A hearing aid body is provided that contains electronic hearing aid components and that is attachable to the user's body outside the ear canal. A conduit connects the hearing aid body to the flexible plug. The conduit enables sound emitted by the hearing aid to travel via the conduit to the flexible...http://www.google.fr/patents/US7778434?utm_source=gb-gplus-shareBrevet US7778434 - Self forming in-the-ear hearing aid with conical stent
Self forming in-the-ear hearing aid with conical stent
