Report suggests laser injection proves less painful than traditional needles

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Intravenous news: The BBC report “A laser device for less painful injections has been developed by South Korean scientists. The system could replace traditional needles, with a jab as painless as being hit with a puff of air. The laser is already used in aesthetic skin treatments. The aim now is to make low-cost injectors for clinical use. A team from Seoul National University in South Korea describe the process in the Optical Society’s journal Optics Letters. The researchers write that the laser, called erbium-doped yttrium aluminium garnet, or Er:YAG, propels a stream of medicine with the right force to almost painlessly enter the skin.”

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