![]() ![]() ![]() We discussed building aerosol boxes for our anesthesia team members on 3/23/20, built our first prototype 3/25/20, and conducted simulation testing 3/26/20. demonstrated with fluorescent dye that the box was effective at trapping cough droplets, and theorized it would also protect against aerosols. Lai's design was rapidly shared via social media and gained notoriety among US anesthesiologists. He designed the box two months earlier, during the COVID-19 outbreak in Wuhan, China, and found renewed interest from US physicians as surges of COVID-19 patients presented and PPE was scarce. Lai shared world-wide via a Creative Commons License. It was designed to keep physicians working in clinical environments safe during intubation, a known aerosol generating procedure, despite limited personal protective equipment (PPE), , ]. Hsien Yung Lai published his design for an aerosol box on 3/21/20.
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