57 results about "Pulse electromagnetic field" patented technology

The invention discloses a gradient strengthening preparation method of a cast high-entropy alloy composite material based on a laser cladding preform, and belongs to the technical field of metal matrix composite material preparation. The method comprises the following steps: firstly, preparing composite powder of a high-entropy alloy and a nano ceramic reinforced phase by combining plasma-assisted ball milling with a pulse electromagnetic field; then constructing a prefabricated body with a gradient pore structure by adopting an intelligent regulation and control laser cladding technology; the prefabricated body and a congruent-component high-entropy alloy cast ingot are innovatively metallurgically bonded through a vacuum gradient infiltration process, and a large-size overall composite material is prepared; and finally, forming a gradient nanostructure on the surface layer of the material through ultrasonic-assisted laser surface reconstruction and small-deformation gradient heat treatment. According to the method, the technical problems that reinforcing phases are uneven in distribution, the interface bonding strength is low, and large-size components are difficult to prepare are successfully solved, the prepared composite material has the excellent gradient performance that the surface hardness is larger than or equal to 12 GPa, and the core hardness is larger than or equal to 8 GPa, ceramic particles are evenly distributed in a three-dimensional network shape, the 800-DEG C high-temperature oxidation resistance is improved by 30% or above compared with a traditional high-entropy alloy, and the composite material is suitable for large-size components. The method is particularly suitable for manufacturing high-performance key components in the fields of aerospace, national defense and military industry and the like.

Presently provided are a method and a system for pulse electromagnetic field (PEMF) and decompression therapy. The system has a treatment table or treatment chair configured and disposed to hold a first body part of a patient. A decompression harness is configured and disposed to hold a second body part of the patient, wherein at least one joint of the patient is disposed between the first body part and the second body part. The decompression harness is configured to transfer a tensional force on the at least one joint of the patient and at least one PEMF treatment module is disposed with the decompression harness and proximate the at least one joint of the patient.

A system is provided for use with a subject suffering from cancer that includes one or more primary or metastatic solid tumors. The system includes nanoparticles including a magnetic metallic core and a phase-change material (PCM) that surrounds the magnetic metallic core and is configured to absorb latent heat of fusion by undergoing a phase change that occurs at a phase-change temperature of 42-80 degrees C. A radiofrequency (RF) transmitter is configured to transmit energy, in a pulse train alternating between high power and low power at a pulse frequency of 1 Hz-5 Hz, to at least a portion of the subject's body, such so that the nanoparticles are heated to the phase-change temperature of the PCM, and store energy from the pulse train in the PCM as latent heat of fusion. Other embodiments are also described.

The telemedicine system includes a gateway for transmitting monitoring information including a stimulation signal and a biosignal corresponding to the stimulation signal to a cloud; and a server for extracting the stimulation signal and the biosignal from the transmitted monitoring information, providing the extracted stimulation signal and biosignal as inputs of a pre-stored artificial intelligence machine learning algorithm-based stimulation control model, regenerating the biosignal as an output of the stimulation control model into a stimulation signal to be regulated for the balance between sympathetic and parasympathetic nerves, and feeding back the regenerated stimulation signal to a personalized vagus nerve stimulation and pulse electromagnetic field treatment device.

The invention relates to the technical field of intelligent physiotherapy, and provides an intelligent fascia physiotherapy instrument based on multi-modal bioelectric pulse, which comprises a four-diagnosis data acquisition module, an AI control center and a multi-modal physiotherapy module. The four-diagnosis data acquisition module is integrated with tongue picture, pulse picture, face and voice information acquisition units and is used for acquiring digital images of tongue pictures, pulse waveform data, user face static images and voice information for acoustic analysis, wherein the pulse waveform data and the user face static images are acquired by applying variable pressure by a linear voice coil motor under different pressure levels; the AI control center processes the collected information into quantitative feature vectors, identifies traditional Chinese medicine syndromes based on a random forest classifier and generates a multi-parameter physiotherapy control instruction; the multi-mode physical therapy module integrates four physical therapy modes of a pulse electromagnetic field, intermediate frequency bioelectricity, far infrared radiation and physical therapy ultrasound for collaborative output. The technical problems that in the prior art, physical therapy equipment is single in function and lacks multi-mode cooperation, and physical therapy parameters cannot be automatically matched according to biological information are solved.

