Steering of Magnetic Devices with a Magnetic Particle Imaging System

Nils Nothnagel*, Jürgen Rahmer, Bernhard Gleich, Aleksi Halkola, Thorsten M. Buzug, Jörn Borgert

*Corresponding author for this work
6 Citations (Scopus)


Small magnetic devices have been steered in arbitrary direction and with variable force using a preclinical demonstrator system for magnetic particle imaging (MPI). Fast localization due to the high imaging rate of over 40 volumes/s and strong forces due to the high field gradient of more than 1 T/m render an MPI system, a good platform for image-guided steering of magnetic devices. In this paper, these capabilities are demonstrated in phantom experiments, where a closed feedback loop has been realized to exert translational forces in horizontal and vertical direction on a magnetic device moving in a viscous medium. The MPI system allows for the controlled application of those forces by combining variable homogeneous fields with strong field gradients.

Original languageEnglish
Article number7396945
JournalIEEE Transactions on Biomedical Engineering
Issue number11
Pages (from-to)2286-2293
Number of pages8
Publication statusPublished - 01.11.2016


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