In Dangshan County, the Green Cross plasma station to donate plasma safety?

This question is in front of the first time donors is a big problem, in fact, the blood station, the blood donation car with a disposable apparatus, the safety factor of 99.9%, because it is a disposable apparatus, there will not be any blood donation after the infection of viruses and so on, usually infected with viruses are not in the formal institutions to donate whole blood, but only to donate certain parts of the blood industry, after the blood is extracted through the physical separation, and then the remaining part of the transfusion back into the body. The remaining part of the blood is physically separated after the blood is drawn and then transfused back into the body. This kind of blood donation is usually organized by informal institutions, and in order to improve efficiency, the blood of 10-12 people is often mixed and used in one separator at the same time, so what is transfused at the end of the day is also mixed with other people's blood, which is extremely unsafe. As for the use of blood, part of the blood that passes the inspection is used for medical transfusion, part is used as raw material for manufacturing blood products, and part is used for medical research. The unqualified blood is directly destroyed