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Abstract #0302

Full-scale imaging system for brain MRI and magnetoencephalography

Koos Zevenhoven1, Marko Havu1, Iiro Lehto1, Antti Mäkinen1, Juho Luomahaara2, Petteri Laine3, Mikko Kiviranta2, and Risto J Ilmoniemi1
1Aalto University, Espoo, Finland, 2VTT, Espoo, Finland, 3MEGIN Oy, Espoo, Finland

Synopsis

Keywords: Low-Field MRI, New Devices, SQUID, MEGWe have built the first full-scale brain scanner performing both MRI and neuromagnetic measurements. Many improvements have been made compared to previous-generation systems. Parts of the system include a helmet-shaped array of 120 superconducting sensors and a pulsed superconducting polarizing coil. An open-geometry coil system provides unobstructed access, and MRI signal acquisition is performed at ultra-low field. The first MEG and MRI data have been successfully obtained with the device. The new prototype is an important milestone on the way towards a commercial implementation.

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