Drug delivery device
US10226582B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 1, 2015 |
| Grant date | Mar 12, 2019 |
| Priority date | — |
| Expiry date | Aug 30, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/582
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present disclosure is generally directed to a drug delivery device for selecting and dispensing a number of user variable doses of a medicament comprising a clicker arrangement. The device comprises a housing (10), a dose selector (80) operable to set a dose by rotation relative to the housing (10), a number sleeve (60) coupled to the dose selector (80) and arranged within the housing (10) such that at least a portion of the number sleeve (60) is visible through a first aperture (11b) in the housing (10), a piston rod (30) coupled to the housing (10) and to a drive sleeve (40) such that rotation of the drive sleeve (40) relative to the housing (10) causes the piston rod (30) to translate relative to the housing (10), a clutch (120) arranged between the number sleeve (60) and the drive sleeve (40), and a dispense clicker comprising a flexible arm (123) and a toothed profile (75). The device further comprises a button (70) operable to effect dose dispensing. The clutch comprises a separate clutch element (120) which is permanently rotationally constrained to the number sleeve (60). The flexible arm (123) is provided on the clutch element (120) and the toothed profile (75) is prov…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.