Imagine this scenario. A man is lying
unconscious on a table whilst a mechanical spider descends from the
ceiling. Its steel arms enter his abdomen, probing. After a while it
emerges with one arm holding a sealed plastic bag with tissue in it.
Science fiction or horror. Neither, this is fact. Da Vinci robots are in
use in over 1000 locations around the
world. The da Vinci system means the surgeon no longer handles the
instruments directly, but via a computer console. This allows greater
precision, as large hand gestures can be scaled down to small instrument
movements, and any hand tremor is eliminated. The surgeon need not be
in the same hospital, or even on the same continent as the patient.
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