ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,383,311, issued on Aug. 12.
"Pivotal bone anchor assembly and method for use thereof" was invented by Roger P. Jackson (Prairie Village, Kan.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pivotal bone anchor assembly is provided that includes a receiver, a shank, and a compression insert. The receiver can have a shank holding lower portion and an upper portion with a channel. The shank can have a head portion and an anchor portion attachable to bone. The compression insert can be positionable with the receiver, and can have an upper portion including at least one notch at least partially formed in an outer surface of the upper portion, and defining a...