There was a game in the early '80s called Microsurgeon where you piloted a robot probe into a body to cure it of diseases. It was armed with an array of tools,

There was a game in the early '80s called Microsurgeon where you piloted a robot probe into a body to cure it of diseases. It was armed with an array of tools, one of which was ultrasound that you could use to destroy cancer. I wonder how long this idea has been around for. https://en.wikipedia.org/wiki/Microsurgeon_(video_game) https://en.wikipedia.org/wiki/Microsurgeon_(video_game)