US Patent Issued to BEIJING BALANCE MEDICAL TECHNOLOGY, WEST CHINA HOSPITAL OF SICHUAN UNIVERSITY on May 20 for "One-way limiting expandable artificial biological heart valve" (Chinese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,383, issued on May 20, was assigned to BEIJING BALANCE MEDICAL TECHNOLOGY Co. LTD. (Beijing) and WEST CHINA HOSPITAL OF SICHUAN UNIVERSITY (Chengdu, China).

"One-way limiting expandable artificial biological heart valve" was invented by Lei Jin (Beijing), Yingqiang Guo (Chengdu, China), Zhihao Fan (Beijing), Tiegang Liu (Beijing) and Jia Wu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a one-way limiting expandable artificial heart valve which comprises a valve seat (1), a valve leaflet stent (2) and three valve leaflets (3) wherein the valve seat (1) comprises a one-way limiting expandable annular metal sea...