Non-contact prefilled syringe

The utility model relates to the field of medical apparatuses and provides a non-contact prefilled syringe. The non-contact prefilled syringe comprises a medicine solution bag assembly, a cylinder and a push rod, wherein the medicine solution bag assembly consists of a medicine solution bag and a joint; one end, which is fixedly connected with the medicine solution bag, of the joint is a cylindrical section with a through hole, the other end of the joint is a connecting port, the joint penetrates through a front end opening of the cylinder and is hermetically connected with the cylinder, the medicine solution bag and the cylindrical section are located in the cylinder, and the connecting port is located outside the cylinder; the push rod consists of a push rod and a plug-type push head which can be in close fit with the cylinder, the plug-type push head is located at the rear of the bottom of the medicine solution bag in the cylinder, and the plug-type push head is not in contact with the medicine solution bag. Compared with the prior art, since the plug-type push head of the syringe is not in direct contact with medicine solution, on the premise that the injection can be smoothly completed, the medicine solution is prevented from chemically reacting with silicone oil or other lubricants and producing harmful substances. The non-contact prefilled syringe has a wide application prospect.