Mise en place de scénarios pour la conception d'outils en Chirurgie Minimalement Invasive

Nowadays, more and more surgical interventions are carried out in Minimally Invasive Surgery, to make the post-operative constraints less painful for the patient. Actually, new surgical tools or medical products are designed after informal discussions between surgeons and designers. The user requirements documents are the main document used by the mechanical designers to design and improve the product. Medical terms, often used by surgeons and employed to explain their needs, don't allow for an instantaneous understanding by designers. Unfortunately, this relation causes a dysfunction in the definition cycle of the product. Our aim is to work on the design process, its assistance thanks to methods and tools and on its organisation for better understandings and more complementarities between surgeons and designers. We propose on this article a design method already tested in the informatics domain: User Centred Design which takes the user into account more effectively in the process design. We already propose a scenario oriented design method centred on the user and represented as a scenario (Scenario-Based Design). We start in this article by clarifying these concepts before detailing their implementation for the design of a new surgical tool.