ElectroNeedles may provide diabetes patients a painless way to check blood glucose levels

August 5, 2005 Two tiny devices recently developed by researchers at the United States National Nuclear Security Administration's Sandia National Laboratories could mean the elimination of blood drawing by diabetes patients to test glucose levels or by medical personnel to determine if someone is having a heart attack. Test results would be instantaneous. The two arrays of micron-sized needles operate similarly by penetrating painlessly into the skin. Arranged in varying numbers on a small patch, the needles can measure molecules inside the body, eliminating the need to withdraw blood from a patient.

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