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| Number | Title | Issue Date |
| 8188741 | Magnetic resonance imaging apparatus and chiller By using a temperature monitor, a coil-dedicated chiller measures an amount of change in temperature of cooling water flowing out from a cooling pipe of a gradient magnetic field, determines an amount of change in temperature of cooling water to be flowed into the c... | 05/29/2012 |
| 8188742 | System and method for thermo-electric cooling of RF coils in an MR imaging system A cooling system for reducing the thermal energy transfer from the heated spots of an RF coil assembly to a patient bore of an MRI system is disclosed. The MRI system includes a plurality of gradient coils positioned about a bore of a magnet, an RF shield formed abo... | 05/29/2012 |
| 8188736 | PET/MR scanners for simultaneous PET and MR imaging In a combined system, a magnetic resonance (MR) scanner includes a magnet (10, 110) configured to generate a static magnetic field (B0) at least in a MR examination region (12) from which MR data are acquired. Radiation detectors (40, 41, 140... | 05/29/2012 |
| 8184879 | Parallel MRI involving density weighting or acquisition weighting In a method for magnetic resonance imaging, k-space is sampled using density weighted data acquisition or acquisition weighted data acquisition, with at least one region of k-space being intentionally undersampled with respect to the Nyquist criterion. Reconstructio... | 05/22/2012 |
| 8183863 | Displaced electrode amplifier A displaced electrode amplifier (“DEA”) for measuring signals from high impedance sources. The amplifier may include an operational amplifier (“op-amp”) configured as a unity gain buffer, with a feedback path to the non-inverting input to at least partly com... | 05/22/2012 |
| 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 |
| 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 |
| 8169220 | Flattened gradient coil for MRI systems A gradient coil and an insert gradient coil for a magnetic resonance imaging system include a primary coil. The primary coil includes an upper primary coil portion and a lower primary coil portion, the lower primary coil portion being less curved in cross-section th... | 05/01/2012 |
| 8169218 | Methods and apparatus for non-contrast enhanced pulmonary magnetic resonance imaging In one aspect, a method of inducing nuclear magnetic resonance (NMR) signals from a region of an object having at least a portion of at least one pulmonary vein using at least one coil adapted to emit electromagnetic signals to induce an NMR effect is provided. The ... | 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 |
| 8160318 | Method for processing images in interventional radioscopy to detect guiding instrumentation equipment A method for processing images in interventional radioscopy for detecting guiding instrumentation equipment. The method of the invention enables objects of longilinear or very curved shapes to be detected within the radioscopic image having very low contrast to nois... | 04/17/2012 |
| 8160317 | Method for topographical presentation of alterations in an examined brain The invention relates to a method for the topographical presentation of structural alterations in an examined brain using volume data records. In line with the invention, this method is distinguished in that functional areas are mapped by extracting profiles, where ... | 04/17/2012 |
| 8160321 | Imaging device, driving method therefor and imaging method An imaging device includes an imaging unit (120) having a sensor in which pixels including a defective pixel are arrayed in a matrix, and sensing an image, a first image reduction unit (151) reducing the image by adding pieces of pixel information of p... | 04/17/2012 |
| 8160320 | Medical image display apparatus, method and program, and recording medium for the program According to the medical image display apparatus of an aspect of the present invention, the display mode to provide multi-screen display of the plurality of slice images including the abnormal shadow region is determined based on the result of acquisition of the abn... | 04/17/2012 |
| 8154292 | Apparatus for carrying out DNP-NMR measurements with a compensation configuration and method for designing the compensation configuration An apparatus for DNP-NMR measurement on a sample, with a magnet configuration for producing a magnetic field in a first working volume and in, a second working volume with a magnetic field gradient in the direction of an axis (z) which extends through the second wor... | 04/10/2012 |
| 8154293 | Apparatus and method for acquisition and reconstruction of non-CPMG propeller sequences An apparatus and method of MR imaging is disclosed. The apparatus and method comprises segmenting acquisition of an echo train into separate odd and even acquisition blades in k-space, wherein the odd and even acquisition blades extend orthogonally through a common ... | 04/10/2012 |
| 8154290 | NMR solenoidal coil and NMR probe having specialized static magnetic field compensating arrangements Solenoid coil arrangements for sending a high-frequency wave, receiving or sending and receiving in a measurement of an NMR signal, wherein the solenoid coil has at least two leader lines for connections to a resonance circuit. A static magnetic field compensating m... | 04/10/2012 |
| 8148983 | Method for calibration of a magnetic resonance acquisition channel, calibration data determination device and magnetic resonance system In a method for calibration of a magnetic resonance acquisition channel having a magnetic resonance acquisition antenna in a magnetic resonance system, in a test signal is emitted by the transmission antenna in the magnetic resonance system and is received by the ac... | 04/03/2012 |
| 8148988 | Magnet arrangement and method for providing a magnetic field in a sensitive volume A magnet arrangement includes (a) a first and a second head ring magnet each having a substantially circular geometry with respect to a center axis and (b) a central ring magnet having a substantially circular geometry with respect to a center axis. The central ring... | 04/03/2012 |
