ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,207, issued on Dec. 23, was assigned to BIEDERMANN TECHNOLOGIES GMBH & Co. KG (Donaueschingen, Germany).
"Polyaxial bone anchoring device" was invented by Timo Biedermann (Trossingen, Germany) and Wilfried Matthis (Weisweil, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bone anchoring device includes a receiving part for coupling a rod to a bone anchoring element, the receiving part having a first end, a second end, a recess at the first end for receiving the rod, and a compressible head receiving portion at the second end for accommodating a head of the bone anchoring element, a pressure member positionable in the receiving part to exert...