Patent · US Active

Drive mechanism for a drug delivery device

US10099015B2 · kind B2 · utility

0Cited by

16References

19Claims

0Family size

Assignee

Sanofi · FR

Inventors

Stefan Bayer · Würselen, DE
Daniel Berning · Baesweiler, DE
Philippe Blank · Düsseldorf, DE
Wolfgang Pelzer · Kreuzau, DE
Michael Pfoser · Würselen, DE
Björn Wilden · Simmerath, DE

Key dates

Filing date	Apr 8, 2014
Grant date	Oct 16, 2018
Priority date	—
Expiry date	Oct 2, 2034

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2205/582
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

The present invention relates to a drive mechanism for a drug delivery device for dispensing of a dose of a medicament, and to a respective drug delivery device, wherein the drive mechanism comprises: —an elongated housing (30) extending in an axial direction (1, 2), —a piston rod (80) to operably engage with a piston (16) of a cartridge (14) to displace the piston (16) in axial distal direction (1), —a drive sleeve (60) extending in axial direction (1, 2) and being rotatably supported in the housing (30), —a dose setting member (40) rotatably supported on a side wall portion (31) of the housing (30) and being rotatable with respect to an axis (41) extending in radial direction (r), —wherein the drive sleeve (60) is operably releasable from the piston rod (80) and rotatably engageable with the dose setting member (40) for setting of the dose.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.