US Patent Issued on Sept. 29 for "Bone anchor assembly with bone debris sweep ring in receiver sub-assembly" (Kansas, Minnesota, Idaho Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,042, issued on Sept. 29.

"Bone anchor assembly with bone debris sweep ring in receiver sub-assembly" was invented by Roger P. Jackson (Prairie Village, Kan.), James L. Surber (Kansas City, Kan.), Nathaniel D. Ginzton (Boise, Idaho) and Jurell D. Baker (Plymouth, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bone anchor assembly includes a bone anchor with a capture portion having a horizontal capture recess and an anchor portion opposite the capture portion, and a receiver with a central bore having a seat surface proximate a bottom opening and a channel for receiving a rod. The assembly also includes a ring retainer with a center aperture...