227 results about "Pulse electromagnetic field" patented technology

A pulsed electromagnetic field method of treating a soft tissue wound, wherein, in one embodiment, a patient in need of treatment for a soft tissue wound is administered a pulsed electromagnetic field (PEMF) having repetitive pulse bursts less than approximately 30 ms in duration, with a pulse burst repetition rate greater than approximately 5 Hz, the pulse bursts generated with a drive signal including pulses each having a first-polarity portion with a pulse width less than 1 ms and a second-polarity portion with a shorter pulse width, the electromagnetic field having a maximum amplitude less than approximately 4 mT and rising to its maximum amplitude during the first-polarity portion. According to another aspect of the invention, a soft tissue wound is treated by administering a pulsed electromagnetic field having substantially unipolar magnetic field pulses generated with a drive signal including a series of pulses each having a first-polarity portion with a pulse width less than 1 ms and a second-polarity portion with a longer pulse width, the electromagnetic field having a maximum amplitude less than 4 mT and rising to its maximum amplitude during the first-polarity portion.

A device for providing therapeutic treatment to a body part such as a joint to promote healing of the body part comprises a signal generator for generating a pulsed electromagnetic field based upon a selected treatment mode, a controller for storing the treatment mode and communicating the treatment mode to the signal generator, a heat source configured to provide thermal therapy to the body part, and monitoring means for monitoring the electromagnetic field generated by the electromagnetic stimulating means. The device may also include telemetry means in communication with the monitoring means for remotely accessing the controller to modify the treatment mode. The device can also be disposable.

The present invention provides a system for increasing skin rejuvenation of a region of a patient's skin comprising a pulsed electromagnetic field (PEMF) frequency generator for constantly providing electromagnetic pulses to said region of a patient's skin and a deep tissue diathermy device for constantly applying heat to said region of a patient's skin up to temperature T. The system is adapted for simultaneously applying heat and PEMF to the region of a patient's skin,—wherein application of the system increases skin rejuvenation such that the skin rejuvenation increase (SRI) is greater than the sum of the SRI provided by electromagnetic pulses increase and the SRI provided by the deep tissue diathermy device increase.

A noninvasive method and apparatus for treating living tissue with pulsed electromagnetic fields (PEMFs) having selectively reduced high-frequency signal components, with improved bioresponse provided by magnetic field amplitudes less than approximately 40 μT, and most preferably in the range of 4–10 μT. Such amplitude levels for the disclosed PEMF signal are particularly effective with a treatment duration in the range of 0.25–2 hours / day.

A non-invasive device for assisting the treatment of any kind of musculoskeletal disorder, including but not exclusive of those of joint, limb, and spine disorders, includes a brace, sleeve, flexible pad, or any combination of the three, a plurality of electrodes disposed thereon, wherein the plurality of electrodes transmit at least three electrophysical modalities, and a stimulation control unit having interactive software to establish a controlled sequence of transmission of the at least three electrophysical modalities and communicating the controlled sequence to the electrodes. The at least three electrophysical modalities are chosen from a group consisting of neuromodulating functional electrical stimulation, transcutaneous electrical nerve stimulation, pulsed electromagnetic field stimulation, and heat therapy stimulation. The stimulation control unit also provides feedback data using the electrodes for monitoring and integration with the interactive software to analyze and assess biomechanical, neuromuscular, and neurological responses to the device.

Described herein are methods of treating neurological injury and conditions, in particular neurodegenerative conditions. These treatment methods can include the steps of generating a pulsed electromagnetic field from a pulsed electromagnetic field source and applying the pulsed electromagnetic field in proximity to a target region.

A method for providing electromagnetic therapy to a patient includes placing the patient in proximity to an electromagnetic therapy apparatus. The electromagnetic therapy apparatus includes an electrical circuit for generating an electrical drive signal, a first transducer coil and a second transducer coil for generating respective electromagnetic fields in response to the drive signal, a first portion with a configuration corresponding generally with a chair seat, and a second portion with a configuration corresponding generally with a chair back. The first transducer coil is disposed within the first portion and the second transducer coil is disposed within the second portion. The method further includes stimulating the patient with a pulsed electromagnetic field from at least the first and second transducer coils. The pulsed electromagnetic field having a number of pulses, each pulse having a pulse period of ten microseconds to twenty microseconds.

