Abstract: Arrangements described herein relate to a headset. The headset includes a device. The device includes a transducer configured to interact with a head of a subject. The headset further includes a manually-operated registration system configured to delineate a workspace of the transducer at the head of the subject.

Abstract: Described herein are database systems including one or more remote analytical instruments operably connected to one or more servers. The instruments can transmit rich data to the servers, and the one or more servers can compile a database of the rich data. One or more processors associated with the servers can be configured to execute a data analytics program on the database to identify a stochastic phenomenon or to process the data and present in real-time at a location of the one or more instruments comparison information about the instruments.

Abstract: Provided is a device for acquiring a magnetic resonance image signal includes a plurality of top-hat dipole antennas having a length and an operating frequency which are adjustable depending on an image region and an antenna circuit module to adjust the operating frequency. The top-hat dipole antenna includes a pair of antenna leg parts linearly arranged while being spaced apart from each other, and a pair of top-hat parts provided at opposite distal ends of the antenna leg part to increase a current at the distal end of the antenna leg part by increasing a capacitance.

Abstract: A superconducting magnet system having two-stage quenching. A primary coil assembly includes a coil section configured to be superconducting when conducting current below a first critical current. An EMI shielding coil assembly includes a coil section configured to be superconducting when conducting current below a second critical current, which is electrically coupled to a variable resistor configured to be superconducting when conducting current below a third critical current and to be non-superconducting when conducting current at or above the third critical current that is less than both the first and second critical currents. Generating a magnetic flux within the EMI shielding coil assembly causes the current conducted through the variable resistor to exceed the third critical current, quenching the variable resistor and generating heat. The EMI shielding coil assembly is disposed such that the heat from the variable resistor quenches the primary coil assembly.

Abstract: A system, method, and computer-readable medium for evaluating structural integrity of a gradient coil disposed in a magnetic resonance imaging system is provided. A sensor obtains a parameter reading of the gradient coil, wherein the parameter reading includes a back electromotive force (back EMF) measurement. The structural integrity of the gradient coil is determined as function of the back EMF measurement.

Abstract: A magnetic resonance tomography unit and a method for operating the magnetic resonance tomography unit are provided. The magnetic resonance tomography unit has a transmission interference suppression device with a transmission interference suppression control system, a sensor, and a transmission interference suppression antenna. The transmission interference suppression device is configured to acquire, with the sensor, an excitation signal of the transmitter, and determine, with the transmission interference suppression control system, a transmission interference suppression signal dependent upon the acquired excitation signal of the transmitter. The transmission interference suppression device is configured to transmit, via the transmission interference suppression antenna, the transmission interference suppression signal, so that at a predetermined location outside the magnetic resonance tomography unit, the excitation signal emitted by the transmitter via the transmitter antenna is attenuated.

Abstract: A magnetic resonance tomography system that includes a transmitter for generating an excitation signal and a body coil for emitting the excitation signal, and a method for operation of the magnetic resonance tomography system are provided. The magnetic resonance tomography system has a patient tunnel, in which the body coil is arranged. The magnetic resonance tomography system also has a first transmission interference suppression antenna that is arranged between the body coil and an opening in the patient tunnel. The first transmission interference suppression antenna is configured to provide a spatial transmission characteristic that may be compared with the body coil.

Abstract: In variants, a method for signal enhancement includes: sampling a set of measurements of a signal source; and determining a SNR-enhanced signal based on the measurements, which, in variants, can include recursively cross-correlating elements for d iterations S200; and determining a SNR-enhanced signal from the cross-correlation outputs. The method functions to determine a SNR-enhanced signal representative of the signal source. The method can optionally include determining an analyte parameter based on the SNR-enhanced signal.

Abstract: A phantom for calibration and quality assurance of an MR tomograph that comprises a phantom body with measuring aids and an intermediate bottom in at least four planes. The first plane contains only measuring fluid. The second plane contains wedge-shaped elements. The third plane contains marks of known distance. The fourth plane contains comb-shaped elements. The measuring aids of the second plane are arranged on one side of the intermediate bottom and those of the fourth plane on the other side. The marks of the third plane are arranged in the intermediate bottom. This arrangement enables reliable calibration of the MR tomograph in a few steps with only this phantom.

