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GE Open Bore MRI Systems Comparison Chart

Model Signa OpenSpeed Signa Ovation Signa Profile Signa 3.0 T
Clinical Application Whole body Whole body Whole body Whole body
Configuration Open MRI Open MRI Open MRI Cylindrical - high homogeneity
Synchronization Standard cardiac gating, ECG/peripheral, respiratory gating Standard cardiac gating, ECG/peripheral, respiratory gating Standard cardiac gating, ECG/peripheral, respiratory gating ECG/peripheral, respiratory gating
Imaging Modes Localizer, single, multislice, volume, fast, POMP, multi slab, cine Localizer, single, multislice, volume, fast, POMP, multi slab, cine, slice and frequency zip, extended dynamic range, tailored RF Localizer, single, multislice, volume, fast, POMP, multi slab, cine, slice and frequency zip, extended dynamic range, tailored RF Single, multislice, volume, fast, POMP, multi slab, cine
FOV 1 cm to 40 cm continuous 3 cm to 40 cm continuous 3 cm to 40 cm continuous 1 cm to 40 cm continuous
Magnet Type Superconducting Permanent Permanent Superconducting
Bore Diameter 175 x 85 x 447 cm 175 x 85 x 447 cm 120 x 44 cm 55 cm
Magnet Weight 8256 kg 19200 kg 10,000 kg w/ gradient enclosure 15102 kg incl. cryogen's
H*W*D 530 x 175 x 250 cm 530 x 175 x 250 cm 147 x 214 x 193 cm 260 x 238 x 265 cm
Power Requirements 200 - 480, 3-phase 200 - 480, 3-phase 200 - 480, 3-phase 480 or 380/415, 3-phase II
Cooling System Liquid helium N/A None required Closed-loop water-cooled grad.
Cryogen Use 0.3 L/hr, holds 300 L N/A N/A Less than 0.14 L/hr liquid He
Field Strength 0.7 T 0.35 T 0.2 T 3.0 T
Strength 25 mT/m N/A 15 mT/m 40 mT/m
5 Guass Fringe Field 4.7 m/ 3.8 m 2.5 m/2.5 m 1.7 m/1.7 m 5.4 m x 3.2 m

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