An apparatus and method for collecting medical data which envisages: acquiring medical data by means of a medical data collecting apparatus (10) storing a copy of said medical data in a remote device (16) separate from the apparatus (10) assessing the methods of use of the apparatus (10) by means of a predefined algorithm comparing the medical data comprised in the last copy stored and the medical data comprised in the penultimate copy stored of the medical data limiting or blocking functioning of the apparatus (10) if the methods of use assessed correspond with predefined prohibited methods of use.