ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,125, issued on Jan. 13, was assigned to Aesculap AG (Tuttlingen, Germany).
"Hand-held shaft-type surgical instrument" was invented by Martin Ruisz (Tuttlingen, Germany) and Bernhard Kupferschmid (Emmingen-Liptingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hand-held sliding shaft-type surgical instrument includes a shaft, in which a longitudinal groove is formed extending over the length of the shaft, and a slide, which is movably mounted in the longitudinal groove. Relative movement of the slide in the longitudinal groove is at least partly guided by at least one connecting piece that constricts the longitudinal groove in the width ...