A bioelectric therapy system includes a pulsed electromagnetic field module for tissue conditioning and, in some embodiments, a grounding interface configured to electrically couple a subject to a ground reference; a bioelectric stimulation module configured to deliver a regulated, current-limited stimulation signal in a selected low-voltage range via a practitioner-assisted conduction path; and an analyzer configured to acquire measurable biophysical signals to generate assessment data representing physiological parameters. A control unit coordinates a protocol including conditioning, grounding, and stimulation, modifies at least one stimulation parameter based on assessment data or a monitored electrical characteristic, and generates a health assessment report (e.g., a color-coded assessment report) for longitudinal tracking.

The invention belongs to the technical field of cell culture, and discloses a low-frequency pulse electromagnetic field carbon dioxide constant-temperature cell culture box which comprises a culture box body, a Helmholtz coil is connected in the culture box body, and the culture box body is connected with a supporting assembly; the supporting assembly is slidably connected with a storage plate. The storage plate is located between two coils of the Helmholtz coil, and the storage plate is used for placing a culture dish; a low-frequency pulse electromagnetic field generator and an oscilloscope are integrated on the upper portion of the incubator body, and the Helmholtz coil is connected to a control panel on the upper portion of the incubator body through an internal wire. The problems that an existing cell culture box is easily infected by bacteria and fungi due to repeated cell transfer, the time for irradiating a cell culture dish by an electromagnetic field cannot be accurately controlled, and a large amount of manpower and material resources are consumed due to repeated parameter modification, cell culture dish movement and cable connection are solved.

This invention relates to the field of electromagnetic field control technology, specifically to a control system for pulsed electromagnetic fields used in the repair of peripheral nerve injuries. The system acquires the action potential voltage amplitude of each spatial node within the coil's coverage area, calculates the pre-stimulation conduction blockage coefficient based on the voltage distribution and time delay correlation of adjacent nodes, identifies blockage nodes, determines the principal normal direction of the blockage region through principal component analysis, and generates a theoretical output current value by combining the coil's projected area in that direction with the blockage coefficient. Subsequently, a low-frequency test pulse is applied, the post-stimulation conduction blockage coefficient is acquired, and a stimulation intensity correction coefficient is calculated. Finally, the corrected actual output intensity is used as the execution parameter for the next round of test pulses, forming a closed-loop adaptive control. This invention overcomes the problem that traditional uniform stimulation parameters cannot match the electrophysiological heterogeneity of nerve injury regions, achieving spatially precise and functionally adaptable electromagnetic control.

The present invention relates to a magnetic field generation unit as a core member for treatment in a plurality of medical devices using a pulsed electromagnetic field, and relates to a driving method comprising: a magnetic field generation module provided with inner and outer plates to which a ferromagnetic material is applied in order to maximize the attractive force and repulsive force between two or more coil electromagnets and the electromagnets; the magnetic field generating modules are reset in a horizontal or vertical space in a manner of being aligned with the central axis, and the magnetic force is transmitted to a long distance with low power through the attractive force or repulsive force between the magnetic field generating modules on the other side.

The present invention provides a non-drug cardio-cerebrovascular disease therapeutic apparatus. A waveform diagram of a pulse current for generating a pulse electromagnetic field includes four characteristic bands in a cycle range of 360° and reciprocates circularly: an abrupt-rising band T1 where a current intensity I(t) abruptly rises, wherein a highest value thereof is slightly lower than a maximum value Imax of an output current; a first slow-rising band T2 where the current intensity I(t) slowly rises to the maximum value Imax; an abrupt-decreasing band T3 where the current intensity I(t) abruptly decreases, wherein a minimum value Imin thereof is slightly higher than a minimum value (Imin) of the output current; and a slow-decreasing band T4 where the current intensity I(t) slowly decreases to the minimum value (Imin). The non-drug cardio-cerebrovascular disease therapeutic apparatus provided by the present invention can significantly improve and treat cardio-cerebrovascular diseases and achieve obvious effects.

The utility model relates to a multifunctional eye massage device based on a PEMF technology. The multifunctional eye massage device comprises an MCU module; the power supply module is electrically connected with the MCU module and is used for supplying power to the MCU module; the PEMF function module is electrically connected with the MCU module, is controlled by the MCU module to generate a pulse electromagnetic field through low-frequency pulse current, and is used for performing PEMF action on the action area; the hot compress function module is electrically connected with the MCU module, is controlled by the MCU module to heat and is used for performing constant-temperature hot compress on the acting area; the air pressure function module is electrically connected with the MCU module and is controlled by the MCU module to perform air pressure massage on the acting area; and the vibration function module is electrically connected with the MCU module and is controlled by the MCU module to perform vibration massage on the acting area.

