Medicament delivery device with rotator retaining the plunger rod
US12156992B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 22, 2021 |
| Grant date | Dec 3, 2024 |
| Priority date | — |
| Expiry date | Jul 28, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/3247
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A medicament delivery device extends along a longitudinal axis and includes: a generally tubular elongated housing having a proximal and a distal end, where the generally tubular elongated housing is arranged to accommodate a medicament container; a drive unit comprising a drive element and plunger rod operably arranged to act on the medicament container; a tubular element rotatably arranged in relation to the housing and operably arranged to the plunger rod, where the plunger rod includes at least one holding member and where the tubular element includes at least one arm extending generally transversal to the longitudinal axis of the device, wherein the at least one arm is arranged to engage the at least one holding member on the plunger rod to releasable hold the drive unit in an energy accumulated state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.