generated by electro-active actuators, e.g. using electro-active polymers or piezoelectric elements

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 positive displacement blood pumps > the force acting on the blood contacting member being mechanical > generated by electro-active actuators, e.g. using electro-active polymers or piezoelectric elements