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Updated: Feb 11, 2026

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Manufacture of a Multi-Purpose Low-Cost Animal Bench-Model for Teaching Tracheostomy
Published on: May 18, 2019
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An animal tissue simulation assessing three directional displacement forces on five common tracheostomy securing
Annals of the Royal College of Surgeons of England
|April 26, 2018
Summary
Securing tracheostomy tubes with sutures, especially medially placed ones, requires significantly more force to displace compared to standard tube holders. Lateral displacement requires the least force.
Area of Science:
- Medical Devices
- Surgical Techniques
- Biomechanical Engineering
Background:
- Various methods exist for securing tracheostomy tubes, including ties, tapes, and sutures.
- Objective, wet lab-based studies quantifying displacement forces for different securing techniques are lacking.
Purpose of the Study:
- To objectively compare the forces required to displace tracheostomy tubes secured with different methods using an animal tissue model.
- To identify the most effective tracheostomy tube securing technique based on displacement resistance.
Main Methods:
- A simulated tracheostomy stoma was created on a sheep neck model.
- Tracheostomy tubes were secured using various methods (ties, sutures).
- Tension tests were performed to measure displacement forces, with each technique repeated six times.
Main Results:
- Medially placed sutures demonstrated the highest resistance to displacement compared to other methods.
- Any suture technique required greater displacement force than the standard tracheostomy tube holder strap.
- Lateral displacement of the tube required the least force compared to perpendicular or oblique angles.
Conclusions:
- Suture-based methods provide superior security against tracheostomy tube displacement compared to standard straps.
- Medial suture placement offers the greatest resistance to displacement.
- Understanding displacement dynamics is crucial for optimizing tracheostomy tube security and patient safety.
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