We found a match
Your institution may have rights to this item. Sign in to continue.
- Title
Detection of inner tube defects in co-axial circle and Bain breathing systems: a comparison of occlusion and Pethick tests.
- Authors
Szypula, K. A.; Ip, J. K.; Bogod, D.; Yentis, S. M.
- Abstract
The performance of the occlusion and Pethick tests in detecting faulty inner tubes in co-axial circle and Bain systems was compared. Twelve co-axial circle and 12 Bain anaesthetic breathing systems were tested using the occlusion and the Pethick tests. For each system, three tubes were intact, and the remaining nine had a defect deliberately created in the inner tube (three proximal, three middle and three distal). The investigators were blinded to which of the tubes were defective, and to each other’s results. The results showed 100% specificity for both tests. The sensitivity of the occlusion test for detecting faulty breathing systems was found to be good (98%). Our results suggest that the occlusion test should be performed in preference to the Pethick test when testing co-axial circle and Bain systems.
- Subjects
RESPIRATION; MEDICAL equipment testing; MANUFACTURING defects; CONFIGURATION management; OCCLUSION of gases; INNER tubes; EQUIPMENT &; supplies
- Publication
Anaesthesia, 2008, Vol 63, Issue 10, p1092
- ISSN
0003-2409
- Publication type
Article
- DOI
10.1111/j.1365-2044.2008.05568.x