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| Number | Title | Issue Date |
| 8185187 | Magnetic resonance lmethod and apparatus with gated shimming of the basic magnetic field In the acquisition of magnetic resonance imaging or spectroscopic data, 2D PACE is employed to identify an acceptance or shimming window within which the magnetic resonance data are acquired, and to trigger the acquisition of the magnetic resonance data at the same ... | 05/22/2012 |
| 8112145 | MRI method for assessing myocardial viability An assessment of myocardial viability in a subject is performed by acquiring an MR image which distinguishes infarcted myocardium from normal myocardium. A contrast agent is used and after a waiting period, a cardiac-gated segmented inversion recovery gradient-recal... | 02/07/2012 |
| 8064983 | Method and system for prospective gating using multiple inputs One or more techniques are provided for determining the overall motion of an organ of interest relative to a viewer or imager. Motion data is acquired for the organ of interest and/or for one or more proximate organs using sensor-based and/or image data-based techni... | 11/22/2011 |
| 7945306 | Method for generating an image exposure of the heart requiring a preparation A method for generation of an image exposure of the heart of an examination subject with an imaging medical examination apparatus in particular a magnetic resonance apparatus, the image exposure requiring preparation includes the steps of: preparation of the heart i... | 05/17/2011 |
| 7945305 | Adaptive acquisition and reconstruction of dynamic MR images A method for acquiring MR data from a beating heart during subject respiration includes a prescan phase in which a respiratory compensation table and a k-space sampling schedule are produced. The k-space sampling table is produced using a spatio-temporal model of th... | 05/17/2011 |
| 7925325 | Method for acquiring cardiac image data In a method and apparatus for acquiring cardiac image data of a subject of examination, in particular in the context of magnetic resonance tomography, a first image acquiring technique is implemented, in which image data acquiring takes place only in a part of the c... | 04/12/2011 |
| 7865227 | Image reconstruction method for cardiac gated magnetic resonance imaging A cardiac gated acquisition of MR data during a breath-hold employs a hybrid PR pulse sequence to acquire projection views from which image frames may be reconstructed at a plurality of cardiac phases during each heartbeat. Composite images are reconstructed at each... | 01/04/2011 |
| 7835783 | Magnetic resonance imaging methods and apparatus for time-series motion tracking with inversion recovery compensation Image contributions produced by an untagged specimen magnetization component in magnetic resonance imaging are controlled by applying one or more radiofrequency (RF) pulses that invert at least a portion of the untagged specimen magnetization. In an example, a speci... | 11/16/2010 |
| 7826886 | Capture of MRI images A method of producing an MRI image of an object in cyclic motion by acquiring data in k-space according to the measured position of the object, and an analysis of data previously acquired. The invention also provides a magnetic resonance imaging heart monitor config... | 11/02/2010 |
| 7792567 | Method and system for correlating acquisition of images of a moving organ with the movement of the moving organ In a method, sensor and system for producing time-limited images of a moving organ of a human or animal body, an imaging apparatus acquires image data and, using a sensor situated outside the body, a signal is registered that represents the movement of the organ tha... | 09/07/2010 |
| 7756565 | Method and system for composite gating using multiple inputs One or more techniques are provided for determining the overall motion of an organ of interest relative to a viewer or imager. Motion data is acquired for the organ of interest and/or for one or more proximate organs using sensor-based and/or image data-based techni... | 07/13/2010 |
| 7738943 | System and method for identifying periodic motion complexes for MR imaging triggering A system and method for MR imaging is disclosed that includes an MRI system having a plurality of gradient coils positioned about a bore of a magnet to impress a polarizing magnetic field and an RF transceiver system and an RF switch controlled by a pulse module to ... | 06/15/2010 |
| 7702376 | Method for ECG-triggering a measuring sequence of a magnetic resonance device Method for ECG triggering a measuring sequence of a magnetic resonance device, with ECG signals of a patient being detected over two channels, with the triggering of the measuring sequence being carried out when the ECG signal of at least one channel, said ECG signa... | 04/20/2010 |
