Related Experiment Video
Updated: Aug 23, 2026

Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults
Published on: February 9, 2022
Assessing breathing-system filters
1Department of Anaesthetics and Intensive Care Medicine, University of Wales College of Medicine, Cardiff, UK. wilkes@cf.ac.uk
Abstract:
An assessment of 104 different breathing-system filters has been published by the United Kingdom's Medicines and Healthcare Products Regulatory Agency. Filtration performance was measured by determining the penetration of sodium chloride particles. Wide variations in performance were found. This rapid, easy assessment technique could be used to test each filter during manufacture.
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