ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,151, issued on Jan. 13, was assigned to BIEDERMANN TECHNOLOGIES GMBH & Co. KG (Donaueschingen, Germany).

"Bone anchoring device" was invented by Timo Biedermann (Trossingen, Germany), Bernd Fischer (Braunlingen, Germany) and Berthold Dannecker (St. Georgen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bone anchoring device includes an anchoring element having a shank for anchoring in a bone and a head, a receiving part configured to pivotably receive the head, and a pressure member for exerting pressure on the head to clamp the head in the receiving part, the pressure member defining a head receiving recess for pivotably holding at least...