First magnetic resonance imaging under three tesla magnetic field

Yoshimichi Ohki

doi:10.1109/MEI.2019.8575687

First magnetic resonance imaging under three tesla magnetic field

Research output: Contribution to journal › Article › peer-review

Abstract

Mitsubishi Electric, Tokyo, has been developing a SC-MRI using REBCO coils, together with Kyoto University and Tohoku University, under the supervision by NEDO. The project has been initiated from started 2013, and it aims at the completion of the design of SC magnets for imaging the whole body and putting the developed MRI on the market in 2026. First, Mitsubishi developed a one-third model coil for a three tesla (3 T) MRI. One important development task is to realize a coil structure that would not cause deterioration of the SC characteristics. The second development task is the production of a high-precision coil. The magnetic field at the center of the bore or area where a patient is scanned is 2.9 T, the same as general 3-T MRI systems. The maximum experienced magnetic field has been 4.5 T when the central magnetic field was 3.0 T and the coil passed the current with a density of 113 A/mm ² .

Original language	English
Article number	8575687
Pages (from-to)	55-58
Number of pages	4
Journal	IEEE Electrical Insulation Magazine
Volume	35
Issue number	1
DOIs	https://doi.org/10.1109/MEI.2019.8575687
Publication status	Published - 2019 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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abstract = " Mitsubishi Electric, Tokyo, has been developing a SC-MRI using REBCO coils, together with Kyoto University and Tohoku University, under the supervision by NEDO. The project has been initiated from started 2013, and it aims at the completion of the design of SC magnets for imaging the whole body and putting the developed MRI on the market in 2026. First, Mitsubishi developed a one-third model coil for a three tesla (3 T) MRI. One important development task is to realize a coil structure that would not cause deterioration of the SC characteristics. The second development task is the production of a high-precision coil. The magnetic field at the center of the bore or area where a patient is scanned is 2.9 T, the same as general 3-T MRI systems. The maximum experienced magnetic field has been 4.5 T when the central magnetic field was 3.0 T and the coil passed the current with a density of 113 A/mm 2 . ",

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