Dry powder inhaler
US12343470B2 · kind B2 · utility
0Cited by
15References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2020 |
| Grant date | Jul 1, 2025 |
| Priority date | — |
| Expiry date | Oct 6, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2209/06
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention provides dry powder inhaler (DPI) devices (100) for dispensing dry powder and methods for using the same. The DPI devices feature vortex mechanisms for directing air in a turbulent manner sufficient to entrain an amount of a dry powder dose for delivery into a user's lungs. The DPI devices feature replaceable dry powder cartridges (200). The DPI devices also feature a retractable configuration for storage and for accidental dispensing of dry powder. The DPI devices dispense dry powder in controlled dosages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.