3.2 Design Thinking
To elaborate the prototype, it was used the Design Thinking methodology (Ferreira et al., 2015). The clinical observation and the conviviality with the patients with keloid and in use of compressive therapy contribute to the innovation in the medical practice. Then, the experimentation took place in prototyping and its gradual improvement, defined in other four phases: Discover, Define, Develop and Deliver (Ferreira et al., 2015).