Ali Tamayol, assistant professor of mechanical and materials engineering, and researchers from Harvard and MIT have designed a smart bandage that could eventually heal chronic wounds or battlefield injuries and be controlled via smartphone.
The bandage consists of electrically conductive fibers coated in a gel that can be individually loaded with infection-fighting antibiotics, tissue-regenerating growth factors, painkillers or other medications.
A microcontroller no larger than a postage stamp, which could be triggered by a smartphone or other wireless device, sends small amounts of voltage through a chosen fiber. That voltage heats the fiber and its hydrogel, releasing whatever cargo it contains.
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