Abstract: A system may be configured to sense local field potentials (LFPs) from electrodes placed in epidural space near the spine of a patient. The system may be configured to analyze the sensed LFPs and determine a change in a state of the patient, such as a physiological state of the patient. The system may use such analysis to update and/or suggest parameters for delivery of electrical stimulation therapy. The system may further be configured to analyze LFPs in a frequency domain by applying a wavelet transform or other transform to sensed LFPs.

Abstract: A neuromodulation system for use with electrodes to modulate a volume of neural tissue may include a waveform generator and a controller. The waveform generator may be configured to be electrically connected to the electrodes and provide an electrical waveform through at least some of the electrodes to provide a neuromodulation therapy. The controller may be configured to use a program to control the waveform generator to deliver a neuromodulation therapy by delivering both a fast-acting sub-perception neuromodulation and a slow-acting sub-perception neuromodulation. The fast-acting neuromodulation has a wash-in transition period less than a first time duration, and the slow-acting sub-perception neuromodulation has a wash-in transition period more than a second time duration, the second time duration being longer than the first time duration.

Abstract: A device for implantation in a patient may include an electrode arrays configured to apply at least one electrical pulse to an excitable tissue, the electrode array including at least one electrode; connector contacts, each integrally wired to a particular electrode array, each configured to drive the at least one electrode of the particular electrode array integrally wired thereto with the at least one electrical pulse; a first antenna configured to: receive, from a second antenna and through electrical radiative coupling, an input signal containing electrical energy, the second antenna located outside the patient's body; and one or more circuits electrically connected to the first antenna and the connector contacts, the circuits configured to: create the one or more electrical pulses suitable for stimulation of the excitable tissue by using the electrical energy contained in the input signal; and supply the one or more electrical pulses to the connector contacts.

Abstract: A system comprising processing circuitry configured to receive a wirelessly-transmitted message from a medical device, the message indicating that the medical device detected an acute health event of the patient. In response to the message, the processing circuitry is configured to determine a location of the patient, determine an alert area based on the location of the patient, and control transmission of an alert of the acute heath event of the patient to any one or more computing devices of one or more potential responders within the alert area.

Abstract: A method, including placing a transcutaneous power transfer apparatus at a location on a surface of the skin proximate an implanted medical device, transferring power from the apparatus to the implanted medical device, and actively cooling the transcutaneous power transfer apparatus below the ambient temperature prior to and/or after commencing transfer of power from the apparatus to the implanted medical device.

Abstract: A biostimulator, such as a leadless cardiac pacemaker, including a fixation element to engage tissue and one or more backstop elements to resist back-out from the tissue, is described. The fixation element can be mounted on a housing of the biostimulator such that a helix of the fixation element extends distally to a leading point. The leading point can be located on a distal face of the helix at a position that is proximal from a center of the distal face. The backstop elements can include non-metallic filaments, such as sutures, or can include a pinch point of the biostimulator. The backstop features can grip the tissue to prevent unscrewing of the fixation element. Other embodiments are also described and claimed.

Abstract: A method for controlling charging a power source of an implantable medical device (IMD) in a patient including determining a power being delivered to a primary coil of an external charging device for recharging, determining an estimated power delivered to the IMD power source an estimated heat generated by the primary coil based on a resistance of the primary coil determined as function of at least one of a recharge frequency, a temperature of the primary coil, and a current supplied to the primary coil, calculating an estimated heat generated by the IMD by subtracting the estimated heat generated by the primary coil and the estimated power delivered stored by the rechargeable power source from the power being delivered to a primary coil; and controlling based on the heat generated by the IMD, the power being delivered by the primary coil of the external charging device.

Abstract: An automated external defibrillator (AED), comprising two pads to be placed on a patient, multiple electrode pairs provided on or between the two pads to perform multiple functions of electrical measurement and stimulation of the patient's heart, a switching circuit and a shock generation circuit connected to the multiple electrode pairs and a controller connected to the switching circuit and the shock generation circuit, wherein the controller is configured to perform spatial division multiplexing by rapidly switching between the multiple electrode pairs to automatically perform the multiple functions of electrical measurement and stimulation of the patient's heart using the multiple electrode pairs in multiple directions.

Abstract: The present disclosure relates to an implantable defibrillator which comprises at least one energy source and at least one electrical component. The implantable defibrillator further comprises means for activating a coupling between the energy source and the electrical component, based at least in part on an orientation and/or a motional state of the energy source, wherein the electrical component is a capacitor.

