Item from Project Hail Mary by Andy Weir
The robotic arm system that kept three comatose astronauts alive for four years — and succeeded with one out of three, which is technically a passing grade.
The NannyBot is Dr. Lamai's solution to an impossible medical problem: how do you keep three human bodies alive for four years of medically-induced coma with no conscious medical staff? The answer is a robotic system that manages everything — nutrition, hydration, waste, medication, vital signs — with the mechanical reliability that organic nurses can't sustain over years. It is the first thing Grace sees when he wakes up, hovering over him with the calm menace of medical equipment that has been waiting for its patient to regain consciousness. The NannyBot did its job: it kept Grace alive. It did not keep Yao and Ilyukhina alive. The difference was genetic — coma-resistance gene markers that Dr. Lamai identified but couldn't engineer around. The machine worked perfectly; the biology didn't cooperate.
A robotic arm system mounted in the crew quarters of the Hail Mary, positioned to service all three crew beds. Medical-grade precision in its movements — IVs, feeding, waste management, vital monitoring, all automated. The kind of machine that hovers over you with clinical efficiency while you sleep through the years.
Also known as: NannyBot, The NannyBot