Mechanical cardiac simulator for use as e.g. teaching aid, has pendulum-mass oscillators excited by motor whose circular vibration is converted into horizontal vibration that is converted into electric vibrations to obtain electrocardiogram

摘要

The simulator has an electric motor with a cam shaft (9) to excite pendulum-mass oscillators (Ms, Ma, Mv) connected by springs. The circular vibration of the motor is converted into horizontal vibration of the masses. Three electromechanical systems (RLC) convert the horizontal vibrations into electric vibrations (Vs(t), Va(t), Vv(t)). An electrocardiogram is produced in histogram from the electric vibrations.