What happens during a robot-assisted surgery?

Robotic surgery has been created in order to overcome the limits of minimally invasive interventions and improve the procedural abilities of the surgeon. However, the robot is not operating by itself. It is controlled by the surgeon conducting the intervention, their hands' motions activating the movements of the instruments which are inserted in the patient’s body through small incisions.

During a robot-assisted surgery, the extremely precise instruments employed mimic the surgeon’s wrist movements, reproducing the procedure on the patient with very high accuracy. This way, the surgeon is able to perform complex maneuvers inside the body, significantly reducing trauma of the tissues. Moreover, the robotic system diminishes the tremor of hands which may appear during the procedure and it also enables a faster switch between instruments which will ultimately reduce the operatory time.

The surgeon supervises the procedure from the console through a binocular display, which is connected to a visualization system provided with a flexible endoscope and image processing equipment. The intraoperative images are tridimensional and have a high resolution.

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Source: https://www.cedars-sinai.edu/Education/Medical-Library/

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