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Cric & Trach model for Cricothyrotomy training, Radboudumc — zdjęcie 1
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Cric & Trach model for Cricothyrotomy training, Radboudumc

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Cric & Trach model for eFONA training, developed by Radboudumc Anesthesiology & 3D Lab for airway professionals.

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Radboudumc Cric & Trach model.

This 3Dlab Radboudumc Cric & Trach model is developed by the departments of Anesthesiology Radboudumc and 3D lab Radboudumc, Nijmegen, the Netherlands. (Bruijstens, Loonen). The file and model are developed in addition to our local educational program in emergency front of neck access in (young) adults. This model is meant to be used as part of educational programs in front of neck airway management by airway professionals. We also use the models to train tracheo(s)tomy emergencies.

A previous and different model was developed and used for local training and presented during WAMM 2019 in Amsterdam. For that development, we would like to acknowledge experts who made their models freely available to download and use for education and research (University of Dundee and BodyParts3D,The Database Center for Life Science, dr Duggan (the 3D Cric Trainer) and Dr Buck (Vortex CICO rescue trainer).

We use blister tape to simulate the membrane layer and chamois leather to simulate the skin. It's important to replace the blister tape after each use. Stacking multiple layers of tape makes cutting more difficult, feels unnaturally stiff, and increases the risk of cutting your fingers.

To mimic both the skin and subcutaneous layers, two layers of different types of chamois can be used. For best results, moisten the chamois with water before use. To make palpation more challenging, modeling clay (such as playdough) can be added underneath. However, be aware that cutting through modeling clay with a scalpel will dull the blade quickly.

3D print instructions

  • Neck sections:
    • Material: PLA
    • Layer height: 0.2mm
    • Wall Thickness: 1.6
    • Infill: 10%
    • Support: Only on the bottom surface of the slots for the artificial skin
    • Orientation: both parts with the flat surface with the text imprinted on the printbed.
  • Thyroid cartilage and Cricoid cartilage with trachea:
    • Material: TPU, hardness from Shore 80A to 95A witch ever you like to get the best, has realistic feeling and based on the capabilities of your 3d printer.
    • Layer height: 0.2mm
    • Wall Thickness: 0.8
    • Infill: 10% Cross 3D
    • Support: Off
    • Orientation: Trachea with the inferior side on the printbed, and the thyroid cartilage with the superior side on the printbed.