Hals-Nasen-Ohrenarzt, Lünen-Brambauer.
We report an 81-year-old man who suffered a rupture of the tympanic membrane during the taking of an impression for the fitting of a hearing aid. A large amount of impression material thus penetrated the middle ear. The symptoms and surgical treatment are reported. Criteria for the qualification of persons entrusted with the prescription and adaptation of hearing aids are presented to help to prevent similar incidents.