Device for oral administration of an aerosol for the rhinopharynx, the nasal cavities or the paranasal sinuses
US8894604B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 23, 2010 |
| Grant date | Nov 25, 2014 |
| Priority date | — |
| Expiry date | Feb 15, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/0681
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for administration of an aerosol includes a generator of particles of size between 10 nm and 200 um, a mouthpiece or mouth mask for oral administration of the aerosol during the nasal exhalation phase or during the respiratory pause phase preceding nasal exhalation, and a source of gas or pressure for conveying the particles. The mouthpiece is airtight, extends beyond the teeth of the patient by a maximum length of 4 cm, and administers the aerosol for the nasal cavities, the rhinopharynx or the paranasal sinuses during aerosol administration phases, such that the is successively applied to the mouth, the rhinopharynx and then the nasal fossae and the sinuses, and then the aerosol escapes via one or both of the patient's nostrils. The device does not allow exhalation via the mouth during aerosol administration phases, and the aerosol particles not being directed to the lungs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.