Tympanic membrane pressure equalization tube
US9011363B2 · kind B2 · utility
50Cited by
27References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2013 |
| Grant date | Apr 21, 2015 |
| Priority date | — |
| Expiry date | Mar 21, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2002/183
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention is a tympanic membrane pressure equalization tube. The tube has a distal end and a proximal end and a tube lumen. A medial flange is located at the distal end of the tube and has 2 or more retention elements and a space between each retention element. A lateral flange is located at the proximal end of the tube. The outside diameter of the medial flange is greater than the outside diameter of the lateral flange and the diameter of the medial flange is between about 2.0 and 5.0 mm and the diameter of the lateral flange is between about 1.75 mm and 4.0 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.