469-01-013 ISMRM Abstract

Continued Development of a point-of-care low-field MRI scanner

Primary: Physics & Engineering - Low-Field MRI

Secondary: Physics & Engineering - System Imperfections

469-01-013 · MRI in Africa: Advancing Neuroimaging Research, Capacity, and Equity in African Populations · Tuesday, 12 May, 8:20 AM–9:15 AM · Digital Posters Row J

Keywords: Low-Field MRI Accessible MRI Open-source hardware

Accepted

Chris-Jasper Jooste ¹, Stephen Jermy^1,2,3, Kian Frassek¹, Liam Truter¹, David R Roth^4,5, Queto Jenkins¹, Andrew Webb⁶, Ernesta Meintjes^1,2,3

¹Department of Human Biology, University of Cape Town, Cape Town, South Africa

²Neuroscience Institute, University of Cape Town, Cape Town, South Africa

³CUBIC, University of Cape Town, Cape Town, South Africa

⁴MeASURe, University of Cape Town, Cape Town, South Africa

⁵Department of Physics, University of Cape Town, Cape Town, South Africa

⁶Department of Radiology, Leiden University Medical Center, Leiden, Netherlands

Presenting Author: Chris-Jasper Jooste

Synopsis

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References

1. Geethanath S, Vaughan Jr JT. Accessible magnetic resonance imaging: a review. Journal of Magnetic Resonance Imaging. 2019 Jun;49(7):e65-77. doi: 10.1002/jmri.26638 [doi]

2. Webb A, O’Reilly T. Tackling SNR at low-field: a review of hardware approaches for point-of-care systems. Magnetic Resonance Materials in Physics, Biology and Medicine. 2023 Jul;36(3):375-93. doi: 10.1007/s10334-023-01100-3 [doi]

3. Arnold TC, Freeman CW, Litt B, Stein JM. Low‐field MRI: clinical promise and challenges. Journal of Magnetic Resonance Imaging. 2023 Jan;57(1):25-44. doi: 10.1002/jmri.28408 [doi]

4. https://gitlab.com/osii/mri-scanners/osii-one

5. Negnevitsky V, Vives-Gilabert Y, Algarín JM, Craven-Brightman L, Pellicer-Guridi R, O’Reilly T, Stockmann JP, Webb A, Alonso J, Menküc B. MaRCoS, an open-source electronic control system for low-field MRI. Journal of magnetic resonance. 2023 May 1;350:107424. doi: 10.1016/j.jmr.2023.107424. [doi]

6. Algarín Guisado JM, Guallart-Naval T, Borreguero J, Galve F, Alonso Otamendi J. MaRGE: A graphical environment for MaRCoS. doi: 10.1016/j.jmr.2024.107662 [doi]

7. Guallart-Naval T, Alonso J. Electromagnetic Noise Characterization and Suppression in Low-Field MRI Systems. arXiv preprint arXiv:2507.20413. 2025 Jul 27. doi: 10.48550/arXiv.2507.20413 [doi]

8. de Vos B, Remis R, Webb A. Segmented RF shield design to minimize eddy currents for low-field Halbach MRI systems. Journal of Magnetic Resonance. 2024 May 1;362:107669. doi: 10.1016/j.jmr.2024.107669 [doi]

9. https://gitlab.com/osii/phantoms/hello-world

10. de Vos B, Parsa J, Abdulrazaq Z, Teeuwisse WM, Van Speybroeck CD, de Gans DH, Remis RF, O’Reilly T, Webb AG. Design, characterisation and performance of an improved portable and sustainable low-field MRI system. Frontiers in Physics. 2021 Jul 26;9:701157. doi: 10.3389/fphy.2021.701157 [doi]

11. Cooley CZ, Stockmann JP, Armstrong BD, Sarracanie M, Lev MH, Rosen MS, Wald LL. Two‐dimensional imaging in a lightweight portable MRI scanner without gradient coils. Magnetic resonance in medicine. 2015 Feb;73(2):872-83. doi: 10.1002/mrm.25147 [doi]

12. Ha Y, Selvaganesan K, Wu B, Hancock K, Rogers III C, Hosseinnezhadian S, Galiana G, Constable RT. Practical method for RF pulse distortion compensation using multiple square pulses for low-field MRI. Plos one. 2022 Sep 16;17(9):e0273432. doi: 10.1371/journal.pone.0273432 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/469-01-013