DGC MEDICAL MAGNETIC RESONANCE IMAGING SYSTEM
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OPER 0.4
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OPER 0.35
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OPER 0.3 OPER 0.23
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Technical data
Magnet Subsystem
Magnet Type:Open type permanent magnet (NdFeB) with vertical magnetic field and AMTC (adaptive magnet temperature control ) technique
Magnetic Field:0.5T ,0.4T ,0.35T ,0.3T ,0.23T
Opening of the Gantry: ≥ 300º
Homogeneity:20cm DSV <± 2ppm (FWHH)
40cm DSV<5ppm(Vrms)
Patient Gap:40cm
Gradient Subsystem
Amplifler:Global purchased high performance OEM product
Gradient:15~25 mT/m (Single Axis),26~43 mT/m (Effective)
Slew Rate:48~70 mT/m/ms (Single Axis),83~120 mT/m/ms (Effective)
Nonlinearity:In a Ellipsoid of 40cm×40cm×38cm:<5%
RF Subsystem
Type of Transmitter and Receiver:Digital
Receiver Channels:4 channels,2 channels ,1 channels
Frequency of Transmitter and Receiver:DC~30MHz
Max. Gain of Preamplifier:30dB
Factor of Noise:0.3dB
Amplifier:6KW (Global Purchased High Performance OEM Product)
RF transmit coil:Flat
Receive Coils:Phase array coils,quadrature coils ,linear coils
Auto Prescanning Functions
Auto RF correction
Auto Frequency Lock
Auto Gain Adjustment
Auto Recognition of Coils
Auto Tuning of Coils
Auto Linear Shimming Compensation
Auto High Order Shimming Compensation
Auto Phase Correction
Image Features
Image Type:T1Weighted , T2 Weighted, T2* Weighted, Proton Density Weighted, Diffusion, MRA, Water Suppressed , Fat Suppressed
Max.FOV:400mm
Acquisition Matrix:64×64~1024×1024
Max. Display Martrix:1024×1024
Spatial Resolution:1mm (Head ,Normal Model )
1.5mm (Body, Normal Model)
0.5mm(Head ,High Resolution Model)
0.75mm (Body,High Resolution Model)
Slice Orientation:Transversal, Sagittal, Coronal, Oblique, Multi-slice & multi-angle
Pulse Sequences
Spin Echo (SE)
Multi Slice Multi Echo (MSME)
Fast Spin Echo (FSE)
Fast Revovery Fast Spin Echo (FRFSE)
Single Shot Fast Spin Echo (SSFSE)
Multi Shot Fast Spin Echo (MSFSE)
Multi Shot Fast Spin Echo (MSFSE)
Inversion Recovery (IR)
Short Time Inversion Recovery (STIR)
Fluid Attenuation Inversion Recovery (FLAIR)
Inversion Recovery Fast Spin Echo (IRFSE)
2D Gradient Echo (2D GRE)
3D Gradient Echo (3D GRE)
Fast Gradient Echo
Turtbo Gradient Echo
Steady State Process Gradient Echo (SSPGRE)
2D MRA (2D TOF)
3D MRA (3D TOF ) / (MOTSA)
Spin Echo Plannar Imaging (SEEPI)
Linear Scan Diffusion Imaging (LSDI)
Fat-water Separation Imaging (DIXON)
Rotate Acquisition Correction (RAC)
Special Techniques
Water Suppression
Fat Suppression
Water Imaging (MRCP, MRU, MRM, etc)
Variable Phase Gradient Encoding
Magnetization Transfer Contrast (MTC)
Flow Compensation
Presaturation Tracing
Over Sampling
Breath-hold Imaging
Partial Acquisition
Parallet Acquisition
Optimized Bandwidth Acquisition
Maximum Intensity Projection (MIP)
Tilted Optimized Nonsaturation Excitation (TONE)
ECG Gating
Respiratory Gating
Active Dynamic Shimming
Motion Artifact Suppression
Metal Artifact Suppression and Acquisition Optimization
Elliptical K-space Coverage
Navigator Echo
Shared Echo
Patient Monitoring and Management
Inner Communication
Physiological Signal Monitoring System
Patient Database
OPER 0.5
Patient Table
3D Motorized Patient Table, Manual Operated Patient Table
Load Capacity:240Kg
Image Display and Post-processing
Image Post-processing: Filter, Enhancement, Magnification, Cutting, Annotation, Image Translation, Auto Adjustment of Window Width and Window Centre
Image Analysis: ROI, Distance Measurement, Area Calculation,Histogram,Distribution of Gray Scale
Computer System
Host:Professional Image Workstation with Dual Processors
Clock Speed:≥ 2.8 GHz
Network Interface Speed:1000M
Memory:2048MB
Graphic Memory:128MB
Hard Disk:160GB
Compact Disk:CRW Writer or DVD Writer
Image Reconstruction Speed:285 images/s (256×256 matrix)
Image Display: 20" TFT (Max. Resolution:1280×1027)
Laser Printer Interface
Digital Interface
DICOM 3.0 Compatible
Image Transfer
Standard DICOM 3.0 Format
Compatible with PACS | 
