ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,222, issued on Oct. 14, was assigned to Aesculap AG (Tuttlingen, Germany).
"Surgical instrument" was invented by Franz-Peter Firmbach (Emmingen-Liptingen, Germany) and Svenja Anhorn (Heroldstatt, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A surgical instrument for use in a knee-replacement operation includes a main body configured for releasable fastening on a tibia-cutting block for guiding cutting on a proximal tibia. A first stylus and a second stylus are each mounted on the main body so as to be movable relative to the main body. The first and second styluses each extend along a longitudinal axis between a first end and a second end....