ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,157, issued on June 24, was assigned to Novo Nordisk A/S (Bagsvaerd, Denmark).
"Injection device for delivering a liquid drug and a method of assembly" was invented by Nicolai Michael Villadsen (Oelstykke, Denmark) and Bo Kvolsbjerg (Helsingoer, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a pre-filled injection device with a non-removable cartridge wherein the drive mechanics comprises a threaded piston rod which is moved helically in a nut secured to a housing structure. During assembly of the injection device it is possible to rotate the nut member to thereby advance the piston rod into a position eliminating an...