Medication delivery apparatus including a medication metering system
US9132244B2 · kind B2 · utility
3Cited by
7References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2010 |
| Grant date | Sep 15, 2015 |
| Priority date | — |
| Expiry date | Jul 28, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/8206
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A medication delivery apparatus (5) includes a reservoir for holding a liquid medication and a metering device (25) coupled to the reservoir for supplying a dose of the liquid medication to the reservoir. The metering device includes an upper chamber, a lower chamber coupled to the upper chamber, a piston selectively moveable within the upper chamber and the lower chamber and a valve providing selective fluid communication between the lower chamber and the reservoir in response to movement of the piston.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.