ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,043, issued on Sept. 9, was assigned to DePuy Synthes Products Inc. (Raynham, Mass.).

"Flexible chain implants and instrumentation" was invented by Curtis Compton (Elkton, Md.), Dennis Chien (Vashon, Wash.), Robert Delurio (Aston, Pa.) and Dominique Messerli (Bristol, R.I.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A flexible chain implant for insertion into an interior volume of a vertebral body. The implant may be implanted in an insertion position for sliding through a cannula and is flexible for packing into the interior volume in an implanted configuration. The implant randomly separates in the implanted configuration. The implant includes...