The present pilot study evaluates the effectiveness of the MILA Tomcat Catheter in comparison with currently available commercial open-ended catheters.5Commercial catheter (top), MILA Tomcat Catheter (bottom). Radiographic measurements of feline urethral length and anatomical landmarks used to determine the 5cm MILA Tomcat Catheter Length. MILA Catheter Group: Cats treated with the MILA Tomcat Catheter demonstrated a substantial reduction in crystalluria. ConclusionThe MILA Tomcat Catheter represents a promising advancement in the management of feline urethral obstruction. Besançon M. MILA Tomcat Catheter Pilot Study.