ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,124, issued on Feb. 3, was assigned to Aesculap AG (Tuttlingen, Germany).

"Patella preparation system" was invented by Blanc Steeven (Chaumont, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A patella preparation system and method of using a patella preparation system. The patella preparation system includes a fixing device adapted to fixedly hold a patella, a guiding device linked to the fixing device to be moveable relative to the fixing device, preferably by translatory and/or tilting movements/motions, and an operation device for manually moving the guiding device relative to the fixing device individually and separately in a translatory a...