South Korean researchers have developed a new laser device that could lead to less painful injections, a new study published in the Optical Society journal Optics Letters reveals. Researchers at Seoul National University say that their device could one day replace needles and sensation felt is similar to being hit by a puff of air. Known as erbium-doped yttrium aluminium garnet, or Er:YAG, the laser works by propelling a stream of medicine with the right ...Saturday, 15 September 2012
Laser Device to Reduce Pain Due to Injections Developed
South Korean researchers have developed a new laser device that could lead to less painful injections, a new study published in the Optical Society journal Optics Letters reveals. Researchers at Seoul National University say that their device could one day replace needles and sensation felt is similar to being hit by a puff of air. Known as erbium-doped yttrium aluminium garnet, or Er:YAG, the laser works by propelling a stream of medicine with the right ...
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