ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,492, issued on April 14, was assigned to SHANGHAI FLOWDYNAMICS MEDICAL TECHNOLOGY Co. LTD. (Shanghai).

"Axially compressible bare stent" was invented by Jian Ding (Shanghai) and Chenying Fan (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "An axially compressible bare stent for an aorta, formed by interleaving at least two wires having different diameters, i.e., a first wire and a second wire, in an overlapping manner. In a natural release state, the bare stent has a metal coverage of at least 30%. The first wire has a diameter of 20-150 micro metre, and the second wire has a diameter of 150-600 micro metre. During the use in the treatment ...