| 发明名称 |
INTRA-AURICULAR OTOPLASTIC |
| 摘要 |
The invention relates to an intra-auricular otoplastic, in particular an int ra- auricular hearing-aid, which comprises a ventilation passage (39) for the eardrum. The shape and/or size of the cross-section of said passage alters along the length of the latter.
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| 申请公布号 |
CA2421294(A1) |
申请公布日期 |
2002.03.28 |
| 申请号 |
CA20002421294 |
申请日期 |
2000.09.25 |
| 申请人 |
PHONAK AG |
发明人 |
WEIDMANN, MARKUS;WIDMER, CHRISTOPH;HESSEL, HANS |
| 分类号 |
A61F11/08;G10K11/22;H04R1/10;H04R25/00;(IPC1-7):A61F11/08 |
主分类号 |
A61F11/08 |
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