Abstract: In some examples, a method for controlling delivery of cardiac therapy and cardiac sensing by a medical device system including electrodes for delivering the cardiac therapy may include storing, in a memory of the medical device system, a respective value for each of a plurality of cardiac therapy and/or sensing parameters and, in association with each of a plurality of heart position states, a respective modification of at least one of the cardiac therapy and/or sensing parameters. Such a method also may include determining a current one of the plurality of heart position states of the patient, modifying the at least one cardiac therapy and/or sensing parameter value according to the modification associated with the current heart position state, and controlling the delivery of the cardiac therapy and/or cardiac sensing according to the modified at least one cardiac therapy and/or sensing parameter value.

Abstract: A wearable medical device configured to monitor a patient for cardiac arrhythmias includes a water-resistant belt, ECG sensing electrodes, and therapy electrodes discrete from the ECG sensing electrodes. At least some of the ECG sensing electrodes and therapy electrodes are disposed on one or more common adhesive backings configured to be adhesively attached to the patient's torso. The wearable medical device also includes an elongated cable, including a removable connector, and a control unit configured to be removably electrically coupled to the electrodes via the removable connector. The control unit is configured to monitor a sensed ECG of the patient, and responsive to a detection of cardiac arrhythmia, provide at least one defibrillating pulse to at least one of the therapy electrodes. The control unit is housed in a waterproof case formed from a waterproof material that is sealed to prevent ingress of water during operation in a wet environment.

Abstract: A computer-implemented method to determine locations of transducers to apply tumor treating fields to a target tissue of a subject's body, the computer-implemented method comprises: obtaining a three-dimensional model of at least a portion of the subject's body, wherein the portion of the subject's body includes the target tissue, wherein a single lung of the subject's body includes the target tissue; determining a first location on the three-dimensional model to place a first transducer, wherein the first location is a front of a thorax of the subject's body; determining a second location on the three-dimensional model to place a second transducer, wherein the second location is a back of the thorax of the subject's body, wherein the single lung of the subject is located between the first transducer and the second transducer; determining a third location on the three-dimensional model to place a third transducer, wherein the third location is on a torso of the subject's body; determining a fourth location on

Abstract: A treatment apparatus using a radiofrequency handpiece and a control method therefor, and particularly, to a treatment apparatus that automatically increases the temperature of the skin surface by periodically controlling and changing the temperature of a plurality of applicators, and a control method therefor. There is an advantage of automatically increasing the temperature of the skin surface by periodically controlling and changing the temperature of a plurality of applicators.

Abstract: A transcranial magnetic stimulation system includes a magnetic field generator configured to generate a magnetic field to be applied to a patient's head, the magnetic field generator comprising one or more magnetic induction coils, a housing for the coils, and a Phase Change Material (PCM) in contact with the coils contained in the housing. One or more imaging devices configured to permit direct visualization of the coils on the patient's head are embedded in the housing. The one or more imaging device(s) may include one or more cameras, preferably one or more visible light imaging cameras, one or more ultraviolet light imaging cameras, or one or more infrared imaging cameras.

Abstract: Disclosed herein are methods and systems for reducing pain and/or providing an analgesic effect, using the administration of ultra-low radio frequency energy (ulRFE®). In some embodiments, ulRFE® is administered using the EMulate Voyager system. In some embodiments, the system comprises a battery-operated controller, an electromagnetic coil, and a battery charger. In some of these embodiments the system utilizes a single signal. In other embodiments, the system utilizes two or more signals, each signal derived from a different molecule. In some of the other embodiments, one or more of the signals are derived from the same molecule. In some embodiments, the system utilizes three or more signals derived from three or more different molecules, e.g., three signals, four signals, five signals, or more.

Abstract: Combined methods for treating a patient using time-varying magnetic field are described. The treatment methods combine various approaches for aesthetic treatment. The methods are focused on enhancing a visual appearance of the patient.

Abstract: Disclosed is a transcranial magnetic stimulation (TMS) coil head configured to be placed over a target brain region for treatment, wherein the TMS coil head includes a housing containing one or more coil windings within the housing, wherein said one or more coil windings are configured to generate a maximum magnetic field at a common focal point, and one or more imaging devices including a single camera configured to overlie the common focal point is as to permit direct visualization of a position of the TMS coil head relative to a target position on a patient's head.

