|
Match
|
Document |
Document Title |
|
|
7432714 |
Method and device for on-chip magnetic resonance spectroscopy
A method and a device for on-chip magnetic resonance spectroscopy is proposed. On-chip magnetic resonance spectroscopy may be applied to non-magnetic as well as magnetic materials which may be...
|
|
|
7432712 |
Magnetic resonance imaging apparatus
The present invention relates to a magnetic resonance imaging apparatus, which includes a apparatus bottom surface, a static magnetic field generator, two pieces of which are placed opposite each...
|
|
|
7432711 |
Radial coil arrangement for a magnetic resonance apparatus
A coil arrangement for a magnetic resonance apparatus has a number of coil elements that are capable of being operated independently of one another and are situated around a common central area....
|
|
|
7427861 |
Dual-tuned microstrip resonator volume coil
A dual-tuned volume coil for performing MR imaging according to one embodiment includes an inner cylinder having a first coil structure disposed on an inner surface thereof and a second coil...
|
|
|
7423496 |
Resonator with adjustable capacitance for medical device
Systems and methods for a resonator with an adjustable capacitance for a medical device. In one embodiment, a resonator system includes a resonator device with an LC resonator circuit that has an...
|
|
|
7414402 |
Coil apparatus and nuclear magnetic resonance apparatus using the same
An RF coil apparatus suitable for a high magnetic field MRI apparatus includes a plurality of subcoils arranged substantially in a cylindrical form. Each subcoil includes a first conductor part and...
|
|
|
7411392 |
Parametric nuclear quadrupole resonance spectroscopy system and method
A system and method for probing a specimen to determine one or more components by utilizing a first signal to excite the specimen at a nuclear quadrupole resonant frequency and observing changes in...
|
|
|
7408352 |
Magnetic resonance unit
The invention relates to a magnetic resonance unit, with a magnet generating a static magnetic field, in the hollow space of which an essentially tubular inner lining is disposed, into which a...
|
|
|
7405567 |
Tuning low-inductance coils at low frequencies
A method and apparatus for tuning and matching extremely small sample coils with very low inductance for use in magnetic resonance experiments conducted at low frequencies. A circuit is disclosed...
|
|
|
7405568 |
Method and apparatus for digital quadrature lock-in detection in magnetic resonance
A method and apparatus for digital quadrature lock-in detection capable of receiving magnetic resonance signals or electron spin resonance signals at high sensitivity. The method starts with...
|
|
|
7400148 |
MRI apparatus, signal selection method in MRI apparatus, and MRI method in magnetic resonance imaging apparatus
A magnetic resonance imaging includes: a first converter that converts some of the magnetic resonance signals, to be processed, corresponding to a plurality of channels into signals corresponding...
|
|
|
7397244 |
Gradient bore cooling providing RF shield in an MRI system
A magnetic resonance imaging (MRI) device for imaging a volume includes a main magnet for generating a magnetic field, an insulator sheet formed into a tube extending along an axis, a gradient coil...
|
|
|
7397248 |
Amplifier having a regulation system controlled by the output stage
An electrical amplifier comprising an output stage that can be supplied by an electrical energy source, is connected to a control device on the input side, the control signal of the control device...
|
|
|
7391214 |
Magnetic resonance imaging apparatus, coil system for a magnetic resonance imaging apparatus and magnetic resonance imaging method
A magnetic resonance imaging apparatus includes a receiver coil, at least one transmitter antenna, receiver antennas, a signal selection unit and a processing unit. The receiver coil receives a...
|
|
|
7388378 |
Magnetic resonance imaging interference immune device
A medical assembly includes a multi-wire lead having a plurality of coiling loops. The multi-wire lead has a gap region and a non-gap region. The gap region has adjacent coiling loops of the...
|
|
|
7388377 |
Method for reducing the coupling between excitation and receive coils of a nuclear quadrupole resonance detection system
This invention relates to a method for improving the performance of a nuclear quadrupole resonance detection system by reducing the coupling between one or more excitation coils that provide a...
