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Abstract #4342

Construction of a 1.5 T Cryogen Free MRI System

Sergei Obruchkov1, Robin Dykstra1

1Victoria University, Wellington, New Zealand

A 260 mm bore 1.5T MRI system was designed around a cryogen-free superconducting magnet. The system was designed for small animal imaging applications in cancer research, to be located were cryogen availability and costs are prohibitive for conventional magnet systems.

Keywords

academic accessible advances advantages amplifier amplifiers animal apparatus applications around assembly becoming biomedical block board bore broadband built cancer capable coils cold colleges companies compressor console construction controlled controls cool cooled cooling cools countries cryogenic custom cycled dedicated developing diagram digital dimensions diodes directly dissipated drive easier easily electronics embedded enabling energy enough epoxy execution extended facilities failure field free fruit full generated gradient gradients handling hardware head heavy helium homogeneous hospitals hours industrial industries internally japan kiwi labs lack limited long longer magnet major makes making materials measured miniaturization minutes mode module needing operation outer partially periods peripheral persistent pharmaceutical power precision preserve processing produces programming providing pulse quench ramped relies repetition required researchers resolution rest robin safely schematic slowly software solutions sophisticated spin stability stage stored superconducting superconductivity supply switch system systems tall technology temperature thermally timing transactions transceiver trends tube users viable view volume water wellington wide wire