Abstract: The present invention provides a lighting fixture comprising a combination of LEDs capable of radiating in the visible wavelengths or UV wavelengths and a reflector to obtain a particular beam angle of light/radiation, features/design of which provides safe levels of UV radiation over a period of time to promote vitamin D production upon contact with exposed skin surface. The lighting fixture of the present invention is particularly suitable for indoor areas such as office spaces, where people spend anywhere from 6-10 hours without exposure to sun, which is a major source of radiation for vitamin D production in the body. The lighting fixture of the present invention addresses the issue of chronic/endemic vitamin D deficiency in the Indian population and provides a cheap, effective and safe way to obtain daily vitamin D dosage and its health benefits.

Abstract: Wirelessly powered photodynamic therapy devices are disclosed and systems and methods using such devices are also disclosed. In an embodiment, a photodynamic therapy system comprises: an implantable illumination device comprising a light source configured to emit light having a spectrum which overlaps with an absorption peak of an absorption target and a receiver antenna coupled to the light source and configured to extract power from a radiofrequency power signal incident on the implantable illumination device; and a transmitter comprising an antenna, a powering module configured to generate a drive signal which causes the antenna to generate the radiofrequency power signal, and a dosimetry module coupled to the antenna and configured to detect a radiofrequency signal backscattered from the implantable illumination device and determine an indication of the power extracted by the implantable illumination device from the radiofrequency signal backscattered from the implantable illumination device.

Abstract: Embodiments include a wearable device comprising a housing configured for coupling to an outer ear of a user; a light source disposed in the housing to direct a light output towards a region at or near the outer ear innervated by a vagus nerve branch; and at least one processor configured to transmit, to the light source, a control signal for controlling emission of the light output. Embodiments also include a method comprising transmitting, to a light source, a first control signal configured to initiate emission of a light output towards a region at or near the outer ear innervated by a vagus nerve branch; receiving biometric data from a biometric sensor while the light output is directed towards the region; determining an abnormal user response based on the received data; and responsive thereto, transmitting a second control signal to the light source to stop emission of the light output.

Abstract: A system for percutaneous photobiomodulation (PBM) that can deliver light that is configured outside the body directly to target tissue is described. The system can be used to treat both chronic and temporary conditions with PBM. The system includes a light source and a controller that includes a memory storing a predefined dosing requirement and a processor to access the memory and signal the light source to generate a light signal for PBM of a target area within a patients body based on the predefined dosing requirement. In some instances, the system also includes a port to deliver the light signal received from the light source to the target area. The light source and the port can be connected by an attachment that can transmit the light signal from the light source to the port.

Abstract: Systems and techniques may be used for radiotherapy. An example system may include a fixation device arranged to receive and immobilize a patient. The example system may include a first filter arranged to extend along a first portion (e.g., a spine or cranium) of the patient, the first filter attached to the fixation device at a first location, the first filter including a plurality of beam attenuating elements. The example system may include a fixed beam proton delivery system arranged to deliver a therapeutic proton radiation dose attenuated via the first filter to the first portion of the patient.

Abstract: Particle or hadron therapy is used on abnormal tissue using carbon atoms, protons, or helium atoms run through a linear accelerator and then directed at the target in the body. This can be used to treat, for example, atrial fibrillation, ventricular tachycardia, hypertension, seizures, gastrointestinal maladies, etc. Contouring and gating may be used to account for cardiac and respiratory motion, helping reduce collateral damage.

Abstract: Systems (500) and methods (700) for verifying a primary dose profile generated by a radiation machine using cloud-based services are disclosed. An exemplary system (500) can include a cloud (530,600) that provides cloud-based services, and a user interface (136) that enables multi-tenant access to the cloud-based services. A file service (610) can extract from a patient (501) DICOM file image information and information about a radiation machine. A dose engine service (620) can determine a secondary radiation dose profile by applying a dose algorithm (624) to the image and the radiation machine information. The applied dose algorithm (624) can be different from the dose algorithm used by the radiation machine to generate the primary dose profile. A dose evaluation service (630) can use the secondary radiation dose profile to verify accuracy of the primary dose profile based on a consistency indicator between the primary and secondary dose profiles.

Abstract: A method for dose guidance for a radiotherapy system during a radiotherapy session includes the steps of: performing substantially real-time dose reconstruction to obtain a delivered radiation dose generated by a radiotherapy beam of the radiotherapy system in at least one volume; repeatedly estimating a remaining radiation dose based on an observed and/or simulated motion of the at least one volume; repeatedly estimating a final delivered radiation dose as a sum of the delivered radiation dose and the estimated remaining radiation dose; and providing dose guidance for a remaining part of the radiotherapy session based on the estimated final delivered radiation dose. A method of continuous estimation of final delivered radiation dose during a radiotherapy session and a decision support system for a radiotherapy system are also provided.

