ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,402,894, issued on Sept. 2, was assigned to Versah LLC (Jackson, Mich.).
"Universal keyless guided surgery system" was invented by Todd Marshall (Jackson, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A depth stop for a drilling tool to form a hole of predetermined depth. The depth stop includes an interface portion that couples directly to the shank of the osteotome via interlocking spur and groove features. The interface has a cap flange and a tapered skirt. The underside of the cap flange establishes a reference surface for a tubular key that slides onto the tapered skirt and is held there by friction. The skirt is formed with a relief directl...