... liquid entering pump Model JX820Z AC/DC Aspirator is a novel,portable,AC/DC powered medical suction unit,It is suitable for giving emergency ... available for patient first-aid and health care in patient transport and a place without AC/DC.FeatureMaintenance free oil-less pump ... oil mist.Powered by three kind of power supply AC,external DC,and internal battery,continuous movement time≥1 hr when ...