Abstract: The disclosed calibration method includes a calibration phantom positioned on an adjustable table on the surface of a mechanical couch, with the phantom's centre at an estimated location for the iso-centre of a radio therapy treatment apparatus. The calibration phantom is then irradiated using the apparatus, and the relative location of the center of the calibration phantom and the iso-centre of the apparatus is determined by analyzing images of the irradiation of the calibration phantom. The calibration phantom is then repositioned by the mechanical couch applying an offset corresponding to the determined relative location of the centre of the calibration phantom and the iso-centre of the apparatus to the calibration phantom. Images of the relocated calibration phantom are obtained, to which the offset has been applied, and the obtained images are processed to set the co-ordinate system of a stereoscopic camera system relative to the iso-centre of the apparatus.

Abstract: The purpose is to prevent the irradiation beam from leaking between the beam irradiation port of the radiation therapy device and the patient affected area that is the target of the emitted irradiation beam, a radiation shielding jig comprising a tare filled with shielding material particles; the tare is made of a resin fabric and has a hollow three-dimensional shape with a radiation pathway portion, the shielding material particles comprising a mixture of sintered particles having a predetermined particle diameter with radiation shielding performance and resin particles having a predetermined particle diameter.

Abstract: Apparatus and methods for deactivating bronchial nerves extending along a bronchial branch of a mammalian subject to treat asthma and related conditions. An ultrasonic transducer (11) is inserted into the bronchus as, for example, by advancing the distal end of a catheter (10) bearing the transducer into the bronchial section to be treated. The ultrasonic transducer emits focused ultrasound so as to heat tissues throughout circular impact volume (13) as, for example, at least about 1 cm3 encompassing the bronchus to a temperature sufficient to inactivate nerve conduction but insufficient to cause rapid ablation or necrosis of the tissues. The treatment can be performed without locating or focusing on individual bronchial nerves.

Abstract: Apparatus and methods for deactivating bronchial nerves extending along a bronchial branch of a mammalian subject to treat asthma and related conditions. An ultrasonic transducer (11) is inserted into the bronchus as, for example, by advancing the distal end of a catheter (10) bearing the transducer into the bronchial section to be treated. The ultrasonic transducer emits focused ultrasound so as to heat tissues throughout circular impact volume (13) as, for example, at least about 1 cm3 encompassing the bronchus to a temperature sufficient to inactivate nerve conduction but insufficient to cause rapid ablation or necrosis of the tissues. The treatment can be performed without locating or focusing on individual bronchial nerves.

Abstract: A method for delivering ultrasound therapy using open-loop controls comprises inserting a distal tip of a therapeutic ultrasound applicator into a patient's urethra, the distal tip including an ultrasound transducer; acquiring ultrasound images of the patient's urethra and prostate with an ultrasound imaging probe; aligning the distal tip of the therapeutic ultrasound applicator with the patient's prostate using the ultrasound images; delivering therapeutic ultrasound energy to the patient's prostate, with the ultrasound transducer, according to a treatment plan, the treatment plan including a predetermined limited angular range for the therapeutic ultrasound energy that avoids the patient's rectum and neurovascular bundles, wherein the therapeutic ultrasound is delivered without temperature feedback data.

Abstract: A mask and a controlling method thereof are disclosed. The mask includes a fan that provides an air volume to an inside of the mask, a valve that discharges air from the mask, a pressure sensor, and a processor. The processor may control the pressure sensor to detect a maximum pressure value and a minimum pressure value inside the mask worn by a user. The processor may identify a time for a single breath based on a maximum pressure value and a minimum pressure value detected at the pressure sensor. The processor may identify a number of breaths based on the identified time for the single breath and a predetermined time. The processor may control the fan to provide an air volume set at a level corresponding to the identified number of breaths among a plurality of levels divided based on a predetermined number of breaths.

Abstract: A mask device according to an embodiment of the present invention comprises: a mask cover, which has air suction ports, and has, mounted thereon, filters for filtering air flowing in through the air suction ports; a mask body, which is coupled to the rear of the mask cover, and has an air ejection port through which air having passed through the filters passes; fan modules, which each comprise a fan and a fan motor, are disposed between the mask body and the mask cover, and allow the air having passed through the filters to flow toward the air ejection port; and a control part, which controls the number of revolutions of the fan motors, and predicts information about the lifespan of the filters so as to provide the predicted information about the lifespan of the filters to a user.

