Abstract #4331

A Compact Affordable Three-Bore Cryogen-Free Superconducting Magnet for Extremity Imaging

Shahin Pourrahimi¹, Jerome L. Ackerman^2,3, John E. C. William¹, Nadder Pourrahimi¹, and Alexey Kaplan¹

¹Superconducting Systems, Inc., Billerica, MA, United States, ²Martinos Center, Dept of Radiology, Massachusetts General Hospital, Charlestown, MA, United States, ³Department of Radiology, Harvard Medical School, Boston, MA, United States

In a project to develop a compact MRI limb scanner for orthopedic and metabolic bone disease applications we developed a three-bore 1.5T magnet with the following design goals: ability to operate the magnet in a small point-of-care space, elimination of liquid cryogens for installation or operation, a comfortable patient experience while scanning knees, ability to tilt the magnet to accommodate patients rather than requiring patients to accommodate to the magnet, and capability for conventional and solid state proton and phosphorus MRI for metabolic bone disease assessment.

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