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NEUSOFT NSM-P035 Super Open Magnetic Resonance Imaging System

NEUSOFT NSM-P035 Super Open Magnetic Resonance Imaging System. Outline. MRI Introduction principles 、 features 、 clinical applications 、 development trend Features of NEUSOFT MRI NSM-P035 hardware : magnet 、 RF 、 gradient 、 computer

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NEUSOFT NSM-P035 Super Open Magnetic Resonance Imaging System

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  1. NEUSOFT NSM-P035 Super Open Magnetic Resonance Imaging System

  2. Outline • MRI Introduction • principles、features、clinical applications、development trend • Features of NEUSOFT MRI NSM-P035 • hardware:magnet、RF、gradient、computer • software:imaging technology、technical specifications、sequence、operating interface

  3. Principles of MRI • Nuclear magnetic resonance phenomenon • Hydrogen nucleus —proton

  4. Spin and Magnetic Moment Principles of MRI

  5. Magnetization Principles of MRI • Proton Precession

  6. Resonance • Relaxation Principles of MRI

  7. MR Signal Principles of MRI

  8. Features of MRI • Non-invasive examination • Multi-type of images • High image contrast • Slicing at any orientation • No contrast agent required in MRA

  9. Non-invasive examination • CT、X-ray、Nuclear medicine– ionizing radiation • Radiation energy of MRI is 1/1012 that of X-ray system • No definite trauma has been certified since more than 20 years clinical application • Pregnant woman can be inspected by MRI, not CT • MRI interventional therapeutic procedure,no trauma to doctor and patient Features of MRI

  10. IR T2 weighted T2 weighted Water suppression T1 weighted IR T1 weighted Multi-type of images • To get more diagnosis information by comparing various images • To improve detectable rate and accuracy of clinical diagnosis Features of MRI

  11. High Image Contrast • Water • Fat • Protein • Skeleton • Gas Features of MRI

  12. Slicing at any orientation Features of MRI

  13. No Contract Agent Need in MRA • In-flow and out-flow effect • TOF • PC Features of MRI

  14. MRI Clinical Applications MRI Diagnose Advantage Parts • Nervous system • Spine 、extremity • Muscle、convective tissue • Angiography system • Pelvis • Substantive organs

  15. Coronal FLAIR Coronal T2 • Head • Brain Stem Infarct MRI Clinical Applications

  16. Coronal T1 Arrow T1 • Pituitary Tumor MRI Clinical Applications

  17. Spine and Spinal Cord MRI Clinical Applications

  18. Sagittal T1 Sagittal T2 • Spinal Cord Malacosis MRI Clinical Applications

  19. Axial T1 Sagittal T2 • Lung Cancer Lumber Transfer MRI Clinical Applications

  20. Extremity 、Joint MRI Clinical Applications

  21. Angioma of Liver • Abdomen MRI Clinical Applications

  22. Pelvis MRI Clinical Applications

  23. Breast MRI Clinical Applications

  24. Strongpoint of MRI Imaging • No trauma——meet for patient requirement for health care • More detectable rate——decrease misdiagnosis • More accurate diagnosis --reduce wrong diagnosis • More quantitive information • Increase estimation prognosis accuracy • Assist making better therapy plan • More impersonality evidence——decrease law risk MRI Clinical Applications

  25. MRI Development Trend • MRI Market Status • High field • more than 1.5T 30% • Permanent magnet open 70% • Medium field quits basically from market

  26. Comparison of the Kinds of Magnet MRI Development Trend

  27. Clinical Application Comparison of Permanent and Superconducting Magnet Low field permanent 5% Claustrophobic patient Fat patient Less embeddedmetal Joint motion analysis MRI intervention High field superconducting 5% Imperceptible pathological changes Functional imaging Spectrum analysis 95% Conventional clinical application Majority advanced function MRI Development Trend

  28. Evolvement History of Permanent Open MRI MRI Development Trend

  29. Sparkler 1.5T Superconducting 1.5T NAM-P023A C-type Super Open 0.23T NSM-P035 C-type Super Open 0.35T NEUSOFT MRI Technology Development MRI Development Trend

  30. NSM-P035 Permanent Magnet MRI Most successful magnetic field strength in permanent magnet systems

  31. NSM-P035 facts • SNR is 2.66 times more that 0.2T ,improve greatly image quality Double scan speed of 0.2T, increase scan speed • Increase spatial resolution, 0.2mm slice thickness • Provide firm foundation for future upgrade NSM-P035 Permanent Magnet MRI

