Powder delivery device
US10010705B2 · kind B2 · utility
18Cited by
20References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2011 |
| Grant date | Jul 3, 2018 |
| Priority date | — |
| Expiry date | Dec 2, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2202/064
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Provided is a device for the dispensing of powders of the type in which a generated gas flow entrains the powder to be dispensed and carries the powder from the device via a barrel. The barrel has a bore including a main portion with a continuous internal surface, and is characterized in that the length of the main portion is at least fifteen times its maximum internal diameter; and/or the internal bore of the main portion is tapered; and/or the barrel has an outwardly flared outlet portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.