ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,322, issued on July 15, was assigned to Stryker Corp. (Portage, Mich.).
"Surgical handpiece assembly and related accessories" was invented by Trevor J. Lambert (Portage, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A surgical handpiece assembly for operating a bit having resilient arms to engage the handpiece assembly. The handpiece assembly includes a housing assembly. A drive cannula is coupled to the housing assembly and receives torque from a motor. The drive cannula extends along an axis. The drive cannula has an internal surface defining a bore that extends along the axis. The bore receives the bit. The internal surface has a driving p...