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| Number | Title | Issue Date |
| 8188735 | Resolution enhanced T1-insensitive steady state imaging (RE-TOSSI) Systems, methods, and other embodiments associated with RE-TOSSI are described. One system embodiment includes an MRI apparatus configured to produce a RE-TOSSI pulse sequence and to acquire T2-weighted images in response to the RE-TOSSI pulse sequence. An example R... | 05/29/2012 |
| 8183864 | System for multi nucleus cardiac MR imaging and spectroscopy A system for respiratory motion compensated MR imaging or spectroscopy, comprises an MR imaging system. The MR imaging system performs a single imaging scan including, acquiring a first imaging data set representing a spatially localized first imaging region located... | 05/22/2012 |
| 8179135 | Low field electron paramagnetic resonance imaging with SQUID detection In one embodiment, a flux transformer with a gradiometer pickup coil is magnetically coupled to a SQUID, and a SQUID array amplifier comprising a plurality of SQUIDs, connected in series, is magnetically coupled to the output of the SQUID. Other embodiments are desc... | 05/15/2012 |
| 8174263 | Magnetic resonance imaging with unnecessary material suppression using multiple RF pulses A magnetic resonance imaging device includes a predetermined pulse sequence, the predetermined pulse sequence including an unnecessary material suppressing sequence unit for canceling a signal from an unnecessary material which is not a measurement target and a main... | 05/08/2012 |
| 8169217 | Mitigating saturation artifacts associated with intersecting plane TrueFISP acquisitions through grouped reverse centric phase encoding Systems methods, and other embodiments associated with acquiring intersecting TrueFISP images using grouped reverse centric phase encoding are described. One example method includes controlling an MRI apparatus to produce a TrueFISP sequence that delays acquisition ... | 05/01/2012 |
| 8169216 | System and method for synthesizing crossing ADC distributions via reassembly of multiple k-spaces A method for synthesizing crossing ADC distributions via reassembly of multiple k-spaces is disclosed. The method includes the steps of scanning a test object having a plurality of anisotropic structures to acquire a first set of DTI data using gradient directions; ... | 05/01/2012 |
| 8164333 | Magnetic resonance force detection apparatus and associated methods A magnetic resonance force detection apparatus, comprising a sample carrier for carrying a sample to be tested, a magnetic field source and a support for supporting either the sample carrier or the magnetic field source. The magnetic field source is configured to ex... | 04/24/2012 |
| 8159221 | Magnetic resonance imaging apparatus and method using SSFP having non-zero first moment gradients within the repetition time A magnetic resonance imaging apparatus includes a data acquisition unit and an image generating unit. The data acquisition unit acquires MR data according to an imaging condition for obtaining a SSFP in flowing matter by applying excitation pulses having a same flip... | 04/17/2012 |
| 8154283 | Method and apparatus for automatically analyzing the characteristics of an elastomeric material included in a tire A method and an apparatus for analyzing at least one material characteristic of a tire wherein nuclear magnetic resonance measuring is applied to a tread block of the tire by means of a nuclear magnetic resonance measuring system including a nuclear magnetic resonan... | 04/10/2012 |
| 8148979 | Selective magnetic resonance imaging Techniques and systems for magnetic resonance imaging are disclosed in this specification. In one aspect, imaging of tissues having short transverse relaxation times T2 is described including short echo time (TE) signal acquisition preceded by suppression of ... | 04/03/2012 |
| 8148980 | Magnetic resonance imaging system and method A magnetic resonance imaging system is characterized in that a control unit executes, as pulse sequences, a first sequence for obtaining data of a predetermined 2-dimensional region in a k-space and a second sequence for obtaining data required for reconstruction of... | 04/03/2012 |
| 8143888 | Magnetic resonance imaging apparatus and method A magnetic resonance imaging apparatus includes a movement unit which moves a subject placed in a static magnetic field, a collector which collects data corresponding to a magnetic resonance signal emitted from the subject, a detector which detects a position of a p... | 03/27/2012 |
| 8134365 | Methods of in-vitro analysis using time-domain NMR spectroscopy An in vitro method of determining an analyte concentration of a sample includes placing the sample into a low-field, bench-top time-domain nuclear magnetic resonance (TD-NMR) spectrometer. The NMR spectrometer is tuned to measure a selected type of atom. A magnetic ... | 03/13/2012 |
