times and return to training those whose injuries would have put an end to their sports career kirill kiknadzears of training sleepless nights victory defeats everything can collapse in a moment. and then surgery comes to the aid of the athlete. university clinical hospital no. 1 is operating on another professional athlete. damaged shoulder doctors repair tendons. here , not an ambulance, all operations are planned in money. there may be up to 15 moments of acute injury. if we take this professional sport, they have, and sports doctors who, to one degree or another, anesthetize with the help of various regenerative medical ones, somehow there let's just say they pour it in and return to build. yes, and then he is already facing. after some time, they built a different problem and even then, as a rule, they turn to us to help surgeons. modern technologies. a 3d printer is working printing a structure on which an endoprosthesis will soon be installed 10 years ago, this seemed like science fiction, now it's the norm. why did we need to print this model on the fact that, m-m , conventional method