| No. |
Item |
Specification |
| 1 |
Magnet System |
Polar 35V |
| 1.1 |
Magnet Type |
Permanent magnet with automatic constant temperature system |
| 1.2 |
Field strength |
0.35T |
| 1.3 |
Magnet shape |
C-shape |
| 1.4 |
Homogeneity(30cm, DSV, Vp-p) |
≤35ppm |
| 1.5 |
Shim method |
Active/Passive/Dynamic |
| 1.6 |
Magnet vertical gap |
35cm |
| 1.7 |
Accessibility(Horizontal opening angle) |
>250° |
| 1.8 |
5 Gauss fringe field |
2.5m*2.5m*2.5m |
| 2 |
Gradient System |
|
| 2.1 |
Gradient field strength(Single Axis) |
≥15mT/m |
| 2.2 |
Gradient slew rate (Single Axis) |
≥45mT/m/ms |
| 2.3 |
Rise time |
0.3ms |
| 2.4 |
Gradient cooling system(Gradient coils and power electronics) |
Air |
| 3 |
RF System |
|
| 3.1 |
Spectrometer |
Fully digital |
| 3.2 |
RF system type |
Digital Transmit and Receive |
| 3.3 |
Number of RF channel |
2 |
| 3.4 |
Transmitter amplifier peak power |
5kW |
| 3.5 |
RF bandwidth of receiver |
Each >400KHz |
| 3.6 |
Dynamic range |
≥80dB |
| 3.7 |
Noise factor |
0.3dB |
| 3.8 |
Coil type |
Phase array |
| 3.9 |
Large vet coil |
Yes |
| 3.10 |
Middle vet coil |
Yes |
| 3.11 |
Small vet coil |
Yes |
| 3.12 |
Soft vet coil |
Yes |
| 4 |
Scan environment |
|
| 4.1 |
Max. vetweight |
200Kg |
| 4.2 |
High accurate position assist |
Yes |
| 4.3 |
Localizer |
Yes |
| 4.4 |
Position accurate |
≤1mm |
| 4.5 |
Position accessories |
Yes |
| 4.6 |
Emergence stop |
Yes |
| 4.7 |
Communication system |
Yes |
| 5 |
Computer system |
|
| 5.1 |
Host computer |
Dual core |
| 5.2 |
System software |
Shinova |
| 5.3 |
OS |
WINDOWS |
| 5.4 |
CPU clock rate |
≥2.8GHz, be able for extension |
| 5.5 |
Main memory |
≥2GB, be able for extension |
| 5.6 |
Color LCD monitor |
≥22" |
| 5.7 |
Keyboard and mouse |
Standard |
| 5.8 |
Hard disk |
≥250GB, be able for extension |
| 5.9 |
Media driver |
CRW / DVD |
| 5.10 |
DICOM 3.0 |
Yes |
| 5.11 |
Ethernet |
Yes |
| 6 |
Scanning parameter |
|
| 6.1 |
Max. FOV (recommend) |
300mm |
| 6.2 |
Min. FOV(recommend) |
90mm |
| 6.3 |
Max. Image matrix |
512*512 |
| 7 |
Scanning sequence &imaging technology |
|
| 7.1 |
Spin echo 2D/3D (SE 2D/3D) |
Yes |
| 7.2 |
Multi-slice multi-echo(MSME) |
Yes |
| 7.3 |
Gradient echo(GRE 2D/3D) |
Yes |
| 7.4 |
Steady state process gradient echo( SSPGRE) |
Yes |
| 7.5 |
Fast spin echo (FSE) |
Yes |
| 7.6 |
Fast double echo(FDE) |
Yes |
| 7.7 |
Fast recover fast spin echo(FRFSE) |
Yes |
| 7.8 |
Single shot fast spin echo(SSFSE) |
Yes |
| 7.9 |
Multi shot fast spin echo (MSFSE) |
Yes |
| 7.10 |
Inversion recovery (IR) |
Yes |
| 7.11 |
Inversion recovery fast spin echo (IRFSE) |
Yes |
| 7.12 |
Short time inversion recovery (STIR) |
Yes |
| 7.13 |
Fluid attenuated inversion recovery (FLAIR) |
Yes |
| 7.14 |
Gating technology |
Yes |
| 7.15 |
Section scan |
Yes |
| 7.16 |
TOF 2D MRA |
Yes |
| 7.17 |
TOF 3D MRA |
Yes |
| 7.18 |
Diffusion weighted imaging (DWI) |
Yes |
| 7.19 |
Max. b Value |
1000s/mm2 |
| 7.20 |
Magnetization transfer (MTC) technology |
Yes |
| 7.21 |
MIP |
Yes |
| 7.22 |
Invert film |
Yes |
| 7.23 |
3D position |
Yes |
| 7.24 |
Pre-saturation technology (PS) |
Yes |
| 7.25 |
Pre-saturation adjustment technology |
Yes |
| 7.26 |
Part metal implant scan technology |
Yes |
| 7.27 |
Automatic coil tuning |
Yes |
| 7.28 |
Head scan package(Vet) |
Yes |
| 7.29 |
Body scan package(Vet) |
Yes |
| 7.30 |
Bone scan package (Vet) |
Yes |
| 7.31 |
Online image filtration |
Yes |
| 7.32 |
Online post procession |
Yes |
| 7.33 |
Optimal algorithm of active shimming |
Yes |
| 7.34 |
Scan sequence queuing |
Yes |
| 7.35 |
Multi-layer and multi-angle scanning technology |
Yes |
| 7.36 |
Optimize bandwidth acquisition technology |
Yes |
| 7.37 |
Flow compensation |
Yes |
| 7.38 |
Parallel acquisition technology |
Yes |
| 7.39 |
Section acquisition technology |
Yes |
| 7.40 |
Scan parameter preset |
Yes |
| 7.41 |
Oversampling technology |
Yes |
| 7.42 |
Image fusion technology |
Yes |
| 7.43 |
Artifact suppression technology |
Yes |
| 7.44 |
Thin imaging technology |
Yes |
| 7.45 |
Movie playback technology |
Yes |
| 7.46 |
Post processing package |
Yes |
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