Identify the needs and objective of the change in use
Product-usage design: how to innovate with the user?

Let's take the example of a surgeon with an idea for improving an operating procedure, for which he needs a new instrument. Start by understanding and formalizing his needs. To do this, it's important to plan an observation of the current situation, in this case a surgical operation. The observation preparation tool (Tool 1 ) describes in detail the steps involved in preparing such an observation.

Start by describing current usage, formalizing the description in the form of successive tasks. Each task has a specific purpose....