there is disclosed herein a syringe with a protector case which holds a carpule and permits the injection of fluid contained in the carpule into the patient . the syringe is molded of plastic or other suitable material which is sterilizable . the device comprises several parts including a body , protector case , needle , needle cap , plug , plunger and harpoon . the harpoon can be integrally molded on the plunger . the major components of the device preferably are molded from a suitable plastic and may be clear or of a color like or similar to a surgical glove .