Polymer Tungsten Curtain Applied for Mobile CT Scanner

Polymer tungsten curtain is a kind of protective curtain made of a new radiation protection material - a composite material of tungsten powder and high molecular polymer (one or more of plastic, rubber or thermoplastic elastomer). According to the experts, polymer tungsten curtain is an important radiation shielding in a mobile CT scanner.

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The novel coronavirus pneumonia epidemic spreads globally. And the CT examination of the chest has become one of the means of clinical diagnosis. CT examination is actually an X-ray examination with radiation. It is estimated that a CT scan has a carcinogenic risk of 0.05% - 0.7% (generally estimated at 1/2000). For patients undergoing multiple CT scans, the risk may be as high as 2.7% or more. Large fixed CT scanners are generally installed in shielded rooms, and radiation protection measures are usually in place. However, mobile CT scanners may be moved to emergency rooms, intensive care units, and general wards at any time. Therefore, it must be equipped with radiation protection equipment. Before, there were lead curtains. With the development of technology, polymer tungsten curtain, as a lead-free shielding curtain, have been used to replace lead curtain.

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