Abstract: A charged particle acceleration device, which eliminates the need for repeating alignment adjustment even in the case of repeating installation of the controllers, is provided, and a method for adjusting the same is provided. A charged particle acceleration device 10A includes: controllers 15,15a,15b,15c configured to control a beam trajectory 12 of charged particles that pass through a duct 11 to be inserted through the controllers 15; and a stage 20 that is supported by a frame 16 fixed to a base and reversibly moves the controllers 15 in a direction of intersecting the beam trajectory 12.

Abstract: A method of diagnosing a conducting structure includes providing the conducting structure in a magnetic field, immersing the conducting structure in a detection medium, or placing a detection medium in the vicinity of the conducting structure, exciting nuclear or electronic spins within the detection medium using a broad-band excitation pulse, receiving an NMR or ESR spectrum from the detection medium, obtaining a frequency distribution of the detection medium, and indirectly measuring internal characteristics of the conducting structure by characterizing frequency changes in the frequency distribution. Conducting structures are analyzed on the basis of changes in magnetic susceptibilities and internal electric current distributions, which may change over the course of a charging/discharging cycle, and a result of degradation and failure of the conducting structure. The conducting structure may be, for example, a battery, a capacitor, a supercapacitor, a fuel cell, or a catalyst material.

Abstract: An electronic device (10) includes an electronic component (14); at least one electrically conductive loop or winding (18) disposed around the electronic component; and an electronic controller (24) configured to: obtain (102) a magnetic field direction from a received ambient magnetic field measurement signal; determine (104) at least one magnetic field shim current based on the obtained magnetic field direction; and energize (106) the at least one electrically conductive loop or winding to flow the determined at least one magnetic field shim current.

Abstract: An electromagnetic emission shield for protecting a facility having a volume comprised of coal combustion residue. The shield includes a carbon-based material positioned inside an interior space of the coal combustion residue proximate to and interposed between a potential source of electromagnetic emission and the facility.

Abstract: A magnetic resonance imaging device may include a field generator for generating at least one magnetic gradient field. The field generator may include a first magnet and a second magnet confining an imaging volume of the magnetic resonance imaging device in two spatial directions. The first magnet and the second magnet may be arranged asymmetrically with respect to the imaging volume. The magnetic resonance imaging device may be used to perform a method for acquiring an image of a diagnostically relevant body region of a patient.

Abstract: A phantom calibration body (110) for a method for determining at least one quantitative diffusion parameter extracted for characterization of a tissue being suspicious to a tumorous modification in magnetic resonance imaging is disclosed, wherein the phantom calibration body (110) is designed for being characterized during characterization of the tissue by the magnetic resonance imaging. Herein, the phantom calibration body (110) comprises a first compartment (112) having a first cross-section, the first compartment (112) being filled with a first solution comprising a calibration substance having a first concentration; and a second compartment (114) having a second cross-section, the second cross-section having at least two different partitions with differing diameters, wherein the second compartment (114) is filled with a second solution comprising the calibration substance having a second concentration, the second concentration differing from the first concentration.

Abstract: A telescoping, anti-glare, weather-resistant, opaque, corrugated, compressible and retractable pipe shield blocks glare on smartphone or wearable action camera viewing screens. The pipe shield totally blocks glare on the display screen in real-time, moment to moment. To protect the camera from weather elements, the camera is inserted in a holding frame. The camera holding frame is mounted upon a handheld camera grip, adjacent to the distal end of the flexible pipe shield. The pipe shield may be extended or retracted via its corrugated folds. Optionally, a user-worn headband holds a cantilevered frame supporting a wearable action camera, adjacent to the distal end of the opaque, tubular, corrugated pipe shield, before the user's eyes. The user can record videos and stills during athletic or recreational activities, such as mountain climbing or skateboarding. The smartphone camera or the wearable action camera is activated by hand-controlled Bluetooth/Wi-Fi signals or via voice activation software.

