Magnetic Resonance Imaging (MRI) is one of the primary tools in medical diagnostics. These new conductors, even when they meet the above requirements, will likely require numerous modifications and developments in the associated magnet technology. In-situ MgB 2 is, perhaps, the closest to meeting commercial and technical requirements to become suitable for commercial MRI.Ĭonductor technology is an important, but not the only, issue in introduction of HTS / MgB 2 conductor into commercial MRI magnets. the ability to carry significant current without damage while in the resistive state (c) insulation which is compatible with manufacturing and refrigeration technologies (d) dramatic increases in production and long-length quality control, including large-volume conductor manufacturing technology. Preferably, similar conductors should be available from multiple vendors (b) conductors with improved quench characteristics, i.e. The key needs include the development of, or significant improvements in: (a) conductors specifically designed for MRI applications, with form-fit-and-function readily integratable into the present MRI magnet technology with minimum modifications. In some cases, the prospects for developing an MRI-ready conductor are more favorable, but significant developments are still needed.
For some conductors, MRI specifications will be difficult to achieve in principle. The analysis shows that no MRI-ready non-NbTi conductor is commercially available at the moment. Potential conductor candidates include MgB 2, ReBCO and BSCCO options. In this paper, we analyze conductor requirements for commercial MRI magnets beyond traditional NbTi conductors, while avoiding links to a particular magnet configuration or design decisions. The magnet configuration is determined by competing requirements including optimized functional performance, patient comfort, ease of siting in a hospital environment, minimum acquisition and lifecycle cost including service. The superconducting magnet is the largest and most expensive component of an MRI system. Magnetic Resonance Imaging (MRI), a powerful medical diagnostic tool, is the largest commercial application of superconductivity.
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