EXPERIMENT MRI / SAFETY 2008-2009 Geometrical distortions and shifts in the magnet.

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Presentation transcript:

EXPERIMENT MRI / SAFETY Geometrical distortions and shifts in the magnet

Test phantom Without needle With needle (in the center) Phantom A B C D A.Gel B.Air C.Aceton D.Benzene A B C D Needle position 2 ppm 1 H NMR spectrum Aceton 4 ppm) 7.3 ppm 1 H NMR spectrum Benzene

Two different orientations of the phantom (with needle inserted) Direction magnetic field Direction magnetic field

CONTACT prof. Yves De Deene Research group QMRI – Dept. Radiotherapy (P7) Ghent University Hospital De Pintelaan, Gent Tel Website research group:

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