Abstract: The present disclosure relates to plasma generation systems which utilize plasma for semiconductor processing. The plasma generation system disclosed herein employs a hybrid matching network. The plasma generation system includes a RF generator and a matching network. The matching network includes a first-stage to perform low-Q impedance transformations during high-speed variations in impedance. The matching network includes a second-stage to perform impedance matching for high-Q impedance transformations. The matching network further includes a sensor coupled to the first-stage and the second-stage to calculate the signals that are used to engage the first and second-stages. The matching network includes a first-stage network that is agile enough to tune each state in a modulated RF waveform and a second-stage network to tune a single state in a RF modulated waveform. The plasma generation system also includes a plasma chamber coupled to the matching network.

Abstract: Systems for a magnetic resonance antenna, an MR local coil, a magnetic resonance device, and a method of producing a magnetic resonance antenna. The magnetic resonance antenna includes at least one wire structure. The at least one wire structure is shaped such that an electrical voltage may be induced in the at least one wire structure by a magnetic resonance signal. The magnetic resonance antenna also includes at least one accommodating body in which the at least one wire structure is embedded, for example completely.

Abstract: Provided is a coil device capable of improving operability or durability thereof, being attached to a subject in a close contact state regardless of the size of a head of the subject, and obtaining a high-quality MRI image. The coil device includes at least one coil unit which has a coil element and a coil support portion which has a mechanism for attaching the coil unit to a head of a subject. The coil support portion includes a base portion, a support body which is connected to the base portion and has an elastic member, and a holder which connects the support body to the at least one coil unit and the holder has at least three contact points which are formed directly or indirectly with respect to the base portion.

Abstract: A framework for gantry alignment of a multimodality medical scanner. First image data of a non-radioactive structure is acquired by using intrinsic radiation emitted by scintillator crystals of detectors in a first gantry of the multimodality medical scanner. Second image data of the non-radioactive structure is acquired using a second gantry for another modality of the multimodality medical scanner. Image reconstruction may be performed based on the first and second image data of the non-radioactive structure to generate first and second reconstructed image volumes. A gantry alignment transformation that aligns the first and second reconstructed image volumes may then be determined.

Abstract: The present disclosure provides a system for active noise cancellation for a subject placed in a scanning bore of a medical imaging apparatus. The system may be directed to perform operations including obtaining a real-time position of each of at least one target portion of a subject; obtaining signals from one or more arrays of noise detection units surrounding the subject; and directing, based on the signals obtained from the one or more arrays of noise detection units, one or more arrays of denoising units to produce a sound to counteract noise at the real-time position of each of the at least one target portion of the subject.

Abstract: An apparatus for use in a magnetic resonance (MR) system for capturing an MR Elastography measurement of a biological lifeform may include a platform; a gel pad on a surface of the platform; and a sensor array. In some embodiments, the sensor array includes at least one ultrasound transducer, and at least one radiofrequency (RF) transmitter and receiver coil. The sensor array is at least partially embedded within the gel pad, and the gel pad is configured to provide mechanical impedance matching between the at least one ultrasound transducer and the biological lifeform. In some embodiments, a system includes the apparatus and an MR system, the MR system including an ultrasonic wave generator, an interface circuit, and a computing device. In some such embodiments, the ultrasonic wave generator is configured to generate one or more shear waves in the biological lifeform.

Abstract: A peripheral device for a magnetic resonance tomography unit. The peripheral device includes a first sensor for receiving an electromagnetic data signal from the environment of the peripheral device. The peripheral device is configured to execute signal processing in dependence on the electromagnetic data signal and a frequency of the electromagnetic data signal is greater than a Larmor frequency of the magnetic resonance tomography unit.

Abstract: An illustrative example embodiment of a wireless power transfer device includes an inductor panel and a capacitor panel adjacent the inductor panel. The capacitor panel includes a first conductive plate adjacent one side of the inductor panel, a dielectric layer adjacent the first conductive plate, and a second conductive plate adjacent the dielectric layer on an opposite side of the dielectric layer from the first conductive plate.

