Wirelessly-controlled bandage to heal chronic wounds
By MYBRANDBOOK
UConn School of Dental Medicine, School of Medicine, and School of Engineering have designed a wirelessly-controlled, or "smart," bandage and corresponding smartphone-sized platform that can precisely deliver different medications to the wound with independent dosing.
Dr. Ali Tamayol, associate professor, and researchers from the University of Nebraska-Lincoln and Harvard Medical School have developed this bandage. It is equipped with miniature needles that can be controlled wirelessly—allowing the drugs to be programmed by care providers without even visiting the patient. The research published in the Advanced Functional Materials journal, was first conducted on cells and later on diabetic mice with full thickness skin injury. With this technology, the mice showed signs of complete healing and lack of scar formation—showing the bandages' ability to significantly improve the rate and quality of wound healing in diabetic animals.
The bandage—a wearable device—can deliver medicine with minimal invasiveness. The provider can wirelessly control the release of multiple drugs delivered through the miniature needles. These needles are able to penetrate into deeper layers of the wound bed with minimal pain and inflammation. This method proved to be more effective for wound closure and hair growth as compared to the topical administration of drugs, and is also minimally invasive.
These findings can potentially replace existing wound care systems and significantly reduce the morbidity of chronic wounds—which will change the way diabetic wounds are treated.
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