London, United Kingdom (PressExposure) December 16, 2009 -- Needle free drug delivery systems utilize a liquid drug delivery technology that can be designed to work with existing drug formulations. This method helps cut down development costs and also speeds up the development cycles of such products. These systems have been successful in addressing a range of challenges posed by traditional delivery methods. They include Overcoming patientâs aversion towards needles, Eliminating risk of infections, Painless delivery of drugs, New formulations are being designed to gradually release the injected drug, thereby reducing the frequency of injections and Ease of usage.
Needle free drug delivery systems or needle free injections were developed in the 1930s and were used for small pox, measles and polio vaccinations. These devices used mechanical compression to force the fluid to penetrate into the skin. The early systems used propellant gases to force the solution through the skin; an example is the carbon dioxide gas cartridge. A needle free injection system consists of an injection device, an air cartridge and a disposable needle free syringe. The injection device and the disposable syringe are made up of plastic and the syringe is the only system that comes in contact with the skin.
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