| 7702377 | Magnetic resonance imaging A magnetic resonance imaging method involves detection of a series of trigger events and acquisition of successive segments of magnetic resonance signals from respective segments of k-space. The occurrence of the next trigger event is predicted, e.g. by way of a run... | 04/20/2010 |
| 7693569 | Method and system of determining motion in a region-of-interest directly and independently of k-space trajectory A system and method for determining motion in a region-of-interest directly from MR data acquired from the region-of-interest and independently of k-space trajectory are disclosed. ... | 04/06/2010 |
| 7684847 | Magnetic resonance imaging method and apparatus When performing imaging in synchronization with a biological movement of an examinee by using a pulse sequence applying a pre-saturation pulse, it is possible to reduce irregularities of echo signal intensity and artifact on the image generated by the irregularities... | 03/23/2010 |
| 7684848 | Magnetic resonance imaging apparatus and magnetic resonance imaging apparatus control method Data acquisition based on the same MRI encoding pattern is repeated at least once for each R wave occurring at time T0 used as a trigger. The necessary number of data for image reconstruction are extracted as subsets of a complete MRI data set from the re... | 03/23/2010 |
| 7623901 | Magnetic resonance imaging needing a long waiting time between pre-pulses and imaging pulse train In the black blood method using a double inversion pulse, images in the systole of the cardiac cycle can be captured in a reliable manner even in the presence of a cycle-to-cycle variance in the heart beat cycle. A pulse sequence of the black blood method composed o... | 11/24/2009 |
| 7620441 | Method and device for improved ECG triggering The invention relates to a method and a device for improved imaging by means of ECG triggering. A first trigger time A and a second trigger time B, as well as a threshold value for the heart rate variability is determined with the method according to the invention. ... | 11/17/2009 |
| 7590440 | System and method for anatomy labeling on a PACS Certain embodiments of the present invention provide a system and method for image registration and display of relevant information. The method includes identifying one or more anatomical parts in an acquired image, mapping the acquired image to a reference image ba... | 09/15/2009 |
| 7509157 | MRI method A method of operating a magnetic resonance imaging scanner for imaging the heart of a patient comprising inducing apnoea in the patient; sensing an electrical heart waveform; in response thereto moving the chest wall of the patient to a desired location; and trigger... | 03/24/2009 |
| 7480527 | Magnetic resonance imaging method and apparatus with non-selective excitation of the examination subject In a magnetic resonance imaging apparatus and a method for operating the apparatus, a trueFISP sequence is used, but is modified to employ non-selective, rectangular radio frequency pulses. The use of non-selective excitation pulses reduces the sensitivity to off-re... | 01/20/2009 |
| 7454241 | Method for cardiac magnetic resonance imaging The invention relates to a method for cardiac magnetic resonance imaging. The method comprises the steps of monitoring the ECG of a patient and detecting the occurrence of R-waves (R1, R2, R3) in the ECG, acquiring a plurality of pha... | 11/18/2008 |
| 7447536 | System and method for measurement of local lung function using electron beam CT Certain embodiments include a method and system for measuring and imaging local lung function. The method includes triggering an image scan of at least a lung cross-section of a patient, scanning the lung cross-section during at least one of an inspiration and an ex... | 11/04/2008 |
| 7423429 | Apparatus and associated method that integrate the modalities of diagnosis and therapy to treat, in principle, pathologies generically identified as Cancer and HIV/AIDS Diagnostic and Therapy apparatus and methods use non-ionizing radiations which are based on integration of nuclear magnetic resonance and radiation manipulation. Quantitative diagnostics integrate the following devices: manual control digital filter/selector (18 | 09/09/2008 |
| 7418287 | Magnetic resonance imaging method with accelerated data acquisition A method of dynamic magnetic resonance imaging comprising acquiring undersampled magnetic resonance signals for successive temporal time slots. In a space spanned by geometrical space and temporal frequency and on the basic of a priori information the aliased differ... | 08/26/2008 |
| 7418288 | Method software and apparatus for acquiring MR-image data pertaining to a moving organ A method for acquiring MR image data pertaining an organ, moving between a first extreme and a second extreme position such as in motion due to breathing of the patient to be examined. A scout film is registered of the organ concurrently with the registration of a s... | 08/26/2008 |