Abstract: An apparatus for controlling at least one gradient coil of a magnetic resonance imaging (MRI) system. The apparatus may include at least one computer hardware processor; and at least one computer-readable storage medium storing processor executable instructions that, when executed by the at least one computer hardware processor, cause the at least one computer hardware processor to perform a method. The method may include receiving information specifying at least one target pulse sequence; determining a corrected pulse sequence to control the at least one gradient coil based on the at least one target pulse sequence and a hysteresis model of induced magnetization in the MRI system caused by operation of the at least one gradient coil; and controlling, using the corrected gradient pulse sequence, the at least one gradient coil to generate one or more gradient pulses for imaging a patient.

Abstract: A magnetic resonance tomography (MRT) unit includes a field magnet, a transmitter, and a transmitting antenna. The MRT unit also has a transmission interference suppression facility with a transmission interference suppression controller, a plurality of sensors, and a transmission interference suppression antenna. The transmission interference suppression facility is configured to pick up, with the sensors, an excitation signal of the transmitter, determine, with the transmission interference suppression controller, a transmission interference suppression signal as a function of the excitation signal of the transmitter, and emit the signal via the transmission interference suppression antenna, so that at a predetermined location outside of the MRT unit, an electromagnetic alternating field of an excitation signal emitted by the transmitter via the transmitting antenna is attenuated.

Abstract: A magnetic resonance imaging (MRI) system includes a set of magnet coils for generating a magnetic field. The set of magnet coils are composed of a superconducting material. The system further includes a mechanical cryocooler in thermal contact with the set of magnet coils and operable to reduce and maintain a temperature of the set of magnet coils below a transition temperature of the superconducting material, and an energy storage device coupled to the set of magnet coils. The energy storage device may be capable of receiving and storing energy dissipated from the set of magnet coils during rapid shutdown of the set of magnet coils. The system may also include a controller coupled to the energy storage device. The controller may be programmed to recharge the set of magnet coils using the energy stored in the energy storage device during the rapid shutdown of the set of magnet coils.

Abstract: A magnetic resonance measurement apparatus according to the present invention includes a first LC circuit that forms an oscillating magnetic field that causes an object to exhibit magnetic resonance. The first LC circuit includes a parallel connection assembly including a diode. The parallel connection assembly further includes a diode connected, in parallel and in reverse direction, to the diode, or an inductor connected in parallel to the diode. In a first state in which oscillating voltage for forming the oscillating magnetic field is applied to the first LC circuit, the diode of the parallel connection assembly functions as a short-circuit such that the resonance frequency of the first LC circuit becomes a first resonance frequency.

Abstract: The present disclosure is directed to a motor for a magnetic resonance (MR) tomography room, to a patient table for the MR room, to a MR elastography device, and to a MR tomography device. A MR tomography device for a MR elastography imaging protocol is arranged within the MR tomography room, and includes a rotational drive for supplying rotational energy to power a MR elastography transducer usable during the MR elastography imaging protocol, and a support structure. The rotational drive comprises a terminal for connecting the MR elastography transducer to the rotational drive, and a bearing means configured such that the position of the terminal relative to the support structure is adaptable along a trajectory predetermined by the bearing means. The rotational drive is mounted to the support structure via the bearing means.

Abstract: Aspects relate to providing radio frequency components responsive to magnetic resonance signals. According to some aspects, a radio frequency component comprises at least one coil having a conductor arranged in a plurality of turns oriented about a region of interest to respond to corresponding magnetic resonant signal components. According to some aspects, the radio frequency component comprises a plurality of coils oriented to respond to corresponding magnetic resonant signal components. According to some aspects, an optimization is used to determine a configuration for at least one radio frequency coil.

