Dry powder inhaler
US11931506B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 22, 2018 |
| Grant date | Mar 19, 2024 |
| Priority date | — |
| Expiry date | Aug 12, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2206/20
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A novel dry powder inhaler. By providing a plurality of capsule chambers (1a, 1b, 1c, 1d) arranged in parallel in a capsule dry powder inhalation device, a medicine dispenser containing active components of a composite product or their mixture separately is provided. The dry powder inhaler has a simple structure and is convenient to operate. In addition, the parameters of air inlet channels and an air outlet channel can be adjusted by means of each capsule chamber (1a, 1b, 1c, 1d) according to the properties of powder of a medicine or a combination, so as to provide an appropriate particle distribution for each active component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.