Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
368-03-015 ISMRM Abstract

Design and Optimization of a Pole-less 0.2 T C-Type Magnet

Primary: Physics & Engineering - Magnets (B0)
Secondary: Physics & Engineering - Low-Field MRI
368-03-015 · Low Field Systems and Applications · Monday, 11 May, 1:50 PM–2:45 PM · Digital Posters Row I
Keywords: Low field mri
Accepted
Ivan Etoku Oiye 1, Ajay Sharma1, Sairam Geethanath2
1Johns Hopkins University School of Medicine, Baltimore, United States of America
2Russell H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, Baltimore, United States of America
Presenting Author: Ivan Etoku Oiye

Synopsis

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References

1. ​​Huang S, Ren ZH, Obruchkov S, Gong J, Dykstra R, Yu W. Portable Low-Cost MRI System Based on Permanent Magnets/Magnet Arrays. Investig Magn Reson Imaging. 2019;23(3). doi:10.13104/imri.2019.23.3.179 [doi]
2. ​Obungoloch J, Muhumuza I, Teeuwisse W, et al. On-site construction of a point-of-care low-field MRI system in Africa. NMR Biomed. 2023;36(7). doi:10.1002/nbm.4917 [doi]
3. ​Ren ZH, Mu WC, Huang SY. Design and Optimization of a Ring-Pair Permanent Magnet Array for Head Imaging in a Low-Field Portable MRI System. IEEE Trans Magn. 2019;55(1). doi:10.1109/TMAG.2018.2876679 [doi]
4. ​Kong X, Shen S, Xu X, Wu J, Igarashi H, Xu Z. Topology Optimization and Experimental Validation of a Magnet Structure for Portable Ultra-Low-Field MRI Devices. IEEE Trans Instrum Meas. Published online 2025.
5. ​5. Thomas O’Reilly WTAW. Halbach array magnet for in vivo imaging. Accessed September 1, 2025. https://www.opensourceimaging.org/project/halbach-array-magnet-for-in-vivo-imaging/
6. ​Wei S, Wei Z, Wang Z, et al. Optimization design of a permanent magnet used for a low field (0.2 T) movable MRI system. Magnetic Resonance Materials in Physics, Biology and Medicine. 2023;36(3). doi:10.1007/s10334-023-01090-2 [doi]
7. ​Aakash et al. Tensorflow github. 2025. Accessed October 28, 2025. https://github.com/tensorflow
8. ​Blank J, Deb K. Pymoo: Multi-Objective Optimization in Python. IEEE Access. 2020;8. doi:10.1109/ACCESS.2020.2990567 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/368-03-015