A medical apparatus comprises a machine for treatment of fluids provided withmeans (3) for treating a patientsblood which exhibit a control unit (4) for sending command signals andreceiving information relating to the treatment under wayon the patient. A remote unit (7) is included which enable the remote unit (7)to selectively take control of a predeterminednumber of functions of the medical machine. The control unit (4) of themedical machine is predisposed to selectively inhibit theremote control means (10) from taking or maintaining control of the functionsof the medical machine in consequence of the operatingconfiguration of the machine.
