ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,539, issued on March 18, was assigned to Medmix Switzerland AG (Haag, Switzerland).
"Injection device with dose interruption fail safe" was invented by Joachim Keitel (Esslingen, Germany) and Herbert Bechtold (Denkingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dose setting mechanism is provided that includes a dose knob, a dose selector, a radial projecting rib and a snap element. The radial projecting rib is positioned circumferentially on an inside surface of the dose selector. The snap element includes a protrusion. The protruding rib has a reduced section that allows the protruding rib to move axially relative to the protrusion...