22 March 2016 Twin robotic x-ray system for 2D radiographic and 3D cone-beam CT imaging
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Abstract
In this work, we provide an initial characterization of a novel twin robotic X-ray system. This system is equipped with two motor-driven telescopic arms carrying X-ray tube and flat-panel detector, respectively. 2D radiographs and fluoroscopic image sequences can be obtained from different viewing angles. Projection data for 3D cone-beam CT reconstruction can be acquired during simultaneous movement of the arms along dedicated scanning trajectories. We provide an initial evaluation of the 3D image quality based on phantom scans and clinical images. Furthermore, initial evaluation of patient dose is conducted. The results show that the system delivers high image quality for a range of medical applications. In particular, high spatial resolution enables adequate visualization of bone structures. This system allows 3D X-ray scanning of patients in standing and weight-bearing position. It could enable new 2D/3D imaging workflows in musculoskeletal imaging and improve diagnosis of musculoskeletal disorders.
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Andreas Fieselmann, Andreas Fieselmann, Jan Steinbrener, Jan Steinbrener, Anna K. Jerebko, Anna K. Jerebko, Johannes M Voigt, Johannes M Voigt, Rosemarie Scholz, Rosemarie Scholz, Ludwig Ritschl, Ludwig Ritschl, Thomas Mertelmeier, Thomas Mertelmeier, } "Twin robotic x-ray system for 2D radiographic and 3D cone-beam CT imaging", Proc. SPIE 9783, Medical Imaging 2016: Physics of Medical Imaging, 97830G (22 March 2016); doi: 10.1117/12.2212242; https://doi.org/10.1117/12.2212242
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