EP3703796A1 — Plunger and drug delivery device
Assigned to Sanofi SA · Expires 2020-09-09 · 6y expired
What this patent protects
The present specification relates to a plunger (40) configured to transmit a force from an energy source (30) to a piston (23) of a primary container (24), the plunger (40) comprising: - a plunger rod (41) configured to be subjected to the force from the energy source (30), the p…
USPTO Abstract
The present specification relates to a plunger (40) configured to transmit a force from an energy source (30) to a piston (23) of a primary container (24), the plunger (40) comprising: - a plunger rod (41) configured to be subjected to the force from the energy source (30), the plunger rod (41) having an inner surface (41.1) forming a cavity (41.2), wherein - a support element (41.4) adapted to constrain the energy source (30) within the cavity (41.2) protrudes radially inwards from the inner surface (41.1) into the cavity (41.2).
Drugs covered by this patent
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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