ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,229, issued on Dec. 2, was assigned to Novo Nordisk A/S (Bagsvaerd, Denmark).
"Reusable torsion spring driven injection device" was invented by Nikolaj Eusebius Jakobsen (Soeborg, Denmark), Ebbe Kiilerich (Copenhagen, Denmark) and Lee Higson (Tisvilde, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an injection device wherein the drive element transferring rotation to the piston rod is divided into two elements which are able to move axially in relation to each other such that the drive mechanism can be released to allow the user to reset the piston rod and change the cartridge."
The patent was filed on July 12, 2021...