and a plurality of telescopic seats, and the plurality of telescopic seats are positioned among the plurality of folding and unfolding air bags and are alternately adhered together in an arc shape. Fixing clamps are connected to the outsides of the two outermost folding and unfolding air bags, the multiple folding and unfolding air bags and the telescopic seats are alternately bonded to form an arc-shaped wearing seat, active contraction is achieved in cooperation with a communicating pipe and a suction pump, and in the air exhaust process, the folding and unfolding air bags contract inwards to drive the telescopic seats to be close to each other, so that the overall length of the wearing seat is shortened, and the bending radian is reduced; the folding and unfolding air bag is large in inside and small in outside, the telescopic base is small in inside and large in outside, the contraction amplitude of the arc-shaped inner side is enhanced, the wearing range is widened, it is ensured that the wearing base can be tightly clamped to the auricle surface, and the wearing stability and comfort are improved.