ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,977, issued on July 28, was assigned to Howmedica Osteonics Corp. (Mahwah, N.J.).

"Humeral head implant system" was invented by Raymond Michael Greiwe (Edgewood, Ky.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A humeral head implant system includes a head component including a first articulating surface, a second bottom surface extending from the first spherical articulating surface, a first cavity extending a first distance into the head component from the second bottom surface, and a second cavity extending into the head component along a cavity axis. The head component defines a head axis extending through a center of the first articulating su...