Mask brace from FixTheMask.com. This seals a surgical mask (comparable in performance to an N95 respirator, an ASTM Level 1 mask stops 95% of the challenge particles) around the nose and mouth to prevent air from going around the sides.…
Use the Swiss Cheese Model to Fight Covid-19 from Manufacturing Engineering magazine (January 2021) shows how multiple countermeasures or nonpharmaceutical interventions can reduce the disease risk enormously.
Face Masks Really Do Matter. The Scientific Evidence Is Growing. from the Wall Street Journal. “Robert Redfield, director of the Centers for Disease Control and Prevention, said he believes the pandemic could be brought under control over the next four…
The Eyes are a Gateway for COVID-19: Safety Eyewear Can Help by Mary Padron The article warns that direct vented goggles can allow aerosols to enter. Indirectly vented ones are better, and non-vented ones are best. adds “Goggles that…
Face shields and safety goggles may reduce COVID-19 risk three-fold. “Their research, published in The Lancet in June, found that people are nearly three times more likely to get COVID-19 without eye protection (goggles or a face shield) than with it. “
COVID-19 is making a comeback because we are repeating the mistakes that were made in 1918, specifically letting our guard down when the disease still exists. People are not taking social distancing guidelines seriously, and resent wearing face masks. Gregory,…
FixTheMask offers designs for surgical mask sealers and braces that can be produced on 3D printers to improve the performance of surgical and other masks by preventing leakage around the sides. What is particularly impressive here is that fixthemask apparently…
“Researchers created a test to determine which masks are the least effective” By Alaa Elassar, CNN N95 respirators and surgical masks worked best, “Folded bandanas and knitted masks also performed poorly and did not offer much protection.”
The Case for Universal Cloth Mask Adoption and Policies to Increase Supply of Medical Masks for Health Workers “Our analysis suggests each cloth facemask generates thousands of dollars in value from reduced mortality risk. Each medical mask, when used by…
Fit testing looks like an unmet need for surgical and improvised face masks. If air can leak around the sides, it doesn’t matter how good the material is, and earloop masks look particularly bad along these lines. illustrates a…