Description
The Siemens MAGNETOM Skyra 3.0T represents a benchmark standard in 3.0-Tesla wide-bore magnetic resonance imaging, combining exceptional diagnostic precision with high operational productivity. Designed to overcome traditional 3.0T signal non-uniformity and long scan times, the Skyra integrates Siemens’ TrueForm RF transmit technology and ultra-high-channel Tim 4G architecture. With its wide $70\text{ cm}$ gantry aperture, short $173\text{ cm}$ magnet length, and ultra-quiet acoustic packages, the system provides a spacious, comfortable environment for claustrophobic, pediatric, and bariatric patients up to $250\text{ kg}$ ($550\text{ lbs}$).
At the core of the Skyra’s performance is DirectRF technology, which digitizes the MR signal directly inside the receiver coils located on the patient. By eliminating signal loss across traditional long RF cables, the Skyra increases Signal-to-Noise Ratio (SNR) and spatial resolution. Managed by the DotGO workflow engine, the platform standardizes exam setups, automates slice positioning via AutoAlign, and customizes scans dynamically based on patient physiology, making it a high-performance workhorse for both high-volume diagnostic centers and advanced academic research institutions.
Key Features & Advanced Technologies
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70 cm Wide Bore with TrueForm Transmit: Spacious $70\text{ cm}$ open-bore design paired with TrueForm RF transmit technology, which shapes the $B_1$ RF field to match human anatomy, eliminating dielectric shading and RF shading artifacts common in 3.0T body imaging.
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Tim 4G Architecture & DirectRF: High-density matrix architecture supporting 48, 64, or 128 RF receiver channels and up to 204 integrated coil elements. Direct-to-digital RF signal processing preserves maximum signal integrity and SNR.
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DotGO Engine Automation Suite: Guided, intuitive user interface that automates scan setup, standardized protocol execution, and slice prescription (GOBrain, Spine Dot, Cardiac Dot, Abdomen Dot, and Knee Dot Engines).
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XQ Engine High-Output Gradients ($45\text{ mT/m}$ / $200\text{ T/m/s}$): High-amplitude, high-slew-rate gradients designed for dynamic multi-phase acquisitions, short echo times ($TE$), and ultra-high-b-value diffusion-weighted imaging (DWI).
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FREEZEit Free-Breathing Technology: Advanced motion-suppression body imaging sequences (TWIST-VIBE 3D dynamic dynamic contrast and StarVIBE radial free-breathing) that allow motion-free abdominal and pelvic scans without mandatory breath-holds.
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Quiet Suite Acoustic Dampening: Reduces acoustic noise pressure levels during neurological, orthopedic, and pediatric exams by up to $97\%$ ($30\text{ dB}$ attenuation) without degrading gradient output or scan time.
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Zero Helium Boil-Off Technology: Advanced sealed cryogenic system prevents routine helium consumption during continuous operation, significantly lowering long-term operating costs.
Technical Specifications
| Parameter | Specification |
| Field Strength | $3.0\text{ Tesla}$ Superconducting |
| Gantry Bore Diameter | $70\text{ cm}$ Flared Wide-Bore |
| System Length (Cover-to-Cover) | $173\text{ cm}$ Compact System Design |
| Max Field of View (FOV) | Up to $50\text{ cm} \times 50\text{ cm} \times 45\text{ cm}$ ($205\text{ cm}$ Tim whole-body) |
| Gradient Performance (XQ Engine) | $45\text{ mT/m}$ Peak Amplitude / $200\text{ T/m/s}$ Slew Rate (Per Axis) |
| RF Receive Channels | Configurable: 48, 64, or 128 Independent DirectRF Channels |
| Coil Matrix Elements | Up to 204 Integrated Tim 4G Matrix Elements |
| Patient Table Weight Limit | $250\text{ kg}$ ($550\text{ lbs}$) High-Capacity Table |
| Workflow Suite | DotGO Engine, Dot Cockpit, AutoAlign, Quiet Suite, FREEZEit |
| Helium System | Zero Helium Boil-Off Technology |
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