The invention relates to a high-speed steel roll and a preparation method thereof by centrifugal compounding in an electromagnetic field, belonging to the technical field of preparation of the high-speed steel roll. The components of a working layer material of the high-speed steel roll are as follows (in weight percent): 1.5 to 2.5 percent of C, 4.0 to 6.0 percent of V, 4.0 to 6.0 percent of W, 1.5 to 4.5 percent of Mo, 2.0 to 4.0 percent of Cr, 0.04 to 0.18 percent of Zr, 0.001 to 0.003 percent of B, less than or equal to 0.5 percent of Si, less than or equal to 0.5 percent of Mn, and the balance of Fe and impurity elements; and in the impurity elements, the required contents of S, P and O are respectively less than 0.01 percent, less than 0.01 percent and less than 0.0010 percent. The roll is cast by adopting a centrifugal compounding method in a pulse electromagnetic field, the frequency of the pulse magnetic field is 0.1 to 10Hz, and the peak strength of a central magnetic field of a cast mold is 1 to 10T. The roll has a plurality of precipitation strengthening phases, and the applied pulse magnetic field leads the strengthening phases and matrix crystal grains to be refined effectively and leads the strengthening phases to be distributed in a dispersed manner, thus overcoming the segregation of alloy elements and greatly improving the performance of the roll.

A process for preparing a composition comprising dried microorganisms, comprising culturing one or more species of a microorganism; admixing the cultured microorganism with one or more carriers; treating the microorganism with pulsed electromagnetic fields; incubating the culture:carrier mixture for at least about 6 hours; drying the microorganism with one or more carriers; and treating the microoragnisms; wherein the microorganisms in the composition have significantly enhanced survival rate and / or shelf-life.

An energy delivery device for emitting a combination of different types of energy. The device can emit pulsed electromagnetic fields (PEMF) energy and another type of energy, including pulsed electrical energy, heat energy, vibration, percussion, etc. The combined energy can provide both healing and pain therapy as well as therapy to shallow as well as deeper tissue.

Current treatment options for Overactive Bladder and Urinary Incontinence include exercise and behavioral modifications, pharmacological therapies, surgical intervention, and neuromodulation. Although each of these treatments is used in the treatment of individuals with these conditions, each has severe limitations. Building on the limitations of existing therapies, and with the distillation of lessons learned from the field of pulsed electric stimulation, the present invention employs Low Frequency Induction Therapy for the delivery of an effective, cost efficient, noninvasive alternative to available treatment options. The device of the present application allows for consistent, user-friendly modulation of the pudendal nerve and the sacral plexus, via pulsed electromagnetic stimulation of the posterior tibial nerve, on an outpatient basis. The device has two primary components: a programmable Logic Controller (LC), which generates the required current, and a Conductive Wrap (CW), through which the current is channeled in generating the pulsed electromagnetic fields.

A method, apparatus and a system for thermally-assisted pulsed electromagnetic field stimulation for treatment of osteoarthritis are disclosed. In one embodiment, the system comprises a multi-coil applicator adapted for positioning near or around of the treated joint, a pulse generator functionally coupled to the applicator, a power supply, and a feedback loop for stabilizing the temperature of the joint. The feedback loop includes a heating element, a temperature sensor and an electronic controller for maintaining the temperature of the joint in the range of 38 to 42 degree C. At elevated temperatures the healing effect of PEMF stimulation on the cartilage is maximized and overall efficiency of the treatment is improved. To produce a high electric field, the coils of the applicator are made with a low number of turns, for example less than 5 turns, and are spatially arranged to cover the whole joint without “dead” zones.

This invention presents a new method to generate therapeutically superior Bipolar PEMFs while significantly reducing the overall power consumption allowing for the use of low-power coin cell batteries; and presents a new frequency format to be followed for long-duration exposure PEMF Therapy devices. This is accomplished using a battery powered crystal clocked microcontroller and H-Bridge to pulse an electromagnetic inductor with a storage capacitor to generate a positive pulse followed by a shorter negative pulse, followed by some period of no current flowing generating frequencies in support of mammalian Circadian Rhythms.

A method for reducing visceral body fat in humans involving the steps of a user utilizing a pulsed electromagnetic field generating device for a recommended period of time; the user then laying in an LED therapy bed with a light chamber having an LED array configured to emit multiple wavelengths of light at differing output percentages, the LED array of the LED therapy bed producing a chamber spectrum combination of at least three different light wavelengths for a preferred length of time; and the user then utilizing a vibration platform for a preferred length of time. The method may be achieved through the use of custom designed equipment and methods.

