Device for preventing and treating overall spasm of upper limbs after brain injury

The invention discloses a device for preventing and treating integral spasm of upper limbs after brain injury, which is provided with: a moving box, wherein universal wheels are arranged at the bottom of the moving box; a connecting rod, wherein one end of the connecting rod is movably connected with the movable cylinder, and a first valve plate is fixed to the other end of the connecting rod; a water inlet pipe, wherein one end of the water inlet pipe is connected with the interior of the liquid storage cavity; a water outlet pipe, wherein the two ends of the water outlet pipe are connected with the other side of the upper arm supporting plate and the moving box respectively; an elbow supporting plate which is arranged between the upper arm supporting plate and the lower arm supporting plate; a belt pulley mechanism, wherein the two ends of the belt pulley mechanism are connected with the movable cylinder and the connecting shaft respectively; and a reciprocating screw rod which movably penetrates through th