초록 ▼

Solid-borne vibrations and airborne vibrations from a gradient coil unit in an MRI gantry environment are markedly reduced thereby reducing ambient noise occurring due to the vibrations. Support assemblies retain the gradient coil unit in a mechanically-uncoupled or substantially-uncoupled state rel

Solid-borne vibrations and airborne vibrations from a gradient coil unit in an MRI gantry environment are markedly reduced thereby reducing ambient noise occurring due to the vibrations. Support assemblies retain the gradient coil unit in a mechanically-uncoupled or substantially-uncoupled state relative to the magnet by supporting the coil unit at separate positions on the floor (e.g., with anchor bolts rigidly coupling coil support assemblies to the floor). Moreover, the gradient coil unit and at least parts of the support assemblies may be retained in a vacuum space.

대표청구항 ▼

[ What is claimed is:] [1.] A magnetic resonance imaging system having a gantry comprising:static field generating means for generating a static magnetic field in a scanning region defined in a diagnostic space into which an object to be imaged is inserted;gradient generating means for generating a

[ What is claimed is:] [1.] A magnetic resonance imaging system having a gantry comprising:static field generating means for generating a static magnetic field in a scanning region defined in a diagnostic space into which an object to be imaged is inserted;gradient generating means for generating a magnetic field gradient in the scanning region;supporting means for supporting the gradient generating means in a condition where the weight of the gradient generating means is substantially not applied to the static field generating means; andvacuum space creating means for not only defining a closed space located around at least the gradient generating means but also bringing the closed space into a vacuum state.