Systems and methods for anesthetizing ear tissue
US8840602B2 · kind B2 · utility
39Cited by
64References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2009 |
| Grant date | Sep 23, 2014 |
| Priority date | — |
| Expiry date | Jun 10, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/36021
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A system and method for use in iontophoretic anesthesia of a tympanic membrane are disclosed. The system generally includes an earplug and an electrode device. The earplug includes at least one sealing member for sealing the earplug in an ear canal. The sealing member includes microholes which vent fluid above a certain pressure threshold. A headset may connect the earplug to a second earplug. The method involves using the system on a human or animal subject.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.