Superconducting Magnetic Resonance Imaging (MRI) System
Table of Contents
1.Company Overview (GAGN Medical)
2.Product Advantages
3.Technical Specifications
4.After-Sales Service
5.Training Plan
1.Company Overview (GAGN Medical)
GAGN Medical was established in 2000, with its headquarters in Shenzhen, China. It is a national high-tech enterprise integrating research and development, manufacturing, sales, and service of medical imaging and radiotherapy equipment. The company is committed to providing comprehensive solutions in high-end medical imaging and radiotherapy technologies and services.
GAGN Medical’s R&D team is among the earliest in China engaged in the development of medical MRI systems. In alignment with the “Made in China 2025” strategy, the team has continuously overcome technical barriers, mastered core algorithms, developed key components, and introduced innovative systems. The company owns numerous proprietary technologies and hundreds of intellectual property rights, including patents, software copyrights, and exclusive technologies. Through independent innovation, GAGN Medical has established long-term collaborations with leading institutions such as Peking University, Harbin Institute of Technology, Southern Medical University, and South China University of Technology, promoting effective integration of industry, academia, research, and medical practice.
GAGN Medical has received multiple national, provincial, and municipal recognitions and awards, including “National High-Tech Enterprise,” “Second Prize of National Technological Innovation,” “Key High-Tech Enterprise of the National Torch Program,” “First Prize of China Machinery Industry Science and Technology Achievement,” “Famous Brand of Guangdong Province,” “Contract-Honoring and Trustworthy Enterprise of Guangdong Province,” as well as several engineering research center recognitions and innovation awards. Numerous scientific innovation and industrialization projects have received strong support from government authorities at all levels.
The company offers a comprehensive portfolio of products, including:
- Permanent magnet MRI systems (0.22T–0.50T)
- Superconducting MRI systems (0.5T–3.0T)
- CT systems (8 to 64 slices)
- Digital radiography (DR) systems (ceiling-mounted, U-arm, floor-mounted, mobile, GI systems, and mammography)
- Portable and cart-based color ultrasound systems
- Nuclear medicine equipment (PET-CT, SPECT, gamma cameras)
- Medical linear accelerators for radiotherapy
- Mobile medical solutions (mobile MRI, CT, screening vehicles, and field hospitals)
- Patient monitoring and ECG systems
- PACS systems, cloud platforms, and AI-based medical software
With over 10 product series and more than 100 models, GAGN Medical provides comprehensive solutions across the medical imaging ecosystem.
Five major product categories of GAGN Medical are included in the key development areas of the “Made in China 2025” initiative. The company is among the first in China to successfully develop domestic high-field 3.0T MRI systems. It also pioneered the world’s first open superconducting MRI systems at 0.5T and 0.7T, China’s first dedicated extremity MRI system, and the first fully self-developed SPECT system with independent intellectual property.
Driven by advanced technology, high quality, and reliable service, GAGN Medical has served over 3,000 customers worldwide. Its products are distributed across all provinces and regions of China and exported to more than 40 countries and regions in Europe, the Americas, Asia, and Africa, making it a key player in replacing imported high-end medical equipment.
2.Product Advantages
👉 GAGN Medical is one of the first domestic manufacturers in China to successfully develop superconducting MRI systems for medical applications, breaking the long-standing monopoly of international brands in the high-end MRI market.
The company holds 30+ patents and intellectual property rights related to superconducting MRI technology, demonstrating strong independent R&D capabilities.
🔬 Advanced System Performance
The 1.5T MRI system represents a new generation of superconducting MRI technology, featuring:
- High signal-to-noise ratio (SNR)
- High spatial resolution
- Excellent image contrast
- Faster scanning speed
- Wide field of view (FOV)
- Superior image quality
👉 A wide range of pulse sequences and imaging techniques ensures comprehensive clinical applications.
