Self-fitting device for location in an ear canal
US7886745B2 · kind B2 · utility
10Cited by
19References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2008 |
| Grant date | Feb 15, 2011 |
| Priority date | — |
| Expiry date | Nov 29, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F11/10
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A self-fitting device for location in an ear canal. The device includes a body having a body ear end, an opposite body user end, and a shaft extending from the ear end to the user end. A resilient bladder is joined with the body ear end and a chamber is defined inside the resilient bladder where the chamber is in communication with the shaft and the resilient bladder has a wall portion and is deformable from an at-rest position to an in-ear position. The resilient bladder has a variable strength profile in the wall portion of the bladder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.