Siemens Prisma 3.0 Tesla / Human Whole-body System
Magnet
| Magnetic field strength | 2.893620 Tesla (123.256491 MHz for proton) |
| Manufacturer | Siemens Medical Solutions, Inc. |
| Magnet homogeneity at 40 cm DSV | – 0.25 ppm |
| Imaging FoV | – 50x50x50 cm |
| bore diameter | 60 cm |
| Magnet length | 213 cm |
| Distance to isocenter | 1200 mm |
Gradient coils
| Manufacturer | Siemens Medical Solutions, Inc. |
| GC Type | = AS82 |
| GC FoVMax[mm] | = 500 |
| GC AcousticResonanceFrequency[0][Hz] | = 590 |
| GC AcousticResonanceBandwidth[0][Hz] | = 100 |
| GC AcousticResonanceFrequency[1][Hz] | = 1140 |
| GC AcousticResonanceBandwidth[1][Hz] | = 220 |
RF amplifiers
| Broadband amplifier | |
| Manufacturer | Siemens Medical Solutions, Inc. |
| Model Type | DirectRF |
| Max Peak Power | 50KWatts |
| Frequency range | Multiple Nucleus Options: |
| 1H [MHz] | = 123.256491 |
| 3He [MHz] | =93.895425 |
| 7Li [MHz] | =47.901900 |
| 13C [MHz] | =30.994841 |
| 19F [MHz] | = 115.957156 |
| 23Na [MHz] | =32.603462 |
| 31P [MHz] | =49.894744 |
| 129Xe [MHz] | =34.097230 |
| 17O [MHz] | =16.708809 |
| Peak power RFPA[0]/RFPA[1] 1H [W] | = 16200/24200, RFPA[2] x-nuclei [W] = 6800/5800 |
Gradient power amplifiers
| High-Performance MR Gradient System XR 80/200 Manufacturer | Siemens Medical Solutions, Inc. |
| GPA Type | = K2309_2250V_951A |
| GPA GradMaxAmplAbsolute[mT/m] | = 80 |
| GPA GradMaxAmplNominal[mT/m] | = 34 |
| GPA GradMaxAmpl[mT/m] | = 37 / 24 / 22 / 22 |
| GPA GradMinRiseTimeAbsolute[us/(mT/m)] | = 5 |
| GPA GradMinRiseTime[us/(mT/m)] | = 5.3 / 5.55 / 10 / 20 |
| GPA GradClipRiseTime[us/(mT/m)] | = 1 |
| GPA GradMaxSlewRateAbsolute[mT/(m*ms)] | = 200 |
| GPA GradMaxSlewRate[mT/(m*ms)] | = 188.679 / 180.18 / 100 / 50 |
| GPA GradClipSlewRate[mT/(m*ms)] | = 1000 |
| Voltage / current | 2250 V/900 A |
Shimming
| Manufacturer | Siemens Medical Solutions, Inc. |
| Standard active himming with 3 linear channels (1st order) | |
| 2nd-order shimming with 5 non-linear channels | |
| Passive shimming | |
| Dynamic Shim Controller | N/A |
Console - Platform / software
- Prisma A Windows 7/VE11C
- Prisma B Windows 7/VE11B
- Prisma C Windows 7/VE11E
Receiver Channels: 20/32/64 head/neck, 18 body, 32 spine, 4 flex, and other phased array for torso and limbs