This document discusses human-centered design (HCD) and its importance, especially in the medical device industry. It provides examples of how Achilles, an industrial design firm, uses HCD tools and processes. The key points are: 1) HCD focuses on understanding the experiences of all users to develop the best possible product or service. In healthcare, this is even more critical due to safety and the many stakeholders involved. 2) Achilles brings development teams directly to users through techniques like observations, prototyping, and personas to understand user needs and gain insights. 3) Early and frequent prototyping allows ideas to be tested and improved based on user feedback before large investments are made. 4)