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  • Tubes designed to provide communication between the middle ear and the external ear canal through a surgical hole in the tympanic membrane (i.e., myringotomy, also known as tympanoplasty). These devices typically consist of a small single-lumen polymeric (e.g., Teflon, Silastic) or, less frequently, metallic tube. Myringotomy tubes provide ventilation and drainage from the middle ear, reducing the risk of infections; they are intended mainly for children five years age or younger during the healing period in cases of secretory otitis media. The tubes are frequently used to bypass a blocked Eustachian tube, providing ventilation of the middle-ear cavity via the external ear canal.
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