Expandable earpiece sealing devices and methods
US8678011B2 · kind B2 · utility
55Cited by
23References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2008 |
| Grant date | Mar 25, 2014 |
| Priority date | — |
| Expiry date | Sep 23, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R25/658
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Orifice insertion devices are provided. An orifice insertion device includes a stent and a plurality of sealing elements. Each sealing element is attached to the stent. At least one sealing element includes an expandable section configured to exert a pressure on an ear canal wall to seal an ear canal, without appreciable deformation of the ear canal wall. At least two of the plurality of sealing elements are formed from different materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.