• Thandizo ku chipangizo choyamwa, catheter yoyamwa ndi zipangizo zina, zoperekedwa ku zonyamulira zinyalala.
• Catheter yopangidwa ndi PVC yofewa.
• Zolumikizira zokhazikika zimatha kulumikizidwa bwino ndi chipangizo choyamwa, onetsetsani kuti mumamatira.