258 results about "Electrical stimulator" patented technology

The invention relates to the technical field of exercise rehabilitation, and discloses a percutaneous spinal nerve electrical stimulation system and method, and the system comprises a power module which is used for converting an external alternating current into a stabilized power supply; the MCU module controls the pulse signal generation module; the pulse signal generation module is used for generating an electrical stimulation waveform; the DAC module receives the digital signal; the modulation module is used for receiving analog signals; the amplification module is used for receiving modulation waveforms; the multi-channel gating module is used for distributing stimulation current to a plurality of channels; the current detection module monitors the magnitude of current output by each channel in real time; and the ADC module performs digital conversion on the current analog signal output by the electrical stimulator. According to the invention, multi-channel and real-time modulation electrical stimulation signals can be output through modulation of two paths of stimulation signals, spinal cord sensory nerves are activated through the non-invasive epidermal electrode, amputation hand feeling is induced, the defect that electromyographic signals are interfered by the tail end of a stump in the prior art is improved, and the accuracy of an electromyographic signal decoding algorithm is also improved.

The present invention relates to un system (10) for electrical stimulation of a subject, comprising: a sensing device (1) configured to detect mechanical and thermal information and to transmit them to a control unit (2), such control unit (2) in which a first algorithm associated to a first neurophysiological model capable of reproducing the behaviour of the subject's mechanoreceptors, a second algorithm associated with a second neurophysiological model capable of reproducing the behaviour of the subject's nociceptors, and a third algorithm associated with a third neurophysiological model capable of reproducing the behaviour of the subject's thermoreceptors are stored; the control unit (2) being configured to determine generation frequencies associated to different types of electrical stimulation waves, which relate to the different pieces of information which can be detected by the sensing device (1), and to transmit them to an electrical stimulator (3); such electrical stimulator (3), configured to generate and send the stimulation waves to an electrical stimulation interface (4) configured to deliver them to a subject.

The invention provides a motion intention recognition control method and system based on electroencephalogram signals, and relates to the technical field of motion intention recognition. According to the method, multi-channel electroencephalogram and peripheral physiological or motion data are collected, alignment, preprocessing and frequency band division are carried out, and space-frequency-time joint representation is constructed in combination with cross-channel association and time sequence statistics; the motion intention state probability, intensity and confidence coefficient are output through a graph time sequence decoder, and self-adaption is achieved based on feature distribution alignment; incremental updating is executed under confidence driving, and error learning is avoided in combination with an error correction mechanism; asynchronous judgment is realized through double-threshold hysteresis gating, and stable switching from unintentional state to intentional state is ensured; and finally mapping the motion intention and the intensity into a control instruction of an exoskeleton or a functional electrical stimulator under safety supervision. According to the method, a complete closed-loop link from electroencephalogram signal input to execution mechanism output is formed, and recognition precision, robustness, adaptability and safety are considered.

The invention relates to an electrical stimulation detection system and method for evaluating rectum sensation and anal sphincter reflex functions. The system comprises a stimulation unit which comprises a program-controlled electrical stimulator and an intra-rectum stimulation electrode used for applying monopulse electrical stimulation to the rectum wall; a recording unit including an anal sphincter response recording device for capturing anal sphincter reflex activity; and the central control and data processing unit is used for coordinating electrical stimulation, reaction recording and data analysis. The method comprises the following steps: arranging a stimulating electrode and recording equipment; applying monopulse electrical stimulation to the rectum wall; synchronously recording the reflective reaction of the anal sphincter; and performing quantitative analysis on the stimulation parameters and the reaction signals to determine a reflection threshold value, an incubation period, an amplitude and duration time. According to the system and the method, objective evaluation on the integrity of the reflex arc of the anorectum and the afferent sensitivity of the rectum feeling is realized through accurately controlled electrical stimulation and objective reaction quantification, and a reference basis is provided for diagnosis and rehabilitation evaluation of related dysfunctions.

