Patent application number | Description | Published |
20080197848 | Rf Volume Coil With Selectable Field of View - A radio frequency coil for magnetic resonance imaging or spectroscopy includes a plurality of generally parallel conductive members ( | 08-21-2008 |
20080265889 | Multiple-Channel Transmit Magnetic Resonance - In a transmit apparatus, a multi-channel radio frequency transmitter ( | 10-30-2008 |
20080312526 | HYBRID PET/MR IMAGING SYSTEMS - A hybrid imaging system includes a magnetic resonance scanner and a second modality imaging system disposed in the same radio frequency isolation space. The second modality imaging system includes radiation detectors configured to detect at least one of high energy particles and high energy photons. In some embodiments a retractable radio frequency screen is selectively extendible into a gap between the magnetic resonance scanner and the second modality imaging system. In some embodiments shim coils are disposed with the magnetic resonance scanner and are configured to compensate for distortion of the static magnetic field of the magnetic resonance scanner produced by proximity of the second modality imaging system. | 12-18-2008 |
20090102483 | MAGNETIC RESONANCE WITH TIME SEQUENTIAL SPIN EXCITATION - In a magnetic resonance scanner, a main magnet ( | 04-23-2009 |
20090195249 | MAGNETIC SHIELDING FOR A PET DETECTOR SYSTEM - A positron emission tomography (PET) detector ring comprising: a radiation detector ring comprising scintillators ( | 08-06-2009 |
20090201019 | MR INVOLVING HIGH SPEED COIL MODE SWITCHING BETWEEN I-CHANNEL LINEAR, Q-CHANNEL LINEAR, QUADRATURE AND ANTI-QUADRATURE MODES - Hybrid circuitry ( | 08-13-2009 |
20090209844 | PATIENT BED FOR PET/MR IMAGING SYSTEMS - A hybrid imaging system and a patient bed for same are disclosed. The hybrid imaging system includes a magnetic resonance scanner and a second modality imaging system spaced apart from the magnetic resonance scanner by a gap. In some embodiments, the gap is less than seven meters. The patient bed is disposed at least partially in the gap between the magnetic resonance scanner and the second modality imaging system, and includes a linearly translatable patient support pallet aligned to be selectively moved into an examination region of the magnetic resonance scanner for magnetic resonance imaging and into an examination region of the second modality imaging system for second modality imaging. In some embodiments, a linear translation range of the linearly translatable pallet is less than five times a length of the patient support pallet along the direction of linear translation. | 08-20-2009 |
20100026303 | DOUBLY RESONANT HIGH FIELD RADIO FREQUENCY SURFACE COILS FOR MAGNETIC RESONANCE - A radio frequency coil comprises an annular conductor or parallel annular conductors ( | 02-04-2010 |
20100033186 | SPLIT GRADIENT COIL AND PET/MTI HYBRID SYSTEM USING THE SAME - A generally cylindrical set of coil windings ( | 02-11-2010 |
20100060282 | THREE-DIMENSIONAL ASYMMETRIC TRANSVERSE GRADIENT COILS - A transverse magnetic field gradient coil includes a set of primary coil loops ( | 03-11-2010 |
20100117642 | SINUSOIDALLY RESONANT RADIO FREQUENCY VOLUME COILS FOR HIGH FIELD MAGNETIC RESONANCE APPLICATIONS - A radio frequency coil assembly includes an annular conductor ( | 05-13-2010 |
20100135559 | HYBRID MR/PET WITH CORRECTION FOR RADIATION ABSORPTION BY MR COIL - An imaging method comprises: acquiring magnetic resonance data of a subject using a magnetic resonance component ( | 06-03-2010 |
20100188082 | THERMALLY STABILIZED PET DETECTOR FOR HYBRID PET-MR SYSTEM - In a hybrid PET-MR system, PET detector elements ( | 07-29-2010 |
20100219347 | MR/PET IMAGING SYSTEMS - An imaging system includes positron emission tomography (PET) detectors ( | 09-02-2010 |
20100253333 | DUAL TUNED VOLUME COILS ADAPTED TO PROVIDE AN END RING MODE - A magnetic resonance coil includes parallel elongate conductive elements ( | 10-07-2010 |
20100290683 | MR-PET CYCLIC MOTION GATING AND CORRECTION - In preparation for acquiring PET image data, subject motion models are built based on physiologic signal monitoring and MR data is collected and used for improved PET imaging. The physiologic signal monitoring is also used during PET imaging, and the acquired MR data is used for prospective or retrospective gating of the PET image acquisition, or in the PET reconstruction for improved correction/imaging. | 11-18-2010 |
20110115483 | TRANSMIT/RECEIVE COIL FOR ULTRA-HIGH FIELD MRI - A magnetic resonance coil comprises a first set of coil elements ( | 05-19-2011 |
20120241631 | SPLIT GRADIENT COIL AND PET/MTI HYBRID SYSTEM USING THE SAME - A generally cylindrical set of coil windings includes primary coil windings and shield coil windings at a larger radial position than the primary coil windings, and an arcuate or annular central gap that is free of coil windings, has an axial extent of at least ten centimeters, and spans at least a 180° angular interval. Connecting conductors disposed at each edge of the central gap electrically connect selected primary and secondary coil windings. In a scanner setting, a main magnet is disposed outside of the generally cylindrical set of coil windings. In a hybrid scanner setting, an annular ring of positron emission tomography (PET) detectors is disposed in the central gap of the generally cylindrical set of coil windings. | 09-27-2012 |
20130106416 | ROUTER AND COIL ARRAY FOR ULTRA HIGH FIELD MRI | 05-02-2013 |
20140062486 | SPLIT GRADIENT COIL AND HYBRID SYSTEMS USING SAME - A generally cylindrical set of coil windings includes primary coil windings and shield coil windings at a larger radial position than the primary coil windings, and an arcuate or annular central gap that is free of coil windings, has an axial extent of at least ten centimeters, and spans at least a 180° angular interval. Connecting conductors disposed at each edge of the central gap electrically connect selected primary and secondary coil windings. In a scanner setting, a main magnet is disposed outside of the generally cylindrical set of coil windings. In a hybrid scanner setting, an annular ring of positron emission tomography (PET) detectors is disposed in the central gap of the generally cylindrical set of coil windings. | 03-06-2014 |