Patent · US Active

Drive mechanism for a drug delivery device

US10632262B2 · kind B2 · utility

0Cited by

1References

20Claims

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	Apr 28, 2020
Priority date	—
Expiry date	Feb 13, 2036

Classification

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

Abstract

This disclosure relates to a drive mechanism for a drug delivery device and to a respective drug delivery device. The drive mechanism includes an elongated housing extending in an axial direction, an actuation member rotatably supported on the housing for setting of the dose. The drive mechanism further includes a last dose sleeve directly rotatably engaged with the actuation member and having at least one stop and a last dose member threadedly engaged with the last dose sleeve. The last dose member is further rotatably fixed to the housing and is operable to engage with the at least one stop to limit a rotation of the last dose sleeve.

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