| Customization: | Available |
|---|---|
| Classification: | Imaging Diagnostic Equipment |
| Type: | MRI Scanner |
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| No. | Item | Specification |
| 1 | Magnet System | |
| 1.1 | Magnet Type | Permanent magnet with automatic constant temperature system |
| 1.2 | Field strength | 0.22T |
| 1.3 | Magnet shape | H shape |
| 1.4 | Homogeneity (16cm,DSV,VRMS) | ≤4.5ppm |
| 1.5 | Shim method | Active/Passive/Dynamic |
| 1.6 | Magnet gap | 19cm |
| 1.7 | Bore depth | 56cm |
| 1.8 | 5 Gauss fringe field | 1m*1m*1m |
| 2 | Gradient System | |
| 2.1 | Gradient field strength (Single Axis) | 18mT/m |
| 2.2 | Gradient slew rate (Single Axis) | 54mT/m/ms |
| 2.3 | Rise time | 0.3ms |
| 2.4 | Gradient cooling | Air |
| 3 | RF System | |
| 3.1 | Spectrometer | Fully digital |
| 3.2 | RF system type | Digital |
| 3.3 | Number of RF channel | 2 |
| 3.4 | Transmitter amplifier peak power | 5kW |
| 3.5 | RF blanking | Yes |
| 3.6 | Dynamic range | ≥80dB |
| 3.7 | Noise factor | <0.3dB |
| 3.8 | Coil type | Phase array |
| 3.9 | Knee coil (L) | Available |
| 3.1 | Knee coil (S) | Available |
| 3.11 | Ankle coil | Available |
| 3.12 | Wrist coil | Available |
| Remark:The coil configuration is subject to the final contract | ||
| 4 | Patient communication | |
| 4.1 | Max.patient weight | 135Kg |
| 4.2 | High accurate position assist | Yes |
| 4.3 | Localizer | Yes |
| 4.4 | Position accurate | ≤1mm |
| 4.5 | Table movement | Up-down |
| In-out | ||
| Rotation | ||
| 4.6 | Emergence stop | Yes |
| 4.7 | Communication system | Yes |
| 5 | Computer system | |
| 5.1 | Host computer | Dual core |
| 5.2 | System software | BASDA |
| 5.3 | OS | WINDOWS 7 |
| 5.4 | CPU clock rate | ≥2.8GHz |
| 5.5 | Main memory | ≥2GB |
| 5.6 | Color LCD monitor | 24" |
| 5.7 | Keyboard and mouse | Standard |
| 5.8 | Hard disk | ≥250GB |
| 5.9 | Media driver | CRW/DVD |
| 5.1 | DICOM 3.0 | Yes |
| 5.11 | Ethemet | Yes |
| 6 | Scanning parameter | |
| 6.1 | Max.FOV | 250mm |
| 6.2 | Min.FOV | 90mm |
| 6.3 | Min.2D Thickness | 2mm |
| 6.4 | Min.3D thickness | 0.2mm |
| 6.5 | Max.Image matrix | 256*256 |
| 7 | Scanning sequence &imaging technology | |
| 7.1 | Spin echo | Yes |
| 7.2 | Multi-slice multi-echo | Yes |
| 7.3 | Gradient echo | Yes |
| 7.4 | Turbo gradient echo technology | Yes |
| 7.5 | Fast spin echo | Yes |
| 7.6 | Fast double echo | Yes |
| 7.7 | Fast recover spin echo | Yes |
| 7.8 | Variable flip angle technology | Yes |
| 7.9 | Variable ETL technology | Yes |
| 7.1 | Inversion recovery | Yes |
| 7.11 | Inversion recovery fast spin echo | Yes |
| 7.12 | Short time inversion recovery | Yes |
| 7.13 | Fluid attenuated inversion recovery | Yes |
| 7.14 | Magnetization transfer technology | Yes |
| 7.15 | 3D position | Yes |
| 7.16 | Automatic coil tuning | Yes |
| 7.17 | Online image filtration | Yes |
| 7.18 | Online post procession | Yes |
| 7.19 | Optimal algorithm of active shimming | Yes |
| 7.2 | Scan sequence queuing | Yes |
| 7.21 | Multi-layer and multi-angle scanning technology | Yes |
| 7.22 | Optimize bandwidth acquisition technology | Yes |
| 7.23 | Flow compensation | Yes |
| 7.24 | Parallel acquisition technology | Yes |
| 7.25 | Scan parameter preset | Yes |
| 7.26 | Oversampling technology | Yes |
| 7.27 | Image fusion technology | Yes |
| 7.28 | Artifact suppression technology (K_Rotat) | Yes |
| 7.29 | Thin imaging technology | Yes |
| 7.3 | Post processing package | Yes |
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