PAINLESS NEEDLE FREE INJECTION Painless Needless insulin injection devices are now available in market. This type of devices uses 0.18mm micro orifice injection ampoule used instead of regular painful needle syringe. This tissue preserving device injects a jet of insulin through the micro orifice to the fatty subcutaneous cell within a fraction of seconds. Insulin spreads homogeneously and effectively in the SC fatty cells. This needle free re-usable insulin injection system can be used with all types of insulin. There is no need to change the required dose of insulin for using in this device . The main advantages of this device is painless and there is no risk of injury. The device can use more than 7000 injections means economical.