b CAD model of There Heal wearable device, illustrating the integrated camera for wound monitoring and actuator for drug delivery or stimulation. Initial preclinical results, published in the journal npj Biomedical Innovations, show the device successfully speeds up the healing process. The integration in one device makes it a "closed-loop system"—one of the first of its kind for wound healing, as far as the researchers are aware. "Individual images say little, but over time, continuous imaging lets AI spot trends, wound healing stages, flag issues, and suggest treatments." The AI physician uses the image to diagnose the wound stage and compares that to where the wound should be along a timeline of optimal wound healing.