| Customization: | Available |
|---|---|
| Classification: | Imaging Diagnostic Equipment |
| Type: | X Ray Equipment |
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Feature:
* 0.5T Open MRI is trustworthy because the system combines with both superconductive magnetic resonance system's advantage of fast scanning speed same advantage of patient comfort and low operating cost as permanent magnet MRI.
* 0.5T open type is more competitive compared to 1.5T superconductive MRI.
* Its electricity cost is much lower than conventional 1.5T MRI systems.
* It config 4k cold head from Japan, the brand is Sumitomo, that provides "zero" consumption of the liquid helium.
* It is very suitable for interventional treatment, this is different with all the traditional 1.5T MRI in the market, thus the hospital can bring more new clinical projects and get the additional benefits.
* It has faster scanning time than permanent MRI, and the image quality is also better than permanent MRI, being close to 1.5T superconductive MRI level.
* Its open type superconducting magnet, has a large opened space that helps to reduce the patient's claustrophobic fear, effectively avoid the involuntary movement which may cause the image artifacts and other potential risk.
Rich Coil Configuration
The Receiver coil, together with parallel acquisition technology, improve the signal-to-noise ratio and image quality. The customer can choose according to the clinical needs (specific configuration of the coil number and types will be subject to final contract): head coil, neck coil, body coil(s), body coil(soft), knee coil, breast coil, body coil(L), shoulder coil, ankle coil, wrist coil.
Gradient Sub System
* Gradient sub system directly determine the spatial encoding of MRI system, it produces the signal information, at the same time it can perform GR series sequence scanning, it is the foundation of MRI system's spatial resolution ability, gradient sub system also directly affect the scanning image thin slice scanning.The linearity of gradient system of MRI system determine the accuracy of spatial location information, ensuring that in any acquisition, the image distortion is limited.
* Gradient switching rate is an important factor of MRI scanning speed. XMR050A using the self-shielding gradient coil and high duty cycle gradient amplifier system, together with eddy zero technology and design, not only can avoid the eddy current between the metal shielding layers, but also can concentrate the eddy current from X axis and Y axis to Z axis, then by software algorithm, eliminate all eddy current. This technology can raise up the spatial encoding ability of the magnetic resonance signal and make the scan more precise, ensure high resolution image quality.
* When gradient system working its current is high, and switching rate is high as well, thus the noise emitted by MRI system is easy to make the patient discomfort, XMR050A using special hardware noise reduction design technology, the original gradient noise is reduced up to 66%, and XMR050A provides a friendlier scanning environment for the patients.
* The gradient system using air cooling to save maintenance cost for the user.
RF Sub System
* The RF sub system is the source of MRI proton excitation energy, its efficiency directly affects the MRI relax signal. RF receiver receive MRI relax signal, a good receiving coil can improve the SNR of image.
* The RF sub system is similar as highway lane, the more lanes, the faster flow of vehicles. Vice versa, the more the RF system channels, the faster parallel acquisition, thus the system can process the greater the amount of data in the same time, reduce the imaging time. XMR050A suing 4 channel radio frequency receiving, combined with the latest parallel sampling technology, using the DDC digital direct sampling, can short the scan time and get excellent image quality.
| No. | Item | Specification |
| 1 | Magnet System | |
| 1.1 | Magnet type | Superconductive,open type |
| 1.2 | Field strength | 0.5T |
| 1.3 | Magnet shape | Dual post |
| 1.4 | Homogeneity (DSV,VRMS) | ≤2.5ppm |
| 1.5 | Magnet stability | ≤1ppm/h |
| 1.6 | Shimming method and type | Passive/active/dynamic |
| 1.7 | Total capacity of liquid helium(100%liquid helium full filled) | ≤100L |
| 1.8 | Liquid helium"zero"consumption technology | Yes |
| 1.9 | Cold head |
Sumitomo from Japan,Air cooling helium compressor |
| 1.1 | Magnet gap | 420mm |
| 1.11 | Magnet open rate | 280° |
| 1.12 | 5 Gauss fringe field(X,Y,Z axis) | ≤4.5m,4.5m,4.5m |
| 2 | Gradient System | |
| 2.1 | Maximum gradient field (single axis,invalid) | 25mT/m |
| 2.2 | Maximum gradient slew rate(single axis, invalid) | 96mT/m/ms |
| 2.3 | Minimum gradient rise time | ≤0.26ms |
| 2.4 | Gradient cooling system | Air cooling |
| 3 | RF System | |
| 3.1 | Spectrum meter | Full digital |
| 3.2 | RF channel type | Full digital transmit and receive |
| 3.3 | RF channels | 4 |
| 3.4 | Max RF amplifier power | ≥5kW |
| 3.5 | Receiver bandwidth | 1.25MHz |
| 3.6 | Receiver coil | Multi-channel phased array |
| 3.7 | Head coil | Available to config |
| 3.8 | Neck coil | Available to config |
| 3.9 | Body coil (Small) | Available to config |
| 3.1 | Body coil (Soft) | Available to config |
| 3.11 | Knee coil | Available to config |
| 3.12 | Ankle coil | Available to config |
| 3.13 | Shoulder coil | Available to config |
| 3.14 | Body coil (Large) | Available to config |
| 3.15 | Breast coil | Available to config |
| 3.16 | Joint analysis coil | Available to config |
| 3.17 | Wrist coil | Available to config |
| Remark:The coil configuration is subject to the final contract | ||
| 4 | Scan environment | |
| 4.1 | Patient table | Yes |
| 4.2 | Maximum patient weight | 200kg |
| 4.3 | Localizer | Yes |
| 4.4 | Position accuracy | 1mm |
| 4.5 | Table control system on both side of rack | Yes |
| 4.6 | Position accessories | Yes |
| 4.7 | ICE stop key | Yes |
| 4.8 | Calling system | Yes |
| 5 | Computer system | |
| 5.1 | MRI software | BASDA |
| 5.2 | IPC | Yes |
| 5.3 | OS | Windows 7 |
| 5.4 | CPU | ≥3.0GHz |
| 5.5 | RAM | ≥2.0GB |
| 5.6 | Monitor | 24″LCD TFT |
| 5.7 | Mouse and keyboard | Standard |
| 5.8 | Image reconstruction speed(256x 256) | 1500FPS |
| 5.9 | HDD | ≥500GB |
| 5.1 | HDD storage(256×256) | ≥2,650,000 |
| 5.11 | Storage type | DVD |
| 5.12 | DICOM 3.0 | Yes |
| 5.13 | Ethemet | Yes |
| 5.14 | System monitor | Multi-parameter |
| 5.15 | Monitor parameter | Pressure, temp, liquid level |
| 6 | Scanning parameter | |
| 6.1 | Max,FOV | 450mm |
| 6.2 | Min.FOV | 50mm |
| 6.3 | Min.2D slice thickness | 1.0mm |
| 6.4 | Min.3D slice thickness | 0.1mm |
| 6.5 | Max.imaging matrix | 1024×1024 |
| 7 | Sequence and technology | |
| 7.1 | Spin-echo sequence | Yes |
| 7.1.1 | FSE | Yes |
| 7.1.2 | FSE sharing technology | Yes |
| 7.2 | IR sequence | Yes |
| 7.2.1 | FIR | Yes |
| 7.2.2 | FLAIR | Yes |
| 7.2.3 | T1-FLAIR | Yes |
| 7.2.4 | Water-fat Separation | Yes |
| 7.2.5 | STIR | Yes |
| 7.3 | MRA(2D/3D TOF) | Yes |
| 7.3.1 | MRCP | Yes |
| 7.3.2 | MRUR | Yes |
| 7.3.3 | MRM | Yes |
| 7.3.4 | Ultra-fast water imaging technology | Yes |
| 7.4 | GRE 2D/3D | Yes |
| 7.4.1 | Fast GRE | Yes |
| 7.5 | DWI | Yes |
| 7.5.1 | Max.b value(s/mm2) | 1000 |
| 7.6 | Section scanning technology | Yes |
| 7.7 | Pre-saturation | Yes |
| 7.8 | Pre-saturation field adjustment | Yes |
| 7.9 | MIP | Yes |
| 7.1 | MinIP | Yes |
| 7.11 | 3D Reconstruction | Yes |
| 7.12 | Anti-movement scanning technology | Yes |
| 7.13 | Metal implant imaging | Yes |
| 7.14 | Online filter | Yes |
| 7.15 | Online post processing | Yes |
| 7.16 | 3D scout | Yes |
| 7.17 | Scanning parameter preset | Yes |
| 7.18 | Queue scanning technology | Yes |
| 7.19 | RF de-phase technology | Yes |
| 7.2 | lmage fusion technology | Yes |
| 7.21 | Eddy current adaptive correction | Yes |
| 7.22 | Gradient linearity correction | Yes |
| 7.23 | Multi-echo phase correction | Yes |
| 7.24 | Rapid automatic correction technology | Yes |
| 7.25 | Automatic frequency tracking technology | Yes |
| 7.26 | Automatic coil recognition technology | Yes |
| 7.27 | Echo navigation technology | Yes |
| 7.28 | RF balance drive technology | Yes |
| 7.29 | Gradient de-phase technology | Yes |
| 7.3 | Respiratory compensation | Yes |
| 7.31 | Elimination of magnetic sensitive artifact | Yes |
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