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Introduction:  Most current cricothyroidotomy simulation models are either expensive or low fidelity and limit the learner to an unrealistic simulation experience. The goal of this project is to innovate current simulation techniques by 3D printing anatomically accurate trachea models. By doing so emergency cricothyroidotomy simulation can be accessible, high fidelity, cost effective and replicable.  Methods:  3D modelling software was used in conjunction with a desktop 3D printer to design and manufacture an anatomically accurate model of the cartilage within the trachea (thyroid cartilage, cricoid cartilage, and the tracheal rings). The initial design was based on dimensions found in studies measuring the dimensions of tracheal anatomy. This ensured an appropriate anatomical landmark design was achieved. Several revisions of the model were designed and qualitatively assessed by medical and simulation professionals to ensure anatomical accuracy that exceeded that of the currently used, low cost, cricothyroidotomy simulation model in St. John’s.  Results:  Using an entry level desktop 3D printer, a low cost tracheal model was successfully designed that can be printed in under 3 hours. Due to its anatomical accuracy, flexibility and durability, this model is ideal for use in emergency medicine simulation training. Additionally, the model can be assembled in conjunction with a membrane to simulate tracheal ligaments and skin for appearance.  Conclusion:  The end result is a high fidelity simulation that will provide users with an anatomically correct model to practice important skills used in emergency airway surgery, specifically land marking, incision and intubation. This design is a novel, easy to manufacture, replicable, low fidelity trachea model that can be used by educators with limited resources such as those in rural and remote areas.

P049: Modelling and manufacturing of a 3D printed trachea for cricothyroidotomy simulation