ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,717, issued on April 14, was assigned to MEDTRUM TECHNOLOGIES INC. (Shanghai).
"Unilaterally driven drug infusion device" was invented by Cuijun Yang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A unilaterally driven drug infusion device includes: a reservoir, a piston and a screw, the piston connected with the screw and arranged in the reservoir; a driving unit including rotating shaft and driving member, and the driving member including driving end; driving wheel provided with wheel teeth; a linear actuator and a reset unit respectively connected to the driving member; and at least two blocking walls, arranged at one side of the drivi...