IIT Bombay developed a shockwave-based, needle-free syringe for painless drug delivery, reducing skin damage and infection risks. The syringe uses high-energy shockwaves to create a microjet of liquid drug that penetrates the skin without needles. It consists of a driver, driven section, and drug holder, powered by pressurized nitrogen gas. Effective in tests on rats, it showed deeper tissue penetration with minimal skin damage. The device supports over 1,000 uses, needing only nozzle replacements, making it cost-effective. It could accelerate immunization drives like Mission Indradhanush and lower risks of needle-related infections.
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