Abstract: A RF receiver system for an MRI apparatus includes a receive coil, which exhibits a total effective coil impedance composed of the coil impedance of the coil itself and a patient impedance. An analog-to-digital converter is connected to an amplifier for converting the amplified output signal from the amplifier to a digital signal for further processing. A matching network is interconnected between the receive coil and the amplifier and includes a matching system with an adjustable impedance for matching the total effective coil impedance to the lowest noise impedance, and a noise calculation unit is connected to the analog-to-digital converter for receiving the digital output signal of the converter and is configured to calculate noise of the output signal of the analog-to-digital converter and for adjusting the adjustable impedance of the matching network in order to calibrate the matching network for every patient individually before the scanning process.

Abstract: The disclosure relates to a magnetic resonance imaging device configured to exert a high-frequency electromagnetic field on an object under test in a static magnetic field and to reconstruct an image based on magnetic resonance signals. The magnetic resonance imaging device comprises a receiving coil comprising a plurality of receiving coil elements and configured to receive magnetic resonance signals and feed the magnetic resonance signals to a receiver, and a coupler configured to be coupled with at least a first receiving coil element of the receiving coil, the coupler being directionally coupled with at least the receiver, the first receiving coil element being configured to receive a high-frequency electromagnetic wave signal through the coupler. The directional coupling between the coupler and the receiver is so regulated that the first receiving coil element transmits the high-frequency electromagnetic wave signal to the object under test to sense a physiological movement signal.

Abstract: According to some aspects, a portable magnetic resonance imaging system is provided, comprising a B0 magnet configured to produce a B0 magnetic field for an imaging region of the magnetic resonance imaging system, a noise reduction system configured to detect and suppress at least some electromagnetic noise in an operating environment of the portable magnetic resonance imaging system, and electromagnetic shielding provided to attenuate at least some of the electromagnetic noise in the operating environment of the portable magnetic resonance imaging system, the electromagnetic shielding arranged to shield a fraction of the imaging region of the portable magnetic resonance imaging system. According to some aspects, the electromagnetic shield comprises at least one electromagnetic shield structure adjustably coupled to the housing to provide electromagnetic shielding for the imaging region in an amount that can be varied.

Abstract: The invention provides for a medical imaging system (100, 300). The execution of the machine executable instructions (110) causes a processor (102) to: receive (200) multiple diffusion weighted images (112) of a subject (318), wherein the multiple diffusion weighted images each have an assigned b-value, wherein the multiple diffusion weighted images each have an assigned diffusion weighting direction, wherein for a region of interest (309) there is at least one corresponding voxel (506) in each of the multiple diffusion weighted images; construct (202) a set of equations (114) for each of the at least one corresponding voxel, wherein the set of equations is constructed from an apparent diffusion equation for the assigned diffusion weighting direction of each of the multiple diffusion weighted images; solve (204) the set of equations for each voxel for the b0 value as an optimization; and construct (206) a b0 image using the b0 value for each voxel.

Abstract: The present disclosure relates to a magnetic resonance imaging (MRI) radio frequency (RF) array coil that includes first and second physical RF coils inductively coupled. A first matching circuit and a second matching circuit are coupled to the first physical RF coil and the second physical RF coil, respectively, and are coupled in a parallel configuration at a first RF port. A third matching circuit and a fourth matching circuit are coupled to the first physical RF coil and the second physical RF coil, respectively, and are coupled in an anti-parallel configuration at a second RF port. A first logical RF coil is formed by the first and second physical RF coils and the first and second matching circuits. A second logical RF coil, which is decoupled from the first logical RF coil, is formed by the first and second physical RF coils and the third and fourth matching circuits.

Abstract: A coil apparatus and methods for magnetic resonance imaging involving a wire winding, the wire winding having at least one of: a hollow cross-section wire and a solid cross-section wire, the solid cross-section wire having at least one of: a solid small cross-section wire and a solid large cross-section wire, the solid large cross-section wire having a thickness greater than that of the solid small cross-section wire, and the solid small cross-section wire disposed in one of adjacent and proximate at least one of the hollow cross-section wire and the solid large cross-section wire, whereby at least one of current density, winding density, and heat extraction are increasable.

