Journal
MEDICAL & BIOLOGICAL ENGINEERING & COMPUTING
Volume 48, Issue 2, Pages 139-145Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s11517-009-0574-5
Keywords
Magnetic propulsion; Magnetic navigation; Square-Helmholtz coil; Square-Maxwell coil; Magnetic device
Categories
Funding
- National Research Foundation of Korea [R11-2002-103, 20090078310]
- Korea Ministry of Commerce, Industry and Energy [10030037]
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We introduce a square coil system for remote magnetic navigation of a magnetic device without any physical movements of the coils. We used three square-Helmholtz coils and a square-Maxwell coil for magnetic propulsion of a small magnet along the desired path. All the square coils are mountable on a cubic frame that has an opening to accommodate a living subject. The square-Helmholtz coils control the magnetic propulsion direction by generating uniform magnetic field along the desired direction while the square-Maxwell coil controls the propulsion force by generating magnetic gradient field. We performed magnetic propulsion experiments with a downscaled coil set and a three-channel coil driver. Experimental results demonstrate that we can use the square coil set for magnetic navigation of a magnetic device without any physical movements of the coils.
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