ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,392, issued on April 14, was assigned to Aesculap AG (Tuttlingen, Germany).

"Medical instrument with consistent smoothness of action" was invented by Sven Barthelmes (Emmingen-Liptingen, Germany), Holger Loesdau (Wurmlingen, Germany), Christian Stark (Tuttlingen, Germany) and Markus Knecht (Penang, Malaysia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A medical instrument includes a first instrument branch having a first bearing portion with a first support surface, and includes a second instrument branch having a second bearing portion with a second support surface. The first support surface bears flat against the second support surface such tha...