| Patent Number |
Title Of Patent |
Date Issued |
| RE32689 |
Apparatus and method for nuclear magnetic resonance scanning and mapping |
June 7, 1988 |
| An improved apparatus and method for analyzing the chemical and structural composition of a specimen including whole-body specimens which may include, for example, living mammals, utilizing nuclear magnetic resonance (NMR) techniques. A magnetic field space necessary to obtain an NMR sig |
| RE32619 |
Apparatus and method for nuclear magnetic resonance scanning and mapping |
March 8, 1988 |
| An improved apparatus and method for analyzing the chemical and structural composition of a specimen including whole-body specimens which may include, for example, living mammals, utilizing nuclear magnetic resonance (NMR) techniques. A magnetic field space necessary to obtain an NMR sig |
| 7560929 |
Ferromagnetic frame magnet with superconducting coils |
July 14, 2009 |
| A magnetic resonance imaging magnet includes a ferromagnetic frame. A pair of generally toroidal superconducting coil units overlie interfaces of side walls incorporated in the frame. Each coil unit may include a vessel having hollow support extensions extending into recesses in the side |
| 7560928 |
Magnetic resonance imaging system, apparatus and associated methods |
July 14, 2009 |
| In one aspect, a magnet comprising a pair of pole supports spaced apart from one another and extending in a generally horizontal direction. The magnet includes a pair of flux return members extending between the pole supports so as to define a frame, each of the flux return members i |
| 7504827 |
MRI test fixture |
March 17, 2009 |
| A test fixture for testing and monitoring electromagnetic characteristics of a magnetic resonance imaging ("MRI") system preferably comprises a body portion having a first longitudinal axis and a first coil supported by the body portion. A longitudinal member is preferably connected to t |
| 7378846 |
Magnetic resonance imaging method and apparatus for scanning a child |
May 27, 2008 |
| In one aspect the present invention is a method for imaging an infant or minor in a magnetic resonance imaging apparatus. The method preferably comprises positioning an adult in the patient-receiving space or gap of a magnet and affixing a minor, child or infant with an appropriate anten |
| 7375521 |
Positional magnetic resonance imaging |
May 20, 2008 |
| A patient is examined by magnetic resonance imaging in different positions relative to gravity by moving the patient relative to the magnet, and the acquired data is compared to show differences in anatomy due to differences in patient position. Individual data elements or groups of |
| 7343191 |
MRI system |
March 11, 2008 |
| In one example, an illumination system is provided in an MRI system including an open MRI assembly comprising a pole covered by a canopy. The MRI system is within a shielded room. A light source is provided outside of the shielded room, at least one light projector is connected to the |
| 7268553 |
Method and apparatus for magnetic resonance imaging |
September 11, 2007 |
| Magnet assembly for use in medical magnetic resonance imaging includes means for increasing flux generation in the gap region to provide the capability of scanning smaller volume regions of a patient at increased levels of scanning resolution. The means for increasing flux generation |
| 7196519 |
Stand-up vertical field MRI apparatus |
March 27, 2007 |
| Apparatus and method for magnetic resonance imaging. In an aspect, the present invention is an apparatus for magnetic resonance imaging that includes a short bore magnet that is oriented such that, when energized, a static magnetic field is created in a substantially vertical direction. |
| 7193494 |
Shim pieces for a magnetic resonance imaging magnet |
March 20, 2007 |
| A method for producing a shim piece for a magnetic resonance imaging (MRI) magnet. The shim piece is used to form a shim of a magnet and is designed to suppress eddy currents in the shim created by the introduction of a gradient magnetic field. The shim piece is formed by a plurality of |
| 7127802 |
Method of fabricating a composite plate |
October 31, 2006 |
| A method for fabricating a composite plate for a magnetic resonance imaging magnet. The method including cutting a starting plate having oppositely-directed major surfaces into a plurality of strips. Each of the strips having a width of approximately greater than 9 inches and faces w |
| 7123008 |
Positional magnetic resonance imaging |
October 17, 2006 |
| A patient is examined by magnetic resonance imaging in different positions relative to gravity by moving the patient relative to the magnet, and the acquired data is compared to show differences in anatomy due to differences in patient position. Individual data elements or groups of |
| 7102353 |
Magnetic resonance imaging apparatus having moving magnets |
September 5, 2006 |
| An apparatus and method for magnetic resonance imaging comprising a magnet and means for vertically moving the magnet so as to obtain an image of a portion of a patient's anatomy. |
| 6975117 |
Method and apparatus for magnetic resonance imaging |
December 13, 2005 |
| Magnet assembly for use in medical magnetic resonance imaging includes means for increasing flux generation in the gap region to provide the capability of scanning smaller volume regions of a patient at increased levels of scanning resolution. The means for increasing flux generation is |
| 6973711 |
Method for making pieces for a magnetic resonance imaging magnet |
December 13, 2005 |
