DGC MEDICAL MAGNETIC RESONANCE IMAGING SYSTEM

OPER 0.4

OPER 0.35

                              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

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   

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www.dragongroupchina.com

  

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