A personalized intelligent auricular point massager based on electrical stimulation disclosed by the present invention comprises a massager frame, a control module, an electrical stimulator unit, a Bluetooth module and a sensor module, the electrical stimulator unit, the Bluetooth module and the sensor module are all connected with the control module, and the Bluetooth module is in communication connection with a mobile terminal. The massager frame is manufactured through the 3D printing technology and is attached to the outline of the ear, the electrical stimulator units are embedded into key acupuncture points of the massager frame, a millimeter-level ear micro-model is constructed through the three-dimensional scanning technology, and then automatic and accurate recognition and positioning of the auricular points are achieved through the image processing and neural network technology; finally, the massager frame fitting the physiological curve of the ear is customized through the 3D printing technology, acupuncture point positioning is accurate, the personalized adaptability degree is high, the technical requirement for operators is lowered, and the treatment effect is good.

The present application relates to a kind of respiratory synchronous diaphragm nerve electric stimulator in vitro, belong to medical equipment technical field.The technical scheme of a kind of diaphragm nerve electric stimulation based on real-time breathing signal synchronization trigger is proposed for the problems of high weaning failure rate and quality of life decline caused by VIDD.The technical scheme points include: detecting inspiration negative pressure signal through nasal cavity air pressure sampling tube, control unit dynamically adjusts trigger threshold according to negative pressure signal, when negative pressure is lower than preset value and waveform slope meets the standard, trigger electric stimulation module to output biphasic pulse, pulse parameters include positive and negative alternating waveform, width 0.1ms to 1ms, frequency 10Hz to 50Hz and current intensity 5mA to 30mA, and strictly limit electric stimulation to be only output in inspiration cycle, and expiration cycle is completely blocked stimulation by hardware switch circuit.It is mainly suitable for intensive care and rehabilitation therapy scene, effectively prevent and treat VIDD, improve patient weaning success rate and quality of life.

The invention discloses an intelligent wearable digital neuromuscular stimulator for preventing deep venous thrombosis. The intelligent wearable digital neuromuscular stimulator comprises an electric stimulator, a charging bin and an electrode plate, the charging bin can charge the electrical stimulator, record working data of the electrical stimulator and upload the data to the cloud platform; the electrode plate is provided with a flexible B ultrasonic electrode module; the blood flow velocity and the flow peak value can be recorded, and then whether thrombus is formed or not is detected. According to the neuromuscular stimulator, real-time intelligent monitoring and prevention can be achieved, whether thrombus is formed or not can be detected in time, stimulation data and detection data can be uploaded to a cloud platform, a patient is reminded to see a doctor in time for treatment, the neuromuscular stimulator is small in size and suitable for various crowds, and the user experience is improved.

An example method for electrically stimulating a subject includes creating a plurality of circuits using an implantable electrode placed within a subject, transmitting a signal at a first frequency through a first circuit of the plurality of circuits, and generating a first electric field, and transmitting a signal of a second frequency through a second circuit of the plurality of circuits, and the second circuit generating a second electric field. The implantable electrode is placed in a substantially linear configuration along a same axis such that the first electric field and the second electric field are in an axially biased configuration, and the first electric field and the second electric field interfere with each other in an overlapping region to produce a beat signal.

Methods and devices for reducing ventricle filling volume are disclosed. In some embodiments, an electrical stimulator may be used to stimulate a patient's heart to reduce ventricle filling volume or even blood pressure. When the heart is stimulated in a consistent way to reduce blood pressure, the cardiovascular system may over time adapt to the stimulation and revert back to the higher blood pressure. In some embodiments, the stimulation pattern may be configured to be inconsistent such that the adaptation response of the heart is reduced or even prevented. In some embodiments, an electrical stimulator may be used to stimulate a patient's heart to cause at least a portion of an atrial contraction to occur while the atrioventricular valve is closed. Such an atrial contraction may deposit less blood into the corresponding ventricle than when the atrioventricular valve is opened throughout an atrial contraction.

