Hitachi/Fujifilm MRI Systems Comparison Chart

Model AIRIS II .3T Altaire .7T Echelon 1.5 T Echelon Oval Oasis Airis Elite Aperto Eterna Velocity
Clinical Application Whole body Whole body Whole body Whole body Whole body Whole body Whole body Whole body
Configuration Vertical field, Open MRI Vertical field, Open MRI Short bore Wide oval bore Vertical field, Open MRI Vertical field, Open MRI Open Open
Synchronization Cardiac gating, ECG/peripheral, respiratory gating (2 modes) Cardiac gating, ECG/peripheral, respiratory gating (2 modes) Cardiac gating, ECG/peripheral, respiratory gating Cardiac/ECG gating, peripheral pulse gating, respiratory gating Cardiac/ECG gating, periperal pulse gating, respiratory gating
Imaging Modes Single, multislice, volume study Single, multislice, volume study N/A Single, multislice Single, multislice, volume study
FOV 5 cm to 42 cm continuous 5 cm to 42 cm continuous N/A 45cm in all axis 5cm to 42cm
Magnet Type Self-shielded, permanent Self-shielded, superconducting Superconducting Superconducting magnet Superconducting Self-shielded, permanent Permanent Superconducting
Bore Diameter 110 x 43 cm 115 x 47 cm N/A N/A N/A 45cm Round view
Magnet Weight 15,700 kg 41,700 kg N/A 15,500kg 15,700 kg 300kg
H*W*D 79 x 111 x 73 cm 256 x 348 x 236 cm N/A 241 x 254 x 274 cm 183 x 267 x 185 cm
Power Requirements 208/220/240 V, single phase 208 V (+/-) 10%, 3 phase 208/220/240 V, single phase 208/480, three phase 200/208/220/230/240 V (+/-) 10%, single phase
Cooling System Air-cooled Water-cooled N/A Water-cooled Water-cooled Air-cooled
Cryogen Use No cryogens required Refill 1/year Low cryogen boil-off Zero boil off, 6 years Refill once / two years No cryogens required
Field Strength 0.3 T 0.7 T 1.5 T 1.5 T 1.2 T 0.3T 0.4T 1.2T
Strength 15 mT/m 22 mT/m 30 mT/m 33mT/m 21mT/m 22mT 33mT/100mT
5 Guass Fringe Field 2.0 m lateral, 2.5 m vert./long 3.1 m lateral, 3.6 m vertical N/A 2.5 radial, 4 axial 4.0 m axial, 3.3 m radial 2.0m lateral, 2.5m vertical

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