Permanent tympanic ventilating tube.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D004427:Ear Diseases / Q000601:surgery; D005064:Eustachian Tube; D006801:Humans; D007440:Intubation; D008875:Middle Aged; D010033:Otitis Media / Q000601:surgery; D011182:Postoperative Care; D019736:Prostheses and Implants; D012008:Recurrence; D014432:Tympanic Membrane / Q000601:surgery*