Spacer or actuator for inertial removal of the non-respirable fraction of medicinal aerosols
US6932082B2 · kind B2 · utility
31Cited by
20References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 20, 2003 |
| Grant date | Aug 23, 2005 |
| Priority date | — |
| Expiry date | Feb 20, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2206/16
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention comprises a medicinal inhaler spacer or actuator comprising a chamber having a proximal end closed by a proximal plate, a tangentially aligned inlet on the proximal end of the chamber, a tapered distal end, and an outlet extending through the proximal plate into and communicating with the chamber. Spacers of the present invention may be used to increase the respirable fraction of a medicinal aerosol inhaler. The invention also comprises medicinal aerosol inhalers and methods of delivering drug to the lung of a mammal employing these spacers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.