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Preliminary Development and Engineering Evaluation of a Novel Cricothyrotomy Device
Jason P Carey1, Morgan Gwin1, Andrew Kan1
1Department of Mechanical Engineering, University of Alberta, Edmonton, AL, T6G 2G8, Canada.
Journal of Medical Devices
|April 25, 2020
Summary
A new emergency needle cricothyrotomy device (ENCD) was developed to improve ventilation during upper airway blockages. Evaluations showed the ENCD performed successfully, addressing limitations of current devices.
Area of Science:
- Medical Devices
- Emergency Medicine
- Surgical Innovation
Background:
- Cricothyrotomy is crucial for ventilating patients with upper airway obstruction.
- Existing cricothyrotomy devices have acknowledged limitations and clinical challenges.
- There is a need for improved devices addressing critical design specifications.
Purpose of the Study:
- To evaluate current cricothyrotomy devices and identify design improvements.
- To introduce and assess a novel emergency needle cricothyrotomy device (ENCD).
- To compare the ENCD's performance against established devices.
Main Methods:
- Literature, product, and patent reviews identified key cricothyrotomy devices.
- A new ENCD was designed based on identified specifications.
- Engineering, theoretical, and experimental assessments, including in situ porcine evaluations, were conducted.
Main Results:
- The Cook™ Melker device is preferred but has known issues.
- The newly developed ENCD met identified design specifications.
- In situ evaluations of the ENCD prototype demonstrated successful insertion, extraction, and cyclic force capabilities.
Conclusions:
- The proposed emergency needle cricothyrotomy device performed very well in initial evaluations.
- The ENCD shows promise in addressing limitations of current airway management devices.
- Further in-vitro and in-vivo studies are planned to further validate the ENCD's efficacy.
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