Magnetic Resonance Imaging Equipment Optima and Discovery; Records and Models: 80071260118 - Optima MR450W; 80071260300 - Optima MR450W and Optima MR450W and GEM; 80071260134 Discovery MR750W 3.0T; 80071260116 - Discovery MR450. Risk class II, containing the table option: MR Surgical Suite II with model numbers: M8074SS, M8053SS and M0074SS.