Medicament delivery device
US10653831B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2014 |
| Grant date | May 19, 2020 |
| Priority date | — |
| Expiry date | Dec 2, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2206/22
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A medicament delivery device including a first container having a delivery outlet at a front end thereof and a first stopper axially moveable in the first container, the first stopper defining and separating a first chamber and a second chamber in the first container, where the first chamber is axially forwards of the first stopper and the second chamber is axially rearwards of the first stopper. The medicament delivery device further includes a second container having a second stopper axially moveable in the second container, the second stopper defining and separating a third chamber and a fourth chamber in the second container, where the third chamber is axially forwards of the second stopper and the fourth chamber is axially rearwards of the second stopper, and where the third chamber has a vent outlet in fluid communication with a venting chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.