Adhesive earplugs useful for sealing the ear canal
US11446182B2 · kind B2 · utility
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121References
19Claims
0Family size
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Key dates
| Filing date | Nov 15, 2019 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | Nov 5, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/325
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Systems and methods are provided for sealing an ear canal for retaining a solution in the ear canal. Adhesive earplugs are provided through which the solution can be delivered, and which, following delivery, retain the fluid in the ear canal. The systems and methods may also be useful for delivering an anesthetizing solution to the ear canal of a human patient and for maintaining the solution therein for use with an iontophoresis system for anesthetizing the tympanic membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.