There are electronic tattoos, and then the world’s first transient electronic bandage that speeds up healing by delivering electrotherapy directly to the wound site. Not only does it accelerate healing, but this electronic bandage also monitors the healing process in real-time before harmlessly dissolving into the body when it is no longer needed.
How does this bandage work? Well, injuries temporarily disrupt the body’s normal electrical signals and by applying electrical stimulation, it restores the body’s normal signals, while attracting new cells to migrate to the wound bed. This soft electronic bandage can wrap around the wound site, with one side containing the smart regenerative system and the other, an energy-harvesting coil to power the system as well as an NFC chip to wirelessly transmit the data.
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We are the first to show that molybdenum can be used as a biodegradable electrode for wound healing. After about six months, most of it was gone. And we found there’s very little accumulation in the organs. Nothing out of the ordinary. But the amount of metal we use to make these electrodes is so minimal, we don’t expect it to cause any major issues,” said Guillermo A. Ameer, Professor Biomedical Engineering at Northwestern University.
