Patent · US Active

Drive mechanism of a drug delivery device

US10307541B2 · kind B2 · utility

0Cited by

0References

24Claims

0Family size

Assignee

Sanofi · FR

Inventors

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

Key dates

Filing date	Apr 8, 2014
Grant date	Jun 4, 2019
Priority date	—
Expiry date	Aug 4, 2034

Classification

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

Abstract

A drive mechanism of a drug delivery device for dispensing of a dose of a medicament includes a housing extending in an axial direction, and a piston rod to operably engage with a piston of a cartridge to displace the piston in an axial distal direction. The drive mechanism further includes a last dose sleeve rotatably supported in the housing and being selectively engageable with a dose setting mechanism for setting of a dose, and a last dose member threadedly engaged to the housing, rotatably locked to the last dose sleeve and axially displaceable relative to the last dose sleeve.

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