Sauerbruch's wife mentioned that they are married for 12 years. The story takes place in 1948 and they were married in 1939, which would make it 19 years.
After healing Anton Count von Arno on Valley in the movie Ferdinand Sauerbruch was kidnapped in order to avoid the help to the enemies of the revolution, only to be saved by the son of a former patient. While the saving by the son is an actual event, Sauerbruch was not kidnapped. He was arrested because he refused to release him to the court of revolution, along with other, and was almost was verdicted to death, but was saved by the son of a former patient.
Sauerbruch mentioned that his wife has her birthday. An earlier line sets the story into autumn. However Margot Sauerbruch's birthday was on the 14th February.
Prof. Sauerbruch described the students an Aneurysma as an extension of the heart chamber. Actualy an Aneurysm involves the wall of an artery.
When visiting Paul von Hindenburg Sauerbruch said that he was on the way from Berlin to Munich and the train stopped at a small station. Paul von Hindenburg spent the last days of his life in Neudeck, East-Prussia (nowadays Ogrodzieniec in North Poland), which is too far away to be on the way between Berlin and Munich.