Resettable drive assembly and drug delivery device
US9180255B2 · kind B2 · utility
2Cited by
1References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2010 |
| Grant date | Nov 10, 2015 |
| Priority date | — |
| Expiry date | Apr 26, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/582
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A resettable drive assembly for a drug delivery device (1) is provided. The drive assembly comprises a drive unit (3) for driving a piston rod (5) in a dispense operation of the device (1). The drive unit (3) comprises a first drive member (35), a second drive member (37) and locking means preventing a relative rotational movement of the first (35) and the second drive member (37) during a dispense operation and allowing a relative rotational movement for enabling a resetting of the device (1). Moreover, a drug delivery device (1) comprising a resettable drive assembly is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.