OPASCA has specialized in the development of intelligent, sensor-based systems and solutions for environment detection. On the basis of a diverse and flexible platform concept, customer-tailored solutions are realized in the areas of person and object detection for a large range of applications. The technology is used primarily in the field of radiotherapy. The focus lies on the wellbeing of patients and the support of the professional staff. In an interview, we asked the team of OPASCA about the idea, the startup time, and the future prospects.