I-IV Catheter ingeyezinto ezisetshenziswayo ezilahlwayo, ngakho-ke imvamisa yokuzisebenzisa ziphezulu kakhulu.
Khonamanjalo, ukuze sanelise izidingo ezihlukene nokusebenzisa imikhuba, siklame izinhlobo eziningi.Singakunikeza imbobo yomjovo, uvemvane, uphiko olufana nepeni noluncane.
Mayelana nobukhulu benaliti, singakunikeza i-14G, 16G, 18G, 20G, 22G, 24G kanye ne-26G.
Ngesikhathi esifanayo, amakhasimende angakhetha imibala ehlukene ukuze ayihlukanise.Sinemibala ethile evamile, enjengobomvana, oluhlaza okwesibhakabhaka, ophuzi njalo njalo.