ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,415, issued on April 14, was assigned to BIEDERMANN TECHNOLOGIES GMBH & Co. KG (Donaueschingen, Germany).
"Polyaxial bone anchoring device" was invented by Lutz Biedermann (VS-Villingen, Germany) and Wilfried Matthis (Weisweil, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A polyaxial bone anchoring device is provided including a bone anchoring element (1) comprising a head (3) and a shank (2); a receiving part (4, 4') for receiving a rod (100) for coupling the rod to the bone anchoring element, the receiving part comprising a first end (4a), an opposite second end (4b) and a central axis (C) extending through the first end and the second ...