| 7412277 | Multi-slice MR data acquisition in successive heartbeats with black blood contrast The invention includes a technique for efficient multi-slice image acquisition with black blood contrast in cardiac imaging such that MR data is acquired in each R-R interval of a cardiac cycle. The technique includes applying a non-selective inversion pulse, follow... | 08/12/2008 |
| 7389136 | Method and system using a non-electrical sensor for gating A method and system of gating for a medical imaging system includes utilizing a non-electrical sensor to acquire information for gating. A sensor assembly usable in the method and system of gating may include a non-electrical sensor coupled to one side of a patient-... | 06/17/2008 |
| 7383074 | System and method for real-time localization for gated MR imaging A system and method for MR imaging is disclosed that includes displaying a series of MR images of an ROI in real-time and localizing a slice within the ROI. The method also includes using a parallel imaging technique to acquire gated MR data from the localized slice... | 06/03/2008 |
| 7383075 | Real-time localization monitoring, triggering, and acquisition of 3D MRI A technique embodied in a method and apparatus is disclosed for acquiring MR images in 2D and 3D using a common pulse sequence switchable in real-time. The technique includes identifying a 3D imaging volume and applying a 3D pulse sequence having the slice encoding ... | 06/03/2008 |
| 7369639 | Method and tomography unit for taking tomographic pictures of a beating heart A method and a tomography unit are disclosed for taking tomographic pictures of a patient's beating heart, in particular X-ray CT pictures. In such a method and tomography unit, only detector data or image data of a portion of the cardiac phase from one or more hear... | 05/06/2008 |
| 7369887 | Rapid multislice black blood double-inversion recovery technique for blood vessel imaging DIR imaging of blood vessels by administering a series of DIR preparation pulse modules at a repetition interval short enough that at least two DIR preparation pulse modules generally occur within each RR interval, and by acquiring image data for a plurality of slic... | 05/06/2008 |
| 7367953 | Method and system for determining a period of interest using multiple inputs One or more techniques are provided for identifying a period of minimal motion for an organ of interest, such as the heart or lungs. Motion data is acquired for the organ of interest and for one or more proximate organs using sensor-based and/or image-based techniqu... | 05/06/2008 |
| 7365543 | Magnetic resonance imaging apparatus and magnetic resonance imaging method An MRI apparatus includes an imaging signal acquisition unit, a motion signal acquisition unit, a motion amount determination unit, a motion correction unit and an image reconstruction unit. The imaging signal acquisition unit acquires MR signals as imaging signals.... | 04/29/2008 |
| 7359535 | Systems and methods for retrospective internal gating A method for retrospective internal gating is described. The method includes acquiring images at multiple z-locations z1 . . . zn and at different times t1 . . . tn at each of the z-locations, and reordering the images at ... | 04/15/2008 |
| 7346383 | Method for acquiring MRI data from variable fields of view during continuous table motion MRA data is acquired from a large region of interest by translating the patient through the bore of the MRI system as a three-dimensional MRA data set are acquired. The pulse sequence is altered during the scan to change the lateral FOVL of the acquired i... | 03/18/2008 |
| 7343193 | Background suppression method for time-resolved magnetic resonance angiography A 3D projection reconstruction pulse sequence is employed during a CEMRA dynamic study to acquire a time course series of k-space data sets. Signals from non-vascular voxels are suppressed by reconstructing a corresponding series of low resolution images using the c... | 03/11/2008 |
| 7333846 | Method and apparatus for functional magnetic resonance imaging In a method and a magnetic resonance apparatus for functional imaging, a number of images without and with a designational stimulation of the examination subject are sequentially registered in successive alternation, and an information value that indicates whether t... | 02/19/2008 |
| 7328054 | Perfusion magnetic resonance imaging using encoded RF tagging pulses A perfusion image is produced by acquiring a series of time course MR images from an imaging slice. During the acquisition spins flowing into the slice are repeatedly tagged with an RF tagging pulse having a flip angle that is modulated according to a tagging patter... | 02/05/2008 |
