A 3D registration methodology to evaluate the goodness of fit at the individual-respiratory mask interface

J. W. R. Verberne, P. R. Worsley and D. L. Bader

Computer Methods in Biomechanics and Biomedical Engineering, 2021, vol. 24, issue 7, 728-739

Abstract: Respiratory masks are used to deliver non-invasive ventilation for cardiorespiratory pathologies. Masks must minimize skin tissue compression while maintaining a seal at the interface. Ill-fitting masks or those applied too tightly are implicated in pressure ulcer formation. This study aimed to analyse respiratory mask goodness of fit in a cohort of face shapes. A number of parameters were identified and analysed with a novel registration protocol. In the majority of cases, mask indentation exceeded the thickness of the interface material and significant gapping was observed. The size range was most appropriate for males, with only one size suitable for females.

Date: 2021
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DOI: 10.1080/10255842.2020.1849156

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