Abstract: Gradient power amplifier (GPA) systems and methods are provided. A GPA system may include a plurality of paralleled GPAs; and at least one controller operably coupled to the plurality of paralleled GPAs. The at least one controller may be configured to perform operations including: obtaining a total current parameter of the plurality of paralleled GPAs; determining, based on the total current parameter and a target current parameter, a first difference value; and determining, based on the first difference value, a first control parameter of a first GPA of the plurality of paralleled GPAs, wherein the first control parameter is configured to control an output current of the first GPA.

Abstract: A magnetic resonance (MR) system configured to acquire MR data from a subject using a set of waveform and pulse sequence commands to prepare a first state of vibration of the one or more hardware elements and/or the subject. Preparing includes generating the vibration matching gradient inducing the first vibrations of the one or more hardware elements and/or the subject, while the net magnetization vector of the subject is aligned along the longitudinal axis of the main magnetic field. The MR system is configured to acquire the MR data by generating at least two spin manipulating gradients for manipulating phases of nuclear spins within the subject. A vibration matching gradient is used for matching with the first state of vibration with the second state of vibration.

Abstract: An ultra-high field radio-frequency (RF) transmit/receive apparatus radio-frequency (RF) transmit/receive apparatus for magnetic resonance (MR) systems, may include: a dipole-array based volume coil (2) with a plurality of straight dipole antennas (3); at least three circular conducting rings (4, 5, 6) radial surrounding the dipole-array based volume coil (2), the at least three circular conducting rings (4, 5, 6) being substantially parallel with each other, having a plurality of ports (9, 10) for receiving a set of quadrature drive signals, the RF coil apparatus further comprising at least two independent transmit/receive (T/R) RF channels (11, 12, 13, 14) for driving the dipole-array based volume coil (2) and the at least three circular conducting rings (4, 5, 6).

Abstract: An intelligent liquid helium-free whole-body magnetic resonance imaging superconducting magnet system, comprising: a vacuum container, provided with a main magnetic field superconducting coil in a radially inner side position therein, and a shielding superconducting coil in a radially outer side position therein, and a heat pipe gas tank is arranged in a vacant area between the main magnetic field superconducting coil and the shielding superconducting coil; a liquid helium reservoir, communicated with a liquid-gas storage tank, and connected with the main magnetic field superconducting coil or the shielding superconducting coil via a helium self-oscillation heat pipe; a refrigerator, fixed on the vacuum container through a thermal conduction component auto-pluggable component; the first thermal conduction component connected with the refrigerator is in close contact with the thermal radiation screen assembly, and the second thermal conduction component connected with the refrigerator is in close contact with

Abstract: A radio frequency (RF) antenna arrangement comprising an RF antenna element and an optical back-end. The RF antenna element comprises an electrically conductive loop, an electronic pre-amplifier and a photo-electrical conversion element. The optical back-end comprising an optical power source and a photodetector. The RF antenna element and the optical back-end being optically coupled, and wherein the optical power source is optically coupled to the photo-electrical conversion element. The photo-electrical conversion element generates upon incidence of optical power from the optical power source an electrical power signal to the pre-amplifier. The photo-electrical conversion element generates optical data signals from electrical data signals picked-up by the electrically conductive loop. The photo-electrical conversion element applies the optical data signals to the photodetector.

Abstract: The present disclosure provides techniques for using opto-isolator circuitry to control switching circuitry configured to be coupled to a radio-frequency (RF) coil of a magnetic resonance imaging (MRI) system. In some embodiments, opto-isolator circuitry described herein may be configured to galvanically isolate switch controllers of the MRI system from the switching circuitry and/or provide feedback across an isolation barrier. Some embodiments provide an apparatus including switching circuitry configured to be coupled to an RF coil of an MRI system and a drive circuit that includes opto-isolator circuitry configured to control the switching circuitry. Some embodiments provide an MRI system that includes an RF coil configured to, when operated, transmit and/or receive RF signals to and/or from a field of view of the MRI system, switching circuitry coupled to the RF coil, and a drive circuit that includes opto-isolator circuitry configured to control the switching circuitry.

