e -mosquito

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One of the methods to test blood glucose of the diabetes patients is to push needle on a finger of the concerned persons and suck their blood sample.This technique is painful for the patient.To release from this pain the engineers at the Schulich School of Engineering at the University of Caligary,Canada have invented a device called the Electronic Mosquito or e-mosquito.This device contains four micro needles that 'bite' sequentially at programmed intervals.Th needles are electronically controlled to penetrate the skin deep enough to draw blood from a capillary,but not deep enough to hit a nerve.This means the patients experience little or no pain.