ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,876, issued on July 28, was assigned to Aesculap AG (Tuttlingen, Germany).

"Surgical instrument and tool for a surgical instrument" was invented by Andre Buerk (Villingen-Schwenningen, Germany), Roland-Alois Hoegerle (Tuttlingen, Germany) and Frederick Lenzenhuber (Tuttlingen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surgical instrument, a spacer sleeve for a surgical instrument, and a tool for a surgical instrument. The surgical instrument includes the sleeve, which is designed to receive a part of the tool. The sleeve has signal lines that extend axially along the sleeve. A magnetic memory output device is arranged on the sleeve an...