International Journal on Magnetic Particle Imaging IJMPI
Vol. 11 No. 1 Suppl 1 (2025): Int J Mag Part Imag
https://doi.org/10.18416/IJMPI.2025.2503019

Proceedings Articles

Thermal Considerations Towards a Highly Flexible Multi-Core Selection and Focus Field Generator

Main Article Content

Eric Aderhold (FRAUNHOFER RESEARCH INSTITUTION FORINDIVIDUALIZED AND CELL -BASED MEDICAL ENGINEERING), Liana Mirzojan (1) Fraunhofer IMTE, Fraunhofer Research Institution for Individualized and Cell-Based Medical Engineering, Lübeck, Germany; 2) Institute of Medical Engineering, University of Lübeck, Lübeck, Germany), Jan-Philipp Scheel (1) Fraunhofer IMTE, Fraunhofer Research Institution for Individualized and Cell-Based Medical Engineering, Lübeck, Germany; 2) Institute of Medical Engineering, University of Lübeck, Lübeck, Germany), Mandy Ahlborg (Fraunhofer IMTE, Fraunhofer Research Institution for Individualized and Cell-Based Medical Engineering, Lübeck, Germany), Florian Sevecke (1) Fraunhofer IMTE, Fraunhofer Research Institution for Individualized and Cell-Based Medical Engineering, Lübeck, Germany; 2) Institute of Medical Engineering, University of Lübeck, Lübeck, Germany), Pascal Stagge (Fraunhofer IMTE, Fraunhofer Research Institution for Individualized and Cell-Based Medical Engineering, Lübeck, Germany), Egor Kretov (Fraunhofer IMTE, Fraunhofer Research Institution for Individualized and Cell-Based Medical Engineering, Lübeck, Germany), Thorsten Buzug (1) Fraunhofer IMTE, Fraunhofer Research Institution for Individualized and Cell-Based Medical Engineering, Lübeck, Germany; 2) Institute of Medical Engineering, University of Lübeck, Lübeck, Germany), Matthias Graeser (1) Fraunhofer IMTE, Fraunhofer Research Institution for Individualized and Cell-Based Medical Engineering, Lübeck, Germany; 2) Chair of Measurement Technology, Universität Rostock, Rostock, Germany)

Copyright (c) 2025 Eric Aderhold, Liana Mirzojan, Jan-Philipp Scheel, Mandy Ahlborg, Florian Sevecke, Pascal Stagge, Egor Kretov, Thorsten Buzug, Matthias Graeser

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This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

This paper presents interim results in the development and implementation of a selection and focus field generator for Magnetic Particle Imaging. The construction of a multi-coil field generator specifically designed for the purpose of diffusion imaging of the brain is a complex task. The degrees of freedom in topological decisions with interconnected dependencies require careful considerations. The preliminary results of the initial constructional and electrical concept based on simulations are presented.
A focus in decision making was placed on the manufacturability of the coils and their thermal properties. The conducted experiments indicate that the manufacturing and fixation of the core coil module presents a significant challenge.
Additionally, more advanced cooling strategies have been pre-evaluated, as the intended cooling setup has been found to be inadequate in the visualized setup.

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