Patents by Inventor BENJAMIN J. GERAGHTY

BENJAMIN J. GERAGHTY has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System and method for producing distortion free magnetic resonance images using dual-echo echo-planar imaging
    Patent number: 10605883
    Abstract: Described here are systems and methods for correcting magnetic resonance data for off-resonance effects arising from the use of a multi-echo echo planar imaging (“EPI”) pulse sequence. Reference data are acquired, from which phase maps are computed in a distorted coordinate space associated with geometric distortions associated with the multi-echo EPI acquisition. Images reconstructed from the magnetic resonance data are demodulated using the distorted phase maps to produce distortion free images of the subject. Advantageously, the systems and methods can be used to reconstruct distortion free images from magnetic resonance data that is otherwise prone to image distortions from off-resonance errors, including data acquired from hyperpolarized nuclear spin species such as hyperpolarized carbon-13.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: March 31, 2020
    Assignee: Sunnybrook Research Institute
    Inventors: Benjamin J. Geraghty, Charles H. Cunningham
  • System and Method for Producing Distortion Free Magnetic Resonance Images Using Dual-Echo Echo-Planar Imaging
    Publication number: 20170307717
    Abstract: Described here are systems and methods for correcting magnetic resonance data for off-resonance effects arising from the use of a multi-echo echo planar imaging (“EPI”) pulse sequence. Reference data are acquired, from which phase maps are computed in a distorted coordinate space associated with geometric distortions associated with the multi-echo EPI acquisition. Images reconstructed from the magnetic resonance data are demodulated using the distorted phase maps to produce distortion free images of the subject. Advantageously, the systems and methods can be used to reconstruct distortion free images from magnetic resonance data that is otherwise prone to image distortions from off-resonance errors, including data acquired from hyperpolarized nuclear spin species such as hyperpolarized carbon-13.
    Type: Application
    Filed: April 24, 2017
    Publication date: October 26, 2017
    Inventors: BENJAMIN J. GERAGHTY, CHARLES H. CUNNINGHAM