10 BLOOD PRESSURE MEASURING APPARATUS; ULTRASONIC MEDICAL DIAGNOSTIC APPARATUS; CARDIAC AND MEDICAL ELECTRODES; HEMODIALYSIS APPARATUS; LASERS FOR MEDICAL USE; MONITORS FOR HEART, PULSE RATE, TEMPERATURE AND RESPIRATION; THERMOMETERS FOR MEDICAL PURPOSES; INSTRUMENT AND APPARATUS FOR MEASURING AND MONITORING EYE MOVEMENTS AND ELECTRIC ACTIVITY IN THE BRAIN; INSTRUMENT AND APPARATUS FOR MONITORING AND ESTIMATING THE WAKEFULNESS OF PERSONS MY MEASURING MOVEMENT, RESPIRATION, PULSE, BLOOD PRESSURE, ELECTROCARDIOGRAPH, HEART RATE, TEMPERATURE, ELECTROENCEPHALOGRAPHY AND EYE MOVEMENT; ALARM AND SURVEILLANCE DEVICES, NAMELY, AMBULATORY RECORDERS FOR REGISTERING AND RECORDING OF BIOLOGICAL SIGNALS COMPRISING AN AMPLIFIER TO WHICH ELECTRODES ATTACHED TO THE PATIENT ARE CONNECTED, DATA CARDS ON WHICH SIGNALS ARE STORED, AN IR EYE FOR TRANSMISSION OF SIGNALS ON-LINE AND MONITORING DIRECTLY ON THE COMPUTER SCREEN, SOFTWARE FOR MONITORING AND ANALYSIS OF BIOLOGICAL DATA SIGNALS, A SENSOR PAD FOR REGISTRATION OF BIOLOGICAL PARAMETERS RELATING TO MOVEMENT AND BREATHING, AND A PULSOXIMETER FOR REGISTERING DATA REGARDING THE PULSE AND THE OXYGEN SUPPLY IN THE BLOOD, ALL SOLD AS A UNIT; ELECTROCARDIOGRAPHY, ELECTROENCEPHALOGRAPHY AND POLYSOMNOGRAPHY RECORDING EQUIPMENT