Describe ZEUS

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ZEUS has three interactive robotic arms, one of which holds the endoscope while the other two manipulate the surgical instruments. The surgeon, sitting at a console, controls the arms. The endoscope is controlled by voice commands. The surgeon manipulates the instruments, which resemble surgical tools, while looking at a monitor; the surgeon's manipulations control the robotic arms, which are actually doing the surgery. ZEUS includes a feedback system so that the surgeon "feels" the tissue. The computer-controlled robotic arms also scale down the surgeon's movements, filtering out any hand tremor. This means that a 1-inch movement by the surgeon becomes a one-tenth of an inch movement of the robot's surgical instrument. By eliminating the hand's vibrations, ZEUS makes delicate procedures safer.