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7259559 Coil element selection method and magnetic resonance imaging apparatus  
To visually, readily and positively performing the selection of a coil element and a combination of coil elements most suitable for the MRI scan, a low resolution imaging step for imaging at a low...
7256579 Method for imaging biological matter using an adiabatic pulse  
The present invention includes a method for MR imaging of a biological matter having H 2 O 17 content by performing T1 ρ off imaging of said H 2 O 17 content in said biological matter. The T1...
7254437 MR imaging providing tissue/blood contrast image  
A magnetic resonance imaging (MRI) system includes an ECG detector for the patient object being imaged and an element for performing an MRI pulse sequence. An imaging unit defined by the pulse...
7253619 Method for evaluating magnetic resonance spectroscopy data using a baseline model  
In a method for evaluating data of a magnetic resonance signal, a baseline is modeled and at least one metabolite signal is modeled. The modeling of the baseline ensues based on magnetic resonance...
7253627 Method for removing noise from nuclear magnetic resonance signals and images  
The method for removing noise from nuclear magnetic resonance signals and images involves removing noise from NMR signals through the application of stable linear time-frequency (SLTF) transforms....
7253620 Spectrally selective suppression with steady-state free precession  
A method that exploits the intrinsic selectivity of steady-state free precession (SSFP) to perform spectral suppression is disclosed. Such a method avoids the need to incorporate additional...
7251519 MR-method for the in vivo measurement of temperature or pH-value by means of a hyperpolarised contrast agent  
The present invention provides a method of MR investigation of a sample, said method comprising: (i) nuclear spin polarizing a high T1 MR imaging agent which contains in its molecular structure at...
7251310 Method and apparatus for detecting contraband using radiated compound signatures  
An system for detecting contraband, particularly explosives or other energetic materials. The system includes a source of ionizing radiation that irradiates an item under inspection. The radiation...
7250761 Magnetic resonance imaging equipment stand  
A magnetic resonance imaging equipment stand made of nonmagnetic materials having a supported counterbalanced adjustable angular arm supporting a vertically disposed mounting arm having a mount...
7250762 Method and system of MR imaging with reduced FSE cusp artifacts  
Coil sensitivity of a receive coil to a gradient null location is measured and, from the measurements, a coil calibration value is determined and used to modify the MR data acquired with that...
7246939 Measurement of thermal diffusivity, thermal conductivity, specific heat, specific absorption rate, thermal power, heat transfer coefficient, heat of reaction and membrane permeability by nuclear magnetic resonance  
This invention utilizes the nuclear magnetic resonance imaging and spectroscopy to experimentally measure thermal diffusivity, thermal conductivity, specific heat, specific absorption rate, thermal...
7245124 Under-sampled 3D MRI using a shells k-space sampling trajectory  
A 3D MRI image is acquired as a series of spherical shells of increasing radius. Each shell is sampled by one or more interleaved spiral sampling trajectories and to shorten the scan time one or...
7245125 Magnetic resonance imaging apparatus and method wherein streak artifacts are minimized in modular k-space scanning  
In a method and MRI apparatus for the minimization of streak artifacts in modular k-space scanning in magnetic resonance imaging, an odd integer k-space scanning module number N φ =2n+1 is defined...
7242189 Magnetic resonance diagnosis apparatus using three-dimensional magnetic tagging method  
A magnetic resonance diagnosis apparatus is capable of performing magnetic tagging of a three-dimensional region to visualize three-dimensional motion or to quantitatively handle the motion. In...
7239137 Method and apparatus for fast spin echo (FSE) prescan phase correction  
A method and apparatus for prescan phase correction analyzes the phase profile of the first echo sampled in a prescan and the phase profile corresponding to the lope echo of an impending FSE...
7239136 Motion compensation for magnetic resonance imaging  
An MRI system and method for acquiring motion-compensated MR image data of an object. The MRI system includes an MRI device for generating a uniform magnetic field through the object, magnetic...
