Drive assembly for a medication delivery device and medication delivery device comprising a drive assembly
US9370623B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2012 |
| Grant date | Jun 21, 2016 |
| Priority date | — |
| Expiry date | Mar 2, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/3152
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A drive assembly for a medication delivery device is provided, comprising a piston rod which is movable from a start position to an end position for medication delivery and resettable from the end position to the start position. The drive assembly further comprises a guide member, being in engagement with the piston rod, and an impeding element for impeding a movement of the guide member during a reset of the piston rod and thereby impeding the reset of the piston rod. Furthermore, a medication delivery device comprising the drive assembly is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.