ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,702,751, issued on Aug. 11, was assigned to MEDTRUM TECHNOLOGIES INC. (Shanghai).

"Interlocking drug infusion device and artificial pancreas" was invented by Cuijun Yang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "An interlocking drug infusion device includes a drug reservoir, used for accommodating the drug to be infused, provided with a piston and a screw; a driving wheel, connected with the screw, driving the screw to push the piston forward by rotation; a driving unit, the driving unit moved in a driving direction to drive the driving wheel to rotate; an actuator, electrically connected to the driving unit, used to provide power for the...