7239138 Magnetic resonance method and device  
A portion of an object is subjected to a T2-preparation sequence. The portion of the object is subjected to a 2D navigator restore sequence. Subsequent to subjecting the portion of the object to...
7235971 Shimming of MRI scanner involving fat suppression and/or black blood preparation  
In a method for shimming a magnetic resonance imaging scanner ( 10 ), at least one of fat suppression and blood suppression is performed to suppress magnetic resonance from a corresponding at least...
7235972 Keyhole echo-planar imaging with double (T1 and T2*) contrast (DC-EPIC)  
An object is examined by detecting properties of the object at different times within a space formed by spatial frequencies. This is done such that temporally consecutive recordings are made in...
7233144 Method and system for performing image reconstruction in a magnetic resonance imaging system  
Methods and Systems for image reconstruction in magnetic resonance imaging (MRI) are provided. The method includes receiving MRI data and storing the received MRI data. The method further includes...
7233143 BRORC-S2PD  
Systems, methodologies, media, and other embodiments associated with a block-by-block off-resonance frequency estimation method are described. One exemplary method embodiment includes calculating a...
7233145 Method for magnetic resonance imaging with correction for fluctuations in the tramsission field strength  
In a method for magnetic resonance imaging, whereby magnetic resonance signals in a region of interest of an examination subject are generated in an examination by applying radio-frequency pulses...
7233818 Methods and apparatus for mapping internal and bulk motion of an object with phase labeling in magnetic resonance imaging  
Magnetic resonance imaging method and apparatus are provided for mapping the internal or bulk motion of an object by labeling the phase of a specimen magnetization with a selected spatial function...
7230423 Method for improving the image homogeneity of image data from phase-cycled steady state sequences  
Nuclear spin tomography (synonym: magnetic resonance tomography, MRT) is applied in medicine for the purpose of examining patients. A method is proposed for improving the image homogeneity of image...
7227361 RF coil and magnetic resonance imaging apparatus  
A magnetic resonance imaging apparatus acquires magnetic resonance signals by the PI method using an RF coil unit having basic coils serving as surface coils which are arrayed with at least two...
7227359 Method and apparatus for phase-sensitive magnetic resonance imaging  
Systems and methods are described for phase-sensitive magnetic resonance imaging using an efficient and robust phase correction algorithm. A method includes obtaining a plurality of MRI data...
7227356 Method and apparatus of multi-echo MR data acquisition with non-discrete flip angle train  
An imaging technique is disclosed to reduce ringing artifacts from amplitude decay in MR multi-echo acquisition. A flip angle train is determined to match scan parameters for an MR scan to acquire...
7227357 Method for positioning a slice of a magnetic resonance measurement  
A method is disclosed for positioning a slice of a magnetic resonance measurement and allowing a graphic determination of the slice to be measured on the basis of a distortion-corrected magnetic...
7227358 MR method and apparatus for determining coronal and sagittal image planes from an image data set of a shoulder joint  
In a method for determination of coronal and sagittal planes for the subsequent acquisition of new magnetic resonance slice images or the representation of magnetic resonance slice images from an...
7224163 Magnetic resonance imaging device  
A first pulse sequence is executed on an imaging portion of an object to be examined using a multiple receiving coils including a plurality of receiving coils to obtain sensitivity images 701 to ...
7218106 MRI with automatic contour-controlled separation between RF coil and object being imaged  
A magnetic resonance imaging apparatus of the invention comprises a static magnetic field generation unit which generates a static magnetic field in a gantry, a gradient magnetic field generation...
7218110 Method and apparatus for diffusion magnetic resonance imaging with the effects of eddy currents compensated  
A method and a system for acquiring diffusion magnetic resonance images with compensation of the effects of eddy currents induced by the diffusion weighting (DW) gradient pulses. Prescan data are...
7218105 Nuclear quadrupole resonance measurements  
An apparatus for exciting and detecting NQR in a substance containing quadrupole nuclei responsive to the NQR phenomenon. The apparatus includes a coil 15 for irradiating an item that may contain...