| A method for producing a shim piece for a magnetic resonance imaging (MRI) magnet. The shim piece is used to form a shim of a magnet and is designed to suppress eddy currents in the shim created by the introduction of a gradient magnetic field. The shim piece is formed by a plurality of |
| 6922055 |
Method for conducting magnetic resonance imaging |
July 26, 2005 |
| Magnet assembly for use in medical magnetic resonance imaging includes means for increasing flux generation in the gap region to provide the capability of scanning smaller volume regions of a patient at increased levels of scanning resolution. The means for increasing flux generation is |
| 6848170 |
Method for fabricating a ferromagnetic plate |
February 1, 2005 |
| A magnet for magnetic resonance imaging has an interior working space within the magnet frame sufficient to accommodate a physician and a patient. Because the physician is positioned inside the magnet frame, the physician has unimpeded access to the patient. Elements of the magnet fr |
| 6847210 |
MRI antenna |
January 25, 2005 |
| Antennas for use in magnetic resonance imaging ("MRI") comprise a coaxial cable unit having an inner conductor tuned to a frequency, typically the Larmor frequency of the species of interest, and an outer conductor substantially surrounding the inner conductor and also tuned to the f |
| 6828792 |
MRI apparatus and method for imaging |
December 7, 2004 |
| Apparatus and methods for performing magnetic resonance imaging. In an embodiment the apparatus comprises a pair of elements spaced apart from each other along a horizontal pole axis so as to define a patient receiving space therebetween. A patient support device is located within th |
| 6677753 |
Stand-up MRI apparatus |
January 13, 2004 |
| A magnet for magnetic resonance imaging has a box-like ferromagnetic frame with vertical side walls, poles connected to the side walls and top and bottom walls forming flux return structures between the side walls. The frame has open front and rear sides defining patient entry openings, |
| 6621267 |
Nuclear magnetic resonance apparatus and methods of use and facilities for incorporating the sam |
September 16, 2003 |
| NMR apparatus for achieving construction of improved patient access desirably including a generally C-shaped yoke, and devices for reducing the field asymmetry caused by the C-shaped yoke. |
| 6617852 |
MRI apparatus |
September 9, 2003 |
| A magnet for magnetic resonance imaging has an interior working space within the magnet frame sufficient to accommodate a physician and a patient. Because the physician is positioned inside the magnet frame, the physician has unimpeded access to the patient. Elements of the magnet fr |
| 6544041 |
Simulator for surgical procedures |
April 8, 2003 |
| A simulator for use in the training of surgeons is disclosed. The simulator utilizes information defining the position of a surgical tool or probe used by the surgeon trainee relative to a mannequin corresponding to a living mammalian subject such as a human or non-human mammal. The |
| 6541973 |
MRI apparatus |
April 1, 2003 |
| A magnet for magnetic resonance imaging has an interior working space within the magnet frame sufficient to accommodate a physician and a patient. Because the physician is positioned inside the magnet frame, the physician has unimpeded access to the patient. Elements of the magnet fr |
| 6522145 |
Magnetic resonance imaging with patient positioning and surgery |
February 18, 2003 |
| NMR apparatus for achieving construction of improved patient access. Facilities and methods of mobile and fixed site scanning. |
| 6507192 |
Nuclear magnetic resonance apparatus and methods of use and facilities for incorporating the sam |
January 14, 2003 |
| NMR apparatus for achieving construction of improved patient access. Facilities and methods of mobile and fixed site scanning. |
| 6504371 |
MRI magnet with enhanced patient entry and positioning |
January 7, 2003 |
| A magnetic resonance imaging (MRI) magnet in combination with a mobile patient-positioning device, including a patient support and a method of using same for positioning patients for MRI scanning. The patient support is rotatable through a range of orientations from a horizontal to a |
| 6496007 |
MRI apparatus |
December 17, 2002 |
| A magnet for magnetic resonance imaging has an interior working space within the magnet frame sufficient to accommodate a physician and a patient. Because the physician is positioned inside the magnet frame, the physician has unimpeded access to the patient. Elements of the magnet fr |
| 6469508 |
MRI apparatus |
October 22, 2002 |
| A method of fabricating a coil for a magnetic resonance imaging magnet is disclosed. The method includes providing a plurality of windings each having an axis. A conductor is arranged in a plurality of turns extending in a spiral between the inner end and the outer end of the windings. T |
| 6456075 |
MRI magnet with enhanced patient entry and positioning |
September 24, 2002 |
| A magnetic resonance imaging (MRI) magnet in combination with a mobile patient-positioning device, including a patient support and a method of using same for positioning patients for MRI scanning. The patient support is rotatable through a range of orientations. The patient disposed on t |
| 6445186 |
MRI apparatus |
September 3, 2002 |
| A magnet for magnetic resonance imaging has an interior working space within the magnet frame sufficient to accommodate a physician and a patient. Because the physician is positioned inside the magnet frame, the physician has unimpeded access to the patient. Elements of the magnet fr |
| 6445185 |
Nuclear magnetic resonance apparatus and methods of use and facilities for incorporating the sam |
September 3, 2002 |
