But no matter how forbidden, there are still people who are willing to take risks for some reason. There was once a doctor who successfully acquired a two-headed dog with superb medical skills. Unfortunately, the two-headed dog only survived for a few minutes. 1956, there are also head transplantation in China, this time it is a two-headed dog. At that time, the surgeon's name was Zhao Shijie, which was the first case of head transplantation in Chinese history. The operation was successful, and the two-headed dog survived for more than 100 hours.
By 200 1 year, the object of head transplantation has changed from a dog to a monkey. After the operation, an American doctor found that the monkey nose with a new head can be used normally and can eat. Unfortunately, for some reason, the monkey was paralyzed, and finally only lived for a few hours and left this world. The above operation failed because there are too many things I don't understand. For example, immune system rejection, nerve regeneration and so on, even in modern society, these problems are unsolvable, let alone in the past.
Of course, apart from technical reasons, social ethics is also a difficult problem to solve. If the operation is really successful, then the patient's identity is based on his head? Or according to the body? Even now, there is no accurate answer to this question.
However, in 20 13, China's team performed the first head-changing operation on mice. This time, the operation was very successful. After the operation, the mice have no problems and can survive normally. This is no less than a milestone achievement for head transplantation.
As time goes by, by 20 17, an Italian expert will perform the world's first human skull transplant. The cost of this operation is very high, almost 70 million. And it is worth noting that this operation was performed on a corpse. The structure of the human body is extremely complicated, so Italian doctors have made great efforts to make this operation successful. They first frozen the body and skull to be operated on, and then began to connect blood vessels and nerves. The whole process took an unusually long time.
This is the first human head transplantation in the world. The volunteer of this action is Russian programmer spiridonov. Because of illness, spiridonov can't live a normal life and needs surgery. Finally, he reached an agreement with an Italian doctor to make him a volunteer for head replacement surgery. In order to make this operation successful, Italian doctors specially invited our scientist Ren Xiaoping to come and finish the operation together. Finally, they decided to complete this unprecedented operation in a hospital in China. But before the operation, Russian programmers temporarily repented and didn't want to participate in the operation.
Later, spiridonov also explained that he actually thought a lot, and the most important thing was the sequelae. If the operation is really successful, will your thinking change? Can the family accept themselves after the operation? Of course, what worries spiridonov most is that there has never been a successful case of human head transplantation before, which means that the risk of surgical failure is high. I decided to give up the operation for my own life.