🧲 High-Performance Magnet System
- Active shielding superconducting magnet
- Excellent field homogeneity (up to 50 cm FOV)
- High magnetic field stability
- Zero Boil-Off helium technology
- 600 mm wide bore design for patient comfort
👉 Ensures stable performance and high-quality imaging even at the edges of the field.
⚠️ Intelligent Monitoring & Safety System
- Real-time monitoring of pressure, temperature, and helium level
- Automatic SMS alert system for abnormal conditions
- Effective prevention of quench risks
👉 Enhances operational safety and reduces maintenance risks.
🔇 Low-Noise Gradient Technology
- Noise reduced to 2/3 of conventional systems
- Built-in headphones with voice communication and music playback
👉 Provides a more comfortable and patient-friendly scanning experience.
⚙️ High-Efficiency Gradient & RF System
- Self-shielded gradient technology for accurate spatial encoding
- High gradient strength for better resolution and faster imaging
- Multi-channel RF system for higher SNR and faster acquisition
- Fully digital spectrometer with real-time monitoring
👉 Supports advanced imaging technologies and improves overall system efficiency.
💧 Reliable Cooling System
- Intelligent water-cooling system
- Automatic fault detection (overheating, leakage, etc.)
- One-click system recovery
- Backup cooling module
👉 Ensures continuous and stable system operation.
🧑⚕️ User-Friendly & Patient-Centered Design
- Patient table capacity up to 200 kg
- High-precision positioning system
- Dual-side operation for improved workflow
- Emergency stop function for safety
- DICOM 3.0 compatibility
👉 Enhances efficiency for operators and comfort for patients.
🧠 Advanced Clinical Applications
- Ultra-fast brain imaging protocols
- Motion artifact correction (K_Rotat technology)
- High-resolution DWI and SWI imaging
- High-contrast abdominal imaging
- 3D TOF angiography
👉 Delivers precise diagnosis across a wide range of clinical scenarios.
🚀 Future-Oriented Technology
- Continuous development of new imaging sequences
- Lifetime free software upgrades
👉 Ensures long-term value and technological competitiveness.
3.Technical Specifications
1. Magnet System
Magnet Type: Superconducting Field Strength: 1.5T Shielding Method: Active shielding Shimming: Active + Passive + Dynamic shimming Field Stability: ≤0.1 ppm/hour Field Homogeneity (VRMS):
- 45 cm: ≤0.832 ppm
- 40 cm: ≤0.323 ppm
- 30 cm: ≤0.107 ppm
- 20 cm: ≤0.041 ppm
- 10 cm: ≤0.002 ppm
Magnet Length (without cover): 157 cm Bore Diameter: 600 mm 5 Gauss Fringe Field: ≤2.5 m × 2.5 m × 4.0 m Liquid Helium Volume: 800 L Zero Boil-Off Technology: Yes
2.Gradient System
Max Gradient Strength: 41 mT/m
Max Slew Rate: 187 mT/m/ms
Rise Time: 0.22 ms
Max Gradient & Slew Rate Simultaneously Achievable: Yes
Cooling Method: Water cooling
Fully Digital Real-Time Gradient Control: Yes
3.RF System
RF Amplifier Power: 18 kW
Central Frequency: 63.87 MHz
Real-Time RF Energy Monitoring: Yes
Short-term & Long-term RF Monitoring: Yes
Parallel RF Receive Channels: 16
Parallel ADC Channels: 16
Dedicated Preamplifier per Coil: Yes
Parallel Imaging Platform: Yes
Max Receiver Bandwidth per Channel: ≥1.0 MHz
Transmit Bandwidth: 550 kHz
Signal Resolution: ≥16-bit
Fully Digital RF System: Yes
RF Noise Level: ≤0.45 dB
Multi-channel Phased Array Coil: Yes
4.Scanning Environment
Patient Table Drive: Electric
Positioning Accuracy: ≤0.5 mm
Minimum Table Height: 675 mm
Table Length: 2400 mm
Max Load Capacity: 200 kg
Max Table Travel: 2100 mm
Feet-First Entry Mode: Yes
Emergency Table Control: Yes
Dual-Side Table Control: Yes
Lighting, Ventilation & Call System: Adjustable
5.Computer System
MRI Software: GAGN
System Software: GAGN
CPU / OS: Windows Platform
Memory: ≥8 GB
Storage: ≥1000 GB
Display: 24-inch LCD
Resolution: 1920 × 1200
External Storage: DVD / USB
DICOM 3.0 Support: Yes
Optical Fiber Technology: Yes
6.Scanning Parameters
