Evaluating the biomechanical characteristics of cuffed-tracheostomy tubes using finite element analysis

Dhananjay Radhakrishnan Subramaniam, Liran Oren, J. Paul Willging and Ephraim J. Gutmark

Computer Methods in Biomechanics and Biomedical Engineering, 2021, vol. 24, issue 14, 1595-1605

Abstract: The objective of this study was to perform finite element analysis (FEA) of cuff inflation within an anatomically accurate model of an adult trachea in four different cuffed-tracheostomy tube designs. The leakage quantified by the distance between the cuff and trachea was largest for the Tracoe cuff and smallest for the Portex cuff. The smooth muscle stresses were greatest for the Portex and least for the Distal cuff, respectively. The proposed FEA model offers a promising approach to virtually evaluate the sealing efficacy of cuffed-tracheostomy tubes and the tracheal wall stresses induced by cuff inflation, prior to application.

Date: 2021
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DOI: 10.1080/10255842.2021.1902511

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