ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,121, issued on April 7, was assigned to DEPUY IRELAND UNLtd. COMPANY (Ringaskiddy, Ireland).

"Apparatus, system, and method for determining a position of a hip prosthesis in a bone of a patient" was invented by Matthew R. Dressler (Fort Wayne, Ind.), Chadd Clary (Highlands Ranch, Colo.), Clare K. Fitzpatrick (Boise, Idaho), Casey A. Myers (Denver) and Paul J. Rullkoetter (Lyons, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus, system, and method for determining a position of a hip prosthesis in a bone of a patient includes determining a set of contact points between a femoral head of a femoral prosthesis and a cup liner of an aceta...