ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,471,898, issued on Nov. 18, was assigned to Shanghai ConFlow MedTech Co. Ltd. (Shanghai).
"In vivo occlusion and clamping instrument" was invented by Xiumin Chen (Shanghai) and Baicheng Hu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "An in vivo occlusion and clamping instrument includes a disc-shaped portion, a clamping portion and a flow-blocking portion. The disc-shaped portion is elastically deformable so that the disc-shaped portion has a folded posture in which same can be received in a sheath and a free posture in which same can expand into a disc shape. The clamping portion is fixed on one side surface of the disc-shaped portion, wher...