7218108 Magnetic resonance imaging apparatus and processing method for magnetic resonance imaging collection data  
A magnetic resonance imaging apparatus includes: a sensitivity map database that stores sensitivity map data of a multi-coil including plural coils necessary for parallel imaging unfolding...
7218109 Method and control device for operating a magnetic resonance tomography apparatus to select appropriate local coils  
In a method for generation of magnetic resonance exposures and a control device for a magnetic resonance tomography apparatus, a number of coils are available in the apparatus, the coils being are...
7205763 Movement-corrected multi-shot method for diffusion-weighted imaging in magnetic resonance tomography  
In a multi-shot method for diffusion-weighted imaging in magnetic resonance tomography, the sampling of the k-matrix in the readout direction ensues in segments, and immediately after acquisition...
7205764 Method and apparatus for increasing the detection sensitivity in a high resolution NMR analysis  
Enhanced nuclear polarization of a magnetic resonance sample provides greater detection sensitivity over conventional NMR spectroscopy due to a method and an apparatus of increasing the detection...
7202663 Method for generating fast magnetic resonance images  
The subject invention pertains to a method for acquiring and reconstructing a collection of time crucial magnetic resonance images. The subject invention is applicable for speeding up acquisition...
7202667 Anisotropic nanoparticle amplification of magnetic resonance signals  
The reversible transverse susceptibility of magnetic nanoparticles is used to achieve magnetic flux amplification in magnetic resonance settings. Nanoparticles having substantially uniaxial or...
7202662 Correction of the effect of gradient field non-linearities in phase contrast MRI  
Errors in qualitative phase contrast measurements due to gradient field heterogeneities are reduced by using either a generalized reconstruction algorithm or an approximate reconstruction...
7202665 Magnetic resonance spectroscopy of species with multiple peaks  
Metabolite images are produced with an MRI system using a priori information about the resonant peaks of the metabolites and their relative sizes to reduce the amount of NMR data needed for proper...
7202664 Method and apparatus for multiple spectroscopy analysis by using nuclear magnetic resonance  
An object of the present invention is to provide a method of controlling and observing binding of sample substances in an aqueous solution. An apparatus of the present invention has a unit applying...
7199581 Magnetic resonance measuring system determining the mass of samples in a production line with monitored drift compensation  
Magnetic resonance measurement methods for determining the mass of samples are provided in which magnetic field homogeneity is determined, compensation is provided for potential drifts in the...
7196518 Magnetic resonance method which automatically forms water/fat separated images with different echo times and determines that proper phase unwrapping has been utilized  
A magnetic resonance imaging method for fully automatically forming a water/fat separated image by calculation after acquiring data on images of different echo times, wherein the unwrapping of a...
7197353 Sensitivity encoding MRI acquisition method  
A sensitivity encoding method (SENSE) is used to acquire an MR image having a reduced field of view. The number of aliased replicates caused by surrounding object boundaries is calculated for each...
7190163 Method for producing multiple MR images with different contrast from a single image acquisition  
A training module is used to produce a database that stores histogram landmarks for MR images acquired with different scan parameters such as TR, TE flip angle and inversion recovery time. This...
7187171 Magnetic resonance imaging apparatus and its control method  
Collecting first and second echoes and third or fourth echoes, controlling a unit to supply a coil with a base pulse during a period of collecting the echoes, and to further supply the coil with a...
7187791 Coil sensitivity map generating method, parallel imaging method, and MRI apparatus  
For a purpose of improving homogeneity of an image obtained in a self-calibration by a parallel imaging method generally referred to as SENSE (SENSitivity Encoding), sensitivity factors S n (p) are...
7187169 NMR and MRI apparatus and method  
Nuclear magnetic resonance (NMR) signals are detected in microtesla fields. Prepolarization in millitesla fields is followed by detection with an untuned dc superconducting quantum interference...
7187170 Multiple acquisition phase-sensitive SSFP for species separating in MRI  
MRI signals from two species such as fat and water are separated by repeatedly applying a steady state free precession (SSFP) sequence to an object with the phase of each RF excitation pulse in a...
Matches 351 - 400 out of 1846 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >