1. Comparison of three cuffed emergency percutaneous cricothyroidotomy devices to conventional surgical cricothyroidotomy in a porcine model 
C Murphy, S.J. Rooney, C.H. Maharaj, J.G. Laffey, B.H. Harte 
British Journal of Anaesthesia 
Volume 106, Issue 1, Pages (January 2011)
DOI: /bja/aeq294
Copyright © 2011 The Author(s) Terms and Conditions

2. Fig 1
Three cuffed cricothyroidotomy devices used in the study: (a) Quicktrach 2®, (b) cuffed Melker®, and (c) PCK®.
British Journal of Anaesthesia  , 57-64DOI: ( /bja/aeq294)
Copyright © 2011 The Author(s) Terms and Conditions

3. Fig 2
Cricothyroidotomy model: pig trachea covered in cured pelt and model connected to a lung simulator by a tracheal tube (arrow).
British Journal of Anaesthesia  , 57-64DOI: ( /bja/aeq294)
Copyright © 2011 The Author(s) Terms and Conditions

4. Fig 3
Posterior tracheal wall injury after cricothyroidotomy. (a and b) Minor (<5 mm) linear partial thickness laceration, (c) major (>5 mm) linear laceration, and (d) full thickness perforation. A scalpel handle has been inserted through the defect for illustrative purposes.
British Journal of Anaesthesia  , 57-64DOI: ( /bja/aeq294)
Copyright © 2011 The Author(s) Terms and Conditions