EP2452711A1 — Drive mechanism for a drug delivery device and drug delivery device
Assigned to Sanofi Aventis Deutschland GmbH · Expires 2012-05-16 · 14y expired
What this patent protects
Drive mechanism for a drug delivery device and drug delivery device The drive mechanism comprises a piston rod (7), a dose member (12) with a thread engaging a corresponding thread of the body (1) to allow a helical movement of the dose member with respect to the body, a dr…
USPTO Abstract
Drive mechanism for a drug delivery device and drug delivery device The drive mechanism comprises a piston rod (7), a dose member (12) with a thread engaging a corresponding thread of the body (1) to allow a helical movement of the dose member with respect to the body, a drive sleeve (11) rotationally coupled to the dose member, and stop means (14, 16) provided to restrict or inhibit a movement of the drive sleeve in the proximal direction and in the distal direction with respect to the body, the drive sleeve and the piston rod being unidirectionally coupled.
Drugs covered by this patent
- Ozempic (semaglutide) · Novo Nordisk
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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