US Patent Issued to MEDTRUM TECHNOLOGIES on July 28 for "Drug infusion device" (Chinese Inventor)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,216, issued on July 28, was assigned to MEDTRUM TECHNOLOGIES INC. (Shanghai).

"Drug infusion device" was invented by Cuijun Yang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "An enhanced 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, driving the driving wheel to rotate; a power unit, connected with the driving unit, to offer power for the driving unit; a case, for accommodating the reservoir, the driving wheel, the driving unit and the power...