Systems, apparatus, and methods utilizing laser generating pulses of light, pulsed sound frequencies and / or pulsed electromagnetic fields (EMFs) for improving properties or functions of cells, tissues, proteins, fats, or organs in vitro, in vivo, or in situ,

Pulsed electromagnetic field (PEMF) apparatuses and methods of making and using them. In particular, described herein are two-part PEMF apparatuses that include a self-contained, lightweight, small, compact (e.g., in some variations, wearable) generator unit that is adapted to releasably and replaceably mate with an applicator unit. The generator unit typically includes a power source and a controller that generated PEMF waveforms to be applied, including the shape and timing of the PEMF waveforms. The applicator unit typically includes a radio frequency (RF) power amplifier, a loop antenna, and impedance matching circuitry for matching the impedances for the connection between the antenna loop and the RF power amplifier. Thus, the generator module may control the application of PEMF signals without requiring impedance matching between the separable generator unit and the applicator unit. The applicator unit can include a plurality of variable capacitors that can be used to tune the PEMF signals.

A method for treating a wound of an individual and for enhancing a rate of wound healing by applying, for a first period of time, a negative pressure treatment to the wound without applying a pulsed radio frequency treatment; and applying, for a second period of time subsequent to the first period time, a pulsed radio frequency energy treatment to the wound while maintaining the negative pressure treatment to enhance the rate of wound healing. The negative pressure treatment and the pulsed radio frequency energy treatment are applied concurrently for the duration of the second period of time.

The invention relates to a device for measuring internal stress of ferromagnetic material by pulse electromagnetic field. It is composed of detector, pulse electromagnetic field circuit and data acquisition and processing device, the detector part is composed of drive coil (7), heel piece (9) with one fieldpole and two measure poles and two groups of induction coil (8, 8'), weighing cell (4) is placed above the detector (5), the detector (5) is placed above the tested workpiece (6), which are clamped by jig; the pulse electromagnetic field circuit provides 1-3 Tesla strong incentive pulsed electromagnetic field for drive coil (7), the current signal in drive coil (7), the voltage signals of the two groups of drive coils (8, 8') are processed by data acquisition and processing device, then the magnetization curve and magnetic hysteresis loop of the tested workpiece (6) are obtained, after various kinds of magnetic parameters of the tested workpiece are determined, the rating curve between the internal stress and various kinds of magnetic parameters are established.

A method for treating patients with Amyotrophic Lateral Sclerosis (ALS), also known as Lou Gehrig's disease. In accordance with the method of treatment, transcranial AC pulsed electromagnetic fields (EMFs) in substantially square waveforms in particular frequency and amplitude ranges and picotesla quantities are applied to the patient's brain. EMFs are applied via a transducer array containing a plurality of flexible circular coils in an arrangement placed over the scalp of an ALS patient. The treatment method ameliorates symptoms associated with the disease state and slows the progression of the disease.

The invention provides floating agglomeration electromagnetic concentrating equipment. The lower end of a cylinder is provided with a concentrate discharging port or connected with a concentrate discharging pipe, a discharging port of a feeding pipe extends into the cylinder and is positioned on the middle upper portion in the cylinder, an output port of a micronano bubble generating device is communicated with an inner cavity of the cylinder tangentially and corresponds to the discharging port of the feeding pipe in position, an alternating magnetic field generator is positioned on the periphery of the cylinder and provides a nonuniform alternating magnetic field, and an overflow tank is positioned above the cylinder and communicated with the upper end of the cylinder. The equipment can generate a lot of micronano bubbles, especially nano bubbles, and the micronano bubbles and the alternating pulse electromagnetic field jointly act to enable magnetic or strongly-magnetic minerals and nonmagnetic or weakly-magnetic gangue minerals in material ore pulp to be in dispersion, agglomeration, re-dispersion and selective agglomeration respectively so as to enable the nonmagnetic or weakly-magnetic gangue minerals to thoroughly break away from a magnetic chain finally, so that escape of tailings is avoided effectively, and high-grade magnetic iron concentrate or titanomagnetite concentrate is obtained finally.

Methods of enhancing cell proliferation in tissue cultures and at the site of tissue defects in human or other animal subjects, comprising the steps of: (a) culturing a living tissue in a medium to form a tissue culture; (b) subjecting said tissue culture to an electromagnetic field; (c) extracting said medium from said tissue culture; and (d) administering said medium to the site of said tissue defect. Preferably, the tissue culture comprises endothelial cells. The present invention also provides compositions for the treatment of tissue defects in a human or other animal subject, comprising a safe and effective amount of a medium produced by electromagnetic stimulation of a tissue culture. Preferably, the compositions comprise a pharmaceutically acceptable carrier, such as hyaluronic acid, gelatin, collagen, cellulose ether, and osteoconductive carriers.

A pulsed electromagnetic field method of treating degenerative disc disease, wherein, in one embodiment, a patient in need of treatment for degenerative disc disease is administered a pulsed electromagnetic field (PEMF) having repetitive pulse bursts approximately 5 ms in duration, with a pulse burst repetition rate of approximately 15 Hz.