ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,665, issued on Nov. 3, was assigned to Megadyne Medical Products Inc. (Draper, Utah).

"Locking mechanism and sliding conductor for extendable shaft" was invented by Darcy W. Greep (Herriman, Utah) and Chad S. Frampton (American Fork, Utah).

According to the abstract* released by the U.S. Patent & Trademark Office: "An instrument includes a body having an interior conduit and a conductor extending within the interior conduit. A shaft extends distally out of the body and is movable between a retracted position and an extended position. A sliding conductor extends within the shaft and a contact portion of the sliding conductor extends between the conductor of the body and an exterior...