Patent 8419798 was granted and assigned to DePuy on April, 2013 by the United States Patent and Trademark Office.
A joint prosthesis includes a head component that is engaged to a bone stem through a mounting element. The mounting element is configured for articulating engagement with the stem to permit angular positioning of the head component in multiple degrees of freedom. The mounting element is fastened to the stem by a press-fit engagement and a separate mechanical fastener.