That so many modifications of this operation have been made since it was originally attempted by Hahn in 1881 is the best evidence of the necessity of correcting prolapse of the kidney by permanent fixation, despite the opposition to operative interference in some quarters by those who favor belts and corsets. It suggests also the possible inefficiency of many of these procedures. Almost every well-known surgeon has some special technic of his own, but few of them have many followers. It is my purpose in submitting here a technic of my own, which I have employed now for nearly three years and have found uniformly successful, to point out some of the causes of failure with this operation and show how it may be made successful and satisfactory.
The inadequacy of belts or corsets or any other form of external support when the kidney has descended below the border of the