Spacer assembly for drug delivery device
US11357918B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2018 |
| Grant date | Jun 14, 2022 |
| Priority date | — |
| Expiry date | Jan 8, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2207/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A drive assembly for a drug delivery system including a plunger member configured to engage and move a stopper within a container, a biasing member configured to move the plunger member, and an adjustable spacer assembly positioned between the plunger member and the stopper. The spacer assembly includes a spacer element attached to the stopper and at least one shim or includes a spacer element and a holder to which the spacer element is attached. The holder may be attached to the stopper and the spacer element may be attached to the holder by a threaded engagement. Also, a drug delivery system for injecting a medicament, the system including a container configured to receive a medicament, the container comprising a stopper configured to move within the container and a closure, a drive assembly as described above, and a needle actuator assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.