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A Current Amplifier for Local Coil Pre-amplification of NMR/MRI Signals

The magnetic resonance imaging (MRI) systems are used for a variety of imaging application. The present invention discloses an improving MRI device and method by amplifying signals received by resonant NMR coils of MRI systems. It utilizes positive feedback from low-noise Field-Effect Transistor to amplify the signal current that can be coupled out...

Published: 7/25/2024 | Inventor(s): Stephen Dodd, Alan Koretsky, Chunqi Qian, Joseph Murphy-Boesch

Keywords(s): AA3AXX, AA3B1X, AC1XXX, AMPLIFIER, Coil, Current, LOCAL, NMR/MRI, OfNMRIMRI, Pre-amplification, SIGNALS, VCXXXX, WBXXXX, WCXXXX, WIXXXX, XDXXXX, XFXXXX, YBXXXX, YCXXXX

Category(s): Collaboration Sought > Collaboration, Application > Research Materials, Application > Diagnostics, Application > Occupational Safety and Health, Application > Non-Medical Devices, Application > Medical Devices, TherapeuticArea > Oncology, Application > Software / Apps

Local Magnetization Spoiling Using a Gradient Insert for Reducing the Field of View in Magnetic Resonance Imaging

The present invention provides a method and device for eliminating alias artifacts encountered in MRI when the field of view is made smaller than the subject being imaged. Significant advantages accrue from reducing the field of view to a smaller region of interest. These include reduced imaging time, increased spatial and temporal resolution, and less...

Published: 7/25/2024 | Inventor(s): Steven Wolff, Robert Balaban, Han Wen, David Wiesler

Keywords(s): AA3B1X, AA3BXX, AA3XXX, AAXXXX, ALL DISEASES, AXXXXX, CSalata, diagnostic, Field, GENERAL MEDICINE, GRADIENT, IMAGING, INSERT, LOCAL, Magnetic, Magnetization, MRI, REDUCING, Resonance, SPOILING, VIEW

Category(s): Collaboration Sought > Licensing