| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hearing aid insertable to an ear with a cerum protection device including non-porous membrane wherein an atmospheric pressure in a sound transmission path between a receiver and the cerum protection device can simply be adjusted. <P>SOLUTION: The hearing aid 1 has a housing including a first housing zone 2 facing the eardrum membrane and the second housing zone 3 facing away from the eardrum membrane when the hearing aid is worn, the cerum protection device 9 that is arranged in the first housing zone 2, a ventilation channel 4, with a first opening located in the first housing zone 2 and a second opening in the second housing zone 3, and the receiver 7 having a sound outlet opening 7A and the sound transmission path 8 located between the sound outlet opening 7A and the cerum protection device 9, and is provided with a pressure adjustment path 11 connected to the sound transmission path 8. <P>COPYRIGHT: (C)2007,JPO&INPIT |
