Charging the Comfort-in™ needle-free injector from https://www.injectneedlefree.com using the pressure lever. Place the injector in the "injector holder" (in white colour) part of the pressure lever, hold in one hand, insert the pressure stick (in silver colour) into the hole of the injector's head (in blue colour) Now with other hand push the Push bar (made of two parts, blue and white) until you hear a "Click" sound. Now it's loaded and ready. Learn more at https://www.injectneedlefree.com/professionals/instructions-for-dental-injections/
The Comfort-in™ jet injector is a practical solution to “injection time.” This needle-free injection device is stress-free, needle-free and most importantly –vir...