ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,155, issued on March 25, was assigned to Waldemar Link GmbH & Co. KG (Hamburg, Germany).
"Modular endoprosthesis shaft system with rotation element" was invented by Helmut D. Link (Hamburg, Germany), Udo Borchers (Norderstedt, Germany) and Gunnar Erb (Hamburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an endoprosthesis shaft system for elongate bones, comprising an anchoring part and a shaft, which is formed from module elements that can be coupled by means of a plug-in connection, wherein a mutual rotation of the elements along the shaft is adjustable and is blocked by means of an anti-rotation mechanism. In o...