218 results about "Electrical stimulator" patented technology

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.

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.

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.

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.

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 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.

The utility model discloses a household electrical stimulator, which comprises an electrical stimulator body and a switch device, and a switch control rod capable of translating relative to the switch device is arranged on the side surface of the switch device; the charging groove is formed in the side wall of the electrical stimulator body, a charging port used for being electrically connected with the circuit board is formed in the charging groove, and the charging port is located on an extension line of the moving track of the switch control rod; a control rod clamping groove matched with the switch control rod is formed in the inner side of the sliding switch key; the charging groove is formed in the side wall of the electrical stimulator body, the first end of the sliding switch key is communicated with the charging groove and is partially overlapped with the charging groove, and when the electrical stimulator body is powered on, the first end of the sliding switch key is located in the charging groove and covers the charging port, so that a user is prevented from charging while using the electrical stimulator body; the first end of the sliding on-off key is separated from the charging groove for a user to charge.

An electrical stimulation system according to an embodiment may comprise: a catheter having a long and thin tubular shape; an electrode disposed at one end of the catheter and inserted into a target portion; an electrical stimulator for generating electrical stimulation to be applied onto the target portion by the electrode; and a control part for controlling an electrical pulse of the electrical stimulator to change the electrical stimulation applied onto the target portion, wherein the electrode applies electrical stimulation in a state where a distal end of the electrode is enlarged and fixed to a target portion.

The utility model discloses adjustable electrical stimulation exercise rehabilitation equipment, which belongs to the technical field of rehabilitation equipment and comprises a support frame and an electrical stimulator. The top of the supporting frame is rotationally connected with one end of the first supporting arm, and the other end of the first supporting arm is rotationally connected with one end of the second supporting arm. An electric push rod is rotationally mounted on the lower side of the supporting frame, and the output end of the electric push rod is rotationally connected with the other end of the second supporting arm; binding mechanisms are installed on the first supporting arm and the second supporting arm respectively, and electrical stimulation electrode slices are installed on the binding mechanisms. The electric push rod is electrically connected with the electric stimulator; the binding mechanism is provided with a connecting assembly and an adjustable combined assembly, the binding mechanism is provided with the connecting assembly, and the connecting assembly is provided with the adjustable combined assembly for adjusting the connecting assembly. By means of the mode, the linkage relation between the first supporting arm and the second supporting arm is adjusted by adjusting the connecting assembly through the adjusting type combination assembly in a matched mode, and therefore the motion trail of the arm is adjusted.

The present application discloses an electrical stimulation control system, which includes four parts: an information acquisition module, an information analysis module, an electrical stimulation control module, and a multi-channel electrical stimulator. The information acquisition module includes an image collector, an electromyographic signal collector, and a neural signal collector. The information analysis module includes an image analysis unit and an electrical signal analysis unit. The electrical stimulation control module includes an error analysis module and an adaptive algorithm controller. The information acquisition module acquires motion information such as images, electromyographic signals, and neural potential signals of the affected and healthy sides of the face. The information analysis module performs facial symmetry analysis based on the motion information and determines the symmetry coefficient between the affected and healthy sides. The electrical stimulation control module uses symmetry coefficient error analysis and iterative learning rules to control the output electrical stimulation parameters, thereby adaptively adjusting the electrical stimulation signal intensity output by the multi-channel electrical stimulator, so that the movement state of the muscles on the affected side is consistent with that on the healthy side, effectively repairing facial symmetry.

This invention describes techniques for a medical device that delivers electrical stimulation using a current or voltage regulator with an adjustable principal amplitude. An exemplary method includes: receiving user input indicating a desired current amplitude via a programmer for an electrical stimulator; and selecting a first fractional adjustment or a second fractional adjustment as a target adjustment for achieving the desired current amplitude. A neural modulation system includes: a first electrode; a second electrode; a stimulation generator configured to deliver a first stimulation pulse to the first electrode and a second stimulation pulse to the second electrode, wherein a first current amplitude of the first stimulation pulse is a first fraction of the principal amplitude and a second current amplitude of the second stimulation pulse is a second fraction of the principal amplitude; and a processor configured to: generate initial instructions for the stimulation generator to perform: (i) deliver the first analog pulse based on the first fraction of the principal amplitude, and (ii) deliver the second stimulation pulse based on the second fraction of the principal amplitude, receiving user input including the desired current amplitude. The processor determines, based on the desired current amplitude, the adjustment of the first current amplitude of the first stimulation pulse to be required, and determines a target adjustment based at least in part on a comparison of the desired current amplitude with the main amplitude, wherein the processor is further configured to: (A) determine an adjustment to at least the first fraction as the target adjustment, or (B) determine the following as the target adjustment: (i) an adjustment to the main amplitude, and (ii) an adjustment to at least the second fraction relative to the main amplitude adjustment, and, based at least in part on the target adjustment, generate adjustment instructions for the stimulation generator to deliver the first stimulation pulse with the desired current amplitude and the second stimulation pulse with approximately the same second current amplitude.

A beauty device using skin impedance measurement and ultrasonic cross-frequency according to an embodiment of the present invention comprises: an electrical stimulator including an electrode, which transmits a current to the skin of a subject in order to measure the skin impedance of the subject and care for the skin condition of the subject analyzed on the basis of the skin impedance of the subject, and an LED, which irradiates the skin of the subject with light while the current is being transmitted to the skin of the subject; and a cross-frequency ultrasonic stimulator that measures the skin impedance of the subject and is provided with an ultrasonic generator that irradiates the skin of the subject with ultrasonic waves of cross-frequency in order to care for the skin condition of the subject analyzed on the basis of the skin impedance of the subject, wherein the beauty device can apply electrical stimulation, optical stimulation, and ultrasonic stimulation to the skin of the subject.

1. Name of the product in this design: Controller for a transcutaneous acupoint electrical stimulator. 2. Purpose of this design: For controlling a transcutaneous acupoint electrical stimulation device. 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.

A lead connector system for use with an electrical nerve stimulator is described herein. An example lead connector for an electrical stimulator system includes a body, a blade, and an insert. The body includes a cable interface and defines a lead port. The blade is attached to the body. The blade has at least one angled portion. The insert is slidably connected to the body. The insert includes a handle and a chassis. The chassis defines a lead channel coaxial with the lead port, and the blade channel traverses the lead channel to receive the blade. The angled portion of the blade provides electrical contact between the cable interface and a lead inserted into the lead channel and extending through at least one of the lead ports.