Patents Assigned to m2m Imaging Corporation
  • Apparatus and method for cryogenically cooling a coil on a magnetic resonance imaging system
    Patent number: 8115487
    Abstract: 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.
    Type: Grant
    Filed: July 19, 2010
    Date of Patent: February 14, 2012
    Assignee: m2m Imaging Corporation
    Inventors: Jon T. DeVries, Erzhen Gao, Wallace Kunimoto
  • Coil decoupling in magnetic resonance imaging
    Patent number: 8035382
    Abstract: A radio frequency coil array (50) includes at least first (501) and second (502) receive coils. A flux pipe (52) includes electrically connected first (2521) and second (2522) loop coils. The first (2521) and second (2522) loop coils are coupled to the respective first and second receive coils. The flux pipe (52) reduces mutual inductance between the first (501) and second (502) receive coils.
    Type: Grant
    Filed: November 22, 2005
    Date of Patent: October 11, 2011
    Assignee: m2m Imaging Corporation
    Inventors: Jon T. DeVries, Erzhen Gao, Ingmar Viohl, Greig Scott, Kamal Vij, Joseph R. Flicek
  • Bandwidth expansion in magnetic resonance
    Patent number: 8030932
    Abstract: An apparatus for use in a magnetic resonance examination includes a radio frequency receive coil (50) and adjustable tuning circuitry (51) for adjusting the resonant frequency of the receive coil. The apparatus also includes a preamplifier (29) which amplifies signals generated by the receive coil. An adjustable feedback circuit (31) alters an effective Q of the receive coil.
    Type: Grant
    Filed: August 23, 2010
    Date of Patent: October 4, 2011
    Assignee: m2m Imaging Corporation
    Inventors: Jon T. DeVries, Erzhen Gao, Ingmar Viohl, Greig Scott, Kamal Vij, Joseph R. Flicek