Novel Curved Tongue Depressor for the Easier Insertion of Supraglottic Airway Devices

Abstract

Background: The i gel™ is a single use supraglottic airway management device used in anesthesia delivery. However, the insertion of the i gel™ has been associated with challenges, particularly related to the tongue obstructing the procedure. Currently available straight tongue depressors designed for awake patients in a sitting position are ineffective for unconscious or anesthetized patients who lack tongue control. Anesthetists resort to using fingers to control the tongue, leading to drawbacks such as messiness, injury risks, and hygiene concerns. Aims and Objectives: To address these issues, a curved tongue depressor has been proposed. Materials and Methods: Unlike conventional flat tongue depressors, the curved design conforms to the natural shape of the tongue, offering better control. This tongue depressor is specifically shaped to gently push the tongue, facilitating smooth i gel™ insertion without adversely affecting oral structures. Results: The dimensions are aligned with the i gel™, and the prototype’s curvature resembles a Macintosh laryngoscope blade 3. Conclusions: This study highlights the need for an alternative solution to effectively depress the tongue, ensuring hygiene and minimizing injury risks during airway management procedures.