Siemens Definition Flash

Description

Overview

The Siemens SOMATOM Definition Flash redefines high-end diagnostic performance by pairing extreme speed with minimal radiation exposure. Engineered as Siemens’ flagship second-generation dual-source CT scanner, it addresses high-volume, high-acuity clinical environments like emergency departments, pediatric units, and advanced cardiovascular suites.

By operating two complete imaging chains simultaneously on an ultra-fast 0.28-second rotating gantry, the Definition Flash captures whole organs in fractions of a second. Patients with severe arrhythmias, elevated heart rates, or those unable to hold their breath no longer pose a challenge. Furthermore, its Selective Photon Shield filters out low-energy scatter, making spectral Dual Energy characterization routine at doses comparable to standard single-energy exams.

Key Features & Advanced Technologies

• Flash Spiral Scan Mode: Operates at table feed speeds up to 458 mm/s (pitch up to 3.4). Acquires a complete thoracic scan in 0.6 seconds, eliminating respiratory motion artifacts without requiring patient breath-holds.

• 75 ms Native Temporal Resolution: Isolates rapid movement in coronary arteries without requiring beta-blocker pre-medication.

• Selective Photon Shield (Dual Energy): Integrates tin filter technology into the high-kV tube assembly. Eliminates non-diagnostic low-energy photons to deliver dose-neutral Dual Energy material decomposition (e.g., virtual non-contrast, iodine mapping, bone removal).

• Twin STRATON™ MX P Tubes: Direct-oil liquid cooling supplies an effective thermal dissipation rate of 7.3 MHU/min per tube. Offers 200 kW generator reserves (2 x 100 kW) for unlimited back-to-back scanning without thermal downtime.

• Stellar Detector Array: Directly converts signals at the photodiode layer to eliminate electronic background noise, preserving sub-millimeter diagnostic contrast in low-kV and obese patient studies.

• Comprehensive Dose Reduction Suite: Integrates SAFIRE™ model-based iterative reconstruction, CARE kV (automated voltage tuning), and Adaptive Dose Shield to lower overall dose profiles by up to 60%–80%.

Technical Specifications