transmitted directly by the motor rotor drive shaft

Full Title

Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance (heart stimulation A61H31/00; heart stimulators for electrotherapy A61N1/362) > Details relating to driving > for non-positive displacement blood pumps > the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable > generated by an electromotor > transmitted directly by the motor rotor drive shaft