A medical infusion device (1100), comprising: a housing (1120) having a proximal end, a distal end, and a cavity therein； an opening at the distal end of the housing to receive a medication cartridge (1140) in the cavity, wherein the medication cartridge (1140) comprises a cylindrical housing having an open proximal end and a distal end configured to connect in a manner removable with luer, and a plunger (1170) configured for insertion into the proximal end of the cylindrical housing； and a push rod (1160) configured to displace the plunger (1170) in the cylindrical casing of the medicine cartridge (1140), the push rod (1160) comprising at least one anti-rotation guide (1180) and a threaded bushing (1190)； characterized in that: a threaded shaft configured such that the threaded shaft threadably engages the threaded bushing (1190), thereby inducing linear movement of the push rod (1160) as the threaded shaft rotates； a control gear (1120) mechanically attached to the threaded shaft； a dial (1110) mechanically linked with the control gear (1210)； and a ratchet claw (1240) configured for detachable engagement of control gear (1210) to prevent rotation of control gear (1210) when ratchet claw (1240) is engaged, where ratchet claw (1240) is engaged. ) is detachably coupled by a remote controller (1505) in wireless communication with the medical infusion device (1100).Un dispositivo de infusión médico (1100), que comprende: una carcasa (1120) que tiene un extremo proximal, un extremo distal, y una cavidad en la misma； una abertura en el extremo distal de la carcasa para recibir un cartucho de medicamento (1140) en la cavidad, en donde el cartucho de medicamento (1140) comprende una carcasa cilíndrica que tiene un extremo proximal abierto y un extremo distal configurado para conectar de manera desmontable con luer, y un émbolo (1170) configurado para la inserción en el extremo proximal de la carcasa cilíndrica； y una varilla de empuje (1160) configurada para desplazar el
