43 results about "Electric stimulus" patented technology

The embodiment of the invention relates to the technical field of medical instruments, and discloses an electroencephalogram signal detection device, a control method, a signal processing system and a storage medium. In the electroencephalogram signal detection device, a first control unit can directly detect an electroencephalogram signal according to a first electroencephalogram signal collected by a first contact group in a signal processing unit electrically connected with the first control unit; a second contact group in the signal processing unit is controlled to apply first electrical stimulation for blocking the first electroencephalogram signal, and the first electroencephalogram signal is blocked in time; the second control module can determine the propagation change area of the first electroencephalogram signal according to the propagation change trend of the historical electroencephalogram signal in the space and the first to-be-detected area, outputs a control instruction to a second contact in the target signal processing unit corresponding to the propagation change area, and instructs the second contact to apply electrical stimulation. And blocking the first electroencephalogram signal from spreading to the spreading change area where the target signal processing unit is located in advance.

A system and method to confirm the insertion of an analyte-selective sensor comprising an array of microneedles possessing vertical extent between 200 and 2000 μm into viable tissue is disclosed herein. Mechanical insertion of an analyte-selective sensor is firstly attempted by means of an application of external force. Either during or following this routine, an electrical stimulus is applied between at least two distinct electrodes located within the said analyte-selective sensor; a resultant response is measured. This response is compared with a reference value to determine if insertion was successful. If insertion was successful, no further effort is required and the sensor can operate as intended. However, if insertion was not successful, the user can be instructed to continue to apply additional force to said sensor to achieve successful insertion or otherwise re-apply the said sensor altogether.

This utility model discloses a phototherapy patch with EMS functionality, aiming to provide a phototherapy patch with enhanced functionality, improved treatment efficiency, enhanced ease of use, and simplified operation. It includes a functional module comprising a functional plate and an adhesive plate, with a hydrogel patch adhered to the adhesive plate. The functional plate is connected to a flexible lamp plate, EMS positive and negative conductive contacts, and a magnetic male buckle. A control module includes a housing, a magnetic female buckle, and an EMS output pin, both connected to the housing. A PCB board is located inside the housing, with charging contacts and an output battery. A charging box has a storage slot and a charging slot, with a charging component connected to the charging slot. The beneficial effects of this utility model are: integrating phototherapy and electrical stimulation to enhance patch functionality; improving patch adhesion and phototherapy efficiency; achieving an integrated bipolar hydrogel patch for improved ease of use; and enabling wireless operation via magnetic attraction.

A skin treatment device is disclosed, which has a head capable of contacting a target site of a user, the head having an electrically driven cutter unit capable of cutting hair when in operation, and an action mechanism configured to apply a specific action to the target site of the user contacted by the cutter unit based on power supplied from a power source. The action mechanism includes, for example, a heating element that generates heat by flowing a direct current and / or a pair of electrodes that generate an electric stimulus.

The present invention relates to a device comprising an adhesive with electrically adjustable adhesion properties, enabling bonding, debonding, and rebonding to complex surfaces upon application of an electric stimulus. The adhesive exhibits at least two distinct adhesive states, which can be reversibly switched. This switching allows the adhesive to be used for assembling, manipulating, and moving objects. The device may be configured as an adhesive tape, such as a pressure-sensitive adhesive (PSA) tape, with the adhesive applied on one or both sides of a backing. The materials are environmentally friendly, incorporating recycled and / or biobased components to partially or fully replace ionic liquids, thereby improving biodegradability, reducing CO2 footprint, and minimizing environmental impact. The device operates with low power consumption and minimal electric wear, ensuring energy efficiency, long service life, and reliable performance. Applications include industrial automation, robotic gripping of delicate objects, and temporary fixation in electronic assembly processes.

The embodiment of the invention provides a cell guiding device, and the device comprises a receiving coil which is used for receiving a radio frequency signal transmitted by an in-vitro energy supply device; the stimulator is electrically connected with the receiving coil and is used for generating an electrical stimulation pulse according to the radio frequency signal; the electrode array is used for being arranged in the cochlea and electrically connected with the stimulator; the electrode array is used for applying the electrical stimulation pulse to hair cells in the cochlea so as to stimulate the hair cells to proliferate and differentiate. According to the technical scheme provided by the embodiment of the invention, the electrical stimulation pulse is generated according to the in-vitro radio frequency signal and is applied to the hair cells in the cochlea, so that accurate and efficient electrical stimulation on the hair cells can be realized. Meanwhile, the implanted design is adopted to directly act on the hair cells in the cochlea, so that the trauma to the body can be reduced, and the safety and comfort of treatment are improved.

