Tungsten alloy sheet applied for mobile CT scanner refers to a radiation shielding sheet placed behind the detector of the scanner for absorbing X-rays (not absorbed by the detector). Nowadays, the design of medical equipment is developing in the direction of miniaturization and convenience while taking the performance into account, and the same is true of CT equipment. In order to "offload" the mobile CT device, it is very important to choose a proper shielding material. Compared with traditional lead sheet, tungsten alloy sheet has higher density and stronger radiation protection performance, so it is more suitable as a radiation shielding sheet.
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In this special period, CT chest has been widely used as one of the diagnostic methods for novel coronavirus pneumonia. Wherein, the mobile CT device can realize the bedside CT examination of critically ill patients, and follow up the progress of the patient's condition in time. However, these critically ill patients need to undergo multiple chest CT examinations. So, how to reduce the harm of X-ray radiation to these patients? In fact, there are radiation shielding parts such as tungsten alloy sheets on the mobile CT scanner itself, which can minimize the irradiation dose.