Abstract: A conductor arrangement for an inductive power transfer wherein a conductor is arranged so as to form at least a first subwinding and a second subwinding that are arranged next to one another, such that at least one conductor segment of each of the first and second subwinding run alongside one another in a first conductor bundle of the conductor arrangement. In the first conductor bundle, the first subwinding and the second subwinding are connected to one another via a first connecting conductor segment that crosses at least one further conductor segment of the conductor arrangement. A system for an inductive power transfer having at least two respective conductor arrangements, and a method for manufacturing a conductor arrangement are also disclosed.

Abstract: A wearable blood analyte measurement device includes a casing defining an appendage—receiving bore and having an interior volume. A plurality of magnets is within interior volume. The magnets produce a magnetic field in the bore. A nuclear magnetic resonance (NMR) transceiver is supported by the casing and positioned to emit radiofrequency (RF) pulses to and receive NMR signals from the bore. An electronics assembly is within the interior volume and in communication with the NMR transceiver. A power source is in the interior volume and powers the NMR transceiver and the electronics assembly.

Abstract: The present invention provides for polycrystalline superconducting permanent magnets which are synthesized of doped superconducting (AE) Fe2As2 compounds, where AE denotes an alkaline earth metal, such as Ba, Sr, Mg or Ca. The superconducting permanent magnets of the present invention can be magnetized in their superconducting state by induced currents, resulting in trapped magnetization that scales with the size of the bulk material. The magnitude of the trapped field has been demonstrated to be over 1 T and is predicted to be over 10 T if the technology is scaled, which is much higher than the capabilities of permanent magnets and other superconducting polycrystalline bulks currently known in the art.

Abstract: Exemplary magnetic hyperthermia treatment systems and methods involve placing a conducting particle having a diameter of 500 microns within a tumor of a patient; and heating the conducting particle with an oscillating magnetic field. In some cases, the particle has a diameter or dimension with a value within a range of about 20 microns to about 1000 microns. In some cases, particle has a diameter or dimension with a value that is greater than 1000 microns.

Abstract: A system for a touch screen interface that includes a coating including a plurality of a touch activated microchips; and a projector for projecting a light image onto the coating that is applied to a touch screen substrate. The system also includes an image calibrator that calibrates touch activated microchips in the coating to features of the light image projected onto the coating. The system further includes a receiver for receiving signal from the touch activated microchips when said feature of the light image is activated.

Abstract: Method for optimizing an MR control sequence for acquiring MR data of an examination subject by means of an MR device having gradient coils. The method includes providing an MR control sequence having sequence portions, each having an excitation portion, a phase encoding portion and a readout portion, wherein the phase encoding portion is arranged in each case between the excitation portion and the readout portion with respect to time; providing a defined parameter for the MR control sequence; providing an optimization objective; ascertaining usage time of the gradient coils between the excitation portion and the readout portion with respect to time for each of the sequence portions; optimizing the excitation portions for each of the sequence portions considering the ascertained usage time for the corresponding sequence portion and the defined parameter with regard to the optimization objective; and providing the optimized MR control sequence having the optimized excitation portions.

Abstract: A high-order filter with a capacitive inner tapping technique is disclosed. The filter includes an inductor and a first resonant circuit including a first portion of the inductor and a first capacitor. The first resonant circuit is configured to attenuate first frequency components of an input signal above a cutoff frequency to generate a filtered signal. The filter further includes a second resonant circuit coupled in parallel with the first resonant circuit and including the first portion of the inductor and a second capacitor. The second resonant circuit is configured to attenuate the first frequency components of the input signal to generate the filtered signal. A third resonant circuit includes a second portion of the inductor and a third capacitor, wherein the third resonant circuit is configured to attenuate second frequency components of the filtered signal above the cutoff frequency to generate an output signal.

Abstract: The present disclosure relates to a computer implemented diffusion magnetic resonance method for determining a diffusion parameter for spin-labelled particles in a specimen.