NEW YORK: A Smart Bandage that can monitor chronic wounds and help them to heal was developed by scientists who say the device could help people with diabetic ulcers, burns and non-healing surgical wounds.
When someone sustains a cut, scrape, burn, or other wound, their bodies often take care of themselves and heal quickly. Yet, diabetes can impede the healing process, causing wounds that won't heal and potentially spread an infection. The California Institute of Technology's (Caltech) smart bandage may make treating these wounds simpler, more efficient, and less expensive.
Wei Gao, an assistant professor of medical engineering at Caltech said, "there are many different types of chronic wounds, especially in diabetic ulcers and burns that endure a long time and present significant complications for the patient."There is a need for technologies that can speed up rehabilitation.
The smart bandages are created from a flexible and elastic polymer with embedded electronics and medication, unlike a normal bandage, which may just be formed of layers of absorbent material. The bandage may wirelessly transfer the information gathered from the wound to a nearby computer, tablet, or smartphone for the patient or a medical practitioner to review.
The electronics enable the sensor to keep an eye on substances like pH or temperature that may indicate bacterial infection or inflammation in the wound, as well as substances like uric acid or lactate.
To treat the swelling and infection, it can transport an antibiotic or another medication that is kept inside the bandage right to the wound site. It can also apply a low-level electrical field to the wound to stimulate tissue growth resulting in faster healing, the researchers said, in the study described in the journal Science Advances.
In a lab setting, the scientists used animal models to test the bandage. Researchers were able to receive real-time updates regarding the animals' metabolic status and their wounds via the smart bandages, and they also demonstrated their capacity to hasten the healing of chronic, infected wounds like those found in people. The results, according to Gao, are encouraging, and he said that further study would concentrate on advancing bandage technology and putting it to the test on real patients.
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