ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,094, issued on Dec. 9.

"Stent for tips surgery" was invented by Zhida Yang (Beijing), Lixin Zhang (Beijing), Zhijia Shen (Beijing), Huijun Zhao (Beijing), Xin Dou (Beijing), Chuan Wang (Beijing), Rencao Chang (Beijing), Xiaojian Liu (Beijing) and Yuxin Zhang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a stent for a TIPS surgery, including a first stent body and a second stent body. During use, the first stent body sleeves the second stent body, to control a self-expansion range of the second stent body. The first stent body includes first connectors, intermediate connectors, and second connectors. The sec...