1. Imodeli ingokoqobo kakhulu, njengokungathi ihlinzwe esigulini sangempela.
2. I-catheter yomchamo ngesikhathi sokugcoba ingafakwa e-urethra nge-meatus ye-urethral kanye nesinyeni.
3, lapho ipayipi le-urethral lingena esinyeni, umchamo wokwenziwa uzophuma emlonyeni we-catheter.
4. Uma kwenziwa i-catheter ye-urethra nge-mucosal plica, ingxenye ye-bulbar ye-urethra kanye ne-sphincter yangaphakathi ye-urethra, abafundi bazozwa umuzwa we-stenosis njenge-catheter ye-urethra kubantu bangempela. I-catheter ye-urinary ingafakwa kahle ngokushintsha isikhundla somzimba kanye nendawo yepenis. Ezinye izesekeli: i-catheter, isirinji, ibhokisi eliphathekayo elinobukhazikhazi.