ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,975, issued on July 28.

"Hip joint method" was invented by Peter Forsell (Bouveret, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An implantable medical device for implantation in a hip joint of a human patient is provided. The medical device comprises: at least one artificial hip joint surface adapted to replace at least the surface of at least one of the caput femur and acetabulum. At least one artificial hip joint surface comprises: a positioning hole with at least one opening in said at least one artificial hip joint surface. The hole is adapted to be placed and dimensioned such that the medical device is adapted to be fitted using ...