| NMR apparatus for achieving construction of improved patient access. Facilities and methods of mobile and fixed site scanning. |
| 6437571 |
MRI apparatus |
August 20, 2002 |
| A magnet for magnetic resonance imaging has an interior working space within the magnet frame sufficient to accommodate a physician and a patient. Because the physician is positioned inside the magnet frame, the physician has unimpeded access to the patient. Elements of the magnet fr |
| 6414490 |
MRI magnet with enhanced patient entry and positioning |
July 2, 2002 |
| A magnetic resonance imaging (MRI) magnet in combination with a mobile patient-positioning device, including a patient support and a method of using same for positioning patients for MRI scanning. The patient support is rotatable through a range of orientations from a horizontal to a |
| 6404202 |
MRI magnet with enhanced patient entry and positioning |
June 11, 2002 |
| A magnetic resonance imaging (MRI) magnet in combination with a mobile patient-positioning device, including a patient support and a method of using same for positioning patients for MRI scanning. The patient support is rotatable through a range of orientations. The patient disposed on t |
| 6400156 |
Nuclear magnetic resonance apparatus and methods of use and facilities for incorporating the sam |
June 4, 2002 |
| NMR apparatus for achieving construction of improved patient access. Facilities and methods of mobile and fixed site scanning. |
| 6373251 |
Nuclear magnetic resonance apparatus and methods of use and facilities for incorporating the sam |
April 16, 2002 |
| NMR apparatus for achieving construction of improved patient access. Facilities and methods of mobile and fixed site scanning. |
| 6369571 |
MRI apparatus |
April 9, 2002 |
| A magnet for magnetic resonance imaging has an interior working space within the magnet frame sufficient to accommodate a physician and a patient. Because the physician is positioned inside the magnet frame, the physician has unimpeded access to the patient. Elements of the magnet fr |
| 6366094 |
Control of MRI system |
April 2, 2002 |
| A personal computer or "PC" based software control system for a magnetic resonance imaging or "MRI" scanner. The software control system manages various types of MRI scanners without modification of the software control system. The control system manages the scanning process through a de |
| 6346816 |
Method and apparatus for magnetic resonance imaging |
February 12, 2002 |
| Magnet assembly for use in medical magnetic resonance imaging includes means for increasing flux generation in the gap region to provide the capability of scanning smaller volume regions of a patient at increased levels of scanning resolution. The means for increasing flux generation is |
| 6335623 |
MRI apparatus |
January 1, 2002 |
| A magnet for magnetic resonance imaging has an interior working space within the magnet frame sufficient to accommodate a physician and a patient. Because the physician is positioned inside the magnet frame, the physician has unimpeded access to the patient. Elements of the magnet fr |
| 6288546 |
Nuclear magnetic resonance apparatus and methods of use and facilities for incorporating the sam |
September 11, 2001 |
| NMR apparatus for achieving construction of improved patient access. Facilities and methods of mobile and fixed site scanning. |
| 6280383 |
Magnetic resonance imaging |
August 28, 2001 |
| The present invention is a method of studying tissue metabolism with ordinary oxygen. First, a magnetic resonance image of the tissue of interest is acquired. Oxygen, predominantly in the form of oxygen-16, is then delivered to the tissue. A magnetic resonance image of the tissue of |
| 6249695 |
Patient movement during image guided surgery |
June 19, 2001 |
| A interventional procedure is performed by advancing a probe into a patient and periodically acquiring magnetic resonance images depicting the probe and adjacent portions of the patient's body. The patient, or a part of the patient, is reoriented during the procedure to facilitate advanc |
| 6229310 |
Magnetic resonance imaging excitation and reception methods and apparatus |
May 8, 2001 |
| In magnetic resonance imaging ("MRI"), RF power is applied to a region of interest within the patient by a local antenna disposed adjacent the region of interest. The local antenna is excited by RF signals sent through free space from a principal antenna mounted to the primary field |
| 6225805 |
Nuclear magnetic resonance apparatus and methods of use and facilities for incorporating the sam |
May 1, 2001 |
| NMR apparatus for achieving construction of improved patient access. Facilities and methods of mobile and fixed site scanning. |
| 6208145 |
MRI apparatus |
March 27, 2001 |
| A magnet for magnetic resonance imaging has an interior working space within the magnet frame sufficient to accommodate a physician and a patient. Because the physician is positioned inside the magnet frame, the physician has unimpeded access to the patient. Elements of the magnet fr |
| 6201394 |
MRI apparatus |
March 13, 2001 |
| A magnet for magnetic resonance imaging has an interior working space within the magnet frame sufficient to accommodate a physician and a patient. Because the physician is positioned inside the magnet frame, the physician has unimpeded access to the patient. Elements of the magnet fr |
| 6165139 |
Remotely steerable guide wire with external control wires |
December 26, 2000 |
| Patient treatment is carried out under magnetic resonance imaging (MRI) guidance. The treated region of anatomy may be a joint, an organ or other tissue, or a tumor. Instruments which can be guided by MRI allow the treated region of anatomy to be reached along a selected path, curved or |
