Painful needles of syringe may be replaced by laser

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Laser is the acronym of light amplification by stimulated emission of radiation and already in use for lasik and cosmetic surgery. Now South Korean scientists are saying that they have developed a method to replace traditional painful needle syringes. It’s  painless and like being hit by puff of air. Erbium-doped yttrium aluminium garnet laser will be used to propel steam of medicine. The width of the medicine jet will be slightly higher than human hair and it will have the speed of 30 meter per second. The jet will be able to put enough pressure to penetrate into the targeted area of the skin. As the medicine jet will have impact on high pressure there is no risk of splash back.

This method is already tested successfully on guinea pigs. The researchers are planning to start its clinical trial.

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Shihab Uddin Ahmed

Shihab Uddin Ahmed is with Dhaka News since 2011. He has long experience of writing on various issues for web medium. He has a master’s degree from Jagannath University. You can read his science articles in English and Bengali on

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