1. He tino pono te tauira, me te mea nei i tākutatia ki tētahi tūroro tūturu.
2. I te wā e whakahinuhinuhia ana, ka taea te whakauru i te katitere mimi ki roto i te urethra mā te mīti urethra ki roto hoki i te pūkahukahu.
3, ina uru te ngongo urethral ki roto i te pūkahukahu, ka rere te mimi horihori i te waha o te catheter.
4. Ina whakauruhia te catheter ki roto i te mucosal plica, te wāhanga bulbar o te urethra me te sphincter o roto o te urethra, ka pāngia ngā ākonga e te ahua o te stenosis, pērā i te catheter o te urethra mō te tangata tūturu. Ka taea te whakauru mārire i te catheter mimi mā te whakarerekē i te tūranga o te tinana me te tūranga o te ure. Ētahi atu taputapu: catheter, syringe, pouaka kawe papai hei whiriwhiri.