Patent application number | Description | Published |
20080272784 | Magnetic Resonance Imaging Device and Method for Operating a Magnetic Resonance Imaging Device - The present invention relates to a magnetic resonance imaging (MRI) device and to a method for operating it. The basic components of an MRI device are the main magnet system ( | 11-06-2008 |
20080287773 | Mri Thermometry Involving Phase Mapping and Reference Medium Used as Phase Reference - The apparatus | 11-20-2008 |
20090137896 | MAGNETIC RESONANCE DEVICE AND METHOD - The invention relates to a device for MR imaging of a body ( | 05-28-2009 |
20090192383 | METHOD AND DEVICE FOR OBTAINING INFORMATION ABOUT A MAMMALIAN BODY - This invention relates to a device for retrieving information about one or more states of a mammalian body comprising: (a) a magnetic resonance imaging device comprising a first set of one or more radio-frequency coils for measuring the body temperature Ti at a selected location of a mammalian body, (b) a local heating means including a second set of one or more radio-frequency coils, said second set comprising at least two channels for delivering focused radio frequency energy to said selected location of said mammalian body and raising the temperature Ti thereof, and (c) means for modulating said radio-frequency energy delivered by said second set of coils as a function of said temperature Ti in order to reach and maintain a predefined temperature Tp above the normal mammalian body temperature Tb. | 07-30-2009 |
20100106008 | MAGNETIC RESONANCE IMAGING SYSTEM AND METHOD - It is an object of the present invention to provide a MRI technique, in which the influence of physiological factors such as respiration and cardiac pulsation on MRI results is reduced or removed. The object of the present invention is achieved by a magnetic resonance imaging system ( | 04-29-2010 |
20100253334 | MAGNETIC RESONANCE SYSTEM WITH COOLING SYSTEM AND MONITORING OF HELIUM PRESSURE - A magnetic resonance examination system comprises a main magnet with superconducting coils to generate a main magnetic field and a gradient system to apply a gradient magnetic field superposed on the main magnetic field. A cooling system cools the superconducting coils to below their critical superconductivity temperature. A transfer monitor assesses the transfer of energy from the gradient system to the cooling system. The transfer monitor being configured to measure pressure changes in the cooling system. This leads to a simple manner to evaluate the transfer of energy from the gradient coils into the cooling system. | 10-07-2010 |
20110043205 | REAL-TIME LOCAL AND GLOBAL SAR ESTIMATION FOR PATIENT SAFETY AND IMPROVED SCANNING PERFORMANCE - In a method and apparatus to enable increased RF duty cycle in high field MR scans, a specific energy absorption rate (SAR) calculation processor ( | 02-24-2011 |
20110128000 | MULTI-CHANNEL MAGNETIC RESONANCE IMAGING AND SPECTROSCOPY - A magnetic resonance (MR) system comprising multiple radio-frequency (RP) coils ( | 06-02-2011 |
20110316539 | ANTENNA ARRAY COMPRISING AT LEAST ONE DIPOLE ANTENNA FOR MAGNETIC RESONANCE IMAGING - An antenna array adapted for magnetic resonance imaging, wherein the antenna array comprises at least one antenna element, wherein each antenna element comprises:-a substrate with a first side and a second side, wherein the substrate comprises a dielectric material,-at least one dipole antenna, wherein the dipole antenna is attached to the second side of the substrate, wherein the dipole antenna comprises a first connection adapted for connecting the dipole antenna to a transmission line. | 12-29-2011 |
20120013337 | SAR HOTSPOT REDUCTION BY TEMPORAL AVERAGING IN PARALLEL TRANSMISSION MRI - A magnetic resonance sequence includes a repetitively applied radiofrequency B | 01-19-2012 |
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 |
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 |
20140249401 | APPARATUS AND METHOD FOR MR EXAMINATION, AND TEMPERATURE CONTROL SYSTEM AND METHOD - The invention provides an apparatus ( | 09-04-2014 |