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Mould constituents in the middle ear, a hearing-aid complication

Published online by Cambridge University Press:  08 March 2006

J. R. Hof ,
B. Kremer  and
J. J. Manni
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Abstract

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During the placement of a mould for a hearing-aid by a hearing-aid dispenser, moulding material entered the middle ear through pre-existent perforations in the tympanic membrane in both ears. Besides hearing loss, there were no other symptoms. Surgical removal of the moulding material by tympanotomy was necessary, and was complicated by encirclement of the ossicles by the material. All the material could be removed and the hearing was saved. Recommendations for an improved procedure of mould-making are made including more detailed information of the otoscopic findings at the prescriptions for hearing-aid moulds.

Keywords

Hearing aidsForeign bodyMigrationMiddle
Type
Research Article
Information
The Journal of Laryngology & Otology , Volume 114 , Issue 1 , January 2000 , pp. 50 - 52
Copyright
Royal Society of Medicine Press Limited 2000