ALEXANDRIA, Va., April 9 -- United States Patent no. 12,268,631, issued on April 8, was assigned to Advanced Cooling Therapy Inc. (Chicago).

"Devices and methods for protecting esophageal tissue from thermal injury" was invented by Erik Kulstad (Dallas) and Hugh Patrick Caherty (Canton, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Relatively non-invasive devices and methods for heating or cooling a patient's body are disclosed. Devices and methods for treating ischemic conditions by inducing therapeutic hypothermia are disclosed. Devices and methods for inducing therapeutic hypothermia through esophageal cooling are disclosed. Devices and methods for operative temperature management are disclosed." ...