US Patent Issued to Medos International Sarl on Oct. 27 for "Bottom loading bone anchor assemblies with drag retaining ring and related methods" (Massachusetts, Rhode Island Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,238, issued on Oct. 27, was assigned to Medos International Sarl (Le Locle, Switzerland).

"Bottom loading bone anchor assemblies with drag retaining ring and related methods" was invented by Ellen Roberts (Mendon, Mass.), Eric Biester (Barrington, R.I.) and Christopher Mickiewicz (Bridgewater, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Bottom-loading bone anchor assemblies and components thereof are disclosed that have a reduced profile and can be utilized with bone screws of various size. Bone anchor assemblies of the present disclosure can include a receiver member, a drag retaining ring, and a shank. The retaining ring and shank can be ...