A portable diagnostic system for monitoring biomedical parameters of the human body, the system comprising: - at least one diagnostic device having one or more sensors applicable to the human body to generate a first series of data associated with at least one biomedical parameter, - an interface means including a display and a first process means, the first process means associated to said interface means configured to process said first series of data to a second series of data suitable to be displayed in said display, a first communication means adapted to transmit said first series of data measured by at least one diagnostic device to said interface means, - a second communication means adapted to transmit said first and/or said second series of data from said interface means to a central process unit, - a second process means associated with said process unit to configured to process said first and/or said second series of data and store them in a database, - characterized in that the portable diagnostic system comprises a confining means designed to support said at least one diagnostic device and said interface means, - an electrical supply circuit provided inside said confining means and adapted to be connected to said at least one diagnostic device and to said interface means for continuously powering the same when being housed in the confining means, - the electrical supply circuit comprises one or more male connectors, respectively female connectors, movably coupled to corresponding female connectors, respectively male connectors, associated to said at least one diagnostic device and to said interface means, - the electrical supply circuit comprises an electrical socket connectable to an external electrical mains and electrically connected to one or more connectors of said electrical supply circuit, wherein said electrical supply circuit comprises transformation means adapted to transform the mains voltage (V IN) present in said socket into a DC voltage (V CC_1; V CC _ 2) corresponding to the nominal voltage of said at least one diagnostic device and/or of said interface means. - at least one diagnostic device having one or more sensors applicable to the human body to generate a first series of data associated with at least one biomedical parameter, - an interface means including a display and a first process means, the first process means associated to said interface means configured to process said first series of data to a second series of data suitable to be displayed in said display, a first communication means adapted to transmit said first series of data measured by at least one diagnostic device to said interface means, - a second communication means adapted to transmit said first and/or said second series of data from said interface means to a central process unit, - a second process means associated with said process unit to configured to process said first and/or said second series of data and store them in a database, - characterized in that the portable diagnostic system comprises a confining means designed to support said at least one diagnostic device and said interface means, - an electrical supply circuit provided inside said confining means and adapted to be connected to said at least one diagnostic device and to said interface means for continuously powering the same when being housed in the confining means, - the electrical supply circuit comprises one or more male connectors, respectively female connectors, movably coupled to corresponding female connectors, respectively male connectors, associated to said at least one diagnostic device and to said interface means, - the electrical supply circuit comprises an electrical socket connectable to an external electrical mains and electrically connected to one or more connectors of said electrical supply circuit, wherein