Related Experiment Video
Updated: Jun 26, 2026

Measuring the Influence of Magnetic Vestibular Stimulation on Nystagmus, Self-Motion Perception, and Cognitive Performance in a 7T MRT
Published on: March 3, 2023
Comparison of positioning methods of a ferromagnetic sphere for magnetic steering using 3 T MRI
Byung H Han1, Lae H Kang, Yong H Ha
1Department of Biomedical Engineering, Kyung Hee University, Yongin, Kyungki, Republic of Korea.
Abstract:
Magnetic steering of an untethered ferromagnetic device in a living body has many advantages in the clinical fields. In this paper, the positioning and tracking methods of a ferromagnetic sphere have been compared with magnetic resonance phantom images obtained with three different imaging sequences, spin echo, gradient echo, and selected positive contrast sequences. The position of the ferromagnetic sphere has been calculated from the MRI images which have susceptibility artifacts caused by the magnetic sphere. We have compared the positioning errors among the magnetic sphere images.

