Patent application number | Description | Published |
20080204028 | MAGNETIC RESONANCE COIL SYSTEM - A magnetic resonance coil system | 08-28-2008 |
20090021255 | APPARATUS AND METHOD FOR CRYOGENICALLY COOLING A COIL ON A MAGNETIC RESONANCE IMAGING SYSTEM - A magnetic resonance imaging system ( | 01-22-2009 |
20090102484 | BANDWIDTH EXPANSION IN MAGNETIC RESONANCE - 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 the sample. The RF coil is formed from tubing that serves as a cooling conduit through which flows a cooling fluid provided by a cooling source. The cooling fluid cools the RF coils to improve imaging of the sample. | 04-23-2009 |
20100066367 | Integrated Superconductor MRI Imaging System - The present invention relates to an integrated magnetic resonance imaging (MRI) RF apparatus and method of constructing the same. One Embodiment of the present invention provides an MRI apparatus comprising an examination region, a patient support, at least one vacuum thermal isolation housing, a main magnet system for generating a main magnetic field in the examination region, and a cryogenic system. The vacuum thermal isolation housing comprises a hermetically sealed high vacuum jacket that encloses a low vacuum space hosting at least one superconductor RF coil and a heat sink assembly therein. The RF coil is in thermal contact with the heat sink assembly that is coupled to the cryogenic system through a heat pipe to achieve and maintain a desired low temperature at the superconductor RF coil. | 03-18-2010 |
20100066368 | Dedicated Superconductor MRI Imaging System - The present invention relates to dedicated superconductor magnetic resonance imaging (MRI) RF apparatus and method of constructing the same. One Embodiment of the present invention provides an MRI breast imaging apparatus comprising an examination region, a patient support, at least one vacuum thermal isolation housing, a main magnet system, and a cryogenic system. The vacuum thermal isolation housing comprises a low vacuum space between at least one inner and an outer high vacuum enclosure. The low vacuum space hosts at least one superconductor RF coil and a heat sink assembly therein. The RF coil is in thermal contact with the heat sink assembly that is coupled to the cryogenic system through a heat pipe to achieve and maintain a desired low temperature at the superconductor RF coil. The system provides a local examination region substantially surrounded by the superconductor RF coil. | 03-18-2010 |
20100321020 | BANDWIDTH EXPANSION IN MAGNETIC RESONANCE - An apparatus for use in a magnetic resonance examination includes a radio frequency receive coil ( | 12-23-2010 |
20150077116 | Superconductor RF Coil Array - A superconducting RF coil array which may be used in whole body MRI scanners and/or in dedicated MRI systems. Some embodiments provide a superconducting RF coil array for at least one of receiving signals from and transmitting signals to a sample during magnetic resonance analysis of the sample, the superconducting RF coil array comprising a thermally conductive member configured to be cryogenically cooled, and a plurality of coils elements comprising superconducting material, wherein each coil element is thermally coupled to the thermally conductive member and is configured for at least one of (i) receiving a magnetic resonance signal from a spatial region that is contiguous with and/or overlaps a spatial region from which at least one other of the plurality of coil elements is configured to receive a signal and (ii) transmitting a radiofrequency signal to a spatial region that is contiguous with and/or overlaps a spatial region to which at least one other of the plurality coil elements is configured to transmit a radiofrequency signal. | 03-19-2015 |