Development and performance testing of the low-cost, 3D-printed, smartphone-compatible 'Tansen Videolaryngoscope' vs. Pentax-AWS videolaryngoscope vs. direct Macintosh laryngoscope: A manikin study.

European Journal of Anaesthesiology
Christopher T LambertAnna V John

Abstract

While videolaryngoscopes help in the management of difficult airways, they remain too expensive for those with limited resources. We have developed a robust, re-usable, low-cost videolaryngoscope at United Mission Hospital Tansen, Nepal, by combining a smartphone-compatible endoscope capable of capturing still and video images with a three dimensional-printed, channelled, hyperangulated blade. The computer-aided design file for the videolaryngoscope blade was emailed and printed in London before evaluation of its performance on a difficult airway manikin. To benchmark the intubation performance of the Tansen Videolaryngoscope (TVL) in a 'difficult airway' manikin (SimMan3G, tongue fully inflated, neck stiff), against a commercially available videolaryngoscope and a conventional Macintosh laryngoscope. A manikin study. Forty-three experienced videolaryngoscope users in two London teaching hospitals. Primary outcome: Intubation success rate. grade of laryngeal view, median time to intubation and intubator-rated 'ease of use'. Our device was equivalent to Pentax-AWS and superior to Macintosh laryngoscope (TVL vs. Pentax-AWS vs. Macintosh) in overall intubation success rate (88 vs. 98 vs. 67%, P < 0.05); grade of view (median Corma...Continue Reading

References

Mar 19, 2009·Anesthesiology·Takashi AsaiYasuhisa Okuda
Sep 5, 2013·Globalization and Health·Jacqueline W Depasse, Patrick T Lee
Oct 18, 2013·Journal of Clinical Monitoring and Computing·John George KarippacherilVenkateswaran Ramkumar
Aug 26, 2014·British Journal of Anaesthesia·C ZaouterT M Hemmerling
Jun 20, 2015·British Journal of Anaesthesia·F E KellyT Simpson
Nov 12, 2015·British Journal of Anaesthesia·C FrerkUNKNOWN Difficult Airway Society intubation guidelines working group
May 10, 2016·BMJ Innovations·Gerrit NiezenHarold Thimbleby
Feb 7, 2018·British Journal of Anaesthesia·A HiggsUNKNOWN Royal College of Anaesthetists

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