ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,256, issued on Nov. 11, was assigned to Northwestern Memorial Healthcare (Chicago).

"Systems and methods for endoscopic manometry" was invented by John Erik Pandolfino (Wilmette, Ill.) and Dustin Allan Carlson (Chicago).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods include techniques associated with endoscopic manometry. An inflatable structure may be inserted within a tissue structure and inflated or deflated to induce a physiological response for a patient. In operation, the physiological response may be induced while a patient is sedated, which may decrease physical and/or psychological pain to the patient."

The patent was fi...