  32. Relation between Image SNR and magnet strength NSM-P035 Permanent Magnet MRI

  33. Noise Effect upon Image Quality NSM-P035 Permanent Magnet MRI

  34. Advanced Magnet Technology • Type:permanent magnet • Advanced permanent magnet material --NdFe • Whole integrated foundry • Self-shield technology • Eddy current free technology • Self-constant temperature technology • Insure long stable operation NSM-P035 Permanent Magnet MRI

  35. The most advanced open magnet—C-type 2-column super open • Super open—4 sides open • Decrease patient claustrophobic feeling , expand patient volume • Positioning of any part of patient at the center of magnet ensures the high image quality • Convenient for interventional treraphy NSM-P035 Permanent Magnet MRI

  36. The most convenient design of patient couch • Couch is separate from magnet • 2 D movement with maximum distance 160cm • Accurate laser localization system • Easy system positioning • Space saving NSM-P035 Permanent Magnet MRI

  37. Minimal Installation Area Less Environment Requirement • 30m2 installation area only • Lowest height 3m • Temperature control only need popular air conditioner NSM-P035 Permanent Magnet MRI

  38. Powerful Gradient System • Gradient Amplifier • Maximum gradient strength:16mT/m,ensure high spacial resolution • Rising time:300μs( up to 98%) • Slew rate:52mT/m/ms,increase the scanning speed • air cooling,no additional expenditure • Gradient coils • plane fingerprint design • assure accurate spacial positioning NSM-P035 Permanent Magnet MRI

  39. High Efficient RF System • RF Amplifier • RF power reach to 5KW, which leads to the high signal frequency • RF transmitter coil • Quanture(QD) design • Signal-to-Noise ratio is 40% higher than normal coil • longitudinal resonance signal efficiency is higher than transversal resonance signal efficiency by 40% NSM-P035 Permanent Magnet MRI

  40. Comprehensive Receiving coils • 7 standard configuration: QD head coil QD Neck Coil QD Body Coil NSM-P035 Permanent Magnet MRI QD Extremity Coil Flat Spine Coil Breast Coil

  41. Computer System • High configuration and performance • CPU: Pentium IV 2.4GHz • RAM:1.5GB • HD:120GB--capability of storing 0.9 million images • peripheral storage:2.3GB MO or 640MBCD-R • monitor:21” SONY high rosolution color display monitor resolution:1600×1200 • Windows operating system, easy to learn and use • Abundant in backup source, minimum cost in maintenance and upgrade NSM-P035 Permanent Magnet MRI

  42. Optional Accessories • Mutual intercom system • Hi-Fi stereo sound • Laser Imager NSM-P035 Permanent Magnet MRI

  43. Advanced Imaging Techniques • Multi-slice/Multi-angle • Gating Technology • Partial echo • Flow compensation • Anti-wrap-around artifact elimination • Multi-region pre-saturation • Optimized bandwidth • Optimized data acquisition NSM-P035 Permanent Magnet MRI

  44. Thickness 2mm FOV 50mm Performance Specifications • TE(min): 2ms • TR(min): 6ms • FOV: 26-400mm • Slice thickness(min) 2D: 2mm • Slice thickness(min) 3D: 0.2mm • Number of slices : 64(2D) 128(3D) NSM-P035 Permanent Magnet MRI

  45. Abundant Imaging Sequences • Spin Echo (SE) • Gradient Echo(GE) • IR, FLAIR, STIR • MSME • MRA • FSE • MRU、MRCP) • 3D GE,3D SE • DWI NSM-P035 Permanent Magnet MRI

  46. neck sag. knee joint sag. Spin Echo(SE) • The most common sequence in clinical routine • Clear image • Display anatomic image • Only apply to T1 weighted imaging at present NSM-P035 Permanent Magnet MRI

  47. Liver T2/W Head T2/W Fast Spin Echo (FSE) • fast image acquisition • commonly used for T2 weighted imaging NSM-P035 Permanent Magnet MRI

  48. T1/W T2/W Gradient Echo (GE) • Fast image acquisition • Sensitive to bleeding NSM-P035 Permanent Magnet MRI

  49. T2/W Water suppression IR , FLAIR • Suppress free water • Infarct displayed clear • Judge focal composition NSM-P035 Permanent Magnet MRI

  50. T1/W Fat suppression IR, STIR • Fat suppression signal • Judge focus composition • Other parts displayed much clearer NSM-P035 Permanent Magnet MRI

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