| 8134363 | Test object for use with diffusion MRI and system and method of synthesizing complex diffusive geometries using novel gradient directions A test object for use with diffusion MRI and a system and methods of synthesizing complex diffusive geometries. The test object, which includes anisotropic structures, can be used to monitor DTI measures by providing a baseline measurement. Using measurements of the... | 03/13/2012 |
| 8134364 | Magnetic resonance imaging using modified bessel functions A method and apparatus to increase the effectiveness of a Magnetic Resonance Imaging (MRI) device by increasing the signal-to-noise ratio, allowing thinner slice thicknesses, and allowing more contiguous slices. In an MRI device, a patient is subjected to a constant... | 03/13/2012 |
| 8125222 | Magnetic resonance imaging apparatus and scanning-condition creating method A storage unit stores a parameter list that defines a method of creating scanning conditions for a preparation scan from scanning conditions set for a main scan, with respect to each type of scanning. A scanning-condition edit/scan positioning unit receives an opera... | 02/28/2012 |
| 8111068 | Reducing effects of rotational motion A method and system for improving image quality by correcting errors introduced by rotational motion of an object being imaged is provided. The object is associated with a fiducial mark. The method provides a computer executable methodology for detecting a rotation ... | 02/07/2012 |
| 8111067 | Positional magnetic resonance imaging A patient is examined by magnetic resonance imaging in different positions relative to gravity by moving the patient relative to the magnet, and the acquired data is compared to show differences in anatomy due to differences in patient position. Individual data elem... | 02/07/2012 |
| 8106655 | Multiplex imaging systems, devices, methods, and compositions including ferromagnetic structures Multiplex imaging systems, devices, methods, and compositions are provided. A nuclear magnetic resonance imaging composition includes, but is not limited to, a plurality of ferromagnetic microstructures configured to generate a time-invariant magnetic field within a... | 01/31/2012 |
| 8093895 | Magnetic resonance imaging apparatus and magnetic resonance imaging method of controlling image contrast A magnetic resonance imaging apparatus includes a data acquisition unit and an image data generating unit. The data acquisition unit acquires MR signals for imaging by an imaging scan with a frequency-selective or slice-selective radio frequency intermediate pulse f... | 01/10/2012 |
| 8093894 | Magnetic resonance imaging apparatus and magnetic resonance imaging method for improving uniformity in sensitivity map A magnetic resonance imaging apparatus includes a sensitivity map data generating unit and a sensitivity corrected image data generating unit. The sensitivity map data generating unit generates reference image data based on data for generating sensitivity map data o... | 01/10/2012 |
| 8089278 | Time-resolved contrast-enhanced magnetic resonance (MR) angiography The techniques and systems described in this application can be used to, in one implementation, optimize data acquisition including sampling trajectories and undersampling factors. A method performed by a nuclear magnetic resonance imaging (MRI) system comprises app... | 01/03/2012 |
| 8085042 | Method and device for automatic determination of slice positions in an MR examination Two method and device embodiments allow automatic determination of slice positions in an MR examination in an MR system. In the first embodiment, a volume to be measured by the MR examination is predetermined. The MR examination is subsequently planned in that at le... | 12/27/2011 |
| 8085041 | Three-point method and system for fast and robust field mapping for EPI geometric distortion correction A system and method for MR magnetic field mapping includes a computer programmed to acquire a first data point at a first location in a first phase image data set, a second data point at the first location in a second phase image data set, a third data point at the ... | 12/27/2011 |
| 8080996 | Magnetic resonance imaging apparatus and position setting support method thereof According to the present invention, in a magnetic resonance imaging apparatus that receives magnetic resonance signals emitted from a patient by using a reception coil and reconstructs an image of the test subject from the received magnetic resonance signals, first ... | 12/20/2011 |
| 8080997 | Magnetic resonance imaging (MRI) apparatus and method for reduced eddy current generation in the imaged object An MRI apparatus and method reduces eddy currents generated by changing gradient magnetic fields used to image an object. Positioning image data from a pilot imaging mode is used to set reference imaging conditions for a subsequent actual diagnostic imaging mode use... | 12/20/2011 |
