US Patent Issued on July 29 for "Bone anchor assemblies with interchangeable and different locking threaded closures" (Kansas Inventor)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,369,950, issued on July 29.

"Bone anchor assemblies with interchangeable and different locking threaded closures" was invented by Roger P. Jackson (Prairie Village, Kan.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A receiver assembly for capturing an elongate rod in a receiver of a bone anchor includes the receiver, a first threaded closure, and a second threaded closure. The receiver includes an upper portion that defines a first channel, interior surfaces that have helically wound thread, and a lower pressure insert that can be positioned within the first channel and has upright arms. Each of the first threaded closure and the second threaded closu...