Impression-taking pad and a method for taking an impression of an ear canal
US10070235B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 27, 2015 |
| Grant date | Sep 4, 2018 |
| Priority date | — |
| Expiry date | Sep 2, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2225/77
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
This invention relates to an impression-taking pad (10) for taking an impression (20) of an ear canal (30) by an impression-taking material, having a lateral end (el) to be arranged away from a tympanic membrane (35) in said ear canal (30); and a medial end (em) to be arranged proximate to said tympanic membrane (35). The impression-taking pad (10) comprises an outer body (2) tapering from said lateral end (el) to said medial end (em). The impression-taking pad (10) further comprises an inner body (3) for releasable engagement with a tool (11, 12) for visual inspection of the ear canal (30), the inner body (3) being configured to support insertion of the impression-taking pad (10) in the ear canal (30) by the tool (11, 12). The impression-taking pad (10) comprises a duct (5) at least partially defined by the inner body (3), forming at least part of an optical path for visual inspection of the ear canal (30); wherein the optical path further comprises an inspection window (6), closing said duct (5), configured to support inspection of the ear canal (30) during the insertion of the impression-taking pad (10) in the ear canal (30); The impression-taking pad (10) is further configured …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.