0.5T Open Permanent Magnet MRI System
This 0.5T MRI system uses a dual-column open permanent magnet architecture with an automatic constant-temperature control system. The platform combines a 0.5 Tesla Nd-Fe-B magnet, 25 mT/m gradient strength, 4-channel fully digital RF acquisition, phase-array receiving coils and a Windows-based MRI workstation.
The open magnet geometry provides a 40 cm vertical gap and wide horizontal accessibility, while the integrated patient positioning system, DICOM 3.0 connectivity and advanced MRI sequences support routine clinical magnetic resonance imaging workflows.
Other MRI Field Strength Options
In addition to this 0.5T open permanent magnet MRI system, UMY Medical also supplies 0.35T open MRI and 1.5T superconducting MRI systems for hospitals, imaging centers and medical projects with different clinical and installation requirements.
0.35T Open Permanent Magnet MRI System
A 0.35 Tesla open permanent magnet MRI system with 4-channel digital RF acquisition for facilities requiring a lower-field open MRI platform.
1.5T Superconducting MRI System
A 1.5 Tesla superconducting MRI system with 16-channel digital acquisition for hospitals and diagnostic imaging centers requiring a higher-field general-purpose MRI platform.
System Highlights
0.5T Permanent Magnet
The system uses a 0.5 Tesla permanent Nd-Fe-B magnet with automatic constant-temperature control to support stable daily MRI operation.
Open Dual-Column Design
The dual-column open architecture provides a 40 cm vertical gap and approximately 274° horizontal accessibility for improved patient access and positioning.
≤2.5 ppm Field Homogeneity
The specified magnetic field homogeneity is ≤2.5 ppm over a 40 cm DSV, supporting consistent field performance for routine imaging.
25 mT/m Gradient System
The gradient subsystem provides 25 mT/m single-axis gradient strength with a specified slew rate of 75 mT/m/ms and 0.3 ms rise time.
4-Channel Digital RF System
The RF subsystem uses fully digital transmit and receive architecture with four RF channels and phase-array receiving coils.
Advanced MRI Sequences
The system supports routine and advanced sequences including SE, GRE, FSE, STIR, FLAIR, DWI, TOF MRA, MRCP, MRU and MRM.
Open 0.5T Permanent Magnet
The magnet subsystem uses a permanent Nd-Fe-B magnetic structure with automatic constant-temperature regulation. The supplied project documentation specifies stable magnet temperature control around 28°C to support magnetic-field stability during operation.
| Magnet Type | Permanent Nd-Fe-B Magnet |
|---|---|
| Field Strength | 0.5T |
| Magnet Structure | Dual-Column Open Structure |
| Homogeneity | ≤2.5 ppm (40 cm DSV, VRMS) |
| Shim Method | Active / Passive / Dynamic |
| Vertical Gap | 40 cm |
| Horizontal Accessibility | Approx. 274° |
| 5 Gauss Fringe Field | 2.5 × 2.5 × 2.5 m |
Gradient Performance
The gradient subsystem uses air cooling and is specified for routine and advanced MRI acquisition. Self-shielding eddy-current control and dynamic high-order shimming are included in the system design.
| Gradient Strength | 25 mT/m, single axis |
|---|---|
| Gradient Slew Rate | 75 mT/m/ms, single axis |
| Rise Time | 0.3 ms |
| Gradient Cooling | Air Cooled |
Digital RF System
Fully Digital Spectrometer
The MRI platform uses a fully digital spectrometer with digital transmit and receive architecture.
4 RF Channels
Four RF channels support multi-channel signal acquisition with compatible phase-array receiving coils.
5 kW RF Transmitter
The transmitter amplifier is specified with 5 kW peak output power.
400 kHz Receiver Bandwidth
The receiver subsystem provides a specified bandwidth of 400 kHz with a dynamic range of at least 80 dB.
| Spectrometer | Fully Digital |
|---|---|
| RF Architecture | Digital Transmit and Receive |
| RF Channels | 4 |
| RF Transmitter Peak Power | 5 kW |
| Receiver Bandwidth | 400 kHz |
| Dynamic Range | ≥80 dB |
| Noise Factor | 0.3 dB |
| Coil Type | Phase Array |
Phase-Array Coil Configuration
The system supports dedicated phase-array receiving coils for different anatomical regions. The supplied standard configuration includes five main coil sets.
| Head Coil | Included / Configurable |
|---|---|
| Neck Coil | Included / Configurable |
| Small Body Coil | Included / Configurable |
| Large Body Coil | Included / Configurable |
| Knee Coil | Included / Configurable |
Patient Positioning and Communication
The patient table incorporates high-accuracy positioning assistance to support alignment of the examination region with the magnet isocenter.