The invention provides an electrical stimulation monitoring data classification method and system for wireless implantable nerve regulation, and relates to the field of data processing. When noise cleaning is performed on a first electrical stimulation monitoring signal, spectral analysis is performed on a first signal implicit representation of the first electrical stimulation monitoring signal to obtain a detail implicit representation and a global implicit representation; and integrating the detail implicit representation and the global implicit representation according to the influence variables to obtain a second signal implicit representation, because the detail influence variables and the global influence variables are obtained by training electrical stimulation monitoring signal samples, weighting the implicit representations according to the influence variables to obtain a second signal implicit representation. And detail features with higher analysis value in the electrical stimulation monitoring signal can be focused. The filtering matrix is also obtained by training according to the electrical stimulation monitoring signal sample, so that the filtering matrix can learn how to restore the error between the noise electrical stimulation monitoring signal and the de-noising electrical stimulation monitoring signal, and the de-noising quality of the electrical stimulation monitoring signal is improved.

A multi-functional system for measuring neurological functions in an animal is provided. The system includes a diagnostic measuring device including a power source. The system further includes one or more stimulators for applying an electrical stimulus to the animal and a plurality of amplifiers. A computing device is connected to the diagnostic measuring device via a connector cable, whereby data is collected after the electrical stimulus is applied to the animal and the data is sent by the connector to the computing device.

This invention relates to the field of additive manufacturing technology and provides an in-situ electrical pulse-assisted additive manufacturing 3D printing apparatus and method. The apparatus includes an additive manufacturing device and a power supply device. The additive manufacturing device contains an insulating substrate and a printing substrate for supporting the 3D printed workpiece. The insulating substrate is located at the bottom and / or side of the printing substrate. The power supply device has a pulse current module connected to a first set of electrical pulse cables. The first set of electrical pulse cables includes a first positive cable and a first negative cable, which pass through the insulating substrate and are arranged opposite to each other and respectively connected to both sides of the printing substrate. The in-situ electrical pulse-assisted additive manufacturing 3D printing apparatus and method provided by this invention achieves in-situ pulse electrical stimulation during the printing process without changing current mass-produced 3D printing equipment, which helps to eliminate defects in the 3D printed workpiece and improves the performance of the 3D printed workpiece.

The application relates to the technical field of driving assistance, and discloses a driving intervention method and system, wherein the method comprises the following steps: obtaining a driving psychological type of a driver; determining a target electric stimulation mode and target audio data based on the driving psychological type, and coupling an electric stimulation pulse corresponding to the target electric stimulation mode with audio corresponding to the target audio data when the driving psychological type is an impulsive extraversion type; and controlling an electric stimulation device to output the corresponding electric stimulation pulse to the driver according to the target electric stimulation mode, and controlling an audio device to play the corresponding audio according to the target audio data. According to the application, the differentiated electric stimulation mode and audio data are determined according to the driving psychological type of the driver, so that the intervention effect on driving emotion can be effectively improved, and when the driving psychological type is the impulsive extraversion type, the audio is coupled with the electric stimulation pulse, so that the intervention effect on driving emotion can be further improved.

The present invention relates to a device comprising an electrically modifiable adhesive (A) on an electrically conductive surface (B), such as a backing or substrate. Upon application of an electric stimulus, the device allows stain-free debonding of the adhesive tape from the conductive adherend surface (S). The debonding process leaves the adherend surface undamaged, maintains the original optical and electrical properties of the substrate, thereby, permits use on sensitive adherend surfaces.

The invention discloses a wireless photovoltaic visual cortex prosthesis system and method for total-blindness visual reconstruction, and the system comprises an external image processing unit which is used for collecting an environment image and generating a corresponding optical stimulation pattern; the near-infrared projection unit is connected with the external image processing unit and is used for converting the optical stimulation pattern into a near-infrared light stimulation sequence; the optical transparent cranial window assembly is used for transmitting the near-infrared light stimulation sequence to the visual cortex; and the flexible photovoltaic stimulation array is used for receiving the near-infrared light stimulation sequence through the optical transparent cranial window assembly and directly converting the near-infrared light stimulation sequence into an electrical stimulation signal for stimulating the primary visual cortex V1. By combining the flexible photovoltaic stimulation array with the optical transparent cranial window assembly, a wireless photoelectric link from the outside to the primary visual cortex is constructed, and a solution for reconstructing functional vision by directly stimulating the cortex without a leather-covered cable is provided for all-blind patients.

