ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,979, issued on July 28, was assigned to Graham Medical Technologies LLC (Rochester, Mich.).
"Sinus tarsi implant" was invented by Michael Graham (Macomb, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sinus tarsi implant for the purpose of stabilizing and restoring motion between the talus and calcaneus while allowing normal motion and alignment. In a preferred embodiment, the implant is composed of a titanium alloy that is a combination of a cylindrical portion and an axially connected conical portion. The cylindrical portion has a surface with multiple parallel grooves that are each parallel to the transverse axis of the cylinder. The groo...