Invention Grant
- Patent Title: Drive mechanism for an injection device
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Application No.: US16636267Application Date: 2018-02-15
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Publication No.: US11617838B2Publication Date: 2023-04-04
- Inventor: Andrew Gordon Wallace , Andrew Mark Lindsay , Georgina Millington , Matthew Meredith Jones
- Applicant: SANOFI
- Applicant Address: FR Paris
- Assignee: SANOFI
- Current Assignee: SANOFI
- Current Assignee Address: FR Paris
- Agency: Fish & Richardson P.C.
- Priority: EP17305172 20170216
- International Application: PCT/EP2018/053740 WO 20180215
- International Announcement: WO2018/149902 WO 20180823
- Main IPC: A61M5/315
- IPC: A61M5/315

Abstract:
The disclosure relates to an injection device for expelling of a number of preset or user-selectable doses of a medicament. The injection device includes an elongated housing extending along an axial direction and configured to accommodate a cartridge containing the medicament and having a bung sealing a proximal end of the cartridge, a windup expelling mechanism, and a dose setting mechanism. The dose setting mechanism includes a handle, a dose tracking member, and a limiter. The dose tracking member is rotatable relative to the housing within a range of positional states and operatively connectable to the handle for tracking a rotation thereof. The limiter is operationally engageable with the dose tracking member and a trigger of the windup expelling mechanism for blocking actuation of the trigger when the dose tracking member is in one of a number of predetermined sections of the range of positional states.
Public/Granted literature
- US20200246549A1 DRIVE MECHANISM FOR AN INJECTION DEVICE Public/Granted day:2020-08-06
Information query
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