DGC MEDICAL MAGNETIC RESONANCE IMAGING SYSTEM OPER 0.4 
OPER 0.35 
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OPER 0.3 OPER 0.23   |
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 
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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 | 
