Study of a Prototype Software to Help Surgical Patients Manage Their Pain Medication

Inclusion criteria: * Male or Female 18 years or older (no upper age limit) * Operated within a surgical department of of the Hautepierre University Hospitals of Strasbourg * Patient understanding and reading French * Subject neurosensorially able of interacting with a tactile electronical interface * Subject able to understand research objectives, risks and provide dated and signed informed consent * Subject covered by a health insurance scheme Exclusion criteria: * Patient with neuropsychiatric or sensory disorders that may interfere with their use of the visual interface * Unable to provide informed information (subject in emergency, difficulty understanding the subject, etc.) * Pregnant or lactating woman (on declaration) * Patient under safeguard of justice, under guardianship, under curatorship