A device and method are taught for stimulating sympathetic nerves toward mitigating negative impacts to hematopoiesis. An autonomic nerve actuator and stimulator system with a graphic user interface (GUI), controller circuit which converts treatment parameters into a series of Building Block Waveforms (BBW) which are output to Current / Voltage Driver Circuitry (CDC) whose electrical stimulus (ES) outputs are coupled to one or more electrodes and / or electrode arrays positioned proximal specific nerve situations. The use of this in combination with conventional chemotherapy treatments, such as use of carboplatin, was found to significantly enhance hematopoiesis, with improvements in white and red blood cell counts, platelet concentration and hemoglobin concentration, in addition to other measurable characteristics which increased survival rates in the experimental groups tested.

The embodiment of the application discloses a low-frequency focused electric stimulation device and method, the device comprises: an ultrasonic wave emitting module, which is used for emitting three beams of ultrasonic waves to a target position, wherein the three beams of ultrasonic waves are perpendicular to each other, and are focused on a target position of a sample to be stimulated, the center frequencies of the three beams of ultrasonic waves form an arithmetic sequence, and the signal frequency difference of two beams of ultrasonic waves adjacent in frequency is equal to a preset interference frequency; a static magnetic field generating module, which is used for generating a constant static magnetic field at the target position, so that the constant static magnetic field and the three beams of ultrasonic waves generate a target low-frequency alternating current signal at the target position, wherein the magnetic field direction of the constant static magnetic field is perpendicular to the combined direction of the three beams of ultrasonic waves emitted by the ultrasonic wave emitting module. Through the technical scheme of the embodiment of the application, the effect of providing a spatially symmetric, high-resolution low-frequency induced electric field and current to induce neuron electrical activity is realized.

The invention relates to a visual image reconstruction system based on a brain-computer interface, and the system comprises an image collection and processing module which is used for collecting an external visual image, carrying out the preprocessing of the visual image, and extracting visual features; the electrical stimulation control module is used for converting the visual features into electrical stimulation instructions including electrode channel selection, current intensity, stimulation time sequence and polarity matching; the flexible electrode module is used for receiving the electrical stimulation instruction and controlling a corresponding flexible electrode to stimulate neurons to induce visual perception; and the feedback regulation module is used for monitoring the response voltage of the flexible electrode of each channel, if the impedance of the flexible electrode of any channel is monitored to be increased, the information of the flexible electrode of the corresponding channel is sent to the electrical stimulation control module, and the electrical stimulation control module automatically regulates the voltage of the corresponding flexible electrode to ensure constant current stimulation. According to the invention, the response voltage of the flexible electrode of each channel is monitored through the feedback adjustment module, constant current stimulation is ensured, and the visual experience is optimized.

The invention relates to a human body self-adaptive micro-current stimulation method and system.The electrode points of the human body self-adaptive micro-current stimulation system are arranged in an array mode on a two-dimensional structure, the corresponding electrode points are controlled to output multi-frequency micro-current detection signals to all detected areas according to a preset point scanning mode, and cell response data are collected; performing feature extraction on the cell response data, and constructing a response state model of the detected area; acquiring a macroscopic model library and a microscopic model library, performing primary comparison on the response state model and the macroscopic model library, and determining personalized stimulation parameters according to a primary comparison result; performing secondary comparison on the response state model and the microscopic model library, and determining an optimal stimulation electrode combination according to a secondary comparison result; and generating an optimal treatment scheme according to the optimal stimulation electrode combination and the personalized stimulation parameters, and performing electrical stimulation on a target stimulation part of the treatment object through an electrode stimulation module.

Systems, devices, and methods for device or bio-organism authenticity verification are provided. A method can include identifying (i) respective challenges indicating respective stimuli and (ii) a root node hash value, generating the respective stimuli, recording respective responses to the respective electrical stimuli, hashing the respective responses resulting in respective hashed responses, hashing a combination of hashed responses of the respective hashed responses resulting in a key, and comparing the key to the root node hash value.

Display systems, media, and methods. Pixels of an image former form an image. Each pixel has a first color element to propagate a first amount of a first light having a first wavelength, based on a first electrical stimulus, and a second color element to propagate a second amount of a second light having a second wavelength, based on a second electrical stimulus. A display surface presents the image across a plurality of display surface locations. A processor executes instructions to scale the first electrical stimulus of each pixel of the image former by a first light scale factor, scale the second electrical stimulus of each pixel of the image former by a second light scale factor, and apply a pixel shading map to the image former to independently adjust, for each pixel of the display, the first amount relative to the second amount.

