US Patent Issued on Oct. 20 for "Pivotal bone anchor assembly with receiver having horizontal tool engagement grooves and insert alignment structures" (Kansas Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,765,922, issued on Oct. 20.

"Pivotal bone anchor assembly with receiver having horizontal tool engagement grooves and insert alignment structures" 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 includes a receiver comprising a base portion defining a cavity and an upper portion with upright arms extending upward abov the base portion to define an open channel for receiving a rod, with the cavity communicating with the open channel to define a central bore having opposed inwardly-extending insert abutment structures below a guide and advancement structure, and tool eng...