Analysis of eddy currents induced by transverse and longitudinal gradient coils in different tungsten collimators geometries for SPECT/MRI integration

Purpose We investigated the temporal variation of the induced magnetic field due to the transverse and the longitudinal gradient coils in tungsten collimators arranged in hexagonal and pentagonal geometries with and without gaps between the collimators. Methods We modeled x‐, y‐, and z‐gradient coil...

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Veröffentlicht in:	Magnetic resonance in medicine 2015-12, Vol.74 (6), p.1780-1789
Hauptverfasser:	Samoudi, Amine M., Van Audenhaege, Karen, Vermeeren, Günter, Poole, Michael, Tanghe, Emmeric, Martens, Luc, Van Holen, Roel, Joseph, Wout
Format:	Artikel
Sprache:	eng
Schlagworte:	collimator eddy currents Electromagnetic Fields electromagnetic simulation Equipment Design Equipment Failure Analysis gradient coils Magnetic Resonance Imaging - instrumentation Magnetics - instrumentation MRI Multimodal Imaging - instrumentation Reproducibility of Results Sensitivity and Specificity SPECT Systems Integration Tomography, Emission-Computed, Single-Photon - instrumentation Tungsten - chemistry
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