ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,409, issued on Nov. 11, was assigned to BIEDERMANN TECHNOLOGIES GMBH & Co. KG (Donaueschingen, Germany).
"Bone anchoring device" was invented by Lutz Biedermann (VS-Villingen, Germany), Wilfried Matthis (Weisweil, Germany) and Martin Meer (Vohringen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bone anchoring device includes an anchoring element having a shaft and a head, a receiving part having a coaxial bore and a seat for receiving the head, a pressure element configured to be movable within the bore, and a preload element being positionable between the head and the pressure element. When the head is inserted in the receiving part, th...