ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,321, issued on March 24, was assigned to CARDIOSTORY INC. (Lewes, Del.).

"Cardiac diastolic function assessment method, device, and system" was invented by Zhengpei Chu (Shenzhen, China), Dongdong Zhao (Shenzhen, China), Lingjun Zeng (Shenzhen, China), Pengbo Liu (Shenzhen, China) and Shaochun Zhuang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cardiac diastolic function assessment method, for use in the field of cardiac monitoring. The method comprises: noninvasively acquiring vibration information of the thoracic body surface of a subject; preprocessing the vibration information to generate hemodynamics-related information; d...