Dose setting mechanism and drug delivery device
US9687612B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2011 |
| Grant date | Jun 27, 2017 |
| Priority date | — |
| Expiry date | Oct 9, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/6045
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dose setting mechanism that prevents dispensing of a drug when an incorrect cartridge assembly is attached to the dose setting mechanism. Dispense of a drug may be allowed by preventing rotation of a spindle nut of a drug delivery device, and dispense of a drug may be prevented by not preventing rotation of the spindle nut. Preventing dispense of a drug may be accomplished by preventing rotation of the spindle when an incorrect cartridge assembly is inserted. Preventing dispense of a drug may be accomplished by preventing the spindle from applying an axial force on the cartridge when an incorrect cartridge assembly is inserted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.