ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,148, issued on Feb. 10, was assigned to Varian Medical Systems Inc. (Palo Alto, Calif.).

"Ablation probes with guidance indicators to support location and direction guidance systems" was invented by Ryan Medema (Georgetown, Texas), Michael Elkins (Austin, Texas), Eric Hunt (Pflugerville, Texas) and Justin May (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ablation probe includes an elongated needle portion comprising a distal end for positioning at a target tissue and a proximal end positioned away from the distal end and a guidance indicator positioned at the proximal end. The guidance indicator includes one or more markings or in...