Tungsten alloy radiation shielding sheet is a lead-free shielding sheet that has excellent radiation shielding performance to X-rays and γ-rays, so it is mainly applied for CT room. Although walls of CT rooms have built with 37 solid bricks and the walls are coated with barium sulfate protective material (the ground and ceiling are also coated), the ceiling still needs to be protected by a lead plate of thickness of 3mm. Wherein, the lead equivalent depends on the parameters of CT device.
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In recent years, tungsten alloy radiation shielding sheets have gradually replaced lead plates for medical radiation protection as tungsten alloy sheet not only has better X-ray shielding effect and gamma-ray shielding effect than lead sheet, but has characteristics of strong corrosion resistance, acid and alkali resistance, and high hardness. More importantly, tungsten alloy is environmentally friendly and non-toxic.
Chest CT of the patients in fever clinics is an important means to help diagnose COVID-2019. While some patients are worrying about X ray radiation scattered from the CT device. In fact, under normal circumstances, CT examination has little impact on the patient's body as the entire CT room uses a radiation shielding design (of tungsten alloy radiation shielding sheets or lead sheets) and the diagnostic dose is controlled to a minimum.