This application discloses a dental appliance, comprising: an appliance body, a power module, a sliding limiting structure, and a pulsed electromagnetic field module. The appliance body is used to correct teeth in the oral cavity and includes a receiving slot and a receiving drawer detachably connected to the receiving slot. The power module is housed in the receiving drawer and is detachably attached to the appliance body along with the receiving drawer; the power module provides electrical energy. The sliding limiting structure is disposed on the appliance body in a horizontal or vertical direction and can be positioned opposite an auxiliary position of the teeth being corrected. The pulsed electromagnetic field module is disposed on the sliding limiting structure and connected to the power module to receive electrical energy provided by the power module. The pulsed electromagnetic field module slides with the sliding limiting structure to a target position opposite to the auxiliary position and generates magnetic induction intensity at the target position relative to the auxiliary position of the teeth being corrected.

The invention is suitable for the field of health physiotherapy rehabilitation, and provides an intelligent PEMF system and device with a built-in midnight-noon ebb-flow function. In the embodiment, for a user needing PEMF treatment, the physical sign or disease information of the user can be firstly collected, and then the treatment scheme of the user is generated in combination with the midnight-noon ebb-flow data and the basic data stored in the midnight-noon ebb-flow expert database module; then the PEMF energy generation and projection module generates a pulse electromagnetic field according to pulse parameters in the treatment scheme, and the PEMF intelligent control module starts the corresponding coil array according to the starting time and sequence of the coil array in the treatment scheme, so that the pulse electromagnetic field can be projected to the corresponding acupuncture point according to the treatment scheme. Due to the fact that the dynamic law of the midnight-noon ebb-flow is combined when the treatment scheme is generated, personalized PEMF treatment can be implemented in a self-adaptive mode according to the midnight-noon ebb-flow, and the rehabilitation physical therapy effect of the PEMF is enhanced.

The present invention generally relates to methods of producing magnetically induced secretomes with enhanced potency and stability, the methods comprise inter alia, employing polyacrylic acid based polymers, preferably a carbomer, to form a collapsible cell-encapsulating scaffold and dispersing donor cells within said scaffold prior to induction via a directionally-specific pulsing electromagnetic field (PEMF), or dispersing said donor cells in a "collapsed" polyacrylic acid based polymer scaffold prior to the PEMF induction. Also provided are the improved conditioned media thereof, suitable for use in medical and commercial applications.

A system is provided for use with a subject suffering from cancer that includes one or more primary or metastatic solid tumors. The system includes nanoparticles including a magnetic metallic core and a phase-change material (PCM) that surrounds the magnetic metallic core and is configured to absorb latent heat of fusion by undergoing a phase change that occurs at a phase-change temperature of 42-80 degrees C. A radiofrequency (RF) transmitter is configured to transmit energy, in a pulse train alternating between high power and low power at a pulse frequency of 1 Hz-5 Hz, to at least a portion of the subject's body, such so that the nanoparticles are heated to the phase-change temperature of the PCM, and store energy from the pulse train in the PCM as latent heat of fusion. Other embodiments are also described.

The invention discloses a composite machining system and method for tube plate connection reinforcement based on a pulse electromagnetic field, and belongs to the technical field of metal material plastic machining and high-performance component manufacturing. The method comprises the following steps: penetrating a heat transfer tube into a high-strength steel tube plate with a surfacing layer; the solenoid coil discharges to generate a pulsed magnetic field, and the heat transfer tube is driven by Lorentz force to deform at high speed and be in tight expanded connection with the surfacing layer; then welding and sealing; and finally, electromagnetic strengthening is carried out on the joint through secondary discharge of the same coil, and the microstructure and the stress state are improved. The system for implementing the method comprises a pulse power source, a solenoid coil, a tool clamp and a process integrated controller, wherein the controller is used for accurately controlling the discharge time sequence and energy. By means of electromagnetic expanded connection and reinforced combined machining, the joint surface quality and the joint performance are remarkably improved, the technology is efficient and clean, the equipment reuse rate is high, and the engineering application value is prominent.

Described herein are high-power pulsed electromagnetic field (PEMF) applicator systems. The systems can comprise a base housing including a controller configured to generate a low-power control signal and one or more applicators coupled to the base. Each applicator can include a drive circuitry comprising a generator configured to receive the low-power control signal and to produce, in the applicator, a high-power pulsed electromagnetic field signal based on the low-power control signal. The high-power pulsed electromagnetic field signal can has a power of greater than 40 W. Each applicator can further include a coil circuit configured to emit the high-power pulsed electromagnetic field signal, and an electromagnetic energy shield disposed between the drive circuitry and the coil circuit.

