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Developed as a learning tool for both male catheter simulation and anatomical study, this transparent model allows viewing and practice of the proper insertion, position, and inflation of a balloon catheter. When practicing catheter insertion, you will experience actual resistance and pressure as you would with an actual patient. Inside of bladder is observable. Urine (water) actually flows when catheter is inserted properly. For added realism, external genitalia is made of a special soft material to simulate real tissue. Comes with irrigator, irrigator stand, and case.