| 摘要 |
The present invention discloses a universal flexible in-the-ear hearing aid, comprising a front portion of the hearing aid, a middle portion of the hearing aid and a rear portion of the hearing aid, the front portion of the hearing aid including a speaker, the rear portion of the hearing aid including a main body, the middle portion of the hearing aid including the sound transmission device, the sound transmission device is a flexible or soft-connection device, a end of the soft-connection device connected to the front portion of the hearing aid, another end of the soft-connection device connected to the rear portion of the hearing aid. The in-the-ear hearing aid supplied in the present invention can be completely put inside ear so that its invisibility is very good, it always keeps elastic contact with the ear canal, its front portion can be put to the deep ear canal so closer to human eardrum, comfortable and stable for wearing, there is circulation of air when wearing, it is not easy to make the user sweating by long time period wearing, effectively reduced the sound echo and occlusion effect, transmitted sound is clear, the gain loss is small, it is universal in-the-ear hearing aid for any kinds of hearing impaired patient. |
