Iingxowa zokukhupha umchamo ziqokelela umchamo. Ibhegi iya kuncamathelisa kwicatheter (edla ngokubiza iFoley catheter) engaphakathi kwisinyi.
Abantu banokuba ne-catheter kunye nengxowa yokukhupha umchamo ngenxa yokungaphumeleli komchamo (ukuvuza), ukugcinwa komchamo (ukungakwazi ukuchama), utyando olwenze i-catheter iyimfuneko, okanye enye ingxaki yezempilo.