Real-Time MRI-Based Control of a Ferromagnetic Core for Endovascular Navigation
Authors:
- Samer TamazSTSamer Tamaz
- Richard GourdeauRGRichard Gourdeau
- Arnaud ChanuACArnaud Chanu
- Jean-Baptiste MathieuJMJean-Baptiste Mathieu
- Sylvain MartelSMSylvain Martel
- 17 June 2008
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Biomedical Engineering
- Vol. 55 (7) , 1854-1863
Abstract
This paper shows that even a simple proportional-integral-derivative (PID) controller can be used in a clinical MRI system for real-time navigation of a ferromagnetic bead along a predefined trajectory. Although the PID controller has been validated in vivo in the artery of a living animal using a conventional clinical MRI platform, here the rectilinear navigation of a ferromagnetic bead is assessed experimentally along a two-dimensional (2D) path as well as the control of the bead in a pulsatile flow. The experimental results suggest the likelihood of controlling untethered microdevices or robots equipped with a ferromagnetic core inside complex pathways in the human body.Keywords
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