A mechanical shimming method and device for permanent magnet of MRI system has been developed to meet its stringent homogeneity requirement without time-consuming passive shimming on site, installation and adjustment efficiency has been increased.
Magnetic Resonance Imaging ; instrumentation ; methods ; Magnets

This paper describes the development of mobile MRI system. The system technical solution, some calculation and test results are introduced, the technical characteristics are analysed, the same performance has been realized with an MRI system equipped in a vehicle, the market of original fixed MRI system has been extended.
Equipment Design ; Magnetic Resonance Imaging ; instrumentation ; methods ; Mobile Health Units ; Software Design