The design and manufacture of 3D-printed adjuncts for powered air-purifying respirators.
AuthorMiles, LF; Chuen, J; Edwards, L; Hohmann, JD; Williams, R; Peyton, P; Grayden, DB
Source TitleAnaesth Rep
University of Melbourne Author/sChuen, Jason
Document TypeJournal Article
CitationsMiles, L. F., Chuen, J., Edwards, L., Hohmann, J. D., Williams, R., Peyton, P. & Grayden, D. B. (2020). The design and manufacture of 3D-printed adjuncts for powered air-purifying respirators.. Anaesth Rep, 8 (2), pp.e12055-. https://doi.org/10.1002/anr3.12055.
Access StatusAccess this item via the Open Access location
Open Access URLhttps://onlinelibrary.wiley.com/doi/full/10.1002/anr3.12055
Open Access at PMChttp://www.ncbi.nlm.nih.gov/pmc/articles/PMC7369400
Spurred in part by literature published in the immediate aftermath of the severe acute respiratory syndrome epidemic in 2003, powered air-purifying respirators have seen increased use worldwide during the COVID-19 pandemic. Whereas these devices provide excellent protection of the user, there is an added element of risk during doffing and cleaning of the device. An additional layer of barrier protection, in the form of a polypropylene gown, to be worn over the hood and motor belt, can be used to minimise this risk. However, the device entrains air perpendicular to the lie of the gown, resulting in the impermeable material being sucked into the air intake, and partial occlusion of flow. In this report, we describe a clinical-academic partnership whereby a bespoke filter guard was designed to disrupt airflow and prevent gown entrainment, thereby enabling full barrier protection of both the device and user. This intervention was simple, cheap, scalable and able to be mass produced.
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