User disposable member for use within the ear canal and methods for manufacturing the same
US7600604B2 · kind B2 · utility
24Cited by
24References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 2006 |
| Grant date | Oct 13, 2009 |
| Priority date | — |
| Expiry date | Apr 14, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C44/5654
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A user-disposable member for placement and retention within the auditory anatomy, such as an ear canal. The user-disposable member includes a polymeric foam material, wherein the user-disposable member has a first portion having a peripheral outer surface having a first coefficient of friction, and a second portion having a peripheral outer surface having a second coefficient of friction different from the first coefficient of friction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.