0.501T MRI System
Model: Polar 50

Summary:
0.50T MRI systems, is equiped with advanced hardware, human nature design and high qulified software, which makes the whole scanning process much more comfortable and provides clear images for the inspection.

Features:
Magnet Technology:
ND-Fe-B magnet, a high homogeneity permanent design featuring an open post architecture;
Bi-polar & C-shaped magnet;
Specialized eddy current free techniques producing high quality images.
Self-temperature control system minimizes the impact of environmental fluctuations and simplifying the installation requirements.

Main Configuration:
Magnet: Permanent Magnet (Country: China);
Gradient System: Axis Kit w/air Chamber ( Country: USA);
RF Amplifier: From USA;
Spectrometer: Console/Maran ( Country: England);
Software: 0.50T MR Software (Country: China).

Main Characteristics:
Advanced design of flat planar coil for gradient system to minimize the noise.
Design of flat planar coil improves transmitting effienciency and save more space.
Diversified receiving coils provided for different uses.
DICOM system, are easily inter-linked with other medical modalities.
The application of fast auto-calibration technology greatly saves exam time. Multi-slice and multi-angle scan techniques help get the 3D images of any direction freely.

Specifications:
1. Magnet:
Operating Field Strength: 0.50 Tesla 5000 Gauss
Magnet Type: Full open C-shaped
Magnetic material: Permanet ND-Fe-B magnet
Field orientation: Vertical
Homogeneity: (400mm DSV) ≤ 5ppm (Vrms)
Shimming: Active shimming
Patient gap: 405mm
Magnet Weight: 27, 000KGS

2. Gradient System:
Gradient strengh: Max. 25mT/m (Gx/Gy/Gz)
Slew rate: 75mT/M/ms (Gx/Gy/Gz)
Rise time from 0 to 18mt/m: <0.3ms
Gradient linearity: <5%(400mm× 400mm× 380mm)
Eddy current: Special eddy current resist system
Cooling system: Wind cooling
Gradient type: Whole body

3. RF System:
Central frequency: DC to 22MHz
Spectrometer: Digital, 4 channels
Transmitting coil: Flat planar coil
Receiving coils: Phase array coil
Max. Receiver bandwidth: 0~22MHz
RF Transmitter power: 6KW

4. Computer System:
Operating system: Windows2000/NT/XP
CPU: ≥ 3GHz(Dual Core Processor)
Harddisk: ≥ 160GB
CD-RW: ≥ 1GB
Display Device: High Resolution TFT Monitor 22'' LCD monitor
BSD interface: DICOM3.0, in compliance with PACS system
Software: 0.50T MRI Software
Image display: 22'' LCD monitor;

5. Pulse Sequence:
Inversion Recovery (IR): Standard IR
Short Inversion Time IR (STIR)
Inversion Recovery Fast Spin Echo (IRFSE)
Flow Attenuation IR (FLAIR)

Spin Echo (SE): 2D/3D Standard SE
2D/3D Multi-echo SE (MSE) (N)
2D/3D Fast SE (FSE)
Single Shot Fast Spin Echo (SSFSE) (N)
Multi Shot Fast Spin Echo (MSFSE) (N)

Gradient Echo (GRE): 2D/3D Standard GRE
Steady State Process GRE (SSPGRE) (N)

Echo Planar Imaging (EPI): Multi Shot EPI (MSEPI) (N)

Magnetic Resonance Angiography (MRA): 2D/3D TOF, 2D/3D PC

6. Layout area(Suggested):
Magnet Room: about 25M² (5m× 5m);
Equipment Room: about 5.5M² (2.5m× 2.2m);
Control Room: about 4M² (2m× 2m);
Total MRI-System area: about 34.5M² .