Tip for injecting tattoo dye

A tip for injecting tattoo dye, comprising:

• a pressure chamber configured to accommodate liquid therein;
• a window provided at a first side of the pressure chamber, and configured to allow a laser beam emitted from an outside to pass therethrough and reach the liquid accommodated in the pressure chamber;
• a membrane unit provided at the opposite side of the pressure chamber from the window, and configured to seal the pressure chamber and be transformed by pressure generated as the liquid is irradiated with the laser beam;
• a dye chamber defining a dye loading space which is configured to accommodate tattoo dye, an opened portion of the dye chamber being sealed by the membrane unit;
• a dye supply unit configured to supply the dye to the dye loading space;
• a first valve configured to set whether to allow the dye to flow from the dye supply unit to the dye chamber;
• and
• an inject nozzle provided at one end of the dye chamber, and configured to inject the dye accommodated in the dye loading space outwards,
• wherein the dye chamber comprises a channel formed on an inner wall for fluid communication with the dye supply unit,
• wherein the first valve comprises an opening/closing portion to come into close contact with and seals an opening on a side of the channel,
• wherein the dye chamber is internally formed with a cylindrical space,
• wherein the opening/closing portion is made of an elastic material,
• wherein the first valve has a hollow shape and comprises an outer circumferential surface to come into close contact with an inner surface of the dye chamber, and
• wherein the opening/closing portion is defined between two notches on the first valve.