The invention discloses a patch clamp-based regulation and control analysis method and a patch clamp-based regulation and control analysis system for electrical stimulation induced tunnel nanotube mediated cell electrical coupling, and relates to the technical field of cell biology. The patch clamp-based regulation and control analysis method for electrical stimulation induced tunnel nanotube mediated cell electrical coupling comprises the following steps: S1, sample preparation and drug intervention: adding at least one signal path inhibitor into a cell bath solution for intervention; s2, performing membrane potential imaging and data analysis; s3, applying electrical stimulation and coupling verification: applying electrical stimulation in a specific mode to one cell in the tunnel nanotube connection cell pair by using patch clamp equipment, and executing membrane potential imaging and data analysis; s4, measuring the traction force of the cells; s5, analyzing membrane potential change and traction force change; through accurate electrical stimulation and multi-parameter monitoring, the regulation and control mechanism of tunnel nanotube mediated cell electrical coupling is deeply analyzed, and an effective means is provided for research of intercellular signal transmission.

The invention discloses an anti-noise image recognition method and system, and relates to the technical field of neuromorphic calculation, image recognition and brain-like hardware control, and the system comprises an input module, a noise estimation module, a controller module, a synaptic array module, a read-out / classification module, a near-infrared erasure reset module and a one-way electric rewrite-in calibration module. The synaptic array has the characteristics of electrical stimulation one-way programming-near-infrared light erasure reset; according to the method, the noise density of an input image is calculated, and a result and confidence are obtained through initial reasoning of a synaptic array; when the noise density is larger than or equal to a preset noise density threshold value or the confidence coefficient is smaller than or equal to a preset confidence coefficient threshold value, triggering a near-infrared light erasing reset array, applying single-polarity electric pulse calibration in a dark state, and then reasoning output, a selectable grading strategy and a voting mechanism; according to the scheme, closed-loop reset calibration is formed, recognition robustness and long-term stability under medium and high noise are improved, end side energy consumption is reduced, and the method is suitable for a low-power-consumption visual recognition scene.

The present disclosure describes electrically stimulating biological systems using meshes, wherein the mesh comprises nanoscale wires and / or nanoelectronics. These may be embedded as a scaffold in biological structures, such as tissues, organoids, organs, organisms, and the like. These may be connectable to an external device to determine a property of the scaffold and / or to apply a stimulus to the biological structure. Certain embodiments are Al-driven systems designed for applications such as drug screening, stem cell therapy, or the like. In addition, some embodiments are directed to predictive models that can be used to predict and / or control the biological structure. For example, certain cells may be caused to mature more quickly, and / or the functionality of the biological structure may be enhanced or inhibited by using such models to apply suitable electrical stimuli to the biological structure, and / or portions of the biological structure.

The invention provides a near-electricity warning method and system based on a near-electricity warning device, and the method comprises the steps: arranging the near-electricity warning device and a weak current sensor array in a working region of operation equipment, and enabling the sensor array to monitor the response of the near-electricity warning device to preset near-electricity stimulation and / or environmental electromagnetic changes, generating an initial state result of the near-electricity alarm device; when the initial state result indicates normal, the near-electricity alarm device obtains the moving trajectory and attitude information of the operation equipment in real time through a positioning and / or attitude sensor arranged on the operation equipment, and then obtains the moving trajectory sequence of the position and attitude of the operation equipment; performing follow-up comparison based on the moving track sequence and a dynamic protection range, and judging whether the operation equipment enters the dynamic protection range or not; and when the high-risk operation posture is identified, generating near-electricity alarm information and an alarm response instruction control signal. According to the technical scheme, real-time monitoring and potential safety hazard prevention of the operation equipment in the operation process are achieved.

A microelectromechanical electroacoustic transducer includes: a supporting frame containing semiconductor material; a membrane of semiconductor material connected to the supporting frame along a perimeter; a piezoelectric transducer on a central portion of the membrane. The piezoelectric transducer is configured to cause a deflection at rest of the membrane from a planar configuration towards a first side of the membrane, in the absence of electrical stimuli to the piezoelectric actuator, and to cause an induced deflection of the membrane opposite to the deflection at rest towards a second side of the membrane in response to an electrical driving signal.

