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Special Section Technical Briefs

Design of a Safer Tracheostomy Tube1

[+] Author and Article Information
Arpan Sarkar

University School of Nashville,
Nashville, TN 37212

Richard J. Hendrick, Ray A. Lathrop, Robert J. Webster, III

Department of Mechanical Engineering,
Vanderbilt University,
Nashville, TN 37235

Bret Alvis

Department of Anesthesiology,
Vanderbilt University,
Nashville, TN 37235

Accepted and presented at The Design of Medical Devices Conference (DMD2015), April 13-16, 2015, Minneapolis, MN, USA.

Manuscript received March 3, 2015; final manuscript received March 23, 2015; published online April 24, 2015. Editor: Arthur Erdman.

J. Med. Devices 9(2), 020939 (Jun 01, 2015) (3 pages) Paper No: MED-15-1132; doi: 10.1115/1.4030191 History: Received March 03, 2015; Revised March 23, 2015; Online April 24, 2015

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FIGURES IN THIS ARTICLE
Copyright © 2015 by ASME
Topics: Design , Membranes , Trachea
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References

Figures

Grahic Jump Location
Fig. 1

A tracheostomy tube is inserted into the trachea through an incision on the neck. Once inserted, the balloon is inflated to secure the tube in the trachea and maintain the airway.

Grahic Jump Location
Fig. 2

A cross-sectional depiction of the membrane design. The membrane covers the tube tip and the balloon (not pictured). A pull tube allows the surgeon to extract the membrane.

Grahic Jump Location
Fig. 3

The membrane is retracted through the tube, inverts its umbrella-like shape and is removed from the tracheostomy tube

Grahic Jump Location
Fig. 4

The mold and the silicone membrane are shown. The mold was 3D-printed and filled with DragonSkin to produce the membrane.

Grahic Jump Location
Fig. 5

The final prototype assembled to the tracheostomy tube

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