Patent application number | Description | Published |
20090102480 | SHIMMING OF ELECTRIC FIELD FOR ELECTRIC PROPERTIES TOMOGRAPHY - A radio frequency coil system ( | 04-23-2009 |
20090251144 | MAGNETIC RESONANCE IMAGING SYSTEM AND METHOD - The present invention relates to a magnetic resonance imaging system ( | 10-08-2009 |
20100136929 | METHOD AND MULTI-CHANNEL RF TRANSMITTER ARRANGEMENT FOR GENERATING RF FIELDS - A multi-channel RF transmitter arrangement in the form of, or comprising, a plurality RF antennas, antenna elements, coils or coil elements ( | 06-03-2010 |
20100141259 | METHOD AND RF TRANSMITTER ARRANGEMENT FOR GENERATING RF FIELDS - A multi-channel RF transmitter arrangement comprising a plurality of RF transmitter elements (e) like RF antennas, antenna elements, coils or coil elements, for generating an RF field, especially for use in a magnetic resonance imaging (MRI) system for exciting nuclear magnetic resonances (NMR), and a method for generating such an RF field is disclosed. The RF transmitter elements (e) are segmented in a plurality of segments (s | 06-10-2010 |
20110156704 | B1-MAPPING AND B1L-SHIMMING FOR MRI - The invention relates to a method of acquiring MRI image data comprising the following steps: performing a 3-dimensional B1 mapping of a first volume using a first voxel size, selecting an MRI protocol, performing the B1-shim in accordance with the MRI protocol, performing the MRI protocol to acquire MRI imaging data of a second volume using a second voxel size, wherein the first voxel size is larger than the second voxel size, wherein the first volume is larger than the second volume, and wherein the second volume is contained within the first volume. | 06-30-2011 |
20120126800 | APPARATUS AND METHOD FOR DETERMINING AT LEAST ONE ELECTROMAGNETIC QUANTITY - The present invention relates to an apparatus ( | 05-24-2012 |
20120153950 | RF SHIMMED MRI SLICE EXCITATION ALONG A CURVED SPOKE K-SPACE TRAJECTORY - A radio-frequency (RF) shimming apparatus ( | 06-21-2012 |
20120169333 | MOTION MONITORING SYSTEM FOR MONITORING MOTION WITHIN A REGION OF INTEREST - The invention relates to a motion monitoring system ( | 07-05-2012 |
20120179023 | MR IMAGING USING MULTI-CHANNEL RF EXCITATION - The invention relates to a magnetic resonance imaging apparatus comprising an array of two or more RF antennas ( | 07-12-2012 |
20120262174 | METHOD FOR CALCULATING LOCAL SPECIFIC ENERGY ABSORPTION RATE (SAR) IN NUCLEAR MAGNETIC RESONANCE - A method for calculating a local specific energy absorption rate (SAR) on basis of an electric parameter and the mass density of a segmented geometry of an object and a magnetic field vector distribution of a radio frequency (RF) antenna. The values of the electric parameter and the mass density are pre-determined values, while the magnetic field vector distribution is estimated by a magnetic field mapping method based on a magnetic resonance (MR) scan. The magnetic field mapping method based on a magnetic resonance scan can be a Bi mapping method. The invention also relates to a magnetic resonance system by means of which SAR calculation can be done in a relatively short period of time. The invention also relates to a computer program comprising instructions for calculating a local specific energy absorption rate (SAR) according to the above mentioned method. The SAR calculation used in the above mentioned method, system and program is done in the relatively short period of time and as such is practicable in a clinical setting. | 10-18-2012 |
20120306493 | ELECTRIC PROPERTIES TOMOGRAPHY IMAGING METHOD AND SYSTEM - The invention relates to a magnetic resonance method of electric properties tomography imaging of an object, the method comprising: applying an excitation RF field to the object via a coil at a first spatial coil position ( | 12-06-2012 |
20130131433 | THERAPEUTIC APPARATUS - The invention provides for a therapeutic apparatus comprising a tissue heating system ( | 05-23-2013 |
20150051475 | TEMPERATURE DETERMINATION USING B1 FIELD MAPPING - A medical apparatus ( | 02-19-2015 |