If the robot arms are only doing what the surgeon moves them to do, why is robotic surgery better and safer than the surgeon doing it himself
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Depends on the surgery, really, and what they’re comparing it to.
Comparisons of robot-assisted surgeries to open surgery- basically, the difference between sliding a robot probe or three in and cutting you open to let the surgeon poke around do tend to favor the robots for most things. Not all, just most.
Comparison of robots and ordinary laparoscopic procedures gets a lot closer- having a surgeon control a robot which wiggles a few probes in isn’t all that much more invasive than having a surgeon or his assistants do the wiggling themselves, and it has the disadvantage of everyone having to learn how to use the robot. There’s a learning curve. You don’t want to be near the front of it.
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