The instrument is composed of two blades (a and b), a spring and a set screw. The blade, a, is a hollow cylinder with perforations at the distal end extending two inches back. This blade when detached at c, can be attached to a percolator at d, and used for irrigating purposes. The blade b, or hood, is of horseshoe shape, fitting neatly over the cylindrical blade, a, and when attached at c acts as a divulser, scissors fashion. The spring and set screw serve to hold the blades together at all times, thus making the instrument easy for introduction.
When designing the instrument, the most important use of it, in mind, was for posterior urethral dilatation and irrigation, in gonorrheal infection of the mucous membrane of that portion of the urethra. With the anatomic structure of the urethra in mind, you will see at a glance that since the