Brief Overview: Siemens CT Definition 128
Siemens first released CT Definition 128 system in 2005 (Mid-Michigan, 2007). The system is characterized by two X-ray tubes and two detectors at the same time enabling it to capture two data sets of the same area/ slide. It enabled the system to be much faster, safer, and with high diagnosis accuracy.
The system has a wide range of features that make it stand out compared to other CT scanning systems. The features are listed and explained below.
The use of two X-ray energies used simultaneously – This was the most distinguishing feature because previous CT systems used one source of X-ray energy. With two sources of X-ray energies, the system enabled better differentiation, characterization and distinguishing of soft tissues, bones and fluids (Gupta, Chowdhury & Khandelwal, 2013). This is because more information is available for a single slide, two times what other CT systems could manage.
The system is characterized by 0.33 seconds per rotation, electrocardiogram-synchronized imaging that can be performed with 83-millisecond temporal resolution (Mid-Michigan, 2007). This feature enabled physicians to take images of all heart rates without the use of B-blockers, an aspect that other CT systems could not perform.
It had the longest bore opening (78-cm) and scan range (200-cm). (Mid-Michigan, 2007) It made it easy for the new system to image more of the patient’s body in a shorter time and with more comfort unlike other CT systems that focused on a smaller body section.
Performing full cardiac imaging at half the dose: It was characterized by 50 percent dose lower at normal heart rates as opposed to other CT scanners (Gupta, Chowdhury & Khandelwal, 2013). This is because it could produce images of the heart twice the speed with higher resolution.
It was smaller in size, taking up to 18.5 m2 of the floor space (Health Imaging, 2005). This feature was contributed by its slim gantry as well as its sleek design making it easy and simple to install. The size was small for a system that can perform almost/ full body imaging.
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