An Archimedes' screw, also known by the name the Archimedean screw or screw pump, is a machine used for transferring water from a low-lying body of water into irrigation ditches. Water is pumped by turning a screw-shaped surface inside a pipe.
The history of cranial stereotaxy for evacuation of nontraumatic hemorrhage began with techniques for mechanical disruption of the coagulated hemorrhage modeled after Archimedes screw 1).