Clinical Care Division, Providence, Renton, WA.
Clinical Care Division, Providence, Renton, WA.
Am J Infect Control. 2020 Dec;48(12):1543-1545. doi: 10.1016/j.ajic.2020.07.019. Epub 2020 Jul 16.
Many healthcare systems have been forced to outsource simple mask production due to international shortages caused by the COVID-19 pandemic. Providence created simple masks using surgical wrap and submitted samples to an environmental lab for bacterial filtration efficiency testing. Bacterial filtration efficiency rates ranged from 83.0% to 98.1% depending on specific material and ply, and particular filtration efficiency rates ranged from 92.3% to 97.7%. Based on mask configuration, specific surgical wrap selected, and ply, the recommended filtration efficiency for isolation and surgical masks of 95% and 98%, respectively can be achieved. These alternative masks can allow for similar coverage and safety when hospital-grade isolation masks are in short supply.
由于 COVID-19 大流行导致的国际短缺，许多医疗保健系统被迫将简单口罩的生产外包。普罗维登斯使用手术包裹制作了简单的口罩，并将样本提交给环境实验室进行细菌过滤效率测试。细菌过滤效率根据特定的材料和层压而有所不同，范围从 83.0%到 98.1%，特定的过滤效率从 92.3%到 97.7%不等。基于口罩的结构、选择的特定手术包裹材料和层压，可分别实现 95%和 98%的隔离和手术口罩的建议过滤效率。在医院级别的隔离口罩供应短缺时，这些替代口罩可以提供类似的覆盖范围和安全性。
