This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.
I was hoping that I would hear of some solution to the problem of the Eustachian tube, but so far, I see that you have the same trouble that we have.
Let us consider the Eustachian tube before surgery, during surgery, and after surgery. If there is a perforation in the drum, it is not difficult to control the Eustachian tube before surgery. You use the old method of Zöllner. You know, perhaps, that Zöllner was very interested in the Eustachian tube before he started tympanoplasty. You also know, perhaps, that he and I were residents together and assistants in the same hospital in Vienna, and for years we lived on the same floor. At that time he learned a lot about the function and anatomy of the tube, and devised the method of measuring the function of the tube by controlled pressure and the manometer.
We know that very