The utility model provides a neuromuscular low-frequency electrical stimulator, which relates to the field of low-frequency electrical stimulators, and comprises a miniature low-frequency electrical stimulator, the outer surface of the miniature low-frequency electrical stimulator is fixedly connected with a connecting piece, the output end of the miniature low-frequency electrical stimulator is fixedly provided with a movable block, and the bottom surface of the movable block is provided with an electrode plate. The electrode plate is made of a soft material, the miniature low-frequency electrical stimulator is electrically connected with the electrode plate, and an adhesive layer is arranged on the bottom surface of the electrode plate and is used for adhering to the skin of a human body. According to the neuromuscular low-frequency electrical stimulator, the arranged electrode plate is made of a soft material, the bottom surface of the electrode plate is provided with the adhesive layer, the adhesive layer can be adhered to the skin of a human body, and the miniature low-frequency electrical stimulator acts specific low-frequency impulse current on the human body through the electrode plate, so that the purpose of muscle contraction is achieved; the miniature low-frequency electrical stimulator can be fixed to legs and arms of a human body for use, is small in size, and can meet the requirement of temporary use.

An electrical stimulator device is disclosed, comprising an inner liner, a support frame, and a front closure panel. The inner liner and support frame are connected together as a unitary element and the front closure panel is selectively attached to the unitary element to secure the electrical stimulator device about a body part. The inner liner has at least one electrode attached to an inner surface of the inner liner such that the electrodes are positionable against and in contact with a patient's body when the electrical stimulator device is worn. The at least one electrode is selectively actuated to deliver electrical stimulation.

The invention discloses a noninvasive deep time domain interference electrical stimulation system and method applied to spinal cord rehabilitation, and belongs to the technical field of medical instruments. Difference frequency current is output through the two groups of electrode pairs connected to the electrical stimulator body, so that time domain interference stimulation is generated for the spine, and difference frequency envelope is generated in human tissue. Moreover, the lead wire connected with the electrode is provided with the length scale, so that measurement can be conveniently carried out on the skin on the surface of the spine, and the placement position of the electrode on the surface of the back skin can be quickly determined. The invention further provides an electrical stimulation parameter optimization method, an optimal electrode placement scheme can be quickly generated for a target object, and the difficulty of performing spinal cord rehabilitation by using noninvasive deep time domain interference electrical stimulation clinically is greatly simplified.

Systems and methods for controlling autonomic nerve symptoms or side effects via spinal cord stimulation are discussed. An exemplary neuromodulation system includes an electrical stimulator to provide spinal cord stimulation (SCS) to a neural target, a user interface device to receive user input including autonomic nerve symptoms and affected anatomy, and a controller circuit to determine or adjust stimulation parameters based at least on the autonomic nerve symptoms and the affected anatomy. Spinal cord stimulation may be delivered according to the determined or adjusted stimulation parameters to alleviate autonomic symptoms or treat or alleviate autonomic disorders.

A physiotherapy device and a method for controlling the physiotherapy device are provided. The physiotherapy device may include an electric stimulator capable of generating electric pulses, a heating electrode sheet capable of attaching to a user's body, and a connecting component configured to connect with the heating electrode sheet via a plurality of fastening components and configured to connect with the electric stimulator via an electric pulse transmission cable. Furthermore, each fastening component may include a first fastener and a second fastener that are connected with each other. The plurality of fastening components may include a heating fastening component, a heat measuring fastening component, and at least one electric pulse fastening component, the heating fastening component transmits current to the heating electrode sheet so as to provide heat, and the heat measuring fastening component measures a temperature of the heating electrode sheet.

The invention discloses an intelligent self-adaptive acupuncture electrical stimulation system and method, and the system comprises a signal collection module which is used for obtaining a multi-modal physiological signal of a tested animal in real time; the signal processing module is connected with the signal acquisition module and is used for performing filtering and noise reduction on the acquired physiological signals and extracting time domain and frequency domain characteristics; the physiological state recognition module is connected with the signal processing module and used for inputting the features into a pre-trained state recognition model; the parameter matching and regulating module is connected with the physiological state recognition module and is used for automatically determining an electrical stimulation parameter combination according to a recognition result; the electrical stimulation execution module comprises a multi-channel programmable electrical stimulator and an electrode needle; and the feedback control module forms a closed-loop control path with the signal acquisition module and the parameter regulation and control module and is used for dynamically updating the stimulation parameters. According to the technical scheme, the physiological changes of individuals can be responded in real time, and the stimulation strategy can be adjusted according to needs.

