ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,944, issued on June 17, was assigned to Amgen Inc. (Thousand Oaks, Calif.).
"Drug delivery device having pressurized vessel" was invented by Gregory Thomas Nowak (Somerville, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drive system for a drug delivery system includes a pressure chamber, a primary container, and a pressurized fluid. The pressure chamber has an outer surface and an inner surface that defines an interior volume. The primary container also has an outer surface and an inner surface that defines an interior volume to store a medicament to be administered to a user. The primary container is at least partially disposed within the...