Siemens SOMATOM Definition dual source CT was used for routine plain scanning of the abdomen or pelvis. Scanning parameters were as follows: tube voltage of 120 Kv, tube current of 150 As, scanning layer thickness of 5 mm, a reconstruction layer thickness of 1 mm, and layer spacing of 1 mm.
Somatom definition dual source ct
Manufactured by Siemens
Sourced in Germany
The SOMATOM Definition dual source CT is a computed tomography (CT) imaging system manufactured by Siemens. It is designed to capture high-quality images by utilizing two X-ray sources and two corresponding detectors. This dual-source configuration enables faster scanning and enhanced image quality compared to single-source CT systems.
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Lab products found in correlation
3 protocols using somatom definition dual source ct
1
Abdominal and Pelvic CT Scanning
2
Imaging and Biomechanical Analysis Protocol
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The following experimental equipment was used:
CT scanner (Siemens SOMATOM Definition dual source CT, Germany; material: rare earth ceramic; high voltage generator: 80 kV; scan time: 0.32 s; slice thickness: 0.25 mm)
Motion‐capture system (Vicon T20s, UK; aperture setting: 2.3; frequency: 500 Hz’ distinguishability: 1600 × 1280; pixel: 200 W)
Dynamic fatigue‐testing machine (Bose ELF 3200, USA; maximum accelerated speed: 200 G; tensile load: ± 3000 N; torsional load: ±49 Nm; displacement stroke: 50 mm; frequency: 0.00001–100 Hz).
3
Contrast-Enhanced Abdominal CT Imaging
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Food and water were prohibited for 12 hours. Ten minutes before the examination, 15 mg of anisodamine was injected intramuscularly to reduce gastric motility, and 1200 mL of water was drunk to expand the gastric cavity. During the examination, after a plain scan in the supine position, 80 mL of radiocontrast agent (Ultravist 370, Bayer) was injected through the median cubital vein at 3.0 mL/s (High-Pressure Injector, CT Plus 150, Ulrich Medical). The scan ranged from the diaphragmatic dome to the anterior superior iliac spine. The arterial phase images were collected 30 seconds after the injection of the radiocontrast agent, and the portal vein phase images were collected at 65 seconds. The scanned CT images were exported from the Picture Archiving and Communication System system and workstation in Digital Imaging and Communications in Medicine format. The CT machine with a 64 LightSpeed VCT (GE Healthcare) or SOMATOM Definition Dual Source CT (Siemens) was adopted.
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