Modified full-face snorkel masks as reusable personal protective equipment for hospital personnel

Autor: Cristián Muñiz Herrera, Ray C. Chang, Simon Ellgas, Peter Baek, Emma Pan, Thibaut Pollina, Nitin Arora, Quentin Allinne, Rozhin Hajian, Amit Jain, Kelly Yen, Khang Vu, Ross D. Venook, Anesta Kothari, Kyle Combes, Dominic Peralta, Ricardo Larrainzar-Garijo, Filip Kober, Samhita Banavar, James L. Dale, Eliott Flaum, Nicholas Cucinelli, Mélanie T. M. Hannebelle, David Kohn Bitran, Roberto Miki, Patrick Kolbay, Noah Jacobs, Philip J. Wagner, Beatriz Arias-Arco, Hongquan Li, Patrick Gerber, Laurel Kroo, Jocelyne Kohn, Gerry Ayala, John Pearson, Hazel Soto-Montoya, Grace Zhong, Manu Prakash, Rebecca Konte, Luca Borroni, Dave Kasper, George K. Herring
Jazyk: angličtina
Rok vydání: 2021
Předmět:
physiological impact
business.product_category
Physiology
Computer science
Respirators
01 natural sciences
0302 clinical medicine
Medicine and Health Sciences
Public and Occupational Health
Medical Personnel
030212 general & internal medicine
Respirator
Virus Testing
media_common
Multidisciplinary
Respiration
Masks
respirator
Equipment Design
Chemistry
Professions
Breathing
Exhalation
Physical Sciences
Engineering and Technology
Medicine
Safety Equipment
Anatomy
Safety
Research Article
Biotechnology
Chin
media_common.quotation_subject
Science
Equipment
Bioengineering
03 medical and health sciences
Diagnostic Medicine
Humans
Quality (business)
0101 mathematics
Personal Protective Equipment
Personal protective equipment
Adapter (computing)
010102 general mathematics
Chemical Compounds
Biology and Life Sciences
COVID-19
Carbon Dioxide
Models
Theoretical
Reliability engineering
Personnel
Hospital
Filter (video)
Face
People and Places
Medical Devices and Equipment
Population Groupings
Physiological Processes
business
Head
Filtration
Zdroj: PLoS ONE, Vol 16, Iss 1, p e0244422 (2021)
PLoS ONE
ISSN: 1932-6203
Popis: Here we adapt and evaluate a full-face snorkel mask for use as personal protective equipment (PPE) for health care workers, who lack appropriate alternatives during the COVID-19 crisis in the spring of 2020. The design (referred to as Pneumask) consists of a custom snorkel-specific adapter that couples the snorkel-port of the mask to a rated filter (either a medical-grade ventilator inline filter or an industrial filter). This design has been tested for the sealing capability of the mask, filter performance, CO2 buildup and clinical usability. These tests found the Pneumask capable of forming a seal that exceeds the standards required for half-face respirators or N95 respirators. Filter testing indicates a range of options with varying performance depending on the quality of filter selected, but with typical filter performance exceeding or comparable to the N95 standard. CO2 buildup was found to be roughly equivalent to levels found in half-face elastomeric respirators in literature. Clinical usability tests indicate sufficient visibility and, while speaking is somewhat muffled, this can be addressed via amplification (Bluetooth voice relay to cell phone speakers through an app) in noisy environments. We present guidance on the assembly, usage (donning and doffing) and decontamination protocols. The benefit of the Pneumask as PPE is that it is reusable for longer periods than typical disposable N95 respirators, as the snorkel mask can withstand rigorous decontamination protocols (that are standard to regular elastomeric respirators). With the dire worldwide shortage of PPE for medical personnel, our conclusions on the performance and efficacy of Pneumask as an N95-alternative technology are cautiously optimistic.
Databáze: OpenAIRE
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