Apparatus and methods for treating back pain are provided, in which an implantable stimulator is configured to communicate with an external control system, the implantable stimulator providing a neuromuscular electrical stimulation therapy designed to cause muscle contraction to rehabilitate the muscle, restore neural drive and restore spinal stability; the implantable stimulator further including one or more of a number of additional therapeutic modalities, including a module that provides analgesic stimulation; a module that monitors muscle performance and adjusts the muscle stimulation regime; and / or a module that provides longer term pain relief by selectively and repeatedly ablating nerve fibers. In an alternative embodiment, a standalone implantable RF ablation system is described.

The invention relates to the technical field of biomedical signal data processing, and particularly discloses a data processing method and system for a blood pressure electrical stimulator, and the method comprises the steps: synchronously collecting an electrocardiosignal, a blood pressure waveform signal and an electrical stimulation parameter signal of a testee at a moment through multiple channels; extracting an electrical stimulation switch moment sequence; constructing a standardized individual response data vector; establishing an individualized physiological response curve model by adopting a generalized linear regression method; and next stimulation parameters are adjusted through a feedback adjustment mechanism. In the prior art, an electrical stimulation method which depends on a fixed rule or empirical parameter setting, especially in an application scene in which physiological response differences exist among individuals, high-resolution physiological response data modeling cannot be realized. Due to the fact that data segmentation, low-sample modeling and predictive regulation and control can be carried out based on event driving, an individualized stimulation and response model is constructed, and the flexibility and safety of control over the blood pressure electrical stimulator are improved.

1. The name of the design product: headband for sleep apnea electrical stimulation instrument. 2. The use of the design product: headband for sleep apnea electrical stimulation instrument, providing non-invasive treatment for patients with obstructive sleep apnea syndrome. 3. The design features of the design product: the shape of the design product. 4. The picture or photo that best indicates the design features: perspective view 1.

The invention discloses an electrical stimulation device which comprises an electrode assembly and an electrical stimulator. The electrical stimulator generates an electrical stimulation signal and is coupled to the electrode assembly. The electrical stimulation signal is transmitted to the target region via the electrode assembly. The electrical stimulation signal comprises a plurality of burst signals, the burst frequency of the burst signals ranges from 0.1 Hz to 1000 Hz, each burst signal comprises a plurality of pulses, and the pulse frequency of the pulses ranges from 20 kHz to 1000 kHz. The electrical stimulation signal does not induce activation of upstream or downstream neural structures of the target region.

The invention discloses a rehabilitation system and method based on motor imagery electroencephalogram signals and eyeball tracking. The rehabilitation system comprises a signal acquisition module used for acquiring the motor imagery electroencephalogram signals and recording limb state information; the signal processing module is used for storing the collected motor imagery electroencephalogram signals, determining a motor intention through the motor imagery electroencephalogram signals and outputting a selection instruction; the eyeball tracking module is used for tracking an eyeball watching interface prompt instruction and cooperatively sending a treatment instruction with the selection instruction; and the electrical stimulator module is used for receiving the treatment instruction and outputting stimulation pulse current according to the treatment instruction. Through cooperation of real-time collection of non-invasive motor imagery signals and an eyeball tracking technology, the defects that a single motor imagery electroencephalogram signal is few in classification mode and low in real-time classification precision are overcome, rehabilitation training modes of different parts are autonomously selected according to the intention of a subject, the initiative and enthusiasm of a patient in the rehabilitation training process are improved, and the rehabilitation training efficiency is improved. The rehabilitation treatment effect of the patient is effectively improved.

