Cell phones, a habitual carry-on item, are also polluting the treatment environment. The correct use of the UV lamp is very important!
Effective disinfection of contaminated surfaces is critical to prevent the spread of hospital pathogens such as methicillin-resistant Staphylococcus aureus (MRSA) and Clostridium difficile.
Efforts in disinfection improvement have been primarily on high-frequency contact surfaces inwards. However, there is evidence that portable and other shared devices may also serve as a pathway for pathogen transmission. Mobile communication devices are among the most commonly used devices in hospitals, and studies have shown that in clinical settings, cell phones may be contaminated with microbiota and hospital pathogens carried by users.
Recently, an increasing number of healthcare facilities have begun using ultraviolet (UV) disinfection systems to limit the spread of hospital pathogens and prevent healthcare-associated infections. The most widely used UV disinfection systems include 254 nm ultraviolet C (UVC) irradiation germicidal lamps. UV disinfection systems are primarily used in open spaces because 254 nm UVC can cause damage to the skin and eyes. Previous reports have shown that 222 nm UVC lines, which are part of the far UVC spectrum (207-222 nm), have highly effective germicidal properties and are safer for human eyes and skin than UVC at 254 nm. However, there are few reports on the disinfection effectiveness of 222 nm UVC in clinical settings. In this study, the extent of MRSA contamination on hand pieces used exclusively by physicians in hospitals was investigated, as well as the disinfection efficacy of 222 nm UVC on these devices.
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