All that seems well is not always well—intermittently malfunctioning flexometallic tracheal tubes Arya V.K. , Kumar A. , Radhakrishnan J. , Durairaju A.K. British Journal of Anaesthesia Volume 93, Issue 3, Pages 478-479 (September 2004) DOI: 10.1093/bja/aeh598 Copyright © 2004 British Journal of Anaesthesia Terms and Conditions
Fig 1 Fine surface cuts on a Portex flexometallic ETT extending over the embedded inflation tube (under magnification). British Journal of Anaesthesia 2004 93, 478-479DOI: (10.1093/bja/aeh598) Copyright © 2004 British Journal of Anaesthesia Terms and Conditions
Fig 2 Normal check for cuff patency when Portex flexometallic ETT is flexed with the embedded inflation tube on concave side. British Journal of Anaesthesia 2004 93, 478-479DOI: (10.1093/bja/aeh598) Copyright © 2004 British Journal of Anaesthesia Terms and Conditions
Fig 3 Occult air leak revealed (cuff deflated, arrow) when Portex flexometallic ETT is flexed with the embedded inflation tube on convex side (arrow). British Journal of Anaesthesia 2004 93, 478-479DOI: (10.1093/bja/aeh598) Copyright © 2004 British Journal of Anaesthesia Terms and Conditions
Fig 4 Occult air leak detected (air bubbles) when the Rusch flexometallic ETT is dipped in water, keeping the embedded inflation tube on its convex side. British Journal of Anaesthesia 2004 93, 478-479DOI: (10.1093/bja/aeh598) Copyright © 2004 British Journal of Anaesthesia Terms and Conditions