Abstract: A unique filtering face-piece respirator or mask that is constructed of filtration media capable of sub-micron particle absorption or filtration. Utilizing existing and broadly available low cost media, the mask is patterned from a single sheet of material. It is constructed in a manner that creates an adequate seal as it fits snugly to the user's face, creates structure to ensure a low volume air gap, and deploys unique vertical pleats to increase surface area in order to decrease pressure drop across the mask. Specifically, the design enables the user to inhale and exhale with a pressure drop below 0.4 inches of water at elevated breathing rates of up to 110 liters per hour. Valve design and positioning enable more than 90% of used air to be exited the mask.

Abstract: A fire protection system for retarding the spread of wildfire toward a structure includes a structure positioned on a ground surface. A tank contains a fire retardant fluid. Each of a plurality of sprinklers has a base coupled to the ground surface with a line extending outwardly away from ground surface. Each sprinkler has a nozzle coupled to a distal end of the line relative to the ground surface. The line of each sprinkler is fluidically coupled to the nozzle and the base. Each of a plurality of heat sensors is positioned proximate a respective sprinkler of the plurality of sprinklers. When one of the plurality of heat sensors detects a predetermined rate of heat, a CPU activates a pump to pump the fire retardant fluid from the tank to the base of each sprinkler.

Abstract: A fire extinguishing nozzle for a fire extinguishing system of a wheeled land vehicles includes a mounting portion, an extinguishing agent connection, a fixed nozzle section, and moveable nozzle sections. The mounting portion mounts the fire extinguishing nozzle to an outside portion of the wheeled land vehicle. The extinguishing agent connection couples the first extinguishing nozzle to an extinguishing agent reservoir. The fixed nozzle section is fixedly mounted to the mounting portion. The moveable nozzle sections form a telescopic nozzle arrangement configured to extend from the fixed nozzle section in a telescoping manner upon receiving a pressurized extinguishing agent at the extinguishing agent connection.

Abstract: A self-activating fire suppression tank containing a pressurized nitrogen foaming agent, a heat sensor and a dispersion head is installed within a livestock or travel trailer or for stationary and mobile tanks containing combustible liquids. One or more of these fire suppression tanks offer protection which consists of at least one high mounted vessel in tack room, at least one located within a hay pod or rack mounted on roof of trailer and additional fire suppression tanks mounted in livestock stalls with remote mounted dispersion heads for deployment of fire suppression nitrogen foams where a fire is detected, with the fire sensors activated to empty the tank contents to extinguish a fire. Living quarter in these trailers are also contemplated for zone coverage and protection will also be protected where included.

Abstract: An extended reality-based fire training method includes: (a) acquiring each object in a real space acquired through a stereo camera and depth information on each object; (b) reconstructing each object into a 3D mesh object based on each object and the depth information on each object; (c) simulating a virtual fire suppression training augmented reality environment after generating a virtual fire in at least one of the reconstructed 3D mesh objects, and transmitting the simulated virtual fire suppression training augmented reality environment to a head-mounted display device; and (d) operating a virtual fire extinguisher object in a virtual fire suppression training augmented reality environment according to a user manipulation of a real fire extinguisher, and extinguishing a virtual fire object by firing a virtual powder object toward the virtual fire object according to the operation of the virtual fire extinguisher object.

Abstract: A forest fire retardant composition contains water and a retardant compound that includes a halide salt, a non-halide salt, a metal oxide, a metal hydroxide, or combinations thereof. The halide salt may be magnesium chloride, calcium chloride, or both. The magnesium chloride hydrate has a formula MgCl2(H2O)x, wherein x is at least one of x=1, 2, 4, 6, 8, or 12. The calcium chloride hydrate has a formula CaCl2)(H2O)x, wherein x is at least one of 1, 2, 4, or 6. The composition may be in the form of a liquid concentrate or a final diluted product. The final diluted product is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.

Abstract: A device for use with an exerciser device, such as a reformer, which permits the adjustment of a resistance system, even when connected to a resistance source, by selectively relieving the resistance force imparted on the resistance adjustment system when changing the resistance and automatically reengaging the resistance force when exercising. A strain relief is coupled to a linkage between the resistance source and the resistance adjuster. When engaged, the strain relief selectively reduces the resistance force transmitted through the linkage to the resistance adjuster to permit movement of the resistance adjuster relative to the purchase. When disengaged the strain relief permits transmission of the resistance force through the linkage to the resistance adjuster.

