ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,431, issued on March 3, was assigned to BIEDERMANN TECHNOLOGIES GMBH & Co. KG (Donaueschingen, Germany).
"Polyaxial bone anchoring device" was invented by Lutz Biedermann (VS-Villingen, Germany), Achim Schunemann (VS-Muhlhausen, Germany), Dimosthenis Dandanopoulos (VS-Schwenningen, Germany) and Wilfried Matthis (Weisweil, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A polyaxial bone anchoring device includes a receiving part having a longitudinal axis, a channel for receiving a rod, and an accommodation space for pivotably holding a head of a bone anchoring element, and a pressure member configured to be positioned in the receiving part an...