Cartridge and needle assembly in combination
US10300213B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2015 |
| Grant date | May 28, 2019 |
| Priority date | — |
| Expiry date | Nov 21, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/2474
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to a combined cartridge and needle assembly (10, 15) for use in a re-useable injection device The cartridge (10) containing a pharmaceutical liquid drug and the needle assembly (15) with a needle cannula (25) is permanently attached to each other to form one single unit mountable in the re-usable injection device. The needle assembly (15) is preferably also provided with a spring operated telescopic shield (20) which carries a reservoir (40) containing a cleaning solvent for cleaning at least the distal tip (27) of the needle cannula (25) between injections.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.