ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,148, issued on March 18, was assigned to Zimmer Inc. (Warsaw, Ind.).
"Tri-roll thread electric surgical impact tool" was invented by Alexander Slocum (Bow, N.H.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are surgical impact tools and methods of use thereof. The surgical impact tools can include a roller assembly, an impact structure, and a tool holder. The roller assembly can be connected to a motor and include a plurality of rollers supported by a respective roller arm. The impact structure can define a spring and an impact cavity including forward and reverse impact surfaces. The impact structure can include a wall comprising...