ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,631, issued on Oct. 14, was assigned to Handong Jiang (Yueqing, China).
"Electric suction device for emergency airway obstruction removal" was invented by Handong Jiang (Yueqing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are embodiments of an electric suction device for emergency airway obstruction removal and anti-choking, relating to the field of emergency rescue technology. One embodiment comprises a face mask, with an electric suction mechanism set on the surface of the face mask. The electric suction mechanism includes an oral support that is movably installed inside the face mask. The face mask is pressed tightly ag...