ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,215, issued on June 23, was assigned to Hangzhou EndoNom Medtech Co. Ltd (Hangzhou, China).
"Vascular shunt stent and vascular stent" was invented by Wei Guo (Hangzhou, China), Yongsheng Wang (Hangzhou, China) and Liman Shang (Hangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vascular shunt stent includes a main body tube and at least one branch tube axially inserted into an inner lumen of the main body tube. The main body tube includes a tubular main membrane. At least one branch tube includes a tubular branch membrane, which is accommodated in an inner lumen of the main membrane. A first sealing film is arranged between a distal end...