The application relates to the technical field of physiotherapy, in particular to a non-contact electromagnetic physiotherapy method and system for brain waves. The non-contact electromagnetic physiotherapy system for brain waves comprises an electroencephalogram signal acquisition module, an electroencephalogram signal feature data construction module and a pulse electromagnetic field physiotherapy module. The electroencephalogram signal data is mapped to a pulse phase time axis, and the electroencephalogram signal data sequence is corrected in combination with the repetition component constraint of the pulse phase label, so that the periodic interference component introduced in the process of the action of the pulse electromagnetic field can be effectively inhibited, the influence on the electroencephalogram acquisition result and the frequency band energy calculation is reduced, and the accuracy and stability of the electroencephalogram signal feature data extraction are improved. Based on the corrected electroencephalogram signal feature data, a reinforcement learning method is used to construct a driving parameter set of an electromagnetic field construction unit, and a reward value is calculated in combination with a standard curve of brain wave sleep to update a driving parameter construction network.

A system and method for pulsed electromagnetic fields (PEMF) tissue engineering enhances musculoskeletal tissue stimulation. A tissue engineering device may include both low and high pulse frequency signal generation components that may alternatively drive one or more coils to generate PEMFs. These PEMFs may be applied to bone tissue, tendons, ligaments, and / or cartilage. A prescribed treatment regimen using the tissue engineering device may include a first period of time where a first pulse frequency is used in treatment that supports tissue proliferation followed by a second period of time where a second pulse frequency (less than the first pulse frequency) is used in treatment that supports tissue differentiation. A treatment regimen may also include, with the frequency characteristic, applying a slew rate to the pulse characteristics that is on the order of around 30 to 100 Tesla per second to drive tissue differentiation in a targeted manner.

The present disclosure relates to a magnetic field treatment device for providing multiple stimulation patterns, wherein the magnetic field treatment device irradiates the human body with a pulsed electromagnetic field for the purpose of pain treatment, paralysis treatment, nerve stimulation, strengthening muscles, or the like. According to an aspect of the present invention, the magnetic field treatment device comprises: a plurality of magnetic field generation circuits; and a single magnetic field discharge unit that includes a coil unit assembly composed of a plurality of coil units. The magnetic field generation circuits are respectively connected to the plurality of coil units of the coil unit assemblies, and the coil unit assembly is configured to output at least two or more output stimulation patterns.

The present invention relates to an apparatus and method that allows for applying an electromagnetic field to a product over a period of time to change the state of the product. This change in state can accelerate an ongoing process and / or alter the quality of the experience of subsequent use of the product. The apparatus comprises a support and a container in which the product is located, wherein the support comprises one or more modules for generating a pulsed electromagnetic field (PEMF), and the support and thus the modules are connected to a control device for controlling the generation of the PEMF and are positionable relative to the product to expose the product to the generated PEMF.

The invention discloses an extrusion and cross-linking integrated manufacturing method of a cross-linked polyethylene insulated power cable, and aims to solve the problems of non-uniform removal of byproducts, interface defects and non-uniform cross-linking in a traditional dry cross-linking process. According to the method, on the basis of three-layer co-extrusion and nitrogen protection crosslinking, ultrasonic vibration on-line byproduct removal, atmospheric pressure plasma interface activation and pulse electromagnetic field auxiliary crosslinking technologies are sequentially introduced, and a collaborative closed loop is formed. The method is compatible with an existing production line, only equipment needs to be modularly added, and near-zero micropores, compact interface and uniform crosslinking are realized through precise parameter optimization. The partial discharge capacity of the finished cable is far better than that of the industrial standard, the breakdown strength is remarkably improved, the aging life is remarkably prolonged, the production efficiency is greatly improved, the qualified rate is greatly increased, and the cable is suitable for 110kV-500kV high-voltage / ultrahigh-voltage power transmission and distribution and new energy grid connection scenes.

The utility model discloses an electromagnetic pulse generator and circulating water treatment device, including energy-gathered magnetization chamber, energy excitation module and energy controller, energy-gathered magnetization chamber is tubular structure that the middle is through, energy excitation module is provided outside energy-gathered magnetization chamber, energy excitation module is distributed around energy-gathered magnetization chamber circumference, energy controller is connected with energy excitation module, energy controller is connected with energy controller. And the energy controller is electrically connected with the energy excitation module. A composite alternating electromagnetic wave technology is adopted, car washing circulating water flows through a regularly changing pulse electromagnetic field, the binding force between activated water molecules of coalescence energy and calcium, magnesium and other ions prone to scaling is enhanced, the crystal form of the ions is changed, scaling crystals not prone to adhesion and loosening are formed, and the hardness of a water body is reduced; meanwhile, under repeated impact of microorganisms in the wastewater in an electromagnetic wave energy field, cell membranes generate an electric breakdown effect, irrecoverable rupture occurs, a cell nucleus structure is damaged, microorganism death is caused, water is filtered, and the whole device has the advantages of being simple in structure, convenient to install and maintain, long in service life and the like.

