ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,092, issued on Dec. 9, was assigned to WALDEMAR LINK GmbH & Co. KG (Hamburg, Germany).
"Trial neck piece for a joint endoprosthesis" was invented by Klaus Dmuschewsky (Hamburg, Germany) and Emel Altan (Dusseldorf, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A trial neck piece for a joint endoprosthesis is designed for temporary arrangement on a separate shaft body (60) that is insertable into a tubular bone (9). It comprises a fastening region (12) which can be plugged temporarily onto a head part (61) of the shaft body (60) by means of a plug connection (l l), and a neck region (IO) for receiving a joint element (19) of the joint endopros...