Medical devices for measuring and monitoring physiological parameters for use in intensive therapy, emergency, anaesthesia, surgeries, neonatology, paediatrics, cardiology and home therapy, namely, medical device to measure blood pressure, cardiac output, and neurological, cardiovascular and haemodynamic parameters; medical devices for measuring and monitoring physiological parameters for use in intensive therapy, emergency, anaesthesia, surgeries, neonatology, paediatrics, cardiology and home therapy, namely, ultrasound echography, hemodynamic diagnostic imaging, pain monitor, patient stress monitor, heart rate monitor, pulse oximetry, tissue oxygenation monitor, neurological parameters monitor; single use medical devices and apparatus for use in anaesthesia, intensive therapy, pain therapy, emergency, surgery, neonatology, paediatrics and home therapy, namely, intravenous and arterial catheters, intravenous accessories in the nature of extension tubes, stopcocks, ramps of stockcocks, valves, filters, connectors and obturators; single use medical devices and apparatus for use in anaesthesia, intensive therapy, pain therapy, emergency, surgery, neonatology, paediatrics and home therapy, namely, endotracheal tubes, feeding tubes, enteral feeding tubes, suction tubes, vesical tubes, surgical drainage tubes, thoracic drainage tubes, blood transfusion tubes, perfusion tubes, epidural needles and catheters; medical devices for infusion of medicines and solutions, namely, apparatus for infusion and injection devices for administering drugs; medical devices for respiratory physiopathology, namely, respiration monitors, respirators for artificial respiration; apparatus for blood analysis in the nature of display for displaying hemodynamic parameters by semi-invasive or non-invasive way; all excluding medical devices and apparatus in the field of in vitro diagnostic and chemical products