they work like this. developed in 1954-50 , amosov launched his device in 1958, and it was there thathe spare part was this pen, which they turn and now continue the traditions of our founders of ukrainian cardiac surgery, here i found another very interesting information that you arranged field trips to such operating rooms in regions throughout ukraine helped to perform operations on internally displaced persons, especially children. and in vinnytsia, 14 heart operations were performed on children and their lives were saved . military, but the lives of ordinary people, peaceful people, it continues and heart problems have not gone anywhere, we just started talking about them less, but people need operative intervention to save lives, how about it now, yes to begin with, so that we understand that before the war, 70% of those people who died in ukraine and are dying are cardiovascular diseases, they are also neurovascular diseases, that is, if 500,000 die there, somewhere around 300,000 are cardiovascular diseases today in order to combat this, there are 49 cardiosurgical centers in