3. Any specific brands of catheters? There are several companies that manufacturer catheters. Many make several types (size, tip design) and coatings. I do use one specific brand (send me a message if you want to know), but only because I found that it works for me. It might be necessary to try several different types. The designs of various types of catheters (coude, tiemann tip) also vary by manufacturer, so if a "bent tip" is required, it might be necessary to several types.
Perhaps some of these "tips" may help. I hope so.

