In the recent years, the concept of quality in healthcare has risen attention, therefore care facilities are evolving their offering looking at the patient experience and safety. In this direction, health services are transmuting into curing processes, considering the patient flow within the hospital as a continuum, where complexity and heterogeneity of care are the main pillars of this new healthcare vision. After the remarkable impacts regarding costs reduction and quality enhancement obtained in manufacturing companies, where lean thinking has been applied, curiosity has attracted healthcare companies as well. This thesis aimed to address the improvement opportunities hidden in the surgical process of a private hospital.