Applicant has disclosed an x-ray fluoroscopy machine made substantially of non- magnetic parts. By making the machine out of non-magnetic parts, the x-ray machine can be placed in the same room as an MRI machine without the fluoroscope affecting the magnetic field of the MRI machine. In the preferred embodiment, Applicant has disclosed making a mobile C-arm device, disclosed in U.S. Pat. No. 7,300,205, substantially out of non-magnetic materials.