ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,110, issued on Feb. 24, was assigned to Howmedica Osteonics Corp. (Mahwah, N.J.).

"Screw-through acetabular cup system and methods of using the same" was invented by Morgan Kollmeier (Ridgewood, N.J.) and Robert Davignon (Denville, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surgical guide system includes a shell trial having a convex side configured to engage an acetabulum, a concave side forming a cavity therein, and windows extending through the convex and concave sides for viewing bone. The system further includes a liner trial having a convex side configured to be received within the cavity of the concave side of the shell trial, and ...