ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,221, issued on May 26, was assigned to Beihang University (Beijing) and Peking University Third Hospital (The Third Clinical Medical School Of Peking University) (Beijing).

"Exoskeleton robot for expectoration assistance and control method" was invented by Dangxiao Wang (Beijing), Qinggang Ge (Beijing), Yan Zhang (Beijing), Yuru Zhang (Beijing), Zongyu Wang (Beijing) and Lei Xue (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to an exoskeleton robot for expectoration assistance and a control method. In the exoskeleton robot, a respiratory sensor acquires a respiratory signal of a user to be assisted; a positive ...