| 8076936 | Reducing imaging-scan times for MRI systems Provided are methods and systems for rapid MRI imaging-scanning that provides 2D or 3D coverage, high precision, and high-temporal efficiency, without exceeding SAR limits. In one embodiment, a pulse sequence process is performed that includes a T1ρ prep... | 12/13/2011 |
| 8076937 | Fibre tracking on the basis of macroscopic information A diffusion data processing apparatus comprising a segmenter arranged to segment the diffusion tensor data according to at least one segmentation model representing at least part of a fiber bundle. The segmentation model may comprise macroscopic and/or microscopic i... | 12/13/2011 |
| 8076935 | Magnetic resonance imaging (MRI) using SPIR and/or chess suppression pulses A magnetic resonance imaging apparatus includes an imaging condition setting unit and an image data acquisition unit. The imaging condition setting unit sets an imaging condition applying first and second suppression pulses of which at least ones of types, center fr... | 12/13/2011 |
| 8067936 | Frequency swept excitation for magnetic resonance A method of magnetic resonance is provided that uses a frequency swept excitation wherein the acquired signal is a time domain signal is provided. In one embodiment, the method comprises, applying a sweeping frequency excitation and acquiring a time domain signal. T... | 11/29/2011 |
| 8058872 | Systems, devices, methods, and compositions including functionalized ferromagnetic structures Magnetic resonance systems, devices, methods, and compositions are provided. A nuclear magnetic resonance imaging composition includes, but is not limited to, a plurality of functionalized ferromagnetic microstructures configured to generate a time-invariant magneti... | 11/15/2011 |
| 8054075 | Method for magnetic resonance imaging using inversion recovery with on-resonant water suppression including MRI systems and software embodying same Featured are methods for magnetic resonance imaging of a volume, such a volume having susceptibility-generating objects or interfaces having susceptibility mismatches therein. Such a method includes selectively visualizing one of susceptibility-generating objects or... | 11/08/2011 |
| 8054076 | Method and magnetic resonance system to generate a fat-reduced, spatially resolved magnetic resonance spectrum In a method and apparatus for generating a fat-reduced, spatially resolved magnetic resonance spectrum of an examination subject, first measurement data are acquired to generate a spatially resolved spectroscopy measurement, second spatially resolved measurement dat... | 11/08/2011 |
| 8054077 | Ferromagnetic frame magnet with superconducting coils A magnetic resonance imaging magnet includes a ferromagnetic frame. A pair of generally toroidal superconducting coil units overlie interfaces of side walls incorporated in the frame. Each coil unit may include a vessel having hollow support extensions extending int... | 11/08/2011 |
| 8049496 | Wideband magnetic resonance imaging apparatus and method A magnetic resonance imaging (MRI) method is provided, including the steps of generating a wideband RF signal that has a plurality of frequency bands respectively corresponding to a plurality of different kinds of nuclei, to simultaneously excite the different kinds... | 11/01/2011 |
| 8035379 | Coil energization apparatus and method of energizing a superconductive coil A coil energizing apparatus has a superconducting energization power supply having an output port. The power supply is arranged to generate, when in use, a pulsed output current signal at the output port. ... | 10/11/2011 |
| 8035378 | Magnetic resonance system with power loss-optimized operation A magnetic resonance system has multiple individual transmission antennas each charged with a transmission current to emit an individual excitation field in an examination volume to excite magnetic resonances in a subject, producing a total excitation field as a sup... | 10/11/2011 |
| 8035377 | Method for excluding magnetic objects from magnetic resonance imaging facility A method to screen individuals specifically for paramagnetic or ferromagnetic objects they may be carrying or wearing, before they enter the high-field region of an MRI suite. The device used comprises either a screening portal or a compact, hand-held magnetic gradi... | 10/11/2011 |
| 8030920 | Method and system for modifying pulse sequences Methods and systems are provided for modifying a pulse sequence. In one embodiment, a determination is made whether an estimated peripheral nerve stimulation (PNS) associated with a pulse sequence exceeds a PNS limit. If the estimated PNS exceeds the PNS limit, a sl... | 10/04/2011 |
| 8030921 | Methods for fat signal suppression in magnetic resonance imaging This application is directed to methods for chemical species signal suppression in magnetic resonance imaging procedures, where Dixon techniques are enhanced by continuously sampling techniques. K-space data is acquired during a period of read gradient associated wi... | 10/04/2011 |
