ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,358, issued on Feb. 17, was assigned to Hangzhou EndoNom Medtech Co. Ltd (Hangzhou, China).

"Stent delivery and release device and stent delivery and release system" was invented by Anwei Li (Hangzhou, China), Lei Wang (Hangzhou, China) and Yongsheng Wang (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a stent delivery and release device and a stent delivery and release system. The stent delivery and release device (20) includes a stent proximal end release assembly provided at a proximal end of the stent delivery and release device, a guide head provided at a distal end of the stent delivery and release device, and a c...