Berlin 2024 – wissenschaftliches Programm
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ST: Fachverband Strahlen- und Medizinphysik
ST 6: Medical Imaging Technologies
ST 6.3: Vortrag
Mittwoch, 20. März 2024, 15:30–15:45, PC 203
NeuroMap: Human magnetic particle imaging scanner for brain perfusion — •Liana Mirzojan1,2, Jan-Philipp Scheel1,2, Florian Sevecke1,2, Eric Aderhold1, Egor Kretov1, Pascal Stagge1, Mandy Ahlborg1, and Matthias Graeser1,2 — 1Fraunhofer Research Institution for Individualized and Cell-Based Medical Engineering IMTE, Lübeck — 2Institute of Medical Engineering, University of Lübeck, Lübeck
In the ever-evolving landscape of medical imaging Magnetic Particle Imaging (MPI) emerges as a new imaging modality that harnesses the unique properties of superparamagnetic nanoparticles, offering high contrast and high sensitivity, with an absence of ionizing radiation. Despite its advantages the development of robust human applications has proven to be a challenge, therefore MPI is still mostly pre-clinical. There are several challenges in scaling a pre-clinical scanner to human size, especially in the most crucial parts, which are the drive and the selection field generators. Main reason for this challenge is the rising power dissipation when scaling to human size. Currently there is a lack of bedside imaging equipment in intensive care units for stroke patients. The aim of the NeuroMap project is to close this gap with a low-field magnetic particle imaging bed-side system. In this work a novel human MPI scanner for stroke monitoring will be demonstrated. Both the drive field and selection field have been optimized with a focus on a clinical application with high patient safety and a performance-efficient design.
Keywords: Magnetic Particle Imaging; medical imaging; nanoparticles; stroke