The invention relates to a broadband adjustable electromagnetic field water treatment method, system and platform and a storage medium, and belongs to the field of water treatment.The method comprises the steps that water quality information is obtained and preprocessed, and the water quality information comprises an original signal and a working condition signal; sending the obtained original signal of the water quality information and the working condition signal, and pre-processing and outputting to obtain a scaling trend and working condition characteristics; generating and coupling a broadband electromagnetic field, receiving the original signal and the working condition signal of the preprocessed water quality information, and generating a continuously adjustable pulse electromagnetic field; effect monitoring and post-treatment are conducted, the water quality obtained after water molecule activation and calcium carbonate crystal form regulation and control is judged on the basis of the preset monitoring frequency, monitoring data are obtained, and the monitoring data are combined with the offline scale form and corrosion rate detection to form a verification system; and performing post-processing according to the verification system. The electromagnetic water treatment device has the effect of improving the stability of the electromagnetic water treatment effect.

The application relates to the technical field of physiotherapy, in particular to a non-contact electromagnetic physiotherapy method and system for brain waves. The non-contact electromagnetic physiotherapy system for brain waves comprises an electroencephalogram signal acquisition module, an electroencephalogram signal feature data construction module and a pulse electromagnetic field physiotherapy module. The electroencephalogram signal data is mapped to a pulse phase time axis, and the electroencephalogram signal data sequence is corrected in combination with the repetition component constraint of the pulse phase label, so that the periodic interference component introduced in the pulse electromagnetic field action process can be effectively inhibited, the influence on the electroencephalogram acquisition result and the frequency band energy calculation is reduced, and the accuracy and stability of the electroencephalogram signal feature data extraction are improved. Based on the corrected electroencephalogram signal feature data, a reinforcement learning method is used to construct a driving parameter set of an electromagnetic field construction unit, and a reward value is calculated in combination with a standard curve of brain wave sleep to update a driving parameter construction network, so that the sleep induction effect of the pulse electromagnetic field regulation is improved.

A magnetic pulse therapy applicator configured to deliver high intensity pulsed electromagnetic field (PEMF) therapy to a user's foot. The applicator allows the user to slide their foot into and out of the treatment area with minimal effort and automatically positions the foot within the core of a High-Power solenoid that generates therapeutic magnetic pulses. The solenoid is enclosed within a housing designed for efficient heat dissipation through air cooling, oil cooling, or both, enabling sustained high-power operation.

According to one embodiment of the present invention, a shoe using a pulsed electromagnetic field includes a shoe body, a sole provided below the shoe body, a battery module provided on the sole and configured to supply DC power, an electromagnetic field vibration device and a sensing module provided on the sole and connected to the battery module through a cable. While a user wearing the shoe walks, the sensing module calculates a walking pattern based on sensing data. The electromagnetic field vibration device includes a plurality of coils and a control unit disposed to overlap a narrowest portion of a middle portion of the sole. The coils are disposed at a front end portion and a rear end portion of the sole and connected to the control unit through a cable.

The invention provides a metal pipe pulse electromagnetic field assisted stress aging treatment method and a medium, and the method comprises the following steps: setting a pressing span, a supporting span and a vibration amplitude according to the specification of a metal pipe; the first supporting system and the second supporting system located at the two ends of the metal pipe are controlled to move to preset positions, and the needed supporting span is achieved; the metal pipe sequentially penetrates through the first supporting system, the pressure loading system and the second supporting system and then is connected with the driving system; the pressure loading system is located between the first supporting system and the second supporting system and applies downward pressing bending to the metal pipe to reach the vibration amplitude. The driving system drives the metal pipe to move; a pulse electromagnetic field system is arranged at the pressing bending applying position, and pulse electromagnetic field intensity parameters are set; and the driving system is controlled to move in the direction close to the second supporting system, and treatment of the whole metal pipe is completed.

Disclosed herein is a method of promoting drug uptake via TRPC1 channels using a pulsed electromagnetic field (PEMF). Also disclosed herein are methods of treating cancer using PEMF adjuvant therapy and methods of selecting cancer patients for PEMF adjuvant therapy by detecting TRPC1 levels in a cancer sample.