US Patent Issued to Varian Medical Systems on June 16 for "Apparatuses and methods for asymmetric ice formation during cryoablation treatments" (Texas Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,653,598, issued on June 16, was assigned to Varian Medical Systems Inc. (Palo Alto, Calif.).

"Apparatuses and methods for asymmetric ice formation during cryoablation treatments" was invented by Hongxuan Zhang (Austin, Texas) and Ryan Lee Medema (Georgetown, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of performing a cryoablation treatment includes initiating a flow of cryogen to a tip of the cryoprobe and obtaining ice formation data characterizing a shape of ice forming at a target tissue in a patient. The method also includes comparing the ice formation data to a predetermined ice formation profile and energizing a heating portion o...