|
|
|
7385398 |
Radio frequency coil arrangement for magnetic resonance measurements and probe head for measuring resonance signals by utilizing such a radio frequency coil arrangement
A radio frequency coil arrangement for magnetic resonance measurements as well as a probe head for measuring resonance signals by utilizing such a radio frequency arrangement are disclosed. The...
|
|
|
7385399 |
Radio-frequency antenna arrangement for acquisition of a magnetic resonance signal
A radio-frequency antenna for acquisition of a magnetic resonance signal has two electrodes that are connected with one another via a discrete tuning device. The first radio-frequency antenna) is...
|
|
|
7382130 |
Irradiation coil and magnetic resonance imaging apparatus comprising the same
A planar irradiating coil including a first ring conductor, a second ring conductor having a smaller diameter than that of the first ring conductor, and a plurality of first line conductors that...
|
|
|
7378850 |
NMR probe
An NMR probe which has a multi-element switching mechanism. The NMR probe has a rotary tuner block, a contact unit, a rotationally driving unit for rotating the rotary tuner block. The rotary tuner...
|
|
|
7378851 |
Integrated low noise amplifier and balun for MRI receivers
An integrated balun-low noise amplifier (LNA) system is included in a magnetic resonance imaging system. The integrated balun-LNA system conditions electromagnetic signals received from at least...
|
|
|
7378844 |
Magnetic resonance system, receiver & method of generating detecting and digitizing analog MR signals solely within the MR shielded environment
A magnetic resonance (MR) system and method for generating information about an object is provided. The MR system comprises at least one MR detector configured to sense a plurality of signals...
|
|
|
7375527 |
Cavity resonator for MR systems
A magnetic resonance apparatus in embodiments of the invention may include one or more of the following features: (a) a coil having at least two sections, (b) the at least two sections having a...
|
|
|
7373119 |
Method and apparatus for analog-to-digital conversion
The present invention eliminates the need for an anti-aliasing filter in a receiver that employs an analog-to-digital converter. By maintaining a predetermined relationship between a local...
|
|
|
7372275 |
Gradient coil apparatus and method of assembly thereof
A gradient coil assembly and a method for manufacturing the gradient coil assembly is provided. The gradient coil assembly includes an insulator sheet formed into a tube extending along an axis....
|
|
|
7372273 |
High temperature superconducting current leads for superconducting magnets
An electrical current lead assembly for ramping a superconducting magnet includes a vacuum vessel wall that has a first side exposed to an atmospheric pressure and a second side exposed to a vacuum...
|
|
|
7368914 |
Magnetic resonance imaging apparatus and imaging apparatus
The present invention is intended to improve imaging efficiency and maneuverability. A dynamic scanning initiation block initiates dynamic scanning in which a plurality of scans is sequentially...
|
|
|
7365542 |
Flexible RF coil assembly and method of making same
An RF coil assembly includes a plurality of coil supports rotatably interconnected to each other. Each coil support is configured to rotate with respect to at least one adjoining coil support. A...
|
|
|
7362100 |
Parallel MR imaging method
As disclosed herein, in a parallel magnetic resonance imaging method core magnetization is excited in an examination volume of a magnetic resonance (MR) device by generating at least one high...
|
|
|
7358737 |
Method of effecting nuclear magnetic resonance experiments using Cartesian feedback
In nuclear magnetic resonance experiments, Cartesian electronic feedback is used to reduce substantially in transmission and/or reception the deleterious effects of sample-mediated and direct...
|
|
|
7352186 |
Nuclear magnetic resonance probe coil
Provided is a nuclear magnetic resonance probe coil that is included in a nuclear magnetic resonance apparatus in which the direction of a static magnetic field is horizontal and that can highly...
|
|
|
7352185 |
Multi-functional NMR probe
A single RF port, multiply-resonant circuit comprises coupled resonant sub-circuits coupled through an adjustable reactive element exhibiting a dynamic range that includes a value of the reactive...
|
|
|
7348773 |
Method and device for assessing ambient conditions of an installation site of a magnetic resonance imaging device
In a method for assessing ambient conditions of an installation site of a magnetic resonance imaging device, various places in an area surrounding the installation site are examined by means of a...
|
|
|
7345482 |
High-field mode-stable resonator for magnetic resonance imaging
Embodiments of the invention pertain to a resonator for use in magnetic resonance imaging. Embodiments of the subject invention pertain to a high-field mode-stable resonator for use in magnetic...
