Magnetom Espree

Description

Overview

The Siemens MAGNETOM Espree 1.5T revolutionized high-field MRI design by bridging the gap between open-MRI patient comfort and 1.5-Tesla image quality. Engineered specifically for claustrophobic, anxious, pediatric, and bariatric patients, the system features a flared $70\text{ cm}$ bore aperture and an ultra-short $125\text{ cm}$ magnet design. With approximately $30\text{ cm}$ of headroom during head-first scans, patients experience a roomier scan environment that significantly lowers anxiety and rescan rates.

Driven by Siemens’ Tim (Total Imaging Matrix) technology, the MAGNETOM Espree allows technologists to connect up to 76 matrix coil elements seamlessly across multiple body regions simultaneously. This eliminates the need for manual coil repositioning and enables continuous multi-station acquisitions up to $205\text{ cm}$. Supported by a robust $250\text{ kg}$ ($550\text{ lbs}$) patient table load limit and an ultra-compact suite requirement ($<30\text{ m}^2$), the Espree remains an practical choice for diagnostic imaging centers looking to expand their patient accessibility.

Key Features & Advanced Technologies

• 70 cm Open Bore Architecture: Flared $70\text{ cm}$ opening combined with an ultra-short $125\text{ cm}$ magnet length allows over $60\%$ of routine exams (spine, abdomen, knee, pelvis) to be performed head-out or feet-first.

• Tim (Total Imaging Matrix) Technology: Integrates up to 76 coil elements with up to 32 independent receiver channels. Technologists can select and combine coil matrix elements dynamically without coil swaps or re-plugging.

• Z-Engine Gradient System: Delivers $33\text{ mT/m}$ amplitude and up to $170\text{ T/m/s}$ slew rate, providing gradient stability for fast 2D/3D acquisitions, DWI, and dynamic body studies.

• Bariatric & Pediatric Capability: High patient table weight capacity up to $250\text{ kg}$ ($550\text{ lbs}$) paired with a wide physical clearance accommodates larger or immobile patients who cannot fit into standard $60\text{ cm}$ closed-bore systems.

• iPAT Parallel Acceleration Engine: Advanced parallel imaging techniques (GRAPPA and mSENSE) reduce breath-hold durations and total exam times while maintaining spatial resolution.

• Zero Helium Boil-Off Magnet: Closed-loop cryogen management system prevents routine liquid helium boil-off under normal operating conditions, reducing long-term maintenance costs.

Technical Specifications