10 Medical apparatus and instruments, namely, electrocardiographs, cardiac and brain activity monitors, electrocardiograph recorders, patient monitoring oscilloscopes, medical engaging electrodes, nerve stimulators, measuring instruments adapted to be connected to a human or animal subjects by electrodes or appropriate transducers to record pulse, respiration, blood pressure, electrocardiogram, galvanic skin response, heart rate, electroencephalogram, electromyogram, bloodstream, bloodoxygen, and other recordable data in relation to the subject