| 8150111 | Methods, systems, and computer program products for processing three-dimensional image data to render an image from a viewpoint within or beyond an occluding region of the image data Methods, systems, and computer program products for processing three-dimensional image data to render an image from a viewpoint within or beyond an occluding region of the image data are disclosed. According to one method, a set of three-dimensional image data is ac... | 04/03/2012 |
| 8143894 | Method for operating a resonance measuring system and a resonance measuring system A method for operating a resonance measuring system, in particular a Coriolis mass flowmeter, an oscillation element is excited to oscillation and the oscillations of the oscillation element are detected by an oscillation sensor and are formed as at least one respon... | 03/27/2012 |
| 8144950 | Method for facilitating post-processing of images using deformable meshes Method and system for facilitating post-processing of images using deformable meshes in which a deformable mesh model of an object such as an organ is extended by attaching information thereon in order to simplify and/or facilitate a desired post-processing task so ... | 03/27/2012 |
| 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 |
| 8143891 | System for image acquisition with fast magnetic resonance gradient echo sequences A system uses a three-dimensional spoiled gradient recalled echo sequence for fat suppression with reduced total acquisition time suitable for acquiring image data under breath-hold conditions using a reversed asymmetry during data acquisition on an opposed phase ec... | 03/27/2012 |
| 8143890 | Spectral resolution enhancement of magnetic resonance spectroscopic imaging A method and apparatus for enhancing the spectral resolution of magnetic resonance spectroscopic (MRS) measurements include receiving time domain echo data from an MRS measurement for an MRS volume in a subject. Also received are high spatial resolution complex sign... | 03/27/2012 |
| 8138759 | System for adjusting a magnetic field for MR and other use An MR magnetic field inhomogeneity compensation system acquires multiple MR data sets representing luminance intensity values of individual image elements comprising corresponding multiple different image versions of at least a portion of a first imaging slice of pa... | 03/20/2012 |
| 8125226 | Millipede surface coils A low pass RF ladder coil, which is named as a millipede surface coil, comprises a first and a second conductor end strips running parallel to each other. A set of rung elements are placed between them, alternate rung elements are connected to the first and second s... | 02/28/2012 |
| 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 |
| 8125223 | Segmenting infarct in diffusion-weighted imaging volume Methods (2900), apparatuses (3000), and computer program products for segmenting an infarct in a diffusion-weighted imaging (DWI) volume are disclosed. A Region of Interest in at least one slice of the DWI volume is selected (2912). The ROI comp... | 02/28/2012 |
| 8120357 | Method and system for fluid characterization of a reservoir A method for determining fluids in a formation. The method includes obtaining open hole measurements for a borehole in the formation; identifying points in the borehole from which to obtain pressure measurements using the open hole measurements; obtaining pressure m... | 02/21/2012 |
| 8120358 | Magnetic resonance imaging with high spatial and temporal resolution Methods, systems, and apparatus for magnetic resonance imaging (MRI) are described. In one example, the method includes applying a sample-selective magnetic field gradient sequence along a slice direction to partition responses from a sample under magnetic resonance... | 02/21/2012 |
| 8120359 | Magnetic resonance apparatus and method for determining a pulse sequence to feed an RF radiating coil In a magnetic resonance apparatus having an RF radiating coil and gradient coils, and in a method for operating such a magnetic resonance apparatus, a pulse sequence, composed of multiple time steps, is specified for operating the gradient coils to time-dependently ... | 02/21/2012 |
| 8115487 | Apparatus and method for cryogenically cooling a coil on a magnetic resonance imaging system A magnetic resonance imaging system includes a primary magnet and a secondary magnet operable to produce magnetic fields within a sample being imaged. The MRI system further includes at least one RF coil that is operable to receive electromagnetic frequencies from t... | 02/14/2012 |
| 8115483 | Method and device for field quality testing of a magnetic resonance antenna In a method and device for field quality testing of a magnetic resonance antenna arrangement of a magnetic resonance system composed of multiple antenna elements, a test signal is fed into the respective antenna elements by a transmission antenna and the test signal... | 02/14/2012 |
| 8115488 | 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 that is appropriate for performing measurements in fields where magnet... | 02/14/2012 |
| 8111069 | Magnetic resonance system and operating method with compensation of second-order maxwell terms A magnetic resonance system has a basic magnet system that generates a temporally static, spatially homogeneous basic magnetic field in an examination volume of the magnetic resonance system, and a radio-frequency system. An overlay system generates overlay fields i... | 02/07/2012 |
| 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 |
| 8107730 | Imaging system sag correction method and apparatus An apparatus for use with a single modality imaging system configured to generate uncorrected imaging data of a patient, the single modality imaging system includes two gamma cameras and a patient stretcher disposed between the two gamma cameras, the apparatus for c... | 01/31/2012 |