Spin Echo (SE): 2D/3D, FSE, single-shot, fat/water suppression
Gradient Echo (GRE): 2D/3D
Diffusion Imaging (DWI): b value up to 10000
Inversion Recovery (IR): FLAIR, STIR, in-phase/out-of-phase
Pre-saturation: Yes
Gating: Yes
Parallel Imaging (GRAPPA): Yes
Motion Artifact Correction: Yes
Min Slice Thickness:
2D: 0.1 mm
3D: 0.05 mm
FOV Range: 1 cm – 50 cm
7.Advanced Imaging Technologies
Body Imaging (ultrafast, in-phase/out-of-phase)
MRCP, MRU, MRM
Neuroimaging
DWI Post-processing
MR Angiography (MRA): 2D/3D TOF, multi-slab TOF
SWI Imaging
Parallel Imaging (Acceleration factor up to 4)
Artifact Reduction Technologies:
Flow compensation
Respiratory compensation
Motion correction
Susceptibility artifact correction
Eddy current correction
Gradient linearity correction
Automatic Functions:
Auto calibration
Auto frequency tracking
Auto coil recognition
Auto phase correction
Partial Scan Technology: Yes
4.After-Sales Service
After the contract comes into effect, we will promptly inform the customer of the equipment order status within the agreed timeline, and provide all necessary documentation for product installation and pre-installation requirements, including site preparation, power supply, gas supply, and grounding.
- Based on the equipment delivery schedule and site readiness, a detailed plan will be developed for installation, commissioning, and personnel training.
- Upon arrival of the equipment, we will immediately notify the customer and installation team, and carry out installation, commissioning, and training in accordance with the project plan.
- Warranty Policy:
- Standard warranty: 1 year
- Lifetime technical support
- Warranty period starts from the date of acceptance signing
- During the warranty period, maintenance services are provided free of charge (excluding travel and accommodation expenses)
- Equipment downtime caused by faults during the warranty period will extend the warranty accordingly
- Guaranteed equipment uptime: ≥ 95% (excluding official holidays)
- During the warranty period, all faults caused under normal operation conditions will be repaired by the manufacturer.
- Response time: within 24 hours
- Timely restoration of equipment operation is ensured
- (Excludes damage caused by improper use or site conditions)
- After the warranty period, the manufacturer will provide lifetime technical support and guarantee the supply of original spare parts.
Free software upgrades throughout the service life of the equipment
Maintenance will be provided at preferential pricing
5.Training Plan
1. Training for Medical Staff
The company is responsible for the installation, inspection, commissioning, operation, and maintenance of the equipment. During the on-site acceptance process, intensive training will be provided to medical staff to ensure they are fully proficient in operating the system.
The training includes:
- Introduction to system functions
- Operation manual and workflow guidance
- Proper daily maintenance procedures
- Safe and efficient operation of the equipment
2. Training for Technical / Service Personnel
Technical staff will be authorized to perform routine maintenance and basic troubleshooting, and to communicate with the manufacturer in case of system faults.
The training includes, but is not limited to:
- Understanding system functions
- Operation manual, routine inspection, and maintenance procedures
- Proper equipment care
- Troubleshooting of minor faults and downtime
- Calibration methods and requirements
- Equipment safety testing
- Risk management and reliability control
- Safe and efficient system operation
3. Training Arrangement
Number of trainees: based on customer requirements, typically 1–2 personnel
Training schedule will be mutually agreed upon by both parties
Training location: conducted either at the manufacturer’s facility or at the installation site by experienced instructors