Abstract: A system for simulated weight or aerobic training includes a spool configured to rotate about an axis, a handle, a cord extending from the handle to the spool and configured to wrap around the spool during operation of the system, a motor connected to the spool and configured to provide a torque to the spool, and a controller configured to operate the motor to regulate the torque provided to the spool.

Abstract: An interconnect module for use on a resistance band exercise device. The module can include one or more electronic transducers for tracking motions of the resistance band during exercises. The module can communicate wirelessly with a user's mobile phone running an app which monitors and directs usage. The module can include a pair of matable subsections. A base unit subsection can house the electronics while a band unit subsection can attach to an end of a resistance band. The subsections can quickly attach and detach from one another using a simple twisting motion. Additional second subsections can attach to different resistance bands thereby allowing adjustment of the exercise device properties by swapping out bands.

Abstract: The present invention relates to a multifunctional exercise equipment designed to allow a user to select and do various exercises, such as Pilates, fitness, and aerobic exercise, at low cost without the need for a large space at home or in the office.

Abstract: A weight bar assembly comprises a first bar, an extension bar, and a weight. The first bar comprises an elongated cylindrical shaft and a collar. A diameter of the collar of the first bar is larger than a diameter of the elongated cylindrical shaft of the first bar. The collar of the first bar divides the elongated cylindrical shaft into a first exposed portion and a second exposed portion opposite the first exposed portion. The first exposed portion of the elongated cylindrical shaft is longer than the second exposed portion of the elongated cylindrical shaft.

Abstract: An exercise belt is disclosed. An exercise belt, for example, may include an elongated belt stitched with a less padded portion and having identical rings on both ends of the belt. An exercise belt may also include a strap disposed between the belt and the padded portion that may, for example, provide additional structural support.

Abstract: A crawling simulation exercise and stretching machine having left and right horizontally oriented curved tracks suspended between a forward support frame and a rearward support frame, left and right leg supports assemblies movably mounted on the curved tracks and each having a foot platform and shin pads for supporting a user's legs, left and right arm supports assemblies pivotally mounted on the front support frame and each having a lever and handle for supporting a user's arms, a rocker arm assembly located central to the leg supports assemblies and the arm supports assemblies, and multiple linkage assemblies operably connecting the leg supports assemblies and the arm supports assemblies to the rocker arm assembly such that the leg supports assemblies and the arm supports assemblies cooperate to create a reciprocating arcing motion of a user's arms and legs to simulate a crawling exercise or stretching motion.

Abstract: Provided herein are systems and devices for detecting the position of a subject on a treadmill and adjusting the speed of tread to maintain the subject's position on the treadmill.

Abstract: The present invention is an exercise system including a bed, a plurality of horizontal members positioned about a perimeter of said bed, vertical members each having a support foot contacting a floor, said vertical members being constructed and arranged to support said horizontal members and one or more brackets having a hook formed in the system.

Abstract: A hand gripper, including a first handle and a second handle; the first handle and the second handle are in rotary connection and are able to perform opening and closing movements relative to each other; the second handle includes a rotating piece and a handle piece; the rotating piece is in a rotary connection with the first handle; the handle piece is disposed opposite to the first handle, and is movably connected to the rotating piece; therefore, a distance between the handle piece and the first handle, namely a grip distance, can be adjusted according to the size of a user's palm, thus being accommodative to the training needs of different users.

Abstract: A nonlinear radar system includes a first antenna configured to generate and emit an incident signal having a first frequency, a transponder tag attached to an existing portable object, wherein the transponder tag includes an electromagnetic nonlinear element configured to be detected by the incident signal. Upon being detected by the incident signal, the transponder tag is configured to transmit a reflected return harmonic signal having a second frequency different from the first frequency, wherein the reflected return harmonic signal is an on-off keying (OOK) signal. A second antenna is configured to receive the reflected return harmonic signal having the second frequency. The transponder tag includes a conductive layer in electrical communication with the electromagnetic nonlinear element including a Schottky diode.

Abstract: A first video of a first individual performing an exercise movement is received, wherein the first video is associated with a first guidance label. A modified version of a video is generated at least in part by passing the first video to a pose data change model. The modified version of the video is associated with a second guidance label. A guidance classifier model is trained using the modified version of the video.