Systems and methods described herein relate to using silver-coated twisted-coil polymer fibers to adjust the shape of inflatable structures, such as to provide an adjustable curved projection screen. In one embodiment, a method includes providing an adjustable inflation system capable of providing an electrical stimulus to a set of fibers within an inflatable structure where the set of fibers can adjust a surface of the inflatable structure from a first state to a second state based on the electrical stimulus.

Embodiments of the present disclosure relate to adaptive electromagnetic damping for storage compartments. A magnetic closure system has a biasing device for applying a closing force to a movable member to bias the movable member toward a closed position. The electromagnet exerts a damping force opposite the closing force, the amplitude of which is based on the amplitude of the electrical stimulation. The sensor generates position information indicative of a position of the movable member. The controller applies an electrical stimulus to the electromagnet based on the position information to decelerate the movable member before the movable member reaches the closed position. The biasing device may be a permanent magnet having a first magnetic field that attenuates over a shorter distance than a second magnetic field generated by the electromagnet. The sensor may be a potentiometer or a mechanical switch. The controller may modulate the electrical stimulation based on the configurable damping profile.

The present invention provides an adhesive device in which the adhesive strength AS of the adhesive can be increased on demand from its initial state, ASi, to a bonded state, ASb, by application of one or more electric stimuli, and wherein the bonded state ASb exhibits a high adhesive strength of 2.1 N / cm or higher. The increase in adhesive strength from the initial state to the bonded state may realize a factor of ASb / ASi = 1.2 or greater, preferably 1.5 or greater, such as 2 or greater, such as 5 or greater or 10 or greater, 11.0 or greater, preferably as 13 or greater, 15 or greater for Test A of peel strength. Further disclosed is a method of increasing the adhesive strength of the adhesive device comprising the adhesive, comprising the application of one or more electric stimuli. The one or more stimuli may be applied using a controller that is operated manually by a user, or which follows a pre-defined program.

The invention provides a battery diagnosis apparatus and a battery diagnosis method. The battery diagnosis apparatus includes: a data obtaining unit configured to obtain a first target full cell curve representing a correspondence relationship between a voltage and a capacity factor of a target cell while a first electrical stimulation is applied to the target cell; and a control circuit configured to generate an estimated full cell curve based on the first target full cell curve and the overpotential curve. The control circuit determines a first set of performance factors as a primary estimate of charge / discharge performance of the target cell by applying cell diagnostic logic to the estimated full cell curve. The control circuit determines a second set of performance factors as a secondary estimate of charge / discharge performance of the target cell by applying a factor correction model to the first set of performance factors. The second performance factor group comprises an estimation result of the negative electrode participation end point of the target monomer.

When transducer arrays (i.e., arrays of electrode elements) are used to apply alternating electric fields to a subject's body, the subject may experience electrosensation. This electrosensation can be ameliorated by changing the way the voltage ramps up from zero to its peak when the AC voltage is first applied to any given transducer array, and also when the alternating electric field switches direction.

The utility model discloses a functional electrical stimulator, which comprises a charging storage box, the charging storage box comprises an upper cover and a base which are hinged with each other through a hinge shaft, and a switch gap is arranged at a butt joint seam opposite to the hinge shaft of the upper cover and the base; a plurality of placing grooves are formed in the base in pairs, each placing groove is used for placing one electrical stimulation single body, the electrical stimulation single bodies are arranged in pairs, and each pair of electrical stimulation single bodies comprises a first electrical stimulation single body and a second electrical stimulation single body which are connected through a connecting line; a charging pole head is arranged in the placement groove matched with the second electrical stimulation single body, a charging pole hole is formed in the bottom of the second electrical stimulation single body, and when the second electrical stimulation single body is placed in the placement groove, the charging pole head is inserted into the charging pole hole. In addition, the assembly mode of the electrode paste and the electrical stimulation single body is simpler and more convenient.

A battery diagnosis method includes: obtaining diagnosis target information including a target full-cell profile of a battery cell associated with a first electric stimulation; correcting the target full-cell profile to be associated with a second electric stimulation that is different from the first electric stimulation, based on a predetermined overpotential profile; applying a diagnosis logic to a corrected target full-cell profile to determine first diagnosis result information, which is a preliminary diagnosis result for a charge / discharge performance of the battery cell; and determining second diagnosis result information, which is a precise diagnosis result for the charge / discharge performance of the battery cell, based on at least one preliminary diagnosis factor included in the first diagnosis result information, using a factor correction model.