|
|
|
7345481 |
Hybrid TEM/birdcage coil for MRI
A radio frequency coil for a magnetic resonance imaging system includes a birdcage section having a plurality of parallel spaced apart conductors and one or more cross or end conductors aligned...
|
|
|
7345484 |
NMR probe for high-temperature measurements
An NMR probe for high-temperature NMR measurements includes tubular heating means mounted respectively immediately below and immediately above an area to be measured. A sample tube is inserted...
|
|
|
7345485 |
Optical interface for local MRI coils
An implementation of an optical transmission path for NMR signals from local coils in magnetic resonance imaging employs a photomodulator that may be incorporated into a connecting optical cable to...
|
|
|
7343191 |
MRI system
In one example, an illumination system is provided in an MRI system including an open MRI assembly comprising a pole covered by a canopy. The MRI system is within a shielded room. A light source is...
|
|
|
7333849 |
Vertical field neurovascular array coil
A vertical field MRI RF coil array for neurovascular imaging includes a head section having a solenoid coil element and a quadrature coil element; a neck section having a solenoid coil element and...
|
|
|
7332910 |
Frequency detection system comprising circuitry for adjusting the resonance frequency of a high temperature superconductor self-resonant coil
The use of a circuit to adjust the resonance frequency of a high temperature superconductor self-resonant transmit, receive, or transmit and receive coil results in improved performance. The...
|
|
|
7327138 |
Method for generating an MR atlas and for MR imaging using same
A nuclear-medical image is generated from a nuclear-medical data set that can be acquired with a dual modality tomography apparatus, which has both a scanner for acquisition of magnetic resonance...
|
|
|
7323876 |
Magnetic resonance imaging receive chain with dynamic gain and wireless receiver coil
Methods and apparatuses are disclosed for dynamic adjustment of the receiver gain during magnetic resonance imaging (MRI) scan. To account for distortions introduced by the receiver that may be...
|
|
|
7315167 |
Volume coil for a magnetic resonance tomography apparatus
A volume coil for a magnetic resonance (MR) tomography apparatus has a number of array coils or coil parts arranged on at least one coil carrier. The coil carrier annularly encloses or the coil...
|
|
|
7309989 |
Wireless RF coil power supply
A system wirelessly supplies electrical power to an RF coil and an analog-to-digital converter (ADC) for an MRI system. The system supplies power to at least operate the RF coil and ADC without the...
|
|
|
7309988 |
Methods and systems for reducing acoustic noise in a magnetic resonance imaging (MRI) system
A method for reducing acoustic noise in a medical imaging system is described. The method includes attaching a material to an area affected by an acoustic noise generated by the imaging system. The...
|
|
|
7304277 |
Resonator with adjustable capacitor for medical device
An apparatus, system and method of a resonator device with an adjustable capacitor for allowing the resonance frequency (F) of the resonator device to continue to be matched to the Larmor frequency...
|
|
|
7304478 |
Magnetic resonance imaging apparatus provided with means for preventing closed loop circuit formation across and between inside and outside of cryostat
A MRI apparatus includes a super-conducting magnet including a superconducting coil circuit having a super-conducting coil and a permanent current switch for controlling permanent current flowing...
|
|
|
7304476 |
Shielded treatment room and device suitable for recording images on the basis of magnetic resonance
The invention relates to a treatment room ( 7 ) suitable for recording images of a human or animal body on the basis of a magnetic resonance (MR) imaging technique, the walls ( 7 a ), the ceiling (...
|
|
|
7301344 |
Q-damping circuit including a high temperature superconductor coil for damping a high temperature superconductor self-resonant coil in a nuclear quadrupole resonance detection system
The use of a high temperature superconductor single loop or coil in the Q-damping circuit for a high temperature superconductor transmit, receive, or transmit and receive self-resonant coil in a...
|
|
|
7297907 |
Means and method of maintaining a constant temperature in the magnetic assembly of a magnetic resonance device
The present invention discloses a novel active insulation device and method for thermally shielding an external body from temperature fluctuations of a contained body. The method comprising...
|