Dual-chambered drug delivery device for high pressure injections
US9408980B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2009 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | Dec 17, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/3128
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dual-chambered drug delivery device (201) includes a first chamber (205) in which a medicament is stored. A dose setting member (213) is rotated to set a medicament dose. The dose setting member (213) being rotatable to set the medicament dose. The dose setting member (213) is not axially moveable. A second chamber (221) is in fluid communication with the first chamber (205). The medicament dose is transferred to the second chamber (221) from the first chamber (205) prior to injecting the medicament dose. A needle (203) communicates with the second chamber (221) to inject the medicament dose into an injection site.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.