How to return to life from long-term cryogenic sleep?

One very interesting thought about the extreme long-term spaceflight and hibernation is that the chemical narcosis would damage the nervous system. Or there is the possibility to use things like hypothermia or freezing the body to near the zero degrees kelvin, where the waking process would be very slow.

During the sleep, the patient or astronaut, how we could call that person would the blood or lots of parts of the blood replaced by using the salt brine or rather PFC- (Poly Fluoride Carbonate), what can circle in the body, while the person is waking up in the artificial coma. The system would guarantee that there is no damage in the blood veins, even the astronaut is ice bite.

If we would connect astronauts to the heart-lung machine, where is the PCF combination, the heart can be stopped until the body is warm enough, and then the heart would put back to operate. That would eliminate or make the possibility of the brain damage a minimum.

The critical moment would be the case when the body is in the border of the frozen and elastic. The part of the cells would be the ice bites, and some have been returned to elastic, which means that this is the critical moment for the brains, and there is the greatest risk for the neural damage.

So if the veins would be filled with highly oxygenize liquid, what stands in liquid form at very low temperature, that means that the tissues would get oxygen, and they would not be damaged. This system would be the heart-lung machine that would recycle the oxygenize in the body. And the heart would start when the body is warm enough.

But it's possible to raise the temperature very slowly like half degrees per week, or the artificial intelligence can search the cells of the astronaut, and adjust the warming process that way, that there are no damages in the cells, while the body is warming. And then the cells would get back elastic, the system would start the stimulus, and then the functions of life would return. In this version, the system must notice, that the cells inside the body would be frozen when the outer cells would turn elastic.

So how we could answer that kind of problem? The solution would be that the oxygenized blood or other liquid, which might have very much oxygen would recycle through the body while the patient is still in the coma, and then the system would guarantee, that there would be no neural damage.

One very interesting question is, what if we would store every single cell of the astronaut separately?

There is one very interesting solution for the long term sleep, and that thing is to use nanotechnology for storing the astronaut. The nanomachines or miniaturized robots would take every single cell of the astronaut in the chamber, where those cells can wait separately, and when the time has come, the nanomachines would put the cells back to the right places. But nanotechnology must be advanced in very big steps if we would make this thing. This would need a very big advantage in that technology. But it's nice that we have imagination. And this is only the thinking about the cryogenics, practical solutions would be somewhere in the future.

Image:

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