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Disinfection capabilities of a 222nm wavelength ultraviolet lighting device: a pilot study

See https://www.magonlinelibrary.com/doi/pdf/10.12968/jowc.2021.30.2.96 Objective: To demonstrate the efficacy of the SafeZone UVC (UshioInc., Japan) 222nm ultraviolet C (UVC) light to reduce bacterialburden in pressure ulcers (PUs) in human patients. This research isthe first human clinical trial using 222nm UVC in eradicating bacteriain human wounds. Method: Patients with Stage 2 or 3 (as defined by the revised NationalPressure Ulcer Advisory Panel Pressure Injury Staging System) sacral orgluteal pressure ulcers (PUs) were subjected to four sessions of 222nmUVC light therapy over two weeks. Pre- and post-UVC therapy, woundcultures were taken and quantitative analysis of bacterial colony formingunits (CFU) were performed. Results: A…
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