US Patent Issued on July 28 for "Atrial septal defect occluder" (Chinese Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,849, issued on July 28.

"Atrial septal defect occluder" was invented by Yuanrui Gu (Beijing), Chenxi Ouyang (Beijing), Yangxue Sun (Beijing), Yunhong Wang (Beijing), Huichai Li (Beijing) and Sishi Liu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "An atrial septal defect occluder, including: a body (100, 510), including two disk surfaces arranged opposite to each other and provided with a through hole (130) along an axial direction of the body (100, 510); and a blocking assembly, including an openable choke film (200) or elastic body (520), the blocking assembly being in contact with the body (100, 510), wherein when the blocking assembly i...