| 摘要 |
1. In-the-ear-hearing aid, consisting of a housing (15) which has a sound entry opening (11) as well as a sound outlet and accommodates hearing aid portions, such as microphone (2), electronic amplifier components (3, 13), components for signal processing and signal emission, which has a sound duct (22) leading from a receiver (5) to the ear-drum and which is releasably connected with an otoplastic (21) which can be inserted into the auditory canal and to the end of which, facing the ear-drum and provided with an opening, the sound duct is directed, with the otoplastic, tapering to a smallest diameter at its end facing the ear-drum, having a hollowed-out portion penetrating it, characterised in that the shape of the housing (15) is even adapted to the shape of the hollowed-out portion of the otoplastic (21) within the auditory canal, in that the housing (15) can be inserted into the hollowed-out portion of the otoplastic (21) and in that the housing can be secured to the otoplastic in the region of the latter's end facing the ear-drum by means of a releasable latching arrangement (24, 25; 60-62). |
