Watching her father struggle with diabetes inspired a breakthrough. Brazilian professor Suélia Rodrigues, from the University of Brasília (UnB), created a device that speeds up wound healing and helps prevent amputations—especially in cases of diabetic foot, one of the disease’s most severe complications.
Called “Rapha,” the device is the result of nearly 20 years of research by UnB’s Biomedical Engineering Group, led by Rodrigues alongside researcher Adson Ferreira da Rocha. Hospitals and Brazil’s public health system (SUS) are preparing to introduce it soon.
Approval Nears for Compassion-Driven Innovation
Rapha has already earned safety certification from Inmetro and is awaiting approval from Anvisa, which would enable large-scale production. Rodrigues says her father’s experience showed her how science and compassion could come together to spare others from similar suffering.
Rapha brings together two key innovations: a natural latex dressing, derived from the rubber tree, and a specialized LED light. Working in tandem, they encourage faster tissue regeneration and more effective wound healing.
The latex helps stimulate new blood vessel growth, while the LED light activates skin cells, speeding up recovery. The application is straightforward: after cleaning the wound, a healthcare professional places the latex sheet over it and positions the light device for about 30 minutes.
The dressing stays on for 24 hours and is replaced daily under medical guidance. Overall, the treatment is non-invasive and cost-effective.
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