ALEXANDRIA, Va., June 2 -- United States Patent no. 12,642,908, issued on June 2, was assigned to Medcaptain Medical Technology Co. Ltd. (Shenzhen, China).

"Fluid delivery mechanism and nutrient pump" was invented by Pan Hu (Shenzhen, China), Xiang Li (Shenzhen, China) and Zhiwu Deng (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a fluid delivery mechanism and a nutrient pump, the fluid delivery mechanism including a delivery assembly and a connecting base. The delivery assembly includes a flow path and a valve mechanism provided on the flow path, and the delivery assembly is mounted on the connecting base. The fluid delivery mechanism provided by the invention is reli...