172085 ⎘
Arrangements or instruments for measuring magnetic variables involving magnetic resonance; Details of apparatus provided for in groups - ; Excitation or detection systems, e.g. using radio frequency signals; Electrical details, e.g. matching or coupling of the coil to the receiver Tuning/matching of the transmit/receive coil
Switchable manual/motor-driven NMR tuning systems and methods
#302Magnetic resonance system having a superconducting whole-body receiving arrangement
#303Capacitor switches for NMR
#304Method for adjusting an excitation and detection circuit for nuclear magnetic resonance, and circuit adapted for carrying out said method
#305NMR probehead with a plurality of resonator systems for simultaneous measurement of a plurality of samples in a coupled mode
#306Intracavity probes and interfaces therefor for use in obtaining images and spectra of intracavity structures using high field magnetic resonance systems
#307Rf trap tuned by selectively inserting electrically conductive tuning elements
#308High frequency coil and magnetic resonance imaging apparatus
#309Resonator with adjustable capacitance for medical device
#310RF COIL FOR IMAGING SYSTEM
#311Microcoil NMR detectors
#312APPARATUS AND CONSTRUCTION FOR INTRAVASCULAR DEVICE
#313Detuning of an RF shielded MRI scan room
#314Electromagnetic shielding for high field MRI coils
#315Optical decoupling, tuning and shimming of magnetic resonance coils
#316NMR coil having integrated capacitive structures
#317Minimal capacitance adjustable capacitor
#318RF resonator system and method for tuning an RF resonator system
#319RF coil for MRI apparatus, method of using RF coil for MRI apparatus, and MRI apparatus
#320NMR probe and NMR spectrometer
#321Magnetic resonance system with reception antenna device
#322Resonator with adjustable capacitor for medical device
#323RF coil and MRI system
#324Tuning low-inductance coils at low frequencies
#325Quadrupole resonance using narrowband probes and continuous wave excitation
#326APPARATUS AND CONSTRUCTION FOR INTRAVASCULAR DEVICE
#327Methods, systems, circuits and computer program products for determining polarization of a gas
#328RF COIL FOR IMAGING SYSTEM
#329Circuit arrangement for detuning a resonant circuit of an MR apparatus
#330Magnetic resonance receive coils with compact inductive components
#331RF COIL FOR IMAGING SYSTEM
#332Biopsy and sampling needle antennas for magnetic resonance imaging-guided biopsies
#333Radio-frequency antenna arrangement for acquisition of a magnetic resonance signal
#334Resonator with adjustable capacitance for medical device
#335Method for developing a transmit coil of a magnetic resonance system
#336Tubular capacitor with variable capacitance and dielectrically elongated inner electrode for NMR applications
#337Resonator with adjustable capacitor for medical device
#338Catheter tip tracking for interventional procedures monitored by magnetic resonance imaging
#339Q-factor switching method and apparatus for detecting nuclear quadrupole and nuclear magnetic resonance signals
#340NMR probe
#341RF coil for imaging system
#342Magnetic resonance apparatus and gradient coil/radio frequency unit therefor with fracture-resistant electrical connections
#343System, method and apparatus for tuning an RF volume coil
#344Radiofrequency coil and catheter for surface nmr imaging and spectroscopy
#345Methods, systems, circuits, and computer program products for determining polarization of a gas
#346Low esr switch for nuclear resonance measurements
#347NMR systems employing inverted variable capacitors
#348Variable capacitor adjustable by linear motor
#349Balun arrangement and installation method thereof for a magnetic resonance apparatus
#350RF coil system for a magnetic resonance imaging apparatus
#351RF coil for imaging system
#352Multi-loop receiver coil having a large tuning range for a magnetic resonance imaging system
#353Receive system for high q antennas in nqr and a method of detecting substances
#354Frequency detection system comprising circuitry for adjusting the resonance frequency of a high temperature superconductor self-resonant coil
#355Power circuit of a coil and probe and NMR spectrometer comprising such a circuit
#356Apparatus and construction for intravascular device
#357System and method for operating transmit or transmit/receive elements in an MR system
#358Tuning of nuclear magnetic resonance logging tools
#359Q-factor switching method and apparatus for detecting nuclear quadrupole and nuclear magnetic resonance signals
#360Combiner/splitter device for an MRI system
#361Method of enhancing an MRI signal
#362Sliding band capacitor inductive coupling in a low temperature nuclear magnetic resonance probe and methods of use
#363Buried utility locator auto-tuning apparatus and methods
#364System and method for stabilizing surface coil
#365Auto-tuning circuit apparatus and methods
#366Method and device for simultaneous Tx/Rx in strongly coupled MRI coil loops
#367Device and method for simultaneous TX/RX in strongly coupled MRI coil loops