| Maximum Patient Weight | 200 kg |
|---|---|
| Positioning Assist | High-Accuracy Positioning System |
| Localizer | Included |
| Positioning Accuracy | ≤1 mm |
| Positioning Accessories | Included |
| Emergency Call / Stop | Included |
| Communication System | Dual-Voice Communication |
MRI Workstation and Connectivity
The MRI workstation provides scan setup, examination control, image review and routine post-processing. DICOM 3.0 and Ethernet connectivity are included in the supplied system configuration.
| Operating System | Windows |
|---|---|
| CPU | ≥2.8 GHz |
| Memory | ≥4 GB |
| Hard Disk | ≥1000 GB |
| Display | 24-inch LCD |
| DICOM | DICOM 3.0 |
| Network | Ethernet |
| Media Drive | CRW / DVD |
Scanning Parameters
| Maximum FOV | 400 mm |
|---|---|
| Minimum FOV | 20 mm |
| Minimum 2D Slice Thickness | 1 mm |
| Minimum 3D Slice Thickness | 0.1 mm |
| Maximum Image Matrix | 1024 × 1024 |
MRI Sequences and Imaging Functions
The supplied software configuration includes both routine MRI sequences and multiple advanced imaging and post-processing functions.
Routine MRI Sequences
SE 2D/3D, GRE 2D/3D, FSE, FDE, FRFSE, SSFSE, MSFSE, IR and IRFSE.
Fluid and Fat-Sensitive Imaging
STIR and FLAIR sequences are supported for routine MRI examination workflows.
Vascular Imaging
TOF 2D MRA, TOF 3D MRA, MIP, MinIP and vascular image fusion functions are included.
Diffusion Imaging
DWI is supported with a maximum specified b-value of 1000 s/mm².
MRCP, MRU and MRM
The system includes MRCP, MRU and MRM imaging functions in the supplied software configuration.
3D and Post-Processing
3D positioning, image fusion, artifact suppression, thin-slice imaging, online filtering and post-processing functions are supported.
Standard System Configuration
The supplied configuration includes the core MRI system, receiving coils, workstation components, communication system and selected site-support equipment.
- 0.5T permanent Nd-Fe-B magnet.
- Automatic constant-temperature magnet system.
- Fully digital spectrometer.
- Preamplifier and RF amplifier.
- Flat-panel transmitter coil.
- Gradient amplifier and gradient coil.
- Computer and imaging monitor.
- Patient table and cover.
- Head, neck, small body, large body and knee coils.
- Quality-control water phantom.
- MRI safety signs.
- Technical, user and maintenance manuals.
- 3-phase AC voltage stabilizer.
- Dual-voice communication system.
- Patient-bed laser positioning system.
RF Shielding and Site Preparation
The supplied project configuration can include an RF shielding room with shielding door, observation window, transmission board, waveguide board, indoor lighting and one air-conditioning unit.
Civil works, concrete foundation, floor construction, external decoration, external electrical connection, independent grounding and other site-preparation items should be confirmed separately before project quotation.
Installation, Training and Service
UMY can provide pre-installation documentation, installation planning, equipment commissioning and on-site training according to the project schedule.
- Pre-installation site and utility documentation.
- Installation and commissioning planning.
- On-site equipment installation and testing.
- Operator training for medical personnel.
- Basic maintenance training for technical personnel.
- Remote maintenance support when network access is available.
Before Ordering
A 0.5T permanent MRI project should be configured according to the intended applications, room conditions and local installation requirements. Please provide the following information when requesting a quotation.
If another magnetic field strength is more suitable for your project, compare our
0.35T Open Permanent Magnet MRI System
or
1.5T Superconducting MRI System
before confirming the final MRI configuration.
- Destination country and installation location.
- Required quantity.
- Expected MRI examination types.
- Expected daily patient volume.
- Required receiving coil configuration.
- Available MRI room and equipment-room dimensions.
- RF shielding room requirements.
- Local electrical power conditions.
- Grounding and HVAC conditions.
- DICOM / PACS / RIS integration requirements.
- Required installation and training scope.
- Local registration, tender or documentation requirements.
Frequently Asked Questions
What type of magnet does the system use?
The system uses a 0.5T permanent Nd-Fe-B magnet with an automatic constant-temperature control system.
How open is the MRI magnet?
The current specification lists a 40 cm vertical gap and approximately 274° horizontal accessibility.
What is the gradient performance?
The system provides 25 mT/m single-axis gradient strength with a specified slew rate of 75 mT/m/ms.
Does the system support DWI and MRA?
Yes. The supplied imaging software includes DWI, TOF 2D MRA, TOF 3D MRA and related vascular post-processing functions.
Does the system support MRCP?
Yes. MRCP, MRU and MRM are included in the listed imaging software package.
What coils are included?
The supplied standard configuration lists head, neck, small body, large body and knee receiving coils.
Is an RF shielding room available?
Yes. The project configuration can include an RF shielding room package. Site construction responsibilities should be confirmed before quotation.
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