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A personal respirator specification for healthcare professionals treating COVID-19 (PeRSo)

A personal respirator specification for healthcare professionals treating COVID-19 (PeRSo)
A personal respirator specification for healthcare professionals treating COVID-19 (PeRSo)
The SARS-CoV-2 virus infection is a rapidly spreading global pandemic. Recent media coverage has highlighted the importance of protecting health-care workers together with issues surrounding availability and suitability of Personal Protective Equipment (PPE). Around 20% of healthcare workers treating COVID19 cases in Italy have become infected which leads to staff absence at a critical point during the pandemic, and unfortunately in some cases mortality.

PPE plays a major role in control programs. Standard PPE such as N95/FFP3 facemasks have limitations such as an ineffective seal during talking or after prolonged use, face shapes which cannot be adequately fitted, and logistical issues ensuring availability of the correct mask for each person. Furthermore, global stock is low, and issues around diagnostic testing specificity and turnaround time may lead to infectious patients receiving care from health care staff who are not wearing appropriate PPE.

To address acute shortcomings in PPE availability, we have developed a simple pressurised air purified respirator unit, incorporating a combination of inexpensive and widely available components parts. The prototype was developed to minimise the number and complexity of manufacturing steps with the intention that derivative versions could be developed in many different parts of the world, including low resource settings with minor modification, where transmission could be rapid amongst high population densities.

The “Personal Respirator – Southampton” (PeRSo) delivers HEPA filtered air from a battery powered fan-filter assembly through a lightweight hood/face mask that can be comfortably worn for several hours. Initial user feedback provided by doctors and nurses shows the PeRSo prototype was preferred to standard N95/FFP3 masks, being more comfortable, reducing time lost placing and removing PPE between patients, and allowing better communication. Preliminary tests indicate that the device removes microbes and passes the “fit tests” widely used to evaluate face masks. Full verification of the safety and the duration of effectiveness and durability of the device is required, as part of translation into use. Rapid upscale of production is required to protect healthcare workers from infection while the global situation accelerates, so that they can look after patients during the peak of the pandemic.
Elkington, Paul
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Dickinson, Alexander
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Mavrogordato, Mark
f3e0879b-118a-463a-a130-1c890e9ab547
Spencer, Daniel
c84608fb-1c80-427c-aaa2-671bdb416085
Gillams, Richard
89341fe4-db94-4d27-a5be-c092e2e8de5b
De Grazia, Antonio
cb3a7bf4-094b-4206-812e-b5537760f1e8
Rosini, Sebastian
5ee1c836-a1a6-47fd-84c1-7386ec72e334
Garay-Baquero, Diana J.
99f41e60-8617-4b5e-b519-ec18dfce3085
Diment, Laura
ae7297b9-3a62-4e7c-a52d-49aba51b7608
Mahobia, Nitin
cf61df75-633e-4622-abc7-271979c13d3f
Morgan, Hywel
de00d59f-a5a2-48c4-a99a-1d5dd7854174
Elkington, Paul
60828c7c-3d32-47c9-9fcc-6c4c54c35a15
Dickinson, Alexander
10151972-c1b5-4f7d-bc12-6482b5870cad
Mavrogordato, Mark
f3e0879b-118a-463a-a130-1c890e9ab547
Spencer, Daniel
c84608fb-1c80-427c-aaa2-671bdb416085
Gillams, Richard
89341fe4-db94-4d27-a5be-c092e2e8de5b
De Grazia, Antonio
cb3a7bf4-094b-4206-812e-b5537760f1e8
Rosini, Sebastian
5ee1c836-a1a6-47fd-84c1-7386ec72e334
Garay-Baquero, Diana J.
99f41e60-8617-4b5e-b519-ec18dfce3085
Diment, Laura
ae7297b9-3a62-4e7c-a52d-49aba51b7608
Mahobia, Nitin
cf61df75-633e-4622-abc7-271979c13d3f
Morgan, Hywel
de00d59f-a5a2-48c4-a99a-1d5dd7854174

Elkington, Paul, Dickinson, Alexander, Mavrogordato, Mark, Spencer, Daniel, Gillams, Richard, De Grazia, Antonio, Rosini, Sebastian, Garay-Baquero, Diana J., Diment, Laura, Mahobia, Nitin and Morgan, Hywel (2020) A personal respirator specification for healthcare professionals treating COVID-19 (PeRSo). engrXiv. (doi:10.31224/osf.io/rvcs3).

Record type: Article

Abstract

The SARS-CoV-2 virus infection is a rapidly spreading global pandemic. Recent media coverage has highlighted the importance of protecting health-care workers together with issues surrounding availability and suitability of Personal Protective Equipment (PPE). Around 20% of healthcare workers treating COVID19 cases in Italy have become infected which leads to staff absence at a critical point during the pandemic, and unfortunately in some cases mortality.

PPE plays a major role in control programs. Standard PPE such as N95/FFP3 facemasks have limitations such as an ineffective seal during talking or after prolonged use, face shapes which cannot be adequately fitted, and logistical issues ensuring availability of the correct mask for each person. Furthermore, global stock is low, and issues around diagnostic testing specificity and turnaround time may lead to infectious patients receiving care from health care staff who are not wearing appropriate PPE.

To address acute shortcomings in PPE availability, we have developed a simple pressurised air purified respirator unit, incorporating a combination of inexpensive and widely available components parts. The prototype was developed to minimise the number and complexity of manufacturing steps with the intention that derivative versions could be developed in many different parts of the world, including low resource settings with minor modification, where transmission could be rapid amongst high population densities.

The “Personal Respirator – Southampton” (PeRSo) delivers HEPA filtered air from a battery powered fan-filter assembly through a lightweight hood/face mask that can be comfortably worn for several hours. Initial user feedback provided by doctors and nurses shows the PeRSo prototype was preferred to standard N95/FFP3 masks, being more comfortable, reducing time lost placing and removing PPE between patients, and allowing better communication. Preliminary tests indicate that the device removes microbes and passes the “fit tests” widely used to evaluate face masks. Full verification of the safety and the duration of effectiveness and durability of the device is required, as part of translation into use. Rapid upscale of production is required to protect healthcare workers from infection while the global situation accelerates, so that they can look after patients during the peak of the pandemic.

Full text not available from this repository.

More information

Submitted date: 6 April 2020
Published date: 8 April 2020

Identifiers

Local EPrints ID: 439323
URI: http://eprints.soton.ac.uk/id/eprint/439323
PURE UUID: ad187313-57d0-4321-85f2-7f4374438412
ORCID for Paul Elkington: ORCID iD orcid.org/0000-0003-0390-0613
ORCID for Alexander Dickinson: ORCID iD orcid.org/0000-0002-9647-1944
ORCID for Richard Gillams: ORCID iD orcid.org/0000-0002-8597-8723
ORCID for Hywel Morgan: ORCID iD orcid.org/0000-0003-4850-5676

Catalogue record

Date deposited: 08 Apr 2020 16:40
Last modified: 07 Oct 2020 07:38

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Contributors

Author: Paul Elkington ORCID iD
Author: Daniel Spencer
Author: Richard Gillams ORCID iD
Author: Sebastian Rosini
Author: Diana J. Garay-Baquero
Author: Laura Diment
Author: Nitin Mahobia
Author: Hywel Morgan ORCID iD

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