ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,915, issued on June 17, was assigned to SHANGHAI TENDFO MEDICAL TECHNOLOGIES Co. LTD. (Shanghai).
"Pulmonary artery stent" was invented by Dingguo Huang (Shanghai) and Huan Xia (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a pulmonary artery stent. The pulmonary artery stent includes: a metal stent capable of circumferential expansion; and an isolation membrane wrapping the metal stent to isolate the metal stent from an external environment, and the isolation membrane having a circumferential tensile strength less than an axial tensile strength. The embodiments of the present disclosure can not only expand ...