Visual indicator for an aerosol medication delivery apparatus and system
US6904908B2 · kind B2 · utility
45Cited by
44References
52Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 2003 |
| Grant date | Jun 14, 2005 |
| Priority date | — |
| Expiry date | Jul 6, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A flow indicating system that includes a conduit that contains a substance, wherein the conduit defines a path along which the substance primarily flows and a viewing port attached to the conduit and the viewing port prevents substantially non-ambient atmosphere gases and substances from escaping therefrom and allows visualization of an internal space defined by the viewing port. A flow indicator that is positioned within the conduit so as to be viewed via the viewing port and is positioned so as to not to substantially interfere with a flow of the substance along the path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.