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Design and Simulation of a Helmholtz Coil for Magnetic Resonance Imaging and Spectroscopy Experiments with a 3T MR Clinical Scanner

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Abstract

Magnetic resonance imaging (MRI) and magnetic resonance spectroscopy (MRS) are non-invasive techniques for tissue characterization. MRI/MRS in small phantoms with a clinical magnetic resonance scanner requires the design and development of dedicated radiofrequency coils. This paper describes the simulation, design, and application of a 1H transmit/receive Helmholtz coil, suitable for MRI/MRS studies in small phantoms with a clinical 3T scanner. Coil inductance and resistance were analytically calculated by taking into account the conductors cross geometry while magnetic field and sample-induced resistance were calculated with magnetostatic approaches. Finally, the coil sensitivity was measured with the perturbing sphere method. Successively, a coil prototype was built and tested on the workbench and by acquisition of MRI and MRS data. Results show that such coil could provide a low cost and easy to build device for MRI/MRS experiments with a clinical scanner in small specimens.

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Authors and Affiliations

  1. Institute of Clinical Physiology, National Council of Research, Via Moruzzi 1, 56124 S. Cataldo, Pisa, Italy

    Giulio Giovannetti

  2. U.O.C. Bioengineering and Clinical Technology, Fondazione G. Monasterio CNR/Regione Toscana, Pisa, Italy

    Giulio Giovannetti, Francesca Frijia & Alessandra Flori

  3. U.O.C. Specialistic MRI and Neuroradiology, Fondazione G. Monasterio CNR/Regione Toscana G. Monasterio, Pisa/Massa, Italy

    Domenico Montanaro

Authors
  1. Giulio Giovannetti
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  2. Francesca Frijia
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  3. Alessandra Flori
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  4. Domenico Montanaro
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Correspondence to Giulio Giovannetti.

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Giovannetti, G., Frijia, F., Flori, A. et al. Design and Simulation of a Helmholtz Coil for Magnetic Resonance Imaging and Spectroscopy Experiments with a 3T MR Clinical Scanner. Appl Magn Reson 50, 1083–1097 (2019). https://doi.org/10.1007/s00723-019-01141-9

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  • DOI: https://doi.org/10.1007/s00723-019-01141-9

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