EP1850892A1 — Prefilled needle assisted syringe jet injector
Assigned to Antares Pharma Inc · Expires 2007-11-07 · 19y expired
What this patent protects
A jet injector that includes a prefilled syringe (18). The syringe includes a fluid chamber (22) that contains a medicament. The syringe also has an injection-assisting needle (24), and a plunger is movable within the fluid chamber. A housing is configured for allowing insertion …
USPTO Abstract
A jet injector that includes a prefilled syringe (18). The syringe includes a fluid chamber (22) that contains a medicament. The syringe also has an injection-assisting needle (24), and a plunger is movable within the fluid chamber. A housing is configured for allowing insertion of the needle to a penetration depth. An energy source is configured for biasing the plunger to produce an injecting pressure in the medicament in the fluid chamber of between about 80 and 1000 p.s.i. to jet inject the medicament from the fluid chamber through the needle to an injection site.
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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