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LEZIONE 1 Technology is the application of scientific knowledge. In health care technology we can find two different categories: • Physical nature: like drugs, devices, equipment, medical and surgical procedures, support systems, organizational and administrative systems; • Purpose or applications: prevention ( intended to protect against disease by preventing it from occurring, reducing the risk of its occurrence or limiting its sequelae ), screening ( intended to detect a disease, abnormality or associated risk factors in asyntomatic people ), diagnosis ( intended to identify the cause and nature or extent of disease in a person with clinical signs or symtoms ), treatment ( designed to improve or maintain health status, avoid further deterioration or provide palliation ), rehabilitation ( intended to restore, maintain or improve a physically or mentally disabled person’s function and well-being ); Health technology encompasses medical devices ranging from simple wooden tongue depressors and assistive devices, to the most sophisticated implants, medical and surgical procedures, and the organizational and supportive systems within which such care is provided. It is used to solve a health problem and improve quality of life. Medical device is used in the prevention, diagnosis or treatment of illness or disease, of for detecting, measuring, restoring, correcting or modifying the structure or function of the body for some health purpose. Medical equipment is used for the specific purposes of diagnosis and treatment of disease or rehabilitation following disease or injury. The risk class of medical device is determined by factors such as: • Level of invasiveness; • Duration of use in the body; • Duration in the body ( transient <60 min, short term 1h-30days, long term > 30…