Drug delivery device with clutch feature
US11318257B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 1, 2017 |
| Grant date | May 3, 2022 |
| Priority date | — |
| Expiry date | May 10, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/581
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A drug delivery device comprising or adapted to receive a drug-filled cartridge, comprising a piston rod adapted to be rotated by a drive member to thereby move the piston rod distally during expelling, dose setting means allowing a user to simultaneously set a dose amount to be expelled, and a releasable locking mechanism adapted to rotationally lock the drive member relative to the housing during dose setting. The device further comprises release means actuatable between a dose setting mode and an expelling mode, wherein the locking mechanism is released when the release means is actuated from a dose setting mode to an expelling mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.