Surface acoustic wave device for the nebulisation of therapeutic liquids
US11311686B2 · kind B2 · utility
0Cited by
24References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 11, 2015 |
| Grant date | Apr 26, 2022 |
| Priority date | — |
| Expiry date | Dec 24, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/14502
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device is disclosed for the preparation of nebulised droplets, for inhalation. The device has: a surface acoustic wave (SAW) transmission surface; a SAW transducer adapted to generate and propagate SAWs along the SAW transmission surface; and an array of cavities opening at the SAW transmission surface for containing a liquid. In operation, SAWs propagating along the SAW transmission surface interact with the liquid in the cavities to produce nebulised droplets of the liquid. Operation of the device results in a nebulised plume of droplets of average diameter in the range 1-5 μm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.