US Patent Issued to NANJING SAINT MEDICAL TECHNOLOGY on Oct. 6 for "Balloon expandable interventional valve stent having inwardly-narrowed wing-spreading skirt" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,751,819, issued on Oct. 6, was assigned to NANJING SAINT MEDICAL TECHNOLOGY Co. LTD. (Nanjing, China).

"Balloon expandable interventional valve stent having inwardly-narrowed wing-spreading skirt" was invented by Chenming Ma (Nanjing, China) and Jiajia Gu (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A balloon expandable interventional valve stent has a stent main body (1), leaflets and a wing-spreading skirt (2). The wing-spreading skirt (2) is arranged outside an outflow channel (4), and several round holes (8) are evenly arranged at the edge of the wing-spreading skirt (2) close to the outflow channel (4) A pulling suture (5) is conne...