| 20090141920 | Ear Mold - [Technical Problem] In regard to an ear mold for a hearing aid, there are provided the ear mold which a metal bush is settled in a tube for joint of the hearing aid, said metal bush has been used on account of settlement of said tube for joint of the hearing aid, and which a tube is adhered by an adhesive, the adhesive has been used on account of settlement of said tube. However, said ear mold has disadvantages that said tube is easily moved for the reason of instability, said tube drops out from the ear mold, and the ear mold occurred the problem of a phenomenon of a howling by sound leak-out. | 06-04-2009 |