The invention discloses trigeminal nerve electrical stimulation equipment and a use method thereof, and relates to the technical field of nerve treatment.The trigeminal nerve electrical stimulation equipment comprises an electrical stimulator and a remote controller, the electrical stimulator is fixedly connected with a connector, a wire is inserted into the connecting end of the connector, the connector fixes the wire, and the connector is connected with the remote controller. The outer side of the tail end of the wire is fixedly connected with a plurality of electrode slices, the outer side of the wire is fixedly connected with a plurality of anchor points located at the front ends of the electrode slices, and the remote controller is in wireless communication connection with the electrical stimulator. The device can be buried in the body of a patient for a long time, so that the effect of inhibiting the pain of the patient can be guaranteed, multiple operations for inhibiting the pain of the patient are not needed after one operation when the pain fed back by the patient still exists, and the damage to the body of the patient is reduced.

1. Name of the product in this design: Transcutaneous acupoint electrical stimulator (ear acupoint). 2. Purpose of this design: To stimulate acupoints on the ear through the skin to prevent and treat diseases. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The system includes an array of electrodes and a stimulator coupled to the array of electrodes by at least one flexible wire. The array of electrodes are disposed on a flexible carrier configured to wrap around a hypoglossal nerve of a patient. The array of electrodes include a first electrode, a second electrode, and a third electrode. The stimulator includes a control circuit configured to generate a stimulation signal. The stimulator is configured to receive a communication from an external device for selecting at least one of the first electrode, the second electrode, and the third electrode that will participate in stimulating the hypoglossal nerve of the patient.

The invention discloses a table type midnight-noon ebb-flow neuromuscular electrical stimulation system and an electrical stimulation instrument, and relates to the technical field of neurological rehabilitation, the system comprises an acupuncture point precise positioning module, which integrates image acquisition and algorithm, and outputs acupuncture point three-dimensional coordinates; the qi and blood quantification module is used for calculating qi and blood indexes by using various sensors in combination with the midnight-noon ebb- The stimulation parameter mapping module generates personalized parameters according to the time and qi and blood data; the electrical stimulation execution module accurately applies thorns and dynamically adjusts the thorns; the curative effect closed-loop optimization module monitors feedback, iteratively optimizes parameters and generates a curative effect report; precise positioning and dynamic quantification of acupuncture points are realized by integrating image acquisition, algorithms and the like, and transformation of the midnight-noon ebb-flow therapy is promoted; a corresponding relation is established to generate a personalized stimulation scheme, a curative effect closed-loop optimization mechanism is constructed, the traditional limitation is broken, the individual physiological state is fit, the treatment effect is improved, an efficient scheme is provided for neuromuscular electrical stimulation, and fusion of the traditional Chinese medicine theory and the modern technology is promoted.

The invention provides a rehabilitation assessment method and device, electronic equipment and a storage medium, and relates to the field of data processing, the rehabilitation assessment method and device are applied to a system, the system comprises VR equipment, the electronic equipment and an electrical stimulator, the VR equipment comprises display equipment and a data glove, and the method comprises the following steps: guiding a user to execute a first target task through the VR equipment, collecting first task data when the user executes the first target task, and determining a first score of the first target task according to the first task data; guiding the user to execute a second target task through the VR equipment, collecting second task data when the user executes the second target task, and determining a second score of the second target task according to the second task data; guiding the user to execute a third target task through the VR equipment, collecting third task data when the user executes the third target task, and determining a third score of the third target task according to the third task data; and determining a rehabilitation evaluation score of the user according to the first score, the second score and the third score.

1. The name of the design product: electric stimulation instrument connecting belt. 2. The use of the design product: used with the main machine and electrodes together, for the treatment of idiopathic tremor, Parkinson's tremor, and neurogenic pain by transcutaneous nerve electric stimulation. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 2 perspective view. 5. Design 2 is designated as the basic design.

The present disclosure provides a plug-and-play functional electrical stimulation system and method. The system includes a main controller connected to at least two series-connected electrical stimulators via a bus; the main controller is configured to receive and execute motion task files, and coordinate the output logic timing of the multi-channel electrical stimulators via the bus; the motion task files are composed of control parameters set based on the patient's degree of muscle damage; the control parameters include: the number of different states of a customizable state machine corresponding to the functional training task, the trigger conditions required for state transitions, and the functional electrical stimulation output parameters for each state.