ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,529, issued on Sept. 1, was assigned to ZHEJIANG UNIVERSITY (Hangzhou, China).

"Device and method for rapid detection of blood viscosity based on ultrasonic guided wave of micro-fine metal tube" was invented by Zhifeng Tang (Hangzhou, China), Junwang Ma (Hangzhou, China), Zhengyang Huang (Hangzhou, China) and Zhiyang Li (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device and a method for rapid detection of blood viscosity based on an ultrasonic guided wave of a micro-fine metal tube are provided. The device comprises a blood sampling unit and a blood sampling electrical circuit that are electrically connected with each other and...