Is a drug infusion device is disclosed for automatic syringe.
The main body having the operation portion is disclosed a syringe for drug automatic injection device; While installed at the front of the body, the body and the gripping members for gripping by the pressure cylinder of the syringe is disposed in line; is provided at a front inside of the body, the linear motor is activated by the control panel; And it is projected to the front of the gripping member through the linear motor, and moves back and forth while rotating by the linear motor, the tip end or the forefront in the form of a plunger provided with a piston rod which is coupled with the inner cylinder piston; comprising: a gripping member , it is coupled to the coupling to the front of the body as a medium, and the central portion through the cylinder of the syringe, the distal end, the grip ring provided with additional collet for holding the cylinder of the syringe that is the through; And to tighten the role pressed toward the cylinder portion of the collet syringe flared as threaded to the distal end of the grip ring, the central portion has fastening cap of the cylinder of the syringe through; to further include configured.