• A&A practice · Jun 2020

    Case Reports

    Unexpected Obstruction of a Parker Flex-Tip Endotracheal Tube Caused by Outward Bending of Its Tip: A Case Report.

    • Keisuke Yasunami, Ichiro Takenaka, Tomoko Minami, and Haruhiko Sano.
    • From the Department of Anesthesia, Kyushu Rosai Hospital, Kitakyushu, Japan.
    • A A Pract. 2020 Jun 1; 14 (8): e01232.

    AbstractWe report a case of Parker Flex-Tip endotracheal tube obstruction caused by its tip bending outward against the tube lumen. The Parker Flex-Tip tube tip is designed to bend inward to prevent damage to airway structures during intubation. However, when its tip is bent outward, the tube aperture is distorted, shifts against the tracheal wall, and is occluded. Moreover, the cross-sectional area of the openings on the side of the endotracheal tube, the "Murphy's eyes" which are ellipses, decrease because the openings are pulled parallel to their long axis. Outward bending of the tip can obstruct the tube.

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