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Smart Stitches Send Data As They Heal Wounds

stitchesIn the medicine world, stitches are the epitome of low-tech. You get cut, and just like a seamstress with a pair of ripped trousers, your doctor simply sews you up. But what if stitches did more than closed wounds? What if they could reveal how the healing was coming along?

That’s the promise of the “smart sutures” invented by a team of researchers led by engineers from Tufts University. Starting with thread that ranged from basic cotton to sophisticated synthetic, the researchers embedded electronics, microfluidics, and nano-scale sensors to create high-tech diagnostic sutures. The threads can collect diagnostic data such as tissue temperature, pH and glucose levels, and stress and strain, and even sense if an infection is coming on.

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