Dry powder drug-dosing device
US9750901B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 8, 2012 |
| Grant date | Sep 5, 2017 |
| Priority date | — |
| Expiry date | Oct 24, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2202/064
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dry powder drug-dosing device comprises a flow passage member (10), a drug powder storage container (19), and a drug-dosing metering component. A drug powder storage container (19), an annular manual rotation portion (3) and a rotational slide passage (23) are disposed on the outer surface of the housing. A sliding block (26) is disposed at an inner side of the annular manual rotation portion (3) A stirring gear (28) disposed on a transmission sleeve (27) is fit with the raised vibration tooth (21), so as to form a vibration component for enabling an outlet of the inverted conical drug powder storage container (19) to generate vibration. The dry powder drug-dosing device is applicable to the inhalation administration of various medicines in the form of dry powder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.