Diabetes is a group of metabolic diseases characterised by impaired insulin secretion or action affecting about 200 million people around the world. Type 1 diabetes, recognised in approximately 10% of all cases of diabetes, is an autoimmune disease leading to complete destruction of pancreatic beta cells producing insulin. Therefore, insulin must be delivered from outside. The article discusses the progress that has been made on the technology of insulin delivery in recent years, as well as on measuring the glucose level and the glucose level software which is helping the diabetologist to take the right therapeutic decision
