US8480631 — Hazardous agent injection system
Method of Use · Assigned to Antares Pharma Inc · Expires 2030-03-19 · 4y remaining
What this patent protects
This patent protects a hazardous agent injection system for delivering methotrexate.
USPTO Abstract
A hazardous agent injection system including from about 0.02 ml to about 4.0 ml of methotrexate at a concentration of from about 7.5 mg/ml to about 150 mg/ml; a needle-assisted jet injector including a container configured to contain the methotrexate; a injection outlet member associated with the container; an injection-assisting needle coupled to the injection outlet member; a firing mechanism associated with the container; an energy source associated with the firing mechanism; and a trigger mechanism associated with the firing mechanism, wherein the needle-assisted jet injector is configured to eject the methotrexate from the injection outlet member such that the C max , T max and bioavailability of the needle-assisted jet injected methotrexate falls between about 80% and about 125% of the C max , T max and bioavailability of methotrexate delivered by a hand-powered syringe.
Drugs covered by this patent
FDA Patent Use Codes
When a patent is method-of-use, FDA lists it once per applicable indication ("U-code"). Each U-code carves out a specific therapeutic use that generic filers must either license or design around.
| Code | Description | Drug |
|---|---|---|
U-1442 |
— | chembl-chembl34259 |
U-1442 |
— | chembl-chembl34259 |
U-1442 |
— | chembl-chembl34259 |
U-1442 |
— | chembl-chembl34259 |
U-1442 |
— | chembl-chembl34259 |
U-1442 |
— | chembl-chembl34259 |
U-1442 |
— | chembl-chembl34259 |
U-1442 |
— | chembl-chembl34259 |
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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