ALEXANDRIA, Va., July 7 -- United States Patent no. 12,672,971, issued on July 7.

"Peripheral vascular stent and preparation method thereof and application thereof" was invented by Xinwu Lu (Suzhou, China), Nie Tang (Suzhou, China), Peng Qiu (Suzhou, China), Kaichuang Ye (Suzhou, China), Jinbao Qin (Suzhou, China), Ruihua Wang (Suzhou, China), Cheng Gao (Suzhou, China) and Peng Xie (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The peripheral vascular stent comprises scaffolding holding units and a membrane, each scaffolding holding units is formed of a closed ring shape wire; the membrane is covered on scaffolding holding units, the flexibility of the membrane is greater than that of the scaf...