The Ultra fit community mask-Toward maximal respiratory protection via personalized face fit

Effective masking policies to prevent the spread of airborne infections depend on public access to masks with high filtration efficacy. However, poor face-fit is almost universally present in pleated multilayer disposable face masks, severely limiting both individual and community respiratory protec...

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Veröffentlicht in:PloS one 2023-03, Vol.18 (3), p.e0281050-e0281050
Hauptverfasser: Hyun, Chulho, Jensen, Mark M, Yang, Kisuk, Weaver, James C, Wang, Xiaohong, Kudo, Yoshimasa, Gordon, Steven J, Samir, Anthony E, Karp, Jeffrey M
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container_issue 3
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container_title PloS one
container_volume 18
creator Hyun, Chulho
Jensen, Mark M
Yang, Kisuk
Weaver, James C
Wang, Xiaohong
Kudo, Yoshimasa
Gordon, Steven J
Samir, Anthony E
Karp, Jeffrey M
description Effective masking policies to prevent the spread of airborne infections depend on public access to masks with high filtration efficacy. However, poor face-fit is almost universally present in pleated multilayer disposable face masks, severely limiting both individual and community respiratory protection. We developed a set of simple mask modifications to mass-manufactured disposable masks, the most common type of mask used by the public, that dramatically improves both their personalized fit and performance in a low-cost and scalable manner. These modifications comprise a user-moldable full mask periphery wire, integrated earloop tension adjusters, and an inner flange to trap respiratory droplets. We demonstrate that these simple design changes improve quantitative fit factor by 320%, triples the level of protection against aerosolized droplets, and approaches the model efficacy of N95 respirators in preventing the community spread of COVID-19, for an estimated additional cost of less than 5 cents per mask with automated production.
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subjects Aerosols
Analysis
Biology and Life Sciences
Coronaviruses
COVID-19
COVID-19 - prevention & control
Customization
Design
Droplets
Effectiveness
Engineering and Technology
Epidemiologic methods
Face
Filtration
Galvanized steel
Humans
Immunization
Lasers
Masks
Medicine and Health Sciences
Multilayers
N95 Respirators
Pandemics
Physical Sciences
Protective equipment
Public access
Public health
Respirators
Respiratory Protective Devices
Severe acute respiratory syndrome coronavirus 2
